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Konstantinos(Constantine) Kotropoulos

Professor, School of Informatics

Personal Information

- 2310998225
- 2310998225
costas@csd.auth.gr
http://www.aiia.csd.auth.gr/LAB_PEOPLE/CKotropoulos.php
Scopus ID35563688200
Google Scholar IDc9Dl7qwAAAAJ
Researcher IDB-7928-2010
OrcID ID0000-0001-9939-7930
Γνωστικό Αντικείμενο:
Ψηφιακή Επεξεργασία Σήματος
Επιστημονική Ειδίκευση:
- Θετικές επιστήμες, Μαθηματικά και Πληροφορική
- Επιστήμη της πληροφορικής
- Ηλεκτρονική και αυτοματισμός

Education

Προπτυχιακές Σπουδές

1988	Δίπλωμα Ηλεκτρολόγου Μηχανικού Τμήμα Ηλεκτρολόγων Μηχανικών / Πολυτεχνική Σχολή Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης Greece

Διδακτορικό Δίπλωμα

1993	ΔΔ Τμήμα Ηλεκτρολόγων Μηχανικών & Μηχανικών Υπολογιστών / Πολυτεχνική Σχολή Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης Greece

Course Work

Courses of Winter semester of 2018–19 academic year

	TMĪMA PLĪROFORIKĪS
NCO-05-01	SIGNALS AND SYSTEMS
NDM-07-02	DISCRETE-TIME SPEECH PROCESSING

	PSĪFIAKA MESA - YPOLOGISTIKĪ NOĪMOSYNĪ
DMCI103	Statistical Signal Processing- Time Series
DMCI106	Complex Systems: From the society to the web
DMCI107	Dynamic Systems: Applications ton Signals, robotics and finance

Courses of Spring semester of 2018–19 academic year

	TMĪMA PLĪROFORIKĪS
NDM-06-02	STOCHASTIC SIGNAL PROCESSING

	TECΗNĪTĪ NOĪMOSYNĪ
AI201	Language Technology

	PSĪFIAKA MESA - YPOLOGISTIKĪ NOĪMOSYNĪ
DMCI206	Language Technology

Theses Supervised

Student Theses within AUTh

In progress

Pantraki Evangelia. Ψηφιακή Επεξεργασία Σήματος με εφαρμογές στην Βιομετρία και την Εγκληματολογία
Ntemi Myrsini. Μέθοδοι Πρόβλεψης σε Χρονοσειρές
Tsingalis Ioannis. Επεξεργασία της Πληροφορίας Αξιοποιώντας Φειδωλές και Χαμηλόβαθμες Αναπαραστάσεις
Matthaiou Evgenia. Συνεργατικό φίλτρο Kalman με εφαρμογή σε δυαδικές χρονοσειρές
Mandanas Fotios. Επεξεργασία σήματος σε γραφήματα
Karantaidis Georgios. Αξιολόγηση της Αληθοφάνειας και Αυθεντικότητας της Πληροφορίας

2017–2018

Batsioulas Mannasis. Εξαγωγή Συχνότητας Ηλεκτρικού Δικτύου
Iordanidis Georgios. ΠΙΣΤΟΠΟΙΗΣΗ ΤΗΣ ΑΥΘΕΝΤΙΚΟΤΗΤΑΣ ΑΚΟΥΣΤΙΚΩΝ ΚΑΤΑΓΡΑΦΩΝ ΑΝΙΧΝΕΥΟΝΤΑΣ ΑΣΥΝΕΧΕΙΕΣ ΣΤΗ ΣΥΧΝΟΤΗΤΑ ΤΟΥ ΗΛΕΚΤΡΙΚΟΥ ΔΙΚΤΥΟΥ.
Karantaidis Georgios. Επαλήθευση της αυθεντικότητας πολυμέσων χρησιμοποιώντας τη συχνότητα του ηλεκτρικού δικτύου
Damoulakis Matthaios. Εντοπισμός ηχητικής πηγής
Sarridis Ioannis. Αλγόριθμοι Αναγνώρισης Μεμονωμένων Ψηφίων
Gionanidis Emmanouil. ΠΡΟΒΛΗΜΑΤΑ ΤΑΞΙΝΟΜΗΣΗΣ ΣΕ ΔΥΟ ΚΛΑΣΕΙΣ ΑΝΑΛΥΟΝΤΑΣ ΤΟ ΣΗΜΑ ΤΗΣ ΟΜΙΛΙΑΣ.
Gkagkos Polydefkis. Ανίχνευση της Νόσου Parkinson Αναλύοντας το Σήμα της Ομιλίας
Ntemi Myrsini. Μέθοδοι πρόβλεψης για Χρονο-εξελισσόμενες Δυαδικές Χρονοσειρές

2015–2016

Chasapi Aikaterini. Αλγόριθμοι Βελτιστοποίησης στην Εκμάθηση Υπεργραφημάτων
Pliakos Konstantinos. Αλγόριθμοι επισημείωσης και υπόδειξης σε υπεργραφήματα
Pantraki Evangelia. Πρόβλεψη Ηλικιακού Διαστήματος και Φύλου Χρησιμοποιώντας Ανάλυση Παράλληλων Παραγόντων 2 σε Καταγραφές Ομιλίας και Εικόνες Προσώπου

2014–2015

Mandanas Fotios. ΕΥΡΩΣΤΗ ΠΟΛΥΔΙΑΣΤΑΤΗ ΚΛΙΜΑΚΩΣΗ ΧΡΗΣΙΜΟΠΟΙΩΝΤΑΣ ΤΟ ΚΡΙΤΗΡΙΟ ΜΕΓΙΣΤΗΣ ΣΥΣΧΕΝΤΡΟΠΙΑΣ (CORRENTROPY)
Papazoglou Chalikias Anastasios. ΑΝΑΛΥΣΗ ΛΥΡΙΚΟΥ ΚΑΙ ΑΚΟΥΣΤΙΚΟΥ ΜΕΛΟΥΣ ΔΗΜΟΤΙΚΩΝ ΤΡΑΓΟΥΔΙΩΝ
Fotidou Evangelia. ΠΡΟΣΑΡΜΟΓΗ ΚΑΙ ΕΚΜΑΘΗΣΗ ΣΕ ΠΟΛΥΠΛΟΚΑ ΔΙΚΤΥΑ
Krokos Angelos. ΦΑΣΜΑΤΙΚΗ ΟΜΑΔΟΠΟΙΗΣΗ ΕΙΚΟΝΩΝ ΤΟΥΡΙΣΤΙΚΟΥ ΠΕΡΙΕΧΟΜΕΝΟΥ
Paschali Magdalini. ΥΠΟΛΟΓΙΣΜΟΣ ΑΠΟΣΤΑΣΕΩΝ ΜΕΤΑΞΥ ΕΙΚΟΝΟΣΕΙΡΩΝ ΜΕ ΧΡΗΣΗ ΔΥΝΑΜΙΚΗΣ ΧΡΟΝΙΚΗΣ ΚΛΙΜΑΚΩΣΗΣ

2013–2014

Salapasidis Anastasios. ΕΞΟΜΑΛΥΝΣΗ ΘΟΡΥΒΟΥ ΣΕ ΜΟΥΣΙΚΕΣ ΚΑΤΑΓΡΑΦΕΣ
Medentzidou Paschalina. ΑΠΟΚΑΤΑΣΤΑΣΗ ΕΝΘΟΡΥΒΩΝ ΜΟΥΣΙΚΩΝ ΕΓΓΡΑΦΩΝ
Mitro Ioanni. ΑΝΙΧΝΕΥΣΗ ΛΑΝΘΑΝΟΥΣΩΝ ΠΑΡΑΜΕΤΡΩΝ ΣΕ ΣΤΙΧΟΥΣ ΔΗΜΟΤΙΚΩΝ ΤΡΑΓΟΥΔΙΩΝ
Theodoridis Theodoros. ΠΡΟΣΑΡΜΟΓΗ ΚΑΙ ΜΑΘΗΣΗ ΣΕ ΔΙΚΤΥΑ
Panagakis Ioannis. ΨΗΦΙΑΚΗ ΕΠΕΞΕΡΓΑΣΙΑ ΗΧΟΥ ΜΕ ΕΜΦΑΣΗ ΣΤΗ ΜΟΥΣΙΚΗ
Bacharaki Konstantina. ΑΛΓΟΡΙΘΜΟΙ ΦΑΣΜΑΤΙΚΗΣ ΟΜΑΔΟΠΟΙΗΣΗΣ
Samaras Stamatios. ΑΝΑΓΝΩΡΙΣΗ ΤΥΠΟΥ ΚΑΙ ΜΟΝΤΕΛΟΥ ΚΙΝΗΤΟΥ ΤΗΛΕΦΩΝΟΥ ΑΠΟ ΗΧΟΓΡΑΦΗΜΕΝΑ ΣΗΜΑΤΑ ΟΜΙΛΙΑΣ

2012–2013

Menacheilis Antonios. Αναλυση Ακουστικού Σήματος Αναπνοής Αλόγων
Ypsilanti Kyriaki Paraskevi. ΜΠΑΕΖΙΑΝΗ ΕΠΕΞΕΡΓΑΣΙΑ ΣΗΜΑΤΟΣ
Martinidou Glykeria. ΜΕΛΕΤΗ ΤΗΣ ΕΝΤΑΣΗΣ ΤΩΝ ΣΧΕΣΕΩΝ ΣΕ ΚΟΙΝΩΝΙΚΑ ΔΙΚΤΥΑ ΜΟΥΣΙΚΗΣ
Theodoridis Antonios. ΤΕΧΝΙΚΕΣ ΥΠΟΔΕΙΞΗΣ ΠΟΛΥΜΕΣΩΝ ΠΟΥ ΒΑΣΙΖΟΝΤΑΙ ΣΕ ΥΠΕΡΓΡΑΦΗΜΑΤΑ
Giouvanakis Emmanouil. ΣΧΕΔΙΑΣΗ ΚΑΙ ΑΝΑΠΤΥΞΗ ΣΥΣΤΗΜΑΤΟΣ ΔΙΑΧΕΙΡΙΣΗΣ ΔΙΑΔΙΚΤΥΑΚΟΥ ΠΕΡΙΕΧΟΜΕΝΟΥ ΠΑΡΑΔΟΣΙΑΚΗΣ ΜΟΥΣΙΚΗΣ

2011–2012

Giannarou Sofia. ΟΜΑΔΟΠΟΙΗΣΗ ΣΤΙΧΩΝ ΜΟΥΣΙΚΩΝ ΚΟΜΜΑΤΙΩΝ ΜΕ ΧΡΗΣΗ ΤΗς ΜΕΘΟΔΟΥ ΑΣΥΜΜΕΤΡΗΣ ΠΙΘΑΝΟΚΡΑΤΙΚΗΣ ΑΝΑΛΥΣΗΣ ΛΑΝΘΑΝΟΥΣΑΣ ΣΗΜΑΣΙΟΛΟΓΙΑΣ
Xanthopoulos Panagiotis. ΨΗΦΙΑΚΗ ΑΠΟΚΑΤΑΣΤΑΣΗ ΕΝΘΟΡΥΒΩΝ ΜΟΥΣΙΚΩΝ ΗΧΟΓΡΑΦΗΣΕΩΝ
Basiou Nikoletta. ΣΤΑΤΙΣΤΙΚΑ ΜΟΝΤΕΛΑ ΓΙΑ ΓΛΩΣΣΑ, ΟΜΙΛΙΑ ΚΑΙ ΕΙΚΟΝΑ
Spyridakos Panagiotis-Dimitrios. Τεχνικές Δημιουργίας Εξατομικευμένων Συστάσεων Μουσικής

2010–2011

Theodoridis Apostolos. ΑΝΑΠΤΥΞΗ ΤΕΧΝΙΚΩΝ ΕΠΕΞΕΡΓΑΣΙΑΣ ΗΧΟΥ-ΟΜΙΛΙΑΣ ΣΤΟ ΜΑTLAB ΚΑΙ PRAAT
Ntrigkogia Paraskevi. Ψηφιακή Επεξεργασία Ακουστικού Σήματος Αναπνοής Αλόγου.
Psaltis Alexandros. Επαυξητικοί Αλγόριθμοι Πιθανοκρατικής Λανθάνουσας Σημασιολογικής Ανάλυσης.
Krinidou Erasmia. Βέλτιστοι Αλγόριθμοι Ελαχίστων Μέσων Τετραγώνων.

