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Βιογραφικό Σημείωμα

Αναστάσιος Τέφας

Αναπληρωτής Καθηγητής, Τμήμα Πληροφορικής

Προσωπικά Στοιχεία

- 2310991932
tefas@csd.auth.gr
http://poseidon.csd.auth.gr/LAB_PEOPLE/TTefas.php
Scopus ID6701672908
Google Scholar ID4stOS3YAAAAJ
Researcher IDF-1899-2010
OrcID IDorcid.org/0000-0003-1288-3667
Γνωστικό Αντικείμενο:
Υπολογιστική Νοημοσύνη
Επιστημονική Ειδίκευση:
- Θετικές επιστήμες, Μαθηματικά και Πληροφορική
- Πληροφορική
- Επιστήμη της πληροφορικής

Εκπαίδευση

Προπτυχιακές Σπουδές

1997	Πτυχίο Πληροφορικής / ΣΘΕ ΑΠΘ Ελλάδα

Διδακτορικό Δίπλωμα

2002	PhD Πληροφορικής / ΣΘΕ ΑΠΘ Ελλάδα Υπολογιστική Νοημοσύνη

Διδακτικό Έργο

Μαθήματα Χειμερινού εξαμήνου ακαδημαϊκού έτους 2018–19

	ΤΜΗΜΑ ΠΛΗΡΟΦΟΡΙΚΗΣ
NCO-03-02	ΑΡΙΘΜΗΤΙΚΗ ΑΝΑΛΥΣΗ
NDM-07-05	ΝΕΥΡΩΝΙΚΑ ΔΙΚΤΥΑ - ΒΑΘΙΑ ΜΑΘΗΣΗ

	ΠΡΟΓΡΑΜΜΑ ΜΕΤΑΠΤΥΧΙΑΚΩΝ ΣΠΟΥΔΩΝ "ΤΕΧΝΗΤΗ ΝΟΗΜΟΣΥΝΗ"
AI105	Υπολογιστική Νοημοσύνη- Στατιστική Μάθηση

	ΠΡΟΓΡΑΜΜΑ ΜΕΤΑΠΤΥΧΙΑΚΩΝ ΣΠΟΥΔΩΝ "ΨΗΦΙΑΚΑ ΜΕΣΑ - ΥΠΟΛΟΓΙΣΤΙΚΗ ΝΟΗΜΟΣΥΝΗ"
DMCI102	Υπολογιστική Νοημοσύνη- Στατιστική Μάθηση

Μαθήματα Εαρινού εξαμήνου ακαδημαϊκού έτους 2018–19

	ΤΜΗΜΑ ΠΛΗΡΟΦΟΡΙΚΗΣ
NDM-08-02	ΥΠΟΛΟΓΙΣΤΙΚΗ ΝΟΗΜΟΣΥΝΗ

	ΠΡΟΓΡΑΜΜΑ ΜΕΤΑΠΤΥΧΙΑΚΩΝ ΣΠΟΥΔΩΝ "ΤΕΧΝΗΤΗ ΝΟΗΜΟΣΥΝΗ"
AI204	Βαθιά Μάθηση και Ανάλυση Πολυμεσικών Δεδομένων

	ΠΡΟΓΡΑΜΜΑ ΜΕΤΑΠΤΥΧΙΑΚΩΝ ΣΠΟΥΔΩΝ "ΨΗΦΙΑΚΑ ΜΕΣΑ - ΥΠΟΛΟΓΙΣΤΙΚΗ ΝΟΗΜΟΣΥΝΗ"
DMCI201	Βαθιά Μάθηση και Ανάλυση Πολυμεσικών Δεδομένων

Επίβλεψη Εργασιών

Εργασίες Φοιτητών εντός ΑΠΘ

Σε εξέλιξη

Νουση Παρασκευη. Τεχνικές Υπολογιστικής Νοημοσύνης στα Ψηφιακά Μέσα
Τζελέπη Μαρία. Τεχνικές Βαθιάς Μάθησης στα Ψηφιακά Μέσα
Τσαντεκίδης Αβραάμ. Τεχνικές Βαθιάς Μάθησης
Φλωρόπουλος Νικόλαος. Βαθιά Μάθηση
Μωχάμεντ Αστέριος. Ανάλυση οικονομικών δεδομένων με τεχνικές βαθιάς μάθησης
Πασσαλης Νικολαος. Υπολογιστική νοημοσύνη

2018–2019

Παπαδημητριου Αγγελικη. Αποκωδικοποίηση οπτικώμ αναπαραστάσεων από εγκεφαλικά δεδομένα με χρήση μηχανικής μάθησης.
Πεγιος Παρασκευας. Μεταφορά καλλιτεχνικού στύλ με χρήση συνελικτικών νευρωνικών δικτύων
Τσαμπαζης Κωνσταντινος. Βαθιά Νευρωνικά Δίκτυα για πρόβλεψη αποτελέσματος ποδοσφαιρικού αγώνα.