2008–2009

Dimopoulos Michail. ΜΟΡΦΟΚΛΑΣΜΑΤΙΚΕΣ ΤΕΧΝΙΚΕΣ ΜΟΝΤΕΛΟΠΟΙΗΣΗΣ ΚΑΙ ΕΠΕΞΕΡΓΑΣΙΑΣ ΗΧΟΥ
Theologitou Maria. ΑΝΑΓΝΩΡΙΣΗ ΣΥΝΑΙΣΘΗΜΑΤΩΝ ΑΠΟ ΣΥΝΟΜΙΛΙΕΣ ΣΕ ΤΗΛΕΦΩΝΙΚΑ ΚΕΝΤΡΑ
Sgouropoulou Antonia. ΠΡΟΣΑΡΜΟΣΤΙΚΟΙ ΑΛΓΟΡΙΘΜΟΙ ΚΑΤΑΣΤΟΛΗΣ ΗΧΟΥΣ
Georgiadou Nikoletta, Kostopoulou Maria. ΨΗΦΙΑΚΗ ΕΠΕΞΕΡΓΑΣΙΑ ΗΧΟΥ
Psaltis Alexandros. ΓΛΩΣΣΙΚΑ ΜΟΝΤΕΛΑ: ΜΕΘΟΔΟΙ ΕΞΟΜΑΛΥΝΣΗΣ ΚΑΙ ΣΥΝΕΝΩΣΗΣ

2007–2008

Tzimouli Aikaterini. Τροποποιημένος αλγόριθμος ομαδοποίησης ομιλητών για την ανίχνευση διαλόγου σε κινηματογραφικές σειρές αναλύοντας το σήμα ομιλίας.
Albanidīs Geōrgios. ΠΟΛΥΜΕΣΙΚΗ ΕΠΕΞΕΡΓΑΣΙΑ ΟΜΙΛΙΑΣ
Panagakis Ioannis. Αναγνώριση Μουσικού Είδους: Μια βιοεμπνευσμένη πολυγραμμική προσέγγιση.
Moschonas Panagiotis. Ένας Νέος Αλγόριθμος Αναγνώρισης Ομιλητή.

2006–2007

Benetos Emmanouil. Αναγνώριση μουσικού είδους με Τανυστές
Moschou Vasiliki. Ομαδοποίηση ομιλητών για ανίχνευση διαλόγου σε κινηματογραφικές σειρές αναλύοντας το σήμα ομιλίας

2005–2006

Papaiōannou Athanasios. Ομαδοποίηση κειμένων με τεχνικές στατιστικής μοντελοποίησης γλώσσας.

Unknown

Pitelis Nikolaos. ΑΝΙΧΝΕΥΣΗ ΠΑΘΟΛΟΓΙΚΩΝ ΔΙΑΤΑΡΑΧΩΝ ΜΕ ΤΗΝ ΕΠΕΞΕΡΓΑΣΙΑ ΤΟΥ ΣΗΜΑΤΟΣ ΤΗΣ ΟΜΙΛΙΑΣ

Administrative Work

Τμήματος
#	Από	Έως	Θέση Όργανο / Επιτροπή
1	2007	2016	Member, OMEA

Άλλο
#	Από	Έως	Θέση Περιγραφή
6	2014	2015	Αξιολογητής, Εξωτερικός αξιολογητής για προαγωγή στη βαθμίδα του Αναπληρωτή Καθηγητή στο Athens Institute of Tehcnology
1	2011	2012	Πρόεδρος, Ομάδας Εργασίας Αξιολόγησης ειδών στο διαγων. 303/2011 «Προμήθεια εργαστηριακού εξοπλισμού βασικής έρευνας"
2	2011	2012	Μέλος, Σύνταξη και Υποβολή Πρότασης Προγράμματος Επικαιροποίησης Γνώσεων Αποφοίτων «Πληροφορική - Παγκόσμιος Ιστός»
4	2010	2011	Εκλέκτορας, Εκλογή στη Βαθμίδα Ερευνητή Β, Ινστιτούτο Πληροφορικής, Ίδρυμα Τεχνολογίας & Έρευνας
5	2010	2011	Εκλέκτορας, Εκλογή στη Βαθμίδα Ερευνητή Γ', Ινστιτούτο Τηλεματικής και Πληροφορικής, Εθνικό Κέντρο Έρευνας και Τεχνολογικής Ανάπτυξης
3	2009	2010	Μέλος, Σύνταξη Εντύπου Υποβολής Πρότασης από το Τμήμα για την «Προμήθεια εργαστηριακού εξοπλισμού βασικής έρευνας ΑΠΘ»

Research Projects

2018–2018	Συνέδριο: Research Day
2017–2017	Χρηματοδότηση από ΠΔΕ ΥΠΕΠΘ 2017 - ΠΜΣ "Διαδίκτυο και Παγκόσμιος Ιστός" ΑΠΘ
2017–2017	Χρηματοδότηση από ΠΔΕ ΥΠΕΠΘ 2017 - ΠΜΣ "Πληροφορική και Επικοινωνίες" ΑΠΘ
2017–2019	Ψηφιακή Επεξεργασία Σήματος με Εφαρμογές στην Βιομετρία και την Εγκληματολογία
2017–2017	Συνέδριο: "Εκδήλωση αποφοίτων Μεταπτυχιακού Προγράμματος Σπουδών - Εκδήλωση παρουσίασης μεταπτυχιακών προγραμμάτων"
2015–2022	Διαδίκτυο και Παγκόσμιος Ιστός
2015–2022	Διαδίκτυο και Παγκόσμιος Ιστός
2015–2022	Πρόγραμμα Μεταπτυχιακών Σπουδών με τίτλο "Πληροφορική και Επικοινωνίες"
2012–2015	Σύστημα σχεδίασης προηγμένων τουριστικών υπηρεσιών
2006–2009	Πολυμορφική αναγνώριση συναισθηματικής προδιάθεσης πελάτη προηγμένων κέντρων εξυπηρέτησης (call-centers)
2003–2019	Υπηρεσίες για τη σύνδεση προπτυχιακών και μεταπτυχιακών φοιτητών με την αγορά
2002–2007	ΗΡΑΚΛΕΙΤΟΣ: Πολυμεσική επεξεργασία ομιλίας

Connection to Society

Publications

2018

Without Type

Mandanas F, Kotropoulos Konstantinos(Constantine) (2018). M-estimators for robust multidimensional scaling employing ℓ2,1norm regularization. Pattern Recognition. vol.73 p.235-246.

2017

Without Type

Mandanas F, Kotropoulos Konstantinos(Constantine) (2017). Robust Multidimensional Scaling Using a Maximum Correntropy Criterion. IEEE Transactions on Signal Processing. vol.65 no.4 p.919-932.
Pantraki E, Kotropoulos Konstantinos(Constantine), Lanitis A (2017). Age interval and gender prediction using PARAFAC2 and SVMs based on visual and aural features. IET Biometrics. vol.6 no.4 p.290-298.

Without Type

Pantraki E, Kotropoulos Konstantinos(Constantine) (2017). Multi-Way regression for age prediction exploiting speech and face image information. 25th European Signal Processing Conference. Kos, Greece. vol.2017-January p.2196-2200.

2016

Without Type

Fotiadou E, Bassiou N, Kotropoulos Konstantinos(Constantine) (2016). Greek folk music classification using auditory cortical representations. 2016 24th European Signal Processing Conference (EUSIPCO). 24th European Signal Processing Conference (EUSIPCO). Budapest, Hungary. p.1133-1137.
Gavriilidis V, Tefas Anastasios, Kotropoulos Konstantinos(Constantine), Nikolaidis Nikolaos (2016). Enhanced similarities for a music Recommender System. 2016 Digital Media Industry and Academic Forum, DMIAF 2016 - Proceedings. DMIAF 2016, Digital Media Industry and Academic Forum. Santorini, Greece. p.113-116.
Medentzidou P, Kotropoulos Konstantinos(Constantine) (2016). Restoration of missing data in Greek folk music by interpolation techniques. 2016 Digital Media Industry and Academic Forum (DMIAF). DMIAF 2016, Digital Media Industry and Academic Forum. Santorini, Greece. p.113-116.

2015

Without Type

Panagakis Y, Kotropoulos Konstantinos(Constantine), Arce G.R (2015). Music genre classification via joint sparse low-rank representation of audio features. ACM/IEEE Trans. Audio, Speech, and Language Processing. vol.22 no. 12.

2014

Without Type

Bassiou N, Kotropoulos Konstantinos(Constantine) (2014). Online PLSA: Batch updating techniques including out of vocabulary words. IEEE Transactions on Neural Networks and Learning Systems. vol.25 no.11.
Kotropoulos Konstantinos(Constantine) (2014). Source phone identification using sketches of features. IET Biometrics. vol.3 no.2 p. 75-83.
Panagakis Y, Kotropoulos Konstantinos(Constantine) (2014). Elastic net subspace clustering applied to pop/rock music structure analysis. Pattern Recognition Letters. vol.38 no.1 p. 46-53.
Panagakis Yannis, Κοτρόπουλος Κωνσταντίνος (2014). Elastic net subspace clustering applied to pop/rock music structure analysis. Pattern Recognition Letters.

Without Type

Bassiou Nikoletta, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2014). Greek folk music denoising under a symmetric α-stable noise assumption. 10th International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness. 2014 10th International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness (QShine). Rhodes, Greece. IEEE. p.18-23.

Without Type

Κοτρόπουλος Κωνσταντίνος, Εμμανουήλ Γιουβανάκης Ιωάννης Μήτρο (2014). Σήματα και Συστήματα. Thessaloniki, Greece. Aristotle University of Thessaloniki.

2013

Without Type

Panagakis Yannis, Kotropoulos Konstantinos(Constantine) (2013). Music classification by low-rank semantic mappings. EURASIP Journal on Audio, Speech, and Music Processing.

Without Type

Bassiou N, Kotropoulos Konstantinos(Constantine), Koliopoulou E (2013). Symmetric a-stable sparse linear regression for musical audio denoising. 8th International Symposium Image and Signal Processing, and Analysis (ISPA 2013 symposium). Trieste - Italy. p.375-380.
Giouvanakis E, Kotropoulos Konstantinos(Constantine), Theodoridis A, Pitas Ioannis (2013). A game with a purpose for annotating Greek folk music in a web content management system. Proceedings of DSP2013. 18th International Conference on Digital Signal Processing (DSP 2013). Santorini - Greece.
Kotropoulos Konstantinos(Constantine) (2013). Telephone Handset Identification Using Sparse Representations of Spectral Feature Sketches. International Workshop Biometrics and Forensics (IWBF 2013). Lisbon - Portugal.
Theodoridis Antonis, Kotropoulos Konstantinos(Constantine), Panagakis Yannis (2013). Music recommendation using hypergraphs and group sparsity. IEEE International Conference on Acoustics, Speech and Signal Processing. Vancouver. p.56 - 60.

2012

Without Type

Panagakis Y, Kotropoulos C (2012). Telephone Handset Identification by Feature Selection and Sparse Representations. Proceedings 2012 IEEE International Workshop Information Forensics and Security. Tenenerife, Spain.
Panagakis Y, Kotropoulos C (2012). Music Structure Analysis by Subspace Modeling. Proceedings 20th European Signal Processing Conference. Bucharest, Romania. p.1459-1463.
Panagakis Y, Kotropoulos C (2012). Music Structure Analysis by Ridge Regression of Beat-Sychronous Audio Features. Proceedings 13th International Conference Music Information Retrieval. Porto, Portugal.
Panagakis Y, Kotropoulos C (2012). Automatic Telephone Handset Identification by Sparse Representation of Random Spectral Features. Proceedings 14th ACM Workshop on Multimedia Security. Coventry, UK. p.91-95.
Panagakis Y, Kotropoulos C (2012). Automatic Music Tagging by Low-Rank Representation. Proceedings 2012 IEEE International Conference Audio, Speech, and Signal Processing. Kyoto, Japan. p.497-500.

2011

Without Type

Bassiou N, Kotropoulos C (2011). RPLSA: A Novel Updating Scheme for Probabilistic Latent Semantic Analysis. Computer, Speech & Language. vol.25 no.4 p.741-760.
Bassiou N, Kotropoulos C (2011). Long Distance Bigram Language Models Applied to Word Clustering. Pattern Recognition. vol.44 no.1 p.145-158.

Without Type

Panagakis Y, Kotropoulos C, Arce G. R (2011). l1-Graph Based Music Structure Analysis. Proceedings International Symposium Music Information Retrieval (ISMIR’2011). Miami, FL. p.495-500.
Panagakis Y, Kotropoulos C (2011). Automatic Music Tagging via PARAFAC2. Proceedings IEEE International Conference on Audio, Speech & Signal Processing (ICASSP’2011). Prague, Czech Republic. p.481-484.
Panagakis Y, Kotropoulos C (2011). Automatic Music Mood Classification via Low-rank Representation. Proceedings 19th European Signal Processing Conference (EUSIPCO’2011). Barcelona, Spain. p.689-693.

2010

Without Type

Bassiou N, Moschou Vassiliki, Kotropoulos Konstantinos(Constantine) (2010). Speaker Diarization Exploiting the Eigengap Criterion and Cluster Ensembles. IEEE Transactions on Audio, Speech & Language Processing. vol.18 no.8 p.2134-2144.
Benetos E, Kotropoulos C (2010). Non-negative Tensor Factorization Applied to Music Genre Classification. IEEE Transactions on Audio, Speech & Language Processing. vol.18 no.8 p.1955-1967.
Panagakis Yannis, Kotropoulos Konstantinos, Arce Gonzalo R (2010). Non-negative multilinear principal component analysis of auditory temporal modulations for music genre classification. IEEE Transactions on Audio Speech and Language Processing. Published Version. vol.18 no.3 p.576-588.

Without Type

Bassiou N, Kotropoulos C (2010). Word Clustering Using PLSA Enhanced with Long Distance Bigrams. Proceedings 20th International Conference on Pattern Recognition (ICPR’2010). Istanbul. Turkey. p.4226-4229.
Kotropoulos C, Arce G. R, Panagakis Y (2010). Ensemble Discriminant Sparse Projections Applied to Music Genre Classification. Proceedings International Conference on Pattern Recognition (ICPR'2010). Istanbul, Turkey. p.823-825.
Kotti M, Patterno F, Kotropoulos C (2010). Speaker-independent Negative Emotion Recognition. Proceedings 2nd International Workshop on Cognitive Information Processing. Elba Island, Italy. p.417-422.
Panagakis Y, Kotropoulos C, Arce G. R (2010). Sparse Multi-label Linear Embedding within Nonnegative Tensor Factorization Applied to Music Tagging. Proceedings International Conference on Music Information Retrieval (ISMIR’2010). Utrecht, The Netherlands. p.393-398.
Panagakis Y, Kotropoulos C, Arce G. R (2010). Sparse Multi-label Linear Embedding Nonnegative Tensor Factorization for Automatic Music Tagging. Proceedings European Signal Processing Conference (EUSIPCO’2010). Aalborg, Denmark. p.492-496.
Panagakis Y, Kotropoulos C (2010). Music Genre Classification via Topology Preserving Non-negative Tensor Factorization and Sparse Representations. Proceedings IEEE International Conference on Acoustics, Speech & Signal Processing(ICASSP’2010). Dallas, TX. p.249-252.

2009

Without Type

Almpanidis G, Kotti M, Kotropoulos C (2009). Robust Detection of Phone Boundaries Using Model Selection Criteria with Few Observations. IEEE Transactions on Audio, Speech & Language Processing. vol.17 no.2 p.287-298.
Buciu I, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2009). Comparison of ICA Approaches for Facial Expression Recognition. Signal, Image & Video Processing. vol.3 no.4 p.1703-1711.
Kotropoulos C, Arce G. R (2009). Linear Discriminant Classifier with Reject Option for the Detection of Vocal Fold Paralysis and Vocal Fold Edema. EURASIP Advances in Signal Processing. vol.2009.
Ververidis D, Kotropoulos C (2009). Information Loss of the Mahalanobis Distance in High Dimensions: Applications to Feature Selection. IEEE Transactions on Pattern Analysis & Machine Intelligence. vol.31 no.12 p.2275-2281.

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2009). Visual speech processing and recognition. Visual Speech Recognition: Lip Segmentation and Mapping. editors Liew A., Wang S. IGI Publishing. p.261-293.

Without Type

Panagakis Y, Kotropoulos Konstantinos, Arce G.R (2009). Music genre classification using locality preserving non-negative tensor factorization and sparse representations. Proc. 2009 Int. Symposium Music Information Retrieval. 10th International Society for Music Information Retrieval Conference. Kobe, Japan. Published Version. p.249-254.
Panagakis Y, Kotropoulos Konstantinos, Arce G.R (2009). Music genre classification via sparse representations of auditory temporal modulations. Proceeding of the 17th European Signal Processing Conference (EUSIPCO 2009). 17th European Signal Processing Conference (EUSIPCO 2009). Glasgow, Scotland. Published Version. p.1-5.

2008

Without Type

Almpanidis G, Kotropoulos C (2008). Phonemic Segmentation Using the Generalised Gamma Distribution and Small Sample Bayesian Information Criterion. Speech Communication. vol.50 no.1 p.38-55.
Kotti M, Moschou Vassiliki, Kotropoulos Konstantinos(Constantine) (2008). Speaker Segmentation and Clustering. Signal Processing. vol.88 no.5 p.1091-1124.
Kotti M, Benetos E, Kotropoulos C (2008). Computationally Efficient and Robust BIC-based Speaker Segmentation. IEEE Transactions on Audio, Speech & Language Processing. vol.16 no.5 p.920-933.
Kotti Margarita, Ververidis Dimitrios, Evangelopoulos Georgios, Panagakis Ioannis, Kotropoulos Konstantinos, Maragos Petros, Pitas Ioannis (2008). Audio-Assisted Movie Dialogue Detection. IEEE Transactions on Circuits and Systems for Video Technology. Published Version. vol.18 no.11 p.1618 - 1627.
Ververidis D, Kotropoulos C (2008). Gaussian Mixture Modeling by Exploiting the Mahalanobis Distance. IEEE Transactions on Signal Processing. vol.56 no.7 p.2797-2811.
Ververidis D, Kotropoulos C (2008). Fast and Accurate Sequential Floating Forward Feature Selection with the Bayes Classifier Applied to Speech Emotion Recognition. Signal Processing. vol.88 no.12 p.2956-2970.

Without Type

Benetos E, Siatras S, Kotropoulos Konstantinos(Constantine), Nikolaidis Nikolaos, Pitas Ioannis (2008). Movie Analysis with Emphasis to Dialogue and Action Scene Detection. Multimodal Processing and Interaction: Audio, Video, Text. editors Maragos P., Potamianos, A., Gros P. Springer. vol.33 p.157-178.

Without Type

Benetos E, Kotropoulos Konstantinos (2008). A tensor-based approach for automatic music genre classification. Proceedings 16th European Signal Processing Conference (EUCIPCO 2008). 16th European Signal Processing Conference. Lausanne, Switzerland.
Kotti M, Kotropoulos Konstantinos (2008). Gender Classification In Two Emotional Speech Databases. Proceedings International Conference on Pattern Recognition (ICPR’2008). Int. Conf. Pattern Recognition. Florida, U.S.A. Published Version.
Moschonas P, Kotropoulos Konstantinos (2008). Multimodal Speaker Identification based on Text and Speech. Proc. COST 2101 Workshop Biometrics and Identity Management BioID'2008. COST 2101 Workshop Biometrics and Identity Management BioID'2008. Rosklide University, Denmark. Published Version. vol.5372 p.100-106.
Panagakis Y, Benetos E, Kotropoulos Konstantinos (2008). Music genre classification: A multilinear approach. Proc. Int. Symposium Music Information Retrieval. Int. Symposium Music Information Retrieval. Philadelphia, U.S.A. Published Version. p.583-588.
Ververidis D, Kotsia I, Kotropoulos Konstantinos, Pitas Ioannis (2008). Multi-modal emotion-related data collection within a virtual earthquake emulator. Proc. Of 6th Language Resources and Evaluation Conference. 6th Language Resources and Evaluation Conference. Marrakech, Morocco. Published Version.