2017–2018

Παπαδοπουλος Σωτηριος. Αποταυτοποίηση Εικόνων Προσώπου με Χρήση Βαθιών Αυτο-Κωδικοποιητών
Φλωρόπουλος Νικόλαος. Μέθοδοι διανυσματικής κβάντισης νευρωνικών δικτύων
Συμεωνιδης Γεωργιος. ΒΑΘΙΑ ΝΕΥΡΩΝΙΚΗ ΑΝΑΓΝΩΡΙΣΗ ΑΝΤΙΚΕΙΜΕΝΩΝ ΜΕ ΧΡΗΣΗ ΑΝΑΔΡΟΜΙΚΗΣ ΟΠΤΙΚΗΣ ΠΡΟΣΟΧΗΣ.
Πατσιουρας Εμμανουηλ. ΑΝΙΧΝΕΥΣΗ ΑΝΤΙΚΕΙΜΕΝΩΝ ΜΕ ΤΗΝ ΧΡΗΣΗ ΕΛΑΦΡΙΩΝ ΣΥΝΕΛΙΚΤΙΚΩΝ ΔΙΚΤΥΩΝ ΓΙΑ ΦΟΡΗΤΕΣ ΕΝΣΩΜΑΤΩΜΕΝΕΣ ΣΥΣΚΕΥΕΣ.
Σαϊτας-Ζαρκιας Κωνσταντινος. ΒΑΘΙΑ ΕΝΙΣΧΥΤΙΚΗ ΜΑΘΗΣΗ ΣΕ ΧΡΗΜΑΤΟΟΙΚΟΝΟΜΙΚΑ ΔΕΔΟΜΕΝΑ.
Καραλιας Νικολαος. Φασματική θεωρία γραφημάτων και βαθιά μάθηση σε γραφήματα

2016–2017

Τζελεπη Μαρια. Βαθειά συνελικτικά νευρωνικά δίκτυα για ανάκτηση εικόνων με βάση το περιεχόμενο
Δασκαλακης Ελευθεριος. Ανάλυση και περιγραφή οπτικής πληροφορίας με χρήση συνελικτικών νευρωνικών δικτύων και νεύρωνες μνήμης
Σπαθης Δημητρης. Μαθαίνοντας την διάδραση με δεδομένα υψηλών διαστάσεων
Χρισκος Παντελεημων. Προστασία προσωπικών δεδομένων σε εικονοσειρές
Χαριτος Ιωαννης. ΒΑΘΙΑ ΥΠΟΛΕΙΜΑΤΙΚΑ ΝΕΥΡΩΝΙΚΑ ΔΙΚΤΥΑ ΓΙΑ ΑΝΙΧΝΕΥΣΗ ΠΡΟΣΩΠΟΥ.

2015–2016

Δρακουλης Πετρος. Πολύτροπη μείωση διάστασης δεδομένων με χρήση πυρήνα
Τσαντεκιδης Αβρααμ. Αρχιτεκτονικές και Εκπαίδευση Βαθιών Νευρωνικών Δικτύων
Κονδυλιδης Νικολαος. Ανάκτηση Εικόνας Βασισμένη σε Βαθιά Συνελικτικά Νευρωνικά Δίκτυα
Δωροπουλος Σταυρος. Ανίχνευση και ταξινόμηση λογότυπων σε μεγάλες οπτικές ροές βασισμένη σε συνελιτκικά νευρωνικά δίκτυα
Τριανταφυλλιδου Δαναη Μαρια. Ανίχνευση Προσώπου Με Βαθιά Συνελικτικά Νευρωνικά Δίκτυα

2014–2015

Γαλανοπουλος Δαμιανος. ΝΕΥΡΩΝΙΚΑ ΔΙΚΤΥΑ ΒΑΘΕΙΑΣ ΜΑΘΗΣΗΣ ΓΙΑ ΑΝΑΛΥΣΗ ΨΗΦΙΑΚΩΝ ΜΕΣΩΝ
Καραβαρσαμης Σωτηριος. ΑΝΑΚΥΨΗ ΘΕΜΕΛΙΩΔΟΥΣ ΔΟΜΗΣ ΠΛΗΡΟΦΟΡΙΑΣ ΑΠΟ ΠΟΡΝΟΓΡΑΦΙΚΕΣ ΕΙΚΟΝΕΣ ΜΕ ΧΡΗΣΗ ΒΑΘΙΩΝ ΝΕΥΡΩΝΙΚΩΝ ΑΡΧΙΤΕΚΤΟΝΙΚΩΝ
Νουση Παρασκευη. ΑΛΓΟΡΙΘΜΟΙ ΒΑΘΕΙΑΣ ΜΑΘΗΣΗΣ ΓΙΑ ΔΙΑΚΡΙΤΙΚΗ ΑΥΤΟΚΩΔΙΚΟΠΟΙΗΣΗ
Νεστοριδης Αντωνιος. ΤΕΧΝΙΚΕΣ ΟΜΑΔΟΠΟΙΗΣΗΣ ΜΕ ΧΡΗΣΗ ΝΕΥΡΩΝΙΚΩΝ ΔΙΚΤΥΩΝ ΑΥΤΟΚΩΔΙΚΟΠΟΙΗΣΗΣ
Γωγουσης Βλασης. ΠΑΡΑΓΩΓΗ ΓΕΛΟΙΟΓΡΑΦΙΑΣ ΜΕ ΧΡΗΣΗ ΑΜΕΡΟΛΗΠΤΩΝ ΣΥΝΑΡΤΗΣΕΩΝ ΠΑΡΑΜΟΡΦΩΣΗΣ