2007

Without Type

Almpanidis G, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2007). Focused Crawling using Latent Semantic Indexing: an Application for Vertical Search Engines. Information Systems. vol.32 no.6 p.886-908.
Almpanidis G, Kotropoulos Konstantinos, Pitas Ioannis (2007). Combining text and link analysis for focused crawling—An application for vertical search engines. Information Systems. Published Version. vol.32 no.6 p.886-908.
Bassiou N, Kotropoulos C (2007). Color Histogram Equalization. Computer Vision & Image Understanding. vol.107 no.1-2.
Cernekov Zuzana, Kotropoulos Konstantinos, Pitas Ioannis (2007). Video shot boundary detection using singular value decomposition and statistical tests. Journal of Electronic Imaging. Published Version. vol.16 no.4.
Georgakis A, Kotropoulos Konstantinos, Xafopoulos A, Pitas Ioannis (2007). Marginal median SOM for document organization and retrieval. Neural Networks. Published Version. vol.17 no.3 p.365-377.
Kotti Margarita, Benetos Emmanouil, Kotropoulos Konstantinos, Pitas Ioannis (2007). A neural network approach to audio-assisted movie dialogue detection. Neurocomputing. Published Version. vol.71 no.1-3 p.157-166.
Kyperountas Marios, Kotropoulos Konstantinos, Pitas Ioannis (2007). Enhanced eigen-audioframes for audiovisual scene change detection. IEEE Transactions on Multimedia. Published Version. vol.9 no.4 p.785 - 797.
Moschou Vassiliki, Ververidis D, Kotropoulos Konstantinos(Constantine) (2007). Assessment of Self Organizing Map Variants for Clustering with Application to Redistribution of Emotional Speech Patterns. Neurocomputing. vol.71 no.1-3 p.147-156.

Without Type

Almpanidis G, Kotropoulos C (2007). Automatic Phonemic Segmentation Using the Bayesian Information Criterion with Generalized Gamma Priors. Proceedings 15th European Signal Processing Conference (EUSIPCO’2007). Poznan, Poland. p.2055-2059.
Almpanidis G, Kotropoulos Konstantinos (2007). Automatic phonemic segmentation using the Bayesian information criterion with generalised Gamma priors. Proc. of 15th European Signal Processing Conference (EUSIPCO 2007). 15th European Signal Processing Conference (EUSIPCO 2007). Poznan, Poland. Published Version.
Benetos E, Kotti M, Kotropoulos C (2007). Large-scale musical instrument identification. Proceedings 4th Sound and Music Computing Conference (SMC’2007). Lefkada, Greece. p.283-286.
Benetos E, Kotti M, Kotropoulos Konstantinos (2007). Large scale musical instrument identification. Proceedings SMC'07, 4th Sound and Music Computing Conference. 4th Sound and Music Computing Conference. Lefkada, Greece. Published Version.
Kotti M, Benetos E, Kotropoulos Konstantinos (2007). Neural network-based movie dialogue detection. Proc. of 10th Int. Conf. Engineering Applications of Neural Networks (EANN 2007). 10th Int. Conf. Engineering Applications of Neural Networks (EANN 2007). Thessaloniki, Greece. Published Version. p.380-386.
Moschou Vassiliki, Kotti M, Benetos E, Kotropoulos Konstantinos (2007). Systematic comparison of BIC-based speaker segmentation systems. Proceedings of, International Workshop on Multimedia Signal Processing (MMSP-2007). Systematic comparison of BIC-based speaker segmentation systems. Crete, Greece. Published Version. p.66-69.
Sedaaghi M, Kotropoulos C, Ververidis D (2007). Improving Speech Emotion Recognition Using Adaptive Genetic Algorithms. Proceedings 15th European Signal Processing Conference (EUSIPCO’2007). Poznan, Poland. p.2209-2213.
Sedaaghi M, Kotropoulos Konstantinos, Ververidis D (2007). Using adaptive genetic algorithms to improve speech emotion recognition. Proceedings IEEE Multimedia Signal Processing Conference (MMSP 2007). IEEE Workshop Multimedia Signal Processing (MMSP). Crete. Published Version. p.461-464.
Ververidis D, Kotropoulos Konstantinos (2007). Accurate estimate of the cross-validated prediction error variance in Bayes classifiers. Proc. of Machine Learning for Signal Processing (MLSP). Machine Learning for Signal Processing (MLSP). Thessaloniki. Published Version. 2007. p.354-359.

2006

Without Type

Buciu I, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2006). Demonstrating the Stability of Support Vector Machines for Face Detection. Signal Processing. vol.86 no.9 p.2364-2380.
Buciu I, Kotropoulos Konstantinos, Pitas Ioannis (2006). Demonstrating the stability of support vector machines for classification. Signal Processing. Published Version. vol.86 no.9 p.2364-2380.
Ververidis D, Kotropoulos C (2006). Emotional Speech Recognition: Resources, Features, and Methods. Speech Communication. vol.48 no.9 p.1162-1181.

Without Type

Almpanidis G, Kotropoulos Konstantinos (2006). Phoneme segment boundary detection based on the generalized Gamma distribution. Proc. of 2006 Int. Symposium on Industrial Electronics (ISIE 2006). 2006 Int. Symposium on Industrial Electronics (ISIE 2006). Montreal, Canada. Published Version. p.691-695.
Almpanidis G, Kotropoulos Konstantinos (2006). Voice activity detection with generalized Gamma distribution. Proc. of 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006). 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006). Toronto Ontario, Canada. Published Version. p.961-964.
Almpanidis G, Kotropoulos Konstantinos (2006). Voice activity detection using the generalized Gamma distribution. Proc. of 4th Panhellenic Artificial Intelligence Conf. (SETN-06). 4th Panhellenic Artificial Intelligence Conf. Heraklion, Greece. Published Version. p.3-12.
Bassiou N, Kotropoulos Konstantinos (2006). Color histogram equalization using probability smoothing. Proc. of XIV European Signal Processing Conf. (EUSIPCO 2006). XIV European Signal Processing Conf. (EUSIPCO 2006). Florence, Italy. Published Version.
Benetos E, Kotti M, Kotropoulos C (2006). Applying Supervised Classifiers Based on Non-Negative Matrix Factorization to Musical Instrument Classification. Proceedings IEEE International Conference Multimedia and Expo (ICME’2006). Toronto, Canada. p.2105-2108.
Benetos E, Kotropoulos C, Lidy T, Rauber A (2006). Testing Supervised Classifiers based on Non-Negative Matrix Factorization to Musical Instrument Classification. Proceedings 14th European Signal Processing Conference (EUSIPCO’2006). Florence, Italy.
Benetos E, Kotropoulos Konstantinos, Lidy T, Rauber A (2006). Testing supervised classifiers based on non-negative metrix factorization to musical instrument classification. Proc. of European Signal Processing Conf. (EUSIPCO 2006). European Signal Processing Conf. (EUSIPCO 2006). Florence, Italy. Published Version.
Benetos E, Kotti M, Kotropoulos Konstantinos (2006). Applying supervised classifiers based on non-negative metrix factorization to musical instrument classification. Proc. of 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006). 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006). Toronto, Ontario, Canada. Published Version. 2006.
Benetos E, Kotti M, Kotropoulos Konstantinos (2006). Musical instrument classification using non-negative matrix factorization and subset feature selection. Proc. of 2006 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP 2006). 2006 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP 2006). Toulouse, France. Published Version. vol.5 p.221-224.
Benetos E, Kotti M, Kotropoulos Konstantinos (2006). Musical instrument classification using non-negative matrix factorization algorithms. Proc. of IEEE Int. Symposium Circuits & Systems (ISCAS 2006). IEEE Int. Symposium Circuits & Systems (ISCAS 2006). Island of Kos, Greece. Published Version.
Benetos E, Kotti M, Kotropoulos Konstantinos (2006). Application of non-negative matrix factorization to musical instrument classification. Proceedings 2nd International Symposium Communications, Control, and Signal Processing (ISCCSP’2006). Int. Symposium Communications, Control and Signal Processing, (ISCCSP 2006). Marrakech, Morocco. Published Version.
Haindl M, Somol P, Ververidis D, Kotropoulos C (2006). Feature Selection Based on Mutual Correlation. Proceedings 11th Iberoamerican Congress in Pattern Recognition (CIARP’2006). Cancun, Mexico. p.569-577.
Kotropoulos C, Papaioannou A (2006). A Novel-Updating Sheme for Probabilistic Latent Semantic Indexing. Proceedings 4th Panhellenic Conference on Artificial Intelligence (SETN’2006). Heraklion, Greece. p.137-147.
Kotropoulos Konstantinos, Papaioannou A (2006). A novel-updating scheme for probabilistic latent semantic indexing. Proc. of 4th Panhellenic Artificial Intelligence Conf. (SETN-06). 4th Panhellenic Artificial Intelligence Conf. (SETN-06). Heraklion, Greece. Published Version.
Kotropoulos Konstantinos, Moschou Vassiliki (2006). Self organizing maps for reducing the number of clusters by one simplex subspaces. Proc. of 2006 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, (ICASSP 2006). 2006 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, (ICASSP 2006). Toulouse, France. Published Version.
Kotropoulos Konstantinos(Constantine), Moschou Vassiliki (2006). Self-Organizing Maps for Reducing the Number of Clusters by one on Simplex Subspaces. Proceedings IEEE International Conference Acoustics, Speech, and Signal Processing (ICASSP’2006). IEEE International Conference Acoustics, Speech, and Signal Processing (ICASSP’2006). Toulouse, France. vol.5 p.725-728.
Kotti M, Benetos E, Kotropoulos C, Martins L. G. P. M (2006). Speaker Change Detection Algorithms Using Bayesian Information Criterion. Proceedings 2nd Interanational Symposium Communications, Control, and Signal Processing (ISCCS'2006). Marrakech, Morocco.
Kotti M, Kotropoulos Konstantinos, Zolko B, Pitas Ioannis, Moschou V (2006). A framework for dialogue detection in movies. Proc. of Int. Workshop on Multimedia Content Representation, Classification, and Security. Int. Workshop on Multimedia Content Representation, Classification, and Security. Istanbul. Published Version. p.371-378.
Kotti M, Gustavo L, Martins P.M, Benetos E, Cardoso J.S, Kotropoulos Konstantinos (2006). Automatic speaker segmentation using multiple features and distance measures: a comparison of three approaches. Proc. of 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006). 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006). Toronto, Ontario, Canada. Published Version. p.1101-1104.
Kotti M, Benetos E, Kotropoulos Konstantinos, Martins L.G (2006). Speaker Change Detection using BIC: A comparison on two datasets. Proc. of Int. Symposium Communications, Control and Signal Processing, 2006 (ISCCSP 2006). Int. Symposium Communications, Control and Signal Processing, 2006 (ISCCSP 2006). Marrakech, Morocco. Published Version.
Ververidis D, Kotropoulos Konstantinos (2006). Fast Sequential Floating Forward Selection applied to emotional speech features estimated on DES and SUSAS data collections. Proc. of European Signal Processing Conf. (EUSIPCO 2006). European Signal Processing Conf. (EUSIPCO 2006). Florence, Italy. Published Version.
Ziogas E, Kotropoulos Konstantinos (2006). Detection of vocal fold paralysis and edema using linear discriminant classifiers. Proc. of 4th Panhellenic Artificial Intelligence Conf. (SETN-06). 4th Panhellenic Artificial Intelligence Conf. (SETN-06). Heraklion, Greece. Published Version. p.454-464.