2013–2014

Γαβριηλιδης Βασιλειος. ΕΦΑΡΜΟΓΕΣ ΤΥΧΑΙΩΝ ΠΕΡΙΠΑΤΩΝ ΣΤΗΝ ΚΑΤΗΓΟΡΙΟΠΟΙΗΣΗ ΚΑΙ ΣΤΗΝ ΜΕΙΩΣΗ ΔΙΑΣΤΑΣΗΣ ΔΕΔΟΜΕΝΩΝ
Χρυσουλη Χριστινα. ΓΕΝΕΤΙΚΟΙ ΑΛΓΟΡΙΘΜΟΙ ΣΤΗ ΒΕΛΤΙΣΤΟΠΟΙΗΣΗ ΓΡΑΦΗΜΑΤΩΝ ΟΜΟΙΟΤΗΤΑΣ ΓΙΑ ΠΡΟΒΛΗΜΑΤΑ ΟΜΑΔΟΠΟΙΗΣΗΣ ΔΕΔΟΜΕΝΩΝ

2012–2013

Ιωαννιδου Αναστασια. ΤΕΧΝΙΚΕΣ ΥΠΟΛΟΓΙΣΤΙΚΗΣ ΝΟΗΜΟΣΥΝΗΣ ΣΤΗΝ ΤΑΞΙΝΟΜΗΣΗ ΕΙΚΟΝΩΝ
Χατζηβαγιας Χρηστος. ΧΡΗΣΗ ΤΗΣ ΦΑΣΜΑΤΙΚΗΣ ΟΜΑΔΟΠΟΙΗΣΗΣ ΣΤΗΝ ΤΕΧΝΙΚΗ ΕΚΤΙΜΗΣΗΣ ΚΟΣΤΟΥΣ ΜΕ ΑΝΑΛΟΓΙΕΣ
Αθανασιαδης Χρηστος. ΤΕΧΝΙΚΕΣ ΥΠΟΛΟΓΙΣΤΙΚΗΣ ΝΟΗΜΟΣΥΝΗΣ ΣΕ ΠΑΙΧΝΙΔΙΑ ΣΤΡΑΤΗΓΙΚΗΣ ΠΡΑΓΜΑΤΙΚΟΥ ΧΡΟΝΟΥ
Οικονομου Μαρια. ΜΕΙΩΣΗ ΔΙΑΣΤΑΣΗΣ ΔΕΔΟΜΕΝΩΝ ΠΟΛΛΑΠΛΩΝ ΕΤΙΚΕΤΩΝ ΜΕ ΧΡΗΣΗ ΥΠΟΚΛΑΣΕΩΝ
Μπουζας Δημητριος. ΤΕΧΝΙΚΕΣ ΥΠΟΧΟΡΩΝ ΜΕ ΧΡΗΣΗ ΛΑΠΛΑΣΙΑΝΗΣ ΔΙΑΚΡΙΤΙΚΗΣ ΑΝΑΛΥΣΗΣ ΕΔΡΑΙΩΝ ΔΙΑΝΥΣΜΑΤΩΝ

2011–2012

Γαβριηλιδης Βασιλειος. ΑΝΑΛΥΣΗ ΔΙΑΚΡΙΤΙΚΗΣ ΙΚΑΝΟΤΗΤΑΣ ΜΕΣΩ ΒΕΛΤΙΣΤΟΠΟΙΗΣΗΣ ΚΡΙΤΗΡΙΩΝ ΤΕΤΡΑΓΩΝΙΚΗΣ ΑΜΟΙΒΑΙΑΣ ΠΛΗΡΟΦΟΡΙΑΣ
Αρβανιτιδης Γεωργιος. ΜΗΧΑΝΕΣ ΕΔΡΑΙΩΝ ΔΙΑΝΥΣΜΑΤΩΝ ΜΕ ΕΝΘΕΣΗ ΓΡΑΦΟΥ
Παπαχρηστου Κωνσταντινος. ΜΑΘΗΣΗ ΥΠΟΧΩΡΩΝ ΜΕ ΠΕΡΙΟΡΙΣΜΟΥΣ ΣΥΜΜΕΤΡΙΑΣ

2010–2011

Αθανασιαδης Χρηστος. ΤΕΧΝΙΚΕΣ ΝΟΗΜΟΣΥΝΗΣ ΠΛΗΘΥΣΜΩΝ ΚΑΙ ΠΟΛΥΚΡΙΤΗΡΙΑΚΗ ΒΕΛΤΙΣΤΟΠΟΙΗΣΗ ΣΕ ΠΟΛΥΜΕΣΙΚΕΣ ΕΦΑΡΜΟΓΕΣ
Ορφανιδης Γεωργιος. Μηχανή εδραίων διανυσμάτων με χρήση υποκλάσεων.
Πιτελης Νικολαος. ΔΙΑΚΡΙΤΙΚΗ ΑΝΑΛΥΣΗ ΕΔΡΑΙΩΝ ΔΙΑΝΥΣΜΑΤΩΝ ΕΛΑΧΙΣΤΗΣ ΔΙΑΚΥΜΑΝΣΗΣ ΚΛΑΣΗΣ
Μαρωνιδης Αναστασιος. Εμβύθιση Γράφων με Χρήση Υποκλάσεων στην Κατηγοριοποίηση Δεδομένων.