2005

Without Type

Albu F, Kotropoulos Konstantinos, Cernekova Z, Pitas Ioannis (2005). New affine projection algorithms based on Gauss-Seidel method. Proc. of 2005 IEEE Int. Symp. Signals, Circuits, and Systems (ISSCS 2005). 2005 IEEE Int. Symp. Signals, Circuits, and Systems (ISSCS 2005). Iasi, Romania. Published Version. p.565-568.
Albu F, Kotropoulos Konstantinos (2005). Coordinate descent iterations in pseudo affine projection algorithm. Proc. of 2005 IEEE Int. Symp. Circuits and Systems. 2005 IEEE Int. Symp. Circuits and Systems. Kobe, Japan. Published Version. p.2283-2286.
Albu F, Kotropoulos Konstantinos (2005). Modified Gauss-Seidel affine projection algorithm for acoustic echo cancellation. Proc. of 2005 IEEE Int. Conf. Acoustics, Speech, and Signal Processing. 2005 IEEE Int. Conf. Acoustics, Speech, and Signal Processing. Pennsylvania. Published Version. vol.3 p.121-124.
Almpanidis G, Kotropoulos Konstantinos (2005). Combined text and link analysis for focused crawling. Proceedings 3rd International Conference Advances in Pattern Recognition (ICAPR’2005). Int. Conf. Advances in Pattern Recognition (ICAPR 2005). Bath, U.K. Published Version. vol.1 p.278-287.
Almpanidis G, Kotropoulos Konstantinos, Pitas Ioannis (2005). Focused crawling using latent semantic indexing: An application for vertical search engines. Proceedings of 2005 European Conference Digital Libraries (ECDL 2005). 9th European Conference Digital Libraries (ECDL’2005). Vienna. Published Version.
Bassiou N, Kotropoulos Konstantinos (2005). Interpolated Distanced Bigram Language Models for Robust Word Clustering. Proc. of IEEE Int. Workshop on Nonlinear Signal and Image Processing (NSIP 2005). IEEE Int. Workshop on Nonlinear Signal and Image Processing (NSIP 2005). Sapporo, Japan. Published Version.
Benetos E, Kotti M, Kotropoulos Konstantinos, Burred J.J, Eisenberg G, Haller M, Sikora T (2005). Comparison of Subspace Analysis-Based and Statistical Model-Based Algorithms for Musical Instrument Classification. Proc. of 2nd Workshop On Immersive Communication And Broadcast Systems (ICOB 2005). 2nd Workshop On Immersive Communication And Broadcast Systems (ICOB 2005). Berlin. Published Version.
Cernekova Z, Kotropoulos Konstantinos(Constantine), Nikolaidis Nikolaos, Pitas Ioannis (2005). Video shot segmentation using fusion of SVD and mutual information features. Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS 2005). IEEE Int. Symposium on Circuits and Systems (ISCAS 2005). Kobe, Japan. Published Version. vol.4 p.3849-3852.
Rotter P, Skulimowski A, Kotropoulos Konstantinos, Pitas Ioannis (2005). Fast shape matching with the Haussdorff distance for pixel-represented objects. Proc. of MIRAGE 2005, INRIA Rocquencourt. MIRAGE 2005, INRIA Rocquencourt. France. Published Version.
Ververidis D, Kotropoulos Konstantinos (2005). Sequential Forward Feature Selection with Low Computational Cost. Proceedings 8th European Signal Processing Conference (EUSIPCO 2005). 8th European Signal Processing Conf. Antalya, Turkey. Published Version. p.1063-1066.
Ververidis D, Kotropoulos Konstantinos (2005). Emotional speech classification using gaussian mixture models and the sequential floating forward selection algorithm. Proc. of 2005 IEEE Int. Conf. on Multimedia and Expo (ICME 2005). 2005 IEEE Int. Conf. on Multimedia and Expo (ICME 2005). Amsterdam. Published Version. p.1500-1503.
Ververidis D, Kotropoulos Konstantinos (2005). Emotional speech classification using Gaussian mixture models. Proc. of 2005 IEEE Int. Symposium Circuits and Systems (ISCAS 2005). 2005 IEEE Int. Symposium Circuits and Systems (ISCAS 2005). Kobe, Japan. Published Version. p.2871-2874.

2004

Without Type

Georgakis A, Kotropoulos Konstantinos(Constantine), Xafopoulos A, Pitas Ioannis (2004). Marginal Median WEBSOM for Information Organization and Retrieval. Neural Networks. vol.17 no.3 p.365-377.
Xafopoulos A, Kotropoulos Konstantinos, Almpanidis G, Pitas Ioannis (2004). Language identification in web documents using discrete HMMs. Pattern Recognition. Published Version. vol.37 no.3 p.583-594.

Without Type

Kyperountas M, Cernekova Z, Kotropoulos Konstantinos(Constantine), Gavrielides M. A, Pitas Ioannis (2004). Scene Change Detection Using AudiovisualCues. Proceedings Norwegian Conference Image Processing and Pattern Recognition (NOBIM’2004). Norwegian Conference Image Processing and Pattern Recognition (NOBIM’2004). Stavanger, Norway.
Kyperountas M, Cernekova Z, Kotropoulos Konstantinos(Constantine), Gavrielides M. A, Pitas Ioannis (2004). Audio PCA in a Novel Multimedia Scheme for Scene Change Detection. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP’2004). IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP’2004). Montreal, Canada. vol.4 p.353-356.
Laftsidis C, Kotropoulos Konstantinos, Pitas Ioannis (2004). MPEG-4 compliant reproduction of face animation created in MAYA. Proc. of 2004 IEEE Int. Conf. Multimedia and Expo (ICME '04). 2004 IEEE Int. Conf. Multimedia and Expo (ICME '04). Taipei, Taiwan. Published Version. p.125-128.
Marinaki M, Kotropoulos Konstantinos, Pitas Ioannis, Maglaveras N (2004). Automatic detection of vocal fold paralysis and edema. Proc. of 8th Int. Conf. Spoken Language Processing (INTERSPEECH 2004). 8th Int. Conf. Spoken Language Processing (INTERSPEECH 2004). Jeju, Korea. Published Version. p.537-540.
Markoulidis A, Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2004). Turning a frontal face verification technique to a system prototype. Proc. of 2nd COST275 Workshop Biometrics on the Internet. 2nd COST275 Workshop Biometrics on the Internet. Spain. Published Version.
Rispoli R, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2004). Towards a New Architecture for Computerized Greek Speech Phonetic Alignment. Proceedings of the 24th Annual Workshop Linguistics. 24th Annual Workshop Linguistics. Thessaloniki, Greece.
Rispoli R, Kotropoulos C, Pitas I (2004). Searching Relevant Syllable Context by Clustering for Alignment in Modern Greek Speech. Proceedings IEEE International Conference Multimedia and Expo (ICME’2004). Taipei, Taiwan. p.1779-1782.
Ververidis D, Kotropoulos Konstantinos (2004). Automatic Speech Classification to five emotional states based on gender information. Proc. of 12th European Signal Processing Conf. (EUSIPCO '04). 12th European Signal Processing Conf. (EUSIPCO '04). Vienna, Austria. Published Version.
Ververidis D, Kotropoulos Konstantinos, Pitas Ioannis (2004). Automatic emotional speech classification. Proceedings IEEE International Conference Acoustics, Speech, and Signal Processing (ICASSP’2004). ICASSP 2004. Montreal, Canada. Published Version. vol.1 p.593-596.

2003

Without Type

Kotropoulos Konstantinos, Pitas Ioannis (2003). Segmentation of ultrasonic images using Support Vector Machines. Pattern Recognition Letters. Published Version. vol.24 no.4-5 p.715-727.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Petropulu A (2003). Ultrasonic Image Processing and Analysis. Pattern Recognition Letters (Special Issue). vol.24 no.4-5 p.633-635.

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). Self-Organizing Maps and Their Applications in Image Processing, Information Organization, and Retrieval. Nonlinear Signal and Image Processing. editors Barner Κ. Ε., Arce G. R. CRC Press. p.387-444.

Without Type

Buciu I, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). ICA and Gabor Representation for Facial Expression Recognition. Proceedings IEEE International Conference Image Processing (ICIP’2003). IEEE International Conference Image Processing (ICIP’2003). Barcelona, Spain. vol.2 p.855-858.
Cernekova Z, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). Video Shot Segmentation using Singular Value Decomposition. Proceedings 4th European Workshop Image Analysis for Multimedia Interactive Services (WIAMIS’2003). London, England. p.181-184.
Cernekova Z, Kotropoulos Konstantinos, Pitas Ioannis (2003). Video Shot Segmentation using Singular Value Decomposition. Proceedings IEEE International Conference Acoustics, Speech, and Signal Processing (ICASP’2003), also in Proceedings IEEE Multimedia and Exp, pp.301-304, Baltimore, MD, 2003). 2003 IEEE Int. Conf. Acoustics, Speech, and Signal Processing. Hong-Kong. Published Version. vol.3 p.181-184.
Georgakis A, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). A Combination of R-Estimates and Wilcoxon Test for Document Organization and Retrieval. Proceedings IEEE-EURASIP Workshop Nonlinear Signal and Image Processing. 2003 IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (the sixth international). Grado, Italy.
Kotropoulos Konstantinos(Constantine), Fazekas A, Pitas Ioannis (2003). Fast Multiscale Mathematical Morphology for Frontal Face Authentication. Proceedings of the IEEE-EURASIP Workshop Nonlinear Signal and Image Processing. IEEE-EURASIP Workshop Nonlinear Signal and Image Processing ( sixth biennial international workshop). Grado, Italy.
Kovasznai G, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). A Novel Universal Language for Configurating Dialogue Systems. Proceedings of the 9th Panhellenic Informatics Conference. 9th Panhellenic Informatics Conference. Thessaloniki, Greece. p.36-45.
Kovasznai G, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). CAML - A Universal Configuration Language for Dialogue Systems. Database and Expert Systems Applications : 14th International Conference on Database and Expert Systems Applications (DEXA’2003). Proceedings. 14th International Conference on Database and Expert Systems Applications (DEXA’2003). Prague, Czech Republic. Vol. 2736 p.896-906.
Kovasznai G, Kotropoulos Konstantinos, Pitas Ioannis (2003). Partly specified priority patterns in natural language parsing within dialog systems. Proceedings 1st International Workshop on Interactive Rich Media Content Production (RichMedia’2003). 1st Int. Workshop RichMedia. Lausanne, Switzerland. Published Version. p.161-168.
Laftsidis C, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2003). MPEG-4 Compliant Information Extraction from an Animated Face in Maya. Proceedings 1st International Workshop on Interactive Rich Media Content Production (RichMedia’2003). 1st International Workshop on Interactive Rich Media Content Production (RichMedia’2003). Lausanne, Switzerland. p.131-137.
Ververidis D, Kotropoulos C (2003). A State-of-the Art Review on Emotional Speech Databases. Proceedings 1st International Workshop on Interactive Rich Media Content Production (RichMedia’2003). Lausanne, Switzerland. p.109-119.
Ververidis D, Kotropoulos Konstantinos (2003). A State of the Art Review on Emotional Speech Databases. Proc. of 1st Richmedia Conf., Laussane. Proc. of 1st Richmedia Conf., Laussane. Switzerland. Published Version.
Ververidis D, Kotropoulos Konstantinos (2003). A review of emotional speech databases. Proc. of 9th Panhellenic Conf. on Informatics (PCI `03). 9th Panhellenic Conf. on Informatics (PCI `03). Thessaloniki, Greece. Published Version.