2009–2010

Αρβανιτοπουλος-Δαργινης Νικολαος. ΤΕΧΝΙΚΕΣ ΣΤΑΤΙΣΤΙΚΗΣ ΜΑΘΗΣΗΣ ΥΠΟΚΛΑΣΕΩΝ ΜΕ ΧΡΗΣΗ ΝΟΗΜΟΣΥΝΗΣ ΠΛΗΘΥΣΜΩΝ
Μαραμη Ερμιονη. ΤΕΧΝΙΚΕΣ ΝΟΗΜΟΣΥΝΗΣ ΠΛΗΘΥΣΜΩΝ ΚΑΙ ΠΟΛΥΚΤΙΤΗΡΙΑΚΗ ΒΕΛΤΙΣΤΟΠΟΙΗΣΗ ΣΤΑ ΨΗΦΙΑΚΑ ΜΕΣΑ
Μπουζας Δημητριος. ΤΕΧΝΙΚΕΣ ΣΤΑΤΙΣΤΙΚΗΣ ΜΑΘΗΣΗΣ ΥΠΟΚΛΑΣΕΩΝ ΜΕ ΧΡΗΣΗ ΝΟΗΜΟΣΥΝΗΣ ΠΛΗΘΥΣΜΩΝ
Παπαδοπουλου Ουρανια. Τεχνικές στατιστηκής μάθησης με χρήση υποκλάσεων στην κατηγοριοποίηση δεδομένων.
Πετρακης Στυλιανος. Τεχνικές Υπολογιστικής Νοημοσύνης σε παιχνίδια μάχης πρώτου προσώπου.

Άγνωστη

Τούφα Αναστασία Σωτηρία. Πράκτορας Βαθιάς Ενισχυτικής Μάθησης σε Χρηματοοικονομικά Δεδομένα και Δημιουργία Τεχνητών Χρονοσειρών χρησιμοποιώντας Αντιπαλικά Δίκτυα (GAN).

Ερευνητικά Έργα

2017–2019	Τεχνικές Βαθιάς Μάθησης στα Ψηφιακά Μέσα_ στα πλαίσια της 1ης προκήρυξης υποτροφιών ΕΛΙΔΕΚ για υποψήφιους διδάκτορες με κωδικό 2826
2017–2018	Υπολογιστική Νοημοσύνη
2017–2018	Παροχή συμβουλευτικής στην ανάλυση χρηματοιοικομικών δεδομένων με τεχνικές Υπολογιστικής Νοημοσύνης

Δημοσιεύσεις

2018

Άρθρο σε Περιοδικό

Mademlis Ioannis, Tefas Anastasios, Pitas Ioannis (2018). A salient dictionary learning framework for activity video summarization via key-frame extraction. Information Sciences. τόμ.432 σ.319-331.
Mygdalis V, Iosifidis A, Tefas Anastasios, Pitas Ioannis (2018). Semi-supervised subclass support vector data description for image and video classification. Neurocomputing. Vol. 278 σ.51-61.
Tzelepi M, Tefas Anastasios (2018). Deep convolutional learning for Content Based Image Retrieval. Neurocomputing. τόμ.275 σ.2467-2478.
Tzelepi M, Tefas Anastasios (2018). Deep convolutional image retrieval: A general framework. Signal Processing: Image Communication. τόμ.63 σ.30-43.

2017

Άρθρο σε Περιοδικό

Chriskos P, Zoidi O, Tefas Anastasios, Pitas Ioannis (2017). De-identifying facial images using singular value decomposition and projections. Multimedia Tools and Applications. τόμ.76 αρ.3 σ.3435-3468.
Iosifidis A, Tefas Anastasios, Pitas Ioannis, Gabbouj M (2017). Big Media Data Analysis. Signal Processing: Image Communication. τόμ.59 σ.105-108.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2017). Approximate kernel extreme learning machine for large scale data classification. Neurocomputing. τόμ.219 σ.210-220.
Iosifidis A, Mygdalis V, Tefas Anastasios, Pitas Ioannis (2017). One-Class Classification Based on Extreme Learning and Geometric Class Information. Neural Processing Letters. τόμ.45 αρ.2 σ.577-592.
Kapsouras I, Tefas Anastasios, Nikolaidis Nikolaos, Peeters G, Benaroya L, Pitas Ioannis (2017). Multimodal speaker clustering in full length movies. Multimedia Tools and Applications. τόμ.76 αρ.2 σ.2223-2242.
Nousi P, Tefas Anastasios (2017). Deep learning algorithms for discriminant autoencoding. Neurocomputing. τόμ.266 σ.325-335.
Passalis N, Tefas Anastasios (2017). Neural Bag-of-Features learning. Pattern Recognition. τόμ.64 σ.277-294.
Passalis N, Tefas Anastasios (2017). Learning Neural Bag-of-Features for Large-Scale Image Retrieval. IEEE Transactions on Systems, Man & Cybernetics. Systems. τόμ.47 αρ.10 σ.2641-2652.