2002

Without Type

Gordan Michaela, Kotropoulos Konstantinos, Pitas Ioannis (2002). A support vector machine-based dynamic network for visual speech recognition applications. Eurasip Journal on Applied Signal Processing. Published Version. no.11 p.1248-1259.
Kotropoulos Konstantinos, Pappas Michalis, Pitas Ioannis (2002). Sorting networks using Lp mean comparators for signal processing applications. IEEE Transactions on Signal Processing. Published Version. vol.50 no.11 p.2716 - 2729.
Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2002). Face verification using elastic graph matching based on morphological signal decomposition. Signal Processing. Published Version. vol.82 no.6 p.833-851.

Without Type

Buciu I, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2002). Face Detection by Using Independent Component Decomposition. Proceedings 4th Workshop on Dynamic Perception. 4th Workshop on Dynamic Perception. Bochum, Germany. p.247-252.
Buciu I, Kotropoulos Konstantinos, Pitas Ioannis (2002). Face detection by using Independent Component Decomposition. Proceedings on Dynamic Perception. Dynamic Perception. Rochester, N.Y., USA. Published Version.
Buciu I, Kotropoulos Konstantinos, Pitas Ioannis (2002). On the stability of support vector machines for face detection. Proceedings IEEE International Conference Image Processing (ICIP’2002). 2002 IEEE Int. Conf. on Image Processing. N.Y. Published Version. vol.3 p.121-124.
Dugelay J.L, Junqua J.L, Kotropoulos Konstantinos, Kuhn R, Perronnin F, Pitas Ioannis (2002). Recent advances in biometric person authentication. Proceedings IEEE International Conference Acoustics, Speech, and Signal Processing (ICASSP 2002). 2002 Int. Conf. On Acoustics,Speech and Signal Processing. Florida. Published Version. vol.4 p.4060-4063.
Fazekas A, Buciu I, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2002). Support Vector Machines for Face Detection. Proceedings Hungarian Conference Pattern Recognition. Hungarian Conference Pattern Recognition. p.279-291.
Georgakis A, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2002). A SOM Variant Based on the Wilcoxon Test for Document Organization and Retrieval. Artificial Neural Networks — ICANN 2002 : International Conference, Madrid, Spain, August 28–30, 2002. Proceedings. 12th International Conference Artificial Neural Networks (ICANN’2002). Madrid, Spain. p.993-998.
Gordan M, Kotropoulos Konstantinos, Pitas Ioannis (2002). Application of support vector machines classifiers to visual speech recognition. Proceedings IEEE International Conference Image Processing (ICIP 2002). IEEE Int. Conf. on Image Processing. N.Y. Published Version. vol.3 p.129-132.
Gordan M, Kotropoulos Konstantinos, Pitas Ioannis (2002). Visual speech recognition using support vector machines. Proceedings 14th International Conference Digital Signal Processing (DSP 2002). 14th Int. Conf. on Digital Signal Processing. Santorini, Greece. Published Version. vol.2 p.1093-1096.
Gordan M, Kotropoulos Konstantinos, Georgakis A, Pitas Ioannis (2002). A new fuzzy C-means based segmentation strategy. Applications to lip region identification. Proceedings of A&QT-R 2002(THETA 13) 2002 IEEE TTTC Int. Conf. on Automation, Quality and Testing, Robotics. A&QT-R 2002(THETA 13) 2002 IEEE TTTC Int. Conf. on Automation, Quality and Testing, Robotics. Cluj-Napoca, Romania. Published Version.
Gordan M, Kotropoulos Konstantinos, Pitas Ioannis (2002). A Temporal network of support vector machine classifiers for the recognition of visual speech. Methods and Applications of Artificial Intelligence. 2nd Panhellenic Conference on Artificial Intelligence SETN-02. Thessaloniki. Vol. 2308 p. 355-365.
Kotropoulos Konstantinos, Pitas Ioannis (2002). Signal detection using support vector machines in the presence of ultrasonic speckle. Proceedings SPIE 4687, Medical Imaging 2002: Ultrasonic Imaging and Signal Processing. International Conference on Image Processing. N.Y. Published Version. vol.SPIE p.304-315.
Loutas E, Kotropoulos Konstantinos(Constantine), Bassiou N, Pitas Ioannis (2002). Frontal Face Detection Algorithms Based on Support Vector Machines and Maximum Likelihood. Proceedings COST-275 Workshop: the Advent of Biometric on the Internet. COST-275 Workshop: the Advent of Biometric on the Internet. Rome, Italy. p.61-64.
Loutas E, Kotropoulos Konstantinos, Bassiou N, Pitas Ioannis (2002). Frontal face detection algorithms based on support vector machines and maximum likehood. Proc. of COST-275 Workshop: The Advent of Biometric over the Internet. COST-275 Workshop: The Advent of Biometric over the Internet. Rome. Published Version. 2002.
Xafopoulos A, Kotropoulos Konstantinos, Pitas Ioannis (2002). Language identification of web documents using discrete HMMs. Proc. of the 2nd Hellenic Conf. on Artificial Intelligence (SETN '02). 2nd Hellenic Conf. on Artificial Intelligence (SETN '02). Thessaloniki, Greece. Published Version. p.269-280.

2001

Without Type

Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2001). Using support vector machines to enhance the performance of elastic graph matching for frontal face authentication. IEEE Transactions on Pattern Analysis and Machine Intelligence. Published Version. vol.23 no.7 p.735 - 746.

Without Type

Kotropoulos Konstantinos(Constantine) (editor), Pitas Ioannis (editor) (2001). Nonlinear Model-based Image/Video Processing and Analysis. John Wiley and Sons.

Without Type

Bassiou N, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2001). Hierarchical Word Clustering for Relevance Judgements in Information Retrieval. Proceedings 1st Workshop Pattern Recognition in Information Systems (PRIS’2001). 1st Workshop Pattern Recognition in Information Systems (PRIS’2001)In conjunction with ICEIS 2001. Setubal, Portugal. p.139-148.
Bassiou N, Kotropoulos Konstantinos(Constantine), Kosmidis T, Pitas Ioannis (2001). Frontal Face Detection using Support Vector Machines and Back-Propagation Neural Networks. Proceedings of the IEEE International Conference Image Processing (ICIP’2001). IEEE International Conference Image Processing (ICIP’2001). Thessaloniki, Greece. v. 1 p.1026-1029.
Bassiou N, Kotropoulos Konstantinos, Pitas Ioannis (2001). Hierarchical word clustering for relevance judgements. Proc. of Workshop on Pattern Recognition in Information Systems (PRIS'01). Workshop on Pattern Recognition in Information Systems (PRIS'01). Setubal, Portugal. Published Version.
Buciu I, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2001). Combining Support Vector Machines for Accurate Face Detection. Proceedings IEEE International Conference Image Processing (ICIP’2001). IEEE International Conference Image Processing (ICIP’2001). Thessaloniki, Greece. p.1054-1057.
Fazekas A, Kotropoulos Konstantinos(Constantine), Buciu I, Pitas Ioannis (2001). Support Vector Machines on the Space of Walsh functions and their Properties. Proceedings if the 2nd International Symposium on Image and Signal Processing and Analysis (ISPA 2001). 2nd International Symposium on Image and Signal Processing and Analysis (ISPA 2001). Pula, Croatia. p.43-48.
Fazekas A, Kotropoulos Konstantinos(Constantine), Buciu I, Pitas Ioannis (2001). Face Detection by Support Vector Machines in the Walsh Transform Domain. Proceedings of the 8th Panhellenic Conference on Informatics. 8th Panhellenic Conference on Informatics. Nicosia, Cyprus. vol.2 p.156-164.
Georgakis A, Kotropoulos Konstantinos(Constantine), Xafopoulos A, Pitas Ioannis (2001). MM-WEBSOM: a Variant of WEBSOM Based on Order Statistics. Proceedings of the IEEE-EURASIP Workshop Nonlinear Signal and Image Processing. 2001 IEEE-EURASIP Workshop on Nonlinear Signal and Image Proccessing. Baltimore, MD.
Georgakis A, Kotropoulos Konstantinos(Constantine), Xafopoulos A, Pitas Ioannis (2001). Document Organization and Retrieval using Self-Organizing Maps and Statistical Language Modeling. Proceedings 1st Workshop Pattern Recognition in Information Systems (PRIS’2001). 1st Workshop Pattern Recognition in Information Systems (PRIS’2001). Setubal, Portugal. p.149-160.
Georgakis A, Kotropoulos Konstantinos, Bassiou N, Pitas Ioannis (2001). HYPERGEO: A data organization and retrieval system for tourist information. Proc. of 2001 IASTED Int. Conf. Applied Informatics (AI 2001). 2001 IASTED Int. Conf. Applied Informatics (AI 2001). Innsbruck, Austria. Published Version. p.719-724.
Gordan M, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2001). Pseudoautomatic Lip Contour Detection Based on Edge Direction Patterns. Proceedings of the 2nd International Symposium on Image and Signal Processing Applications (ISPA’2001). 2nd International Workshop Image and Signal Processing Applications (ISPA’2001). Pula, Croatia. p.138-143.
Gordan M, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2001). Application of Directional Statistics to Gradient-Based Lip-Contour Extraction for Speechreading. Proceedings of the 8th Panhellenic Conference on Informatics, PCI 2001. 8th Panhellenic Conference on Informatics, PCI 2001. Nicosia, Cyprus. vol.2 p.223-232.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2001). Theoretical Analysis of Lp Mean Comparators. Proceedings of the IEEE-EURASIP Workshop Nonlinear Signal and Image Processing (CD-ROM). IEEE-EURASIP Workshop Nonlinear Signal and Image Processing. Baltimore, MD.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2001). Eigenvalue Distribution of the Correlation Matrix in Ll-Filters. Proceedings of the IEEE-EURASIP Workshop Nonlinear Signal and Image Processing (CD-ROM). IEEE-EURASIP Workshop Nonlinear Signal and Image Processing. Baltimore, MD.
Kotropoulos Konstantinos(Constantine), Bassiou N, Kosmidis T, Pitas Ioannis (2001). Frontal Face Detection using Support Vector Machines and Back-propagation Neural Networks. Proceedings of the 12th Scandinavian Conference Image Analysis (SCIA’2001). 12th Scandinavian Conference Image Analysis (SCIA’2001). Bergen, Norway. p.199-206.
Tsekeridou S, Kotropoulos Konstantinos, Xafopoulos A, Pitas Ioannis (2001). Comparative study of speaker verification techniques based on vector quantization, sphericity models and dynamic time warping. Proc. of European Conf. on Circuit Theory and Design. European Conf. on Circuit Theory and Design. Geneva, Switzerland. Published Version. vol.2 p.13-16.
Γεωργάκης Α, Κοτρόπουλος Κ, Πήτας Ι (2001). Οργάνωση και Ανάκτηση Πληροφοριών Τουριστικού Περιεχομένου με Στατιστικές Τεχνικές Επεξεργασίας Γλώσσας. Πρακτικά 21ης Ετήσιας Συνάντησης του Τομέα Γλωσσολογίας της Φιλοσοφικής Σχολής του Α.Π.Θ. Θεσσαλονίκη, Ελλάδα. p.110-120.
Κοτρόπουλος Κ, Μαυρομματίδου Π, Πήτας Ι (2001). Φθόγγοι και Φωνήματα της Κοινής Νεοελληνικής. Πρακτικά 21ης Ετήσιας Συνάντησης του Τομέα Γλωσσολογίας της Φιλοσοφικής Σχολής του Α.Π.Θ. Θεσσαλονίκη, Ελλάδα. p.315-326.