Άρθρο σε Πρακτικά Συνεδρίου

Mademlis I, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2017). Compact video description and representation for automated summarization of human activities. Advances in Big Data :Proceedings of the 2nd INNS Conference on Big Data. 2nd INNS Conference on Big Data "Advances in Intelligent Systems and Computing". Thessaloniki, Greece. Advances in Intelligent Systems and Computing τόμ.529 σ.18-28.
Mygdalis V, Iosifidis A, Tefas Anastasios, Pitas Ioannis (2017). Laplacian one class extreme learning machines for human action recognition. 2016 IEEE 18th International Workshop on Multimedia Signal Processing. Montreal, Canada.
Mygdalis V, Tefas Anastasios, Pitas Ioannis (2017). Exploiting local and global geometric data relationships in Support Vector Data Description. Proceedings - International Conference on Pattern Recognition. ICPR 2016 : IAPR International Conference on Pattern Recognition. Cancun, Mexico. σ.515-519.
Nousi P, Tefas Anastasios (2017). Discriminatively trained autoencoders for fast and accurate face recognition. Engineering Applications of Neural Networks : 18th International Conference, EANN 2017. 18th International Conference, EANN 2017 "Engineering Applications of Neural Networks". Athens, Greece. τόμ.744 σ.205-215.
Passalis N, Tefas Anastasios (2017). Spatial bag of features learning for large scale face image retrieval. Advances in Big Data: Proceedings of the 2nd INNS Conference on Big Data. 2nd INNS Conference on Big Data. (Eds): Plamen Angelov, Yannis Manolopoulos, Lazaros Iliadis, Asim Roy and Marley Vellasco. Thessaloniki, Greece. τόμ.529 σ.8-17.
Passalis N, Tefas Anastasios (2017). Improving face pose estimation using long-term temporal averaging for stochastic optimization. Engineering Applications of Neural Networks 18th International Conference, EANN 2017. 18th International Conference EANN: International Conference on Engineering Applications of Neural Networks. Athens, Greece. Communications in Computer and Information Science, τόμ.744 σ.194-204.
Passalis N, Tefas Anastasios (2017). Bag of Embedded Words learning for text retrieval. 2016 23rd International Conference on Pattern Recognition (ICPR). 23rd International Conference on Pattern Recognition (ICPR). Cancun, Mexico. σ.2416-2421.
Passalis N, Tsantekidis A, Tefas Anastasios, Kanniainen J, Gabbouj M, Iosifidis A (2017). Time-series classification using neural bag-of-features. 2017 25th European Signal Processing Conference (EUSIPCO). 25th European Signal Processing Conference, EUSIPCO 2017. Kos, Greece. τόμ.2017 σ.301-305.
Passalis N, Tefas Anastasios (2017). Concept detection and face pose estimation using lightweight convolutional neural networks for steering drone video shooting. 2017 25th European Signal Processing Conference (EUSIPCO). 25th European Signal Processing Conference, EUSIPCO 2017. Kos, Greece. τόμ.2017 σ.71-75.
Passalis N, Tefas Anastasios (2017). Learning Bag-of-Features Pooling for Deep Convolutional Neural Networks. 2017 IEEE International Conference on Computer Vision (ICCV). IEEE International Conference on Computer Vision. Venice, Italy. τόμ.2017 σ.5766-5774.
Triantafyllidou D, Tefas Anastasios (2017). Face detection based on deep convolutional neural networks exploiting incremental facial part learning. 2016 23rd International Conference on Pattern Recognition (ICPR). 23rd International Conference on Pattern Recognition (ICPR). Cancun, Mexico. σ.3560-3565.
Triantafyllidou D, Nousi P, Tefas Anastasios (2017). Lightweight two-stream convolutional face detection. 2017 25th European Signal Processing Conference (EUSIPCO). 25th European Signal Processing Conference, EUSIPCO 2017. Kos, Greece. τόμ.2017 σ.1190-1194.
Triantafyllidou Danai, Tefas Anastasios (2017). A fast deep convolutional neural network for face detection in big visual data. Advances in Big Data: Proceedings of the 2nd INNS Conference on Big Data. 2nd INNS Conference on Big Data. (Eds): Plamen Angelov, Yannis Manolopoulos, Lazaros Iliadis, Asim Roy and Marley Vellasco. Thessaloniki, Greece. τόμ.529 σ.61-70.
Tsantekidis A, Passalis N, Tefas Anastasios, Kanniainen J, Gabbouj M, Iosifidis A (2017). Forecasting stock prices from the limit order book using convolutional neural networks. 2017 IEEE 19th Conference on Business Informatics (CBI). IEEE 19th Conference on Business Informatics, CBI 2017. Thessaloniki, Greece. τόμ.1 σ.7-12.
Tsantekidis Avraam, Passalis Nikolaos, Tefas Anastasios, Kanniainen Juho, Gabbouj Moncef, Iosifidis Alexandros (2017). Using deep learning to detect price change indications in financial markets. 2017 25th European Signal Processing Conference (EUSIPCO). 25th European Signal Processing Conference, EUSIPCO 2017. Kos, Greece. τόμ.2017 σ.2511-2515.
Tzelepi M, Tefas Anastasios (2017). Exploiting supervised learning for finetuning deep CNNs in content based image retrieval. 2016 23rd International Conference on Pattern Recognition (ICPR). 23rd International Conference on Pattern Recognition (ICPR). Cancun, Mexico. σ.2918-2923.
Tzelepi M, Tefas Anastasios (2017). Human crowd detection for drone flight safety using convolutional neural networks. 2017 25th European Signal Processing Conference (EUSIPCO). 25th European Signal Processing Conference, EUSIPCO 2017. Kos, Greece. τόμ.2017 σ.743-747.

2016

Άρθρο σε Περιοδικό

Blat J, Evans A, Kim H, Imre E, Polok L, Ila V, Nikolaidis Nikolaos, Zemčík P, Tefas Anastasios, Smrž P, Hilton A, et al (2016). Big Data Analysis for Media Production. Proceedings of the IEEE. τόμ.104 αρ.11 σ.2085-2113.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2016). Graph embedded extreme learning machine. IEEE Transactions on Cybernetics. τόμ.46 αρ.1 σ.311-324.
Mademlis I, Iosifidis A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2016). Exploiting stereoscopic disparity for augmenting human activity recognition performance. Multimedia Tools and Applications. τόμ.75 αρ.19 σ.11641-11660.
Mademlis Ioannis, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2016). Multimodal Stereoscopic Movie Summarization Conforming to Narrative Characteristics. IEEE Transactions on Image Processing. τόμ.25 αρ.12 σ.5828-5840.
Mygdalis V, Iosifidis A, Tefas Anastasios, Pitas Ioannis (2016). Graph Embedded One-Class Classifiers for media data classification. Pattern Recognition. τόμ.60 σ.585-595.
Passalis N, Tefas Anastasios (2016). Entropy Optimized Feature-Based Bag-of-Words Representation for Information Retrieval. IEEE Transactions on Knowledge & Data Engineering. τόμ.28 αρ.7 σ.1664-1677.
Patrona F, Iosifidis A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2016). Visual Voice Activity Detection in the Wild. IEEE Transactions on Multimedia. τόμ.18 αρ.6 σ.967-977.

Άρθρο σε Πρακτικά Συνεδρίου

Fotiadou E, Nikolaidis Nikolaos, Kapsouras I, Tefas Anastasios (2016). A bag of words approach for recognition of Greek folk dances. SETN '16 Proceedings of the 9th Hellenic Conference on Artificial Intelligence. 9th Hellenic Conference on Artificial Intelligence. Thessaloniki, Greece. αρ.21.
Fotiadou E, Nikolaidis Nikolaos, Tefas Anastasios (2016). A comparative study of representations for folk dances recognition in video. 2016 24th European Signal Processing Conference (EUSIPCO). 2016 24th European Signal Processing Conference (EUSIPCO). Budapest, Hungary. τόμ.2016-November σ.115-119.
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. σ.113-116.
Iosifidis A, Tefas Anastasios, Pitas Ioannis, Gabbouj M (2016). A review of approximate methods for kernel-based big media data analysis. 2016 24th European Signal Processing Conference (EUSIPCO). 24th European Signal Processing Conference (EUSIPCO). Budapest, Hungary. σ.1113-1117.
Kakaletsis E, Zoidi O, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2016). Fast label propagation on facial images using a pruned similarity matrix. 2016 Digital Media Industry and Academic Forum, DMIAF 2016 - Proceedings. DMIAF 2016, Digital Media Industry and Academic Forum. Santorini, Greece. σ.103-106.
Mademlis Ilias, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2016). Movie shot selection preserving narrative properties. 2016 IEEE 18th International Workshop on Multimedia Signal Processing. Montreal, Canada.
Mygdalis V, Iosifidis A, Tefas Anastasios, Pitas Ioannis (2016). Kernel subclass support vector description for face and human action recognition. 2016 First International Workshop on Sensing, Processing and Learning for Intelligent Machines (SPLINE). 1st International Workshop on Sensing, Processing and Learning for Intelligent Machines (2016). Aalborg, Denmark.
Mygdalis V, Iosifidis A, Tefas Anastasios, Pitas Ioannis (2016). One class classification applied in facial image analysis. 2016 IEEE International Conference on Image Processing (ICIP). IEEE International Conference on Image Processing (ICIP, 2016). Phoenix, AZ, USA. σ.1644-1648.
Passalis N, Tefas Anastasios (2016). Spectral clustering using optimized bag-of-features. SETN '16 Proceedings of the 9th Hellenic Conference on Artificial Intelligence. 9th Hellenic Conference on Artificial Intelligence. Thessaloniki, Greece. art.19.
Theodoridis T, Tefas Anastasios, Pitas Ioannis (2016). Multi-view semantic temporal video segmentation. 2016 IEEE International Conference on Image Processing (ICIP). International Conference on Image Processing (ICIP, 2016). Phoenix, AZ, USA. σ.3947-3951.
Tsapanos N, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2016). Efficient MapReduce Kernel k-Means for big data clustering. SETN '16 Proceedings of the 9th Hellenic Conference on Artificial Intelligence Article No. 28. 9th Hellenic Conference on Artificial Intelligence (SETN '16). Thessaloniki, Greece. αρ.28.
Tzelepi M, Tefas Anastasios (2016). Relevance feedback in deep convolutional neural networks for content based image retrieval. SETN '16 Proceedings of the 9th Hellenic Conference on Artificial Intelligence. 9th Hellenic Conference on Artificial Intelligence. Thessaloniki, Greece. τόμ.18-20-May-2016.