2000

Without Type

Kotropoulos Konstantinos, Tefas Anastasios, Pitas Ioannis (2000). Morphological elastic graph matching applied to frontal face authentication under well-controlled and real conditions. Pattern Recognition. Published Version. vol.33 no.12 p.1935-1947.
Kotropoulos Konstantinos, Tefas Anastasios, Pitas Ioannis (2000). Frontal face authentication using morphological elastic graph matching. IEEE Transactions on Image Processing. Published Version. vol.9 no.4 p. 555 - 560.
Kotropoulos Konstantinos, Tefas Anastasios, Pitas Ioannis (2000). Frontal face authentication using discriminating grids with morphological feature vectors. IEEE Transactions on Multimedia. Published Version. vol.2 no.1 p.14 - 26.

Without Type

Kotropoulos Konstantinos(Constantine), Pappas M, Pitas Ioannis (2000). Nonlinear Mean Filters and their Applications in Image Filtering and Edge Detection. Nonlinear Image Processing. editors Mitra S., Sicuranza G. Academic Press. p.133-165.

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis (2000). On the Theoretical Properties of Lp Mean Comparators. Tampere, Finland. p.2405-2408.
Matas J, Hamouz M, Johsson K, Kittler J, Li Y, Kotropoulos Konstantinos, Tefas Anastasios, Pitas Ioannis, Tan T, Yan H, Smeraldi F, et al (2000). Comparison of face verification results on the XM2VTS database. Proc. of 2000 Int. Conf. on Pattern Recognition. 2000 Int. Conf. on Pattern Recognition. Spain. Published Version. vol.4 p.858-863.
Politis D, Kotropoulos C (2000). Quantitative Description of Qualitative Phenomena in Vocal Traditional. Proceedings 2nd Symposium on Computer Music. Corfu, Greece. p.79-84.
Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2000). Using Support Vector Machines for Face authentication based on elastic graph matching. Proceedings IEEE International Con-ference Image Processing (ICIP 2000). IEEE Int. Conf. on Image Processing (ICIP'2000). Vancouver, Canada. Published Version. vol.1 p.29-32.
Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2000). Face authentication by using elastic graph matching and Support Vector Machines. Proc. of IEEE Int. Conf. on Acoustics Speech and Signal Processing (ICASSP'2000). IEEE Int. Conf. on Acoustics Speech and Signal Processing (ICASSP'2000). Instanbul, Turkey. Published Version. vol.4 p.2409-2412.
Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2000). Face authentication based on mathematical morphology. Proc. of European Workshop "Frontieres of Mathematical Morphology". European Workshop "Frontieres of Mathematical Morphology. Strasbourg, France. Published Version.

1999

Without Type

Kotropoulos Konstantinos, Pitas Ioannis (1999). Adaptive Multichannel Marginal L-filters. Optical Engineering. Published Version. vol.38 no.4 p.688-704.

Without Type

Kotropoulos Konstantinos(Constantine), Tefas Anastasios, Pitas Ioannis, Fernandez C, Fernandez F (1999). Performance assessment of morphological dynamic link architecture under optimal and real operating conditions. Proceedings of the IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), Antalya, Turkey, June 20-23, 1999. IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing. A. Enis Çetin, Lale Akarun, Aysin Ertüzün, Metin N. Gurcan, Yasemin Yardimci (Eds.). Antalya - Turkey. p.355-359.
Kotropoulos Konstantinos(Constantine), Tefas Anastasios, Pitas Ioannis (1999). Morphological elastic graph matching applied to frontal face authentication under optimal and real conditions. IEEE International Conference onMultimedia Computing and Systems. IEEE International Conference on Multimedia Computing and Systems. Florence - Italy. vol. 2 p. 934 - 938.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1999). Intelligence in modern communication systems. International COST 254 Workshop on Intelligent Communication Technologies and Applications, with Emphasis on Mobile Communications May 5-7, 1999, Neuchâtel, Switzerland: Proceedings. International COST 254 Workshop on Intelligenct Communication Technologies and Applications, with Emphasis on Mobile Communications. Neuchatel - Switzerland. p.1-12.
Richard G, Menguy Y, Guis I, Suaudeau N, Boudy J, Lockwood P, Fernandez C, Fernandez F, Kotropoulos Konstantinos(Constantine), Tefas Anastasios, Pitas Ioannis, et al (1999). Multi Modal Verification for Teleservices and Security Applications(M2VTS). IEEE International Conference on Multimedia Computing and Systems,. IEEE International Conference on Multimedia Computing and Systems (ICMCS). Florence - Italy. vol. 2 p.1061-1063.
Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (1999). Enhancing the performance of elastic graph matching for frontal face authentication by using support vector machines. Proc. of Int. Workshop on support vector machine theory and applications (ACCAI '99). Int. Workshop on support vector machine theory and applications (ACCAI '99). Chania, Greece. Published Version.
Tefas Anastasios, Menguy Y, Kotropoulos Konstantinos, Richard G, Pitas Ioannis, Lockwood P (1999). Compensating for variable recording conditions in frontal face authentication algorithms. Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'99). IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'99). Arizona, USA. Published Version.

1998

Without Type

Kotropoulos Konstantinos, Nikolaidis Nikolaos, Bors A.G, Pitas Ioannis (1998). Robust and adaptive techniques in self-organizing neural networks. International Journal of Computer Mathematics. Published Version. vol.67 no.1 & 2 p.183 - 200.
Tsekeridou S, Kotropoulos Konstantinos, Pitas Ioannis (1998). Adaptive order statistic filters for the removal of noise from corrupted images. Optical Engineering -Bellingham- International Society for Optical Engineering. Published Version. vol.37 no.10 p.2798-2816.

Without Type

Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (1998). Variants of Dynamic Link Architecture based on Mathematical Morphology for Frontal Face Authentication. Proc. of IEEE Conf. on Computer Vision and Pattern Recognition (CVPR'98). IEEE Conf. on Computer Vision and Pattern Recognition (CVPR'98). Santa Barbara, California, USA. Published Version.
Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (1998). Face Verification based on Morphological Shape Decomposition. Proc. of IEEE Third Int. Conf. on Automatic Face and Gesture Recognition (FG'98). IEEE Third Int. Conf. on Automatic Face and Gesture Recognition (FG'98). Nara, Japan. Published Version.
Tsekeridou S, Kotropoulos Konstantinos, Pitas Ioannis (1998). Morphological Signal Adaptive Median Filter for Still Image and Image Sequence Filtering. Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS'98). IEEE Int. Symposium on Circuits and Systems (ISCAS'98). California, USA. Published Version.

1997

Without Type

Kofidis E, Theodoridis S, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1997). Application of Neural Networks and Order Statistic Filters to Speckle Noise Reduction in Remote Sensing Imaging. Proceedings of Concerted Action COMPARES (Connectionist Methods for Pre-Processing and Analysis of Remote Sensing Data). Neurocomputation in Remote Sensing Data Analysis, Concerted Actions (COMPARES). Kanellopoulos, I., Wilkinson, G.G., Roli, F., Austin, J. (Eds.). p.47-56.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1997). Face Authentication based on Morphological Grid Matching. International Conference on Image Processing, 1997. Proceedings. IEEE International Conference on Image Processing (ICIP '97). Santa Barbara, California - USA. vol.1 p. 105 - 108.
Kotropoulos Konstantinos(Constantine), Gabrani M, Pitas Ioannis (1997). Adaptive Multichannel {L}-filters with Structural Constraints. IEEE Workshop on Nonlinear Signal and Image Processing. IEEE Workshop on Nonlinear Signal and Image Processing.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1997). Face Verification based on Morphological Dynamic Link Architecture. Proceedings of the IEEE/EURASIP Workshop on Nonlinear Signal and Image Processing. IEEE Workshop on Nonlinear Signal and Image Processing. Michigan - USA.
Kotropoulos Konstantinos(Constantine), Tefas Anastasios, Pitas Ioannis (1997). Face Authentication based on Morphological Shape Decomposition. Sixth International Conference on Image Processing and Its Applications, 1997. IEEE Conference on Image Processing and its Applications. Dublin - Ireland. vol. 2 p. 794 - 798.
Kotropoulos Konstantinos(Constantine), GabraniM, Pitas Ioannis (1997). Constrained Adaptive Multichannel {L}-filters. 13th International Conference on Digital Signal Processing Proceedings. 13th International Conference on Digital Signal Processing. Santorini - Greece. vol.1 p. 279 - 282.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1997). Rule-based face detection in frontal views. 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 1997). Munich - Germany. vol.4 p. 2537 - 2540.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis, FischerS, Duc B (1997). Face authentication using Morphological Dynamic Link Architecture. Audio- and Video-based Biometric Person Authentication : First International Conference, AVBPA'97 Crans-Montana, Switzerland, March 12–14, 1997 Proceedings. First Conference Audio- and Video- based Biometric Person Authentication. Josef Bigün, Gérard Chollet, Gunilla Borgefors (eds). Crans-Montana - Switzerland.
Nikolaidis Athanasios, Kotropoulos Konstantinos, Pitas Ioannis (1997). Facial feature extraction using Adaptive Hough Transform, template matching and active contour models. Proc. of 13th Int. Conf. on Digital Signal Processing (DSP'97). 13th Int. Conf. on Digital Signal Processing (DSP'97). Santorini, Greece. Published Version.
Pitas Ioannis, Kotropoulos Konstantinos(Constantine), Nikolaidis N, Bors A (1997). Robust and Adaptive Techniques in Self-Organising Neural Networks. Nonlinear Analysis: Theory, Methods & Applications : Proceedings of the 2nd World Congress of Nonlinear Analysts. Second World Congress of Nonlinear Analysts. Athens, Greece. Vol. 30 no. 8 p. 4517-4528.