2015

Άρθρο σε Περιοδικό

Iosifidis A, Tefas Anastasios, Pitas Ioannis (2015). Graph Embedded Extreme Learning Machine. IEEE Transactions on Cybernetics. τόμ. PP αρ. 99 pσ. 1.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2015). Class-specific Reference Discriminant Analysis with application in Human Behaviour Analysis. IEEE Transactions on Human Machine Systems.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2015). On the Kernel Extreme Learning Machine Classifier. Pattern Recognition Letters. τόμ.54 σ.11-17.
Iosifidis A, Marami E, Tefas Anastasios, Pitas Ioannis, Lyroudia Kleoniki (2015). The MOBISERV-AIIA Eating and Drinking multi-view database for vision-based assisted living. Journal of Information Hiding and Multimedia Signal Processing. τόμ.6 αρ.2 σ. 254-273.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2015). Distance-based Human Action Recognition using optimized class representations. Neurocomputing. τόμ. 161 pσ.47–55.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2015). DropELM: Fast neural network regularization with Dropout and DropConnect. Neurocomputing. τόμ.162 σ.57-66.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2015). Class-Specific Reference Discriminant Analysis With Application in Human Behavior Analysis. IEEE Transactions on Human-Machine Systems. Vol. 45 αρ. 3 σ.315-326.
Orphanidis G, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2015). Facial image clustering in stereoscopic videos using double spectral analysis. Signal Processing: Image Communication. τόμ. 33 pσ. 86–105.
Tsapanos Nikolaos, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2015). A distributed framework for trimmed Kernel k-Means clustering. Pattern Recognition. Vol. 48 αρ. 8 σ.2685-2698.

Άρθρο σε Πρακτικά Συνεδρίου

Iosifidis Alexandros , Tefas Anastasios, Pitas Ioannis (2015). Enhancing ELM-based facial image classification by exploiting multiple facial views. International Conference on Computational Science (ICCS 2015). Reykjavík - Iceland.
Tsapanos Nikolaos, Tefas Anastasios, Nikolaidis Nikolaos, Iosifidis A, Pitas Ioannis (2015). Fast Kernel Matrix Computation for Big Data Clustering. International Conference On Computational Science, ICCS 2015 — Procedia Computer Science. International Conference on Computational Science (ICCS 2015). Reykjavík - Iceland. τόμ.51 σ. 2445–2452.

2014

Άρθρο σε Περιοδικό

Iosifidis A, Tefas Anastasios, Pitas Ioannis (2014). Regularized Extreme Learning Machine for Multi-view Semi-supervised Action Recognition. Neurocomputing. τόμ.145 pσ. 250-262.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2014). Kernel Reference Discriminant Analysis. Pattern Recognition Letters. τόμ.49 αρ. 1 σ. 85-91.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2014). Discriminant Bag of Words based Representation for Human Action Recognition. Pattern Recognition Letters. τόμ.49 σ.185-192.
Nikitidis S, Tefas Anastasios, Pitas Ioannis (2014). Maximum Margin Projection Subspace Learning for Visual Data Analysis. IEEE Transactions on Image Processing. τόμ.23 αρ.10 σ. 4413 - 4425.
Nikitidis S, Tefas Anastasios, Pitas Ioannis (2014). Projected Gradients for Subclass Discriminant Nonnegative Subspace Learning. IEEE Transactions on Cybernetics. τόμ.44 αρ.12 σ.2806 - 2819.
Papachristou K, Tefas Anastasios, Pitas Ioannis (2014). Symmetric Subspace Learning for Image Analysis. IEEE Transactions on Image Processing. τόμ.23 αρ.12 σ.5683-5697.
Zoidi O, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Person identity label propagation in stereo videos. IEEE Transactions on Multimedia. τόμ.16, issue 5 σ.1358-1368.
Zoidi O, Nikolaidis Nikolaos, Tefas Anastasios, Pitas Ioannis (2014). Stereo Object Tracking with Fusion of Texture, Color and Disparity Information. Signal Processing: Image Communication. τόμ.29 Issue 5 σ.573-589.

Άρθρο σε Πρακτικά Συνεδρίου

Alexandros Iosifidis, Tefas Anastasios, Pitas Ioannis (2014). Multi-view Regularized Extreme Learning Machine for Human Action Recognition. Artificial Intelligence: Methods and Applications 8th Hellenic Conference on AI, SETN 2014, Ioannina, Greece, May, 15-17, 2014, Proceedings. 8th Hellenic Conference on AI, SETN 2014. Ioannina - Greece.
Chriskos P, Zoidi O, Tefas Anastasios, Pitas Ioannis (2014). De-identifying facial images using singular value decomposition. 2014 37th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). 2014 37th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). Opatija, Croatia. IEEE. σ.1240-1245.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2014). Exploiting Local Class Information in Extreme Learning Machine. International Conference on Neural Computation Theory and Applications (NCTA 2014). Rome - Italy.
Iosifidis A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Human action recognition in stereoscopic videos based on bag of features and disparity pyramids. Proceedings of the 22nd European Signal Processing Conference (EUSIPCO), 2014. 22nd European Signal Processing Conference (EUSIPCO). Lisbon - Portugal. σ.1317 - 1321.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2014). Minimum Variance Extreme Learning Machine for human action recognition. 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). ICASSP 2014 - 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). Florence, Italy. IEEE. σ.5427-5431.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2014). Human action recognition based on bag of features and multi-view neural networks. 2014 IEEE International Conference on Image Processing (ICIP). 2014 IEEE International Conference on Image Processing (ICIP). Paris, France. IEEE. σ.1510-1514.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2014). Semi-supervised Classification of Human Actions Based on Neural Networks. 2014 22nd International Conference on Pattern Recognition. 2014 22nd International Conference on Pattern Recognition (ICPR). Stockholm, Sweden. IEEE. σ.1336-1341.
Ivasic-Kos M, Iosifidis A, Tefas Anastasios, Pitas Ioannis (2014). Person de-identification in activity videos. 2014 37th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). 2014 37th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). Opatija, Croatia. IEEE. σ.1294-1299.
Kourous Nikolaos, Iosifidis Alexandros, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Video characterization based on activity clustering. 8th International Conference on Electrical and Computer Engineering. 2014 8th International Conference on Electrical and Computer Engineering (ICECE). Dhaka, Bangladesh. IEEE. σ.266-269.
Mademlis Ioannis, Iosifidis Alexandros, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Stereoscopic video description for human action recognition. 2014 IEEE Symposium on Computational Intelligence for Multimedia, Signal and Vision Processing (CIMSIVP). 2014 IEEE Symposium on Computational Intelligence for Multimedia, Signal and Vision Processing (CIMSIVP). Orlando, FL, USA. IEEE. σ.1-6.
Mygdalis Vasileios, Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2014). Video summarization based on Subclass Support Vector Data Description. 2014 IEEE Symposium on Computational Intelligence for Engineering Solutions (CIES). 2014 IEEE Symposium on Computational Intelligence for Engineering Solutions (CIES). Orlando, FL, USA. IEEE. σ.183-187.
Orfanidis G, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Facial image clustering in stereo videos using local binary patterns and double spectral analysis . Proceedings of the IEEE Symposium on Computational Intelligence and Data Mining (CIDM), 2014. IEEE Symposium on Computational Intelligence and Data Mining (CIDM), 2014 . Orlando, - Florida. σ.217 - 221.
Orfanidis Georgios, Nikolaidis Nikolaos, Tefas Anastasios, Pitas Ioannis (2014). Stereo facial image clustering using double spectral analysis. 8th International Conference on Electrical and Computer Engineering. 2014 8th International Conference on Electrical and Computer Engineering (ICECE). Dhaka, Bangladesh. IEEE. σ.262-265.
Papachristou Konstantinos, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Stereoscopic video shot clustering into semantic concepts based on visual and disparity information. 2014 IEEE International Conference on Image Processing (ICIP). 2014 IEEE International Conference on Image Processing (ICIP). Paris, France. IEEE. σ.5472-5476.
Papachristou Konstantinos, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Stereoscopic video shot classification based on Weighted Linear Discriminant Analysis. 2014 IEEE International Workshop on Machine Learning for Signal Processing (MLSP). 2014 IEEE 24th International Workshop on Machine Learning for Signal Processing (MLSP). Reims, France. IEEE. σ.1-6.
Tsapanos Theodoros, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Large graph clustering using DCT-based graph clustering. 2014 IEEE Symposium on Computational Intelligence in Big Data (CIBD). 2014 IEEE Symposium on Computational Intelligence in Big Data (CIBD). Orlando, FL, USA. IEEE. σ.1-4.
Tsingalis Ioannis, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Shot type characterization in 2D and 3D video content. IEEE 16th International Workshop on Multimedia Signal Processing (MMSP). 2014 IEEE 16th International Workshop on Multimedia Signal Processing (MMSP). Jakarta, Indonesia. IEEE. σ.1-5.
Zoidi O, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2014). Iterative Label Propagation on facial images. Proceedings of the 22nd European Signal Processing Conference (EUSIPCO), 2014. 22nd European Signal Processing Conference (EUSIPCO), 2014 . Lisbon - Portugal. σ.1222 - 1226.

2013

Άρθρο σε Περιοδικό

Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Learning sparse representations for view-independent human action recognition based on fuzzy distances. Neurocomputing. τόμ.121 σ.344–353.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Dynamic action recognition based on dynemes and Extreme Learning Machine. Pattern Recognition Letters. τόμ.34 αρ.15 σ.1890–1898.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Multi-view action recognition based on action volumes, fuzzy distances and cluster discriminant analysis. Signal Processing. τόμ.93 αρ.6 σ.1445–1457.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Minimum Class Variance Extreme Learning Machine for Human Action Recognition. IEEE Transactions on Circuits & Systems for Video Technology. τόμ.23 αρ.11 σ.1968 - 1979.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Multidimensional Sequence Classification Based on Fuzzy Distances and Discriminant Analysis. IEEE Transactions on Knowledge & Data Engineering. τόμ.25 αρ.11 σ.2564-2575.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). On the Optimal Class Representation in Linear Discriminant Analysis. IEEE Transactions on Neural Networks & Learning Systems. τόμ.24 αρ.9 σ.1491 - 1497.
Vretos Nicholas, Tefas Anastasios, Pitas Ioannis (2013). Using robust dispersion estimation in support vector machines. Pattern Recognition. τόμ.46 αρ.12 σ.3441–3451.
Zoidi Olga, Tefas Anastasios, Pitas Ioannis (2013). Visual Object Tracking Based on Local Steering Kernels and Color Histograms. IEEE Transactions on Circuits & Systems for Video Technology. τόμ.23 αρ.5 σ.870 - 882.
Zoidi Olga, Tefas Anastasios, Pitas Ioannis (2013). Multiplicative Update Rules for Concurrent Nonnegative Matrix Factorization and Maximum Margin Classification. IEEE Transactions on Neural Networks & Learning Systems. τόμ.24 αρ.3 σ.422 - 434.

Άρθρο σε Πρακτικά Συνεδρίου

Iosifidis A, Tefas Anastasios, Pitas Ioannis (2013). Person Identification from Actions based on Dynemes and Discriminant Learning. 2013 