1996

Without Type

Kofidis E, Theodoridis S, Kotropoulos Konstantinos, Pitas Ioannis (1996). Nonlinear adaptive filters for speckle suppression in ultrasonic images. Signal Processing. Published Version. vol.52 no.3 p.357-372.
Kotropoulos Konstantinos, Pitas Ioannis (1996). Adaptive LMS L-filters for Noise Suppression in Images. IEEE Transactions on Image Processing. Published Version. vol.5 no.12 p.1596 - 1609.
Pitas Ioannis, Kotropoulos Konstantinos, Nikolaidis Nikolaos, Yang R, Gabbouj M (1996). Order statistics learning vector quantizer. IEEE Transactions on Image Processing. Published Version. vol.5 no.6 p.1048 - 1053.

Without Type

Pitas Ioannis, Kotropoulos Konstantinos(Constantine), VenetsanopoulosA.N (1996). Knowledge-based signal/image processing for geophysical interpretation. Control and Dynamic Systems.

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Gabrani M (1996). Multichannel adaptive L-filters in color image processing. International Conference on Image Processing. IEEE International Conference on Image Processing (ICIP 1996). Lausanne - Switzerland. vol.1 p. 989 - 992.
Tsekeridou S, Kotropoulos Konstantinos, Pitas Ioannis (1996). Morphological Signal Adaptive Median Filter for Noise Removal. Proc. of 1996 Int. Conf. on Electronics, Circuits and Systems (ICECS'96). Int. Conf. on Electronics, Circuits and Systems (ICECS'96). Rodos, Greece. Published Version.

1994

Without Type

Kotropoulos Konstantinos, Pitas Ioannis (1994). Multichannel L filters based on marginal data ordering. IEEE Transactions on Signal Processing. Published Version. vol.42 no.10 p.2581 - 2595.
Kotropoulos Konstantinos, Magnisalis X, Pitas Ioannis, Strintzis Michail-Gerasimos (1994). Nonlinear ultrasonic image processing based on signal-adaptive filters and self-organizing neural networks. IEEE Transactions on Image Processing. Published Version. vol.3 no.1 p.65 - 77.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Multichannel L-filters based on marginal data ordering. IEEE Transactions on Signal Processing. vol.42 no.10.

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Adaptive nonlinear filters for digital signal/image processing. Control and Dynamic Systems.

Without Type

Gabrani M, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Cellular adaptive LMS L-filters for noise suppression in still images and image sequences. Proceedings of the IEEE International Conference on Image Processing (ICIP '94), Austin, Texas, U.S.A, 1994. IEEE International Conference on Image Processing. Austin, Texas - U.S.A. p. I-358-I-361.
Kofidis E, Theodoridis S, Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Segmentation-based L-filtering of speckle-noise in ultrasonic images. Proceedings of the SPIE Symposium on Electronic Imaging Science and Technology: Nonlinear Image Processing V, California, U.S.A, vol. 2180, February, 1994. Symposium on Electronic Imaging Science and Technology. California - U.S.A.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Error-analysis of recursive algorithms for computing the correlation matrix of the order statistics. Proceedings of the IEEE Winter Workshop on Nonlinear Digital Signal Processing, Tampere, Finland, 1993. IEEE Winter Workshop on Nonlinear Digital Signal Processing. Tampere - Finland. p. 6.2-1.1-6.2-1.6.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Multichannel L-filters based on M-ordering. Proceedings of the IEEE Winter Workshop on Nonlinear Digital Signal Processing, Finland, 1994. IEEE Winter Workshop on Nonlinear Digital Signal Processing. - Finland. p. 1.2-3.1--1.2-3.6.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Maglara A (1994). Voronoi Tessellation and Delauney Triangulation using Euclidean Disk Growing in Z^2. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, Minneapolis, U.S.A, , April, 1994. IEEE International Conference on Acoustics, Speech and Signal Processing. Minneapolis - U.S.A. p. 29-32.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Adaptive LMS L-filters for smoothing noisy images. Proceedings of the International Conference on Pattern Recognition (ICPR' 94), Jerusalem, Israel, 1994. International Conference on Pattern Recognition. Jerusalem - Israel. p. 181-183.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Gabbouj M (1994). Marginal median Learning Vector Quantizer. Proceedings of the European Signal Processing Conf. (EUSIPCO '94), Edinburg, U.K., 1994. European Signal Processing Conference. Edinburg - U.K. p. 1496-1499.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1994). Multichannel L-filter design based on marginal data ordering. Proceedings of the IEEE International Conference on Acoustics,Speech and Signal Processing, Adelaide, Australia. IEEE International Conference on Acoustics, Speech and Signal Processing. Adelaide - Australia. p. III-93--III-96.
Pitas Ioannis, Kotropoulos Konstantinos, Nikolaidis Nikolaos, Yang R, Gabbouj M (1994). A class of order statistics Learning Vector Quantizers. Proc. of the IEEE Int. Symposium on Circuits and Systems (ISCAS 94). IEEE Int. Symposium on Circuits and Systems (ISCAS 94). London, U.K. Published Version.

1993

Without Type

Kotropoulos Konstantinos (Constantine), Magnisalis X, Pitas Ioannis, Strintzis M.G (1993). Signal-adaptive maximum likelihood filtering of ultrasonic speckle. Proceedings of the European Conference on Circuit Theory and Design (ECCTD '93), Switzerland, , 1993. European Conference on Circuit Theory and Design. - Switzerland. p. 1635-1638.
Kotropoulos Konstantinos (Constantine), Pitas Ioannis, Magnisalis X, Strintzis M.G (1993). A variant of Learning Vector Quantizer based on the L_2 mean for segmentation of ultrasonic images. Proceedings of the IEEE International Symposium on Circuits and Systems, U.S.A, 1993. IEEE International Symposium on Circuits and Systems (ISCAS 1993). Chicago, Illinois, USA. p. 679-682.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1993). Split-merge Learning Vector Quantizer algorithm. Proceedings of the European Conference on Circuit Theory and Design (ECCTD '93), Switzerland, 1993. European Conference on Circuit Theory and Design. - Switzerland. p. 465-468.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1993). A variant of Learning Vector Quantizer based on split-merge statistical tests. Proceedings of Lecture Notes in Computer Science:Computer Analysis of Images and Patterns,1993. Computer Science:Computer Analysis of Images and Patterns. D. Chetverikov and W. G. Kropatsch (eds.). p. 822-829.

1992

Without Type

Kotropoulos Konstantinos, Pitas Ioannis (1992). Optimum nonlinear signal detection and estimation in the presence of ultrasonic speckle. Ultrasonic Imaging. Published Version. vol.14 no.3 p.249-275.
Kotropoulos Konstantinos, Pitas Ioannis (1992). Constrained adaptive LMS L-filters. Signal Processing. Published Version. vol.26 no.3 p.335-358.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1992). Constained adaptive LMS L-filters. Signal Processing. vol.26 no.3.
Pitas Ioannis, Kotropoulos Konstantinos (1992). A texture-based approach to the segmentation of seismic images. Pattern Recognition. Published Version. vol.25 no.9 p.929-945.

Without Type

Kotropoulos Konstantinos(Constantine), Auge E, Pitas Ioannis (1992). Two layer Learning Vector Quantizer for color image quantization. Proceedings of Signal Processing VI: Theories and Applications. Signal Processing VI: Theories and Applications. p.1177-1180.
Strintzis Michail-Gerasimos, Magnisalis X, Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Magklaveras Nikolaos (1992). Maximum likelihood signal-adaptive filtering of speckle in ultrasound B-mode images. Proceedings of IEEE International Conference on Engineering in Medicine and Biology Society Conf. (EMBS '92), Paris, France, 1992. IEEE International Conference on Engineering in Medicine and Biology Society Conference. Paris - France. p. 1870-1871.

1991

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1991). Constained adaptive LMS L-filters. 1991 International Conference on Acoustics, Speech, and Signal Processing ( ICASSP-91),. 1991 International Conference on Acoustics, Speech, and Signal Processing (ICASSP-91),. Toronto, Ont. - Canada. vol.3 p.1665 - 1668.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1991). Nonlinear filtering of speckle noise in ultrasonic images. Proceedings of the Computer Analysis of Images and Patterns Conference (CAIP '91), Germany, 1991. Computer Analysis of Images and Patterns Conference. - Germany. p. 118-123.
Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1991). Design of the constrained adaptive LMS L-filters. Proceedings of the IEEE Mediterranean Electrotechnical Conference (MELECON '91), Ljubliana, Slovenia, May, 1991. IEEE Mediterranean Electrotechnical Conference. p. 379-382.
Magnisalis X, Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Strintzis M.G (1991). Use of fractal dimension in signal-adaptive filters for speckle reduction in ultrasound B-mode images. Proceedings of the 10th International Congress for Medical Informatics (MIE '91), Austria, 1991. 10th International Congress for Medical Informatics. - Austria. p. 550-554.
Pitas Ioannis, Maglara A, Kotropoulos Konstantinos(Constantine) (1991). Morphological Voronoi tessellation and Delauney triangulation. Proceedings of Computer Analysis of Images and Patterns Conference (CAIP '91). Computer Analysis of Images and Patterns Conference. - Germany.

1990

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis (1990). Texture description rules for geophysical image segmentation. Proceedings of Signal Processing V: Theories and Applications, 1990. Signal Processing V: Theories and Applications. p. 597-600.

1989

Without Type

Kotropoulos Konstantinos(Constantine), Pitas Ioannis, Tyraskis P (1989). Segmentation of seismic images. Proceedings of the 1st Hellenic Conference Geophysics, Greece, 1989 (in Greek). 1st Hellenic Conference Geophysics. - Greece. p.112-122.
Pitas Ioannis, Kotropoulos Konstantinos (Constantine) (1989). Texture analysis and segmentation of seismic images. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, U.K, 1989. IEEE International Conference on Acoustics, Speech and Signal Processing. - U.K. p. 1337-1340.

----

Without Type

Panagakis Yannis, Kotropoulos Konstantinos(Constantine). Telephone handset identification by collaborative representations.

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Kotti M, Benetos E, Kotropoulos C. Automatic Speaker Change Detection with Bayesian Information Criterion Using MPEG-7 Features and a Fusion Scheme. Proceedings IEEE International Symposium Circuits and Systems (ISCAS’2006). Kos, Greece.

Aktualisiert: 2018-10-21

Μονάδα Διασφάλισης Ποιότητας Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης

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Curriculum Vitae

Konstantinos(Constantine) Kotropoulos

Προπτυχιακές Σπουδές

Διδακτορικό Δίπλωμα

Courses of Winter semester of 2018–19 academic year

Courses of Spring semester of 2018–19 academic year

Student Theses within AUTh

In progress

2017–2018

2015–2016

2014–2015

2013–2014

2012–2013

2011–2012

2010–2011

2008–2009

2007–2008

2006–2007

2005–2006

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Συνεργασίες με κοινωνικούς, πολιτιστικούς και παραγωγικούς φορείς

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Μονάδα Διασφάλισης Ποιότητας
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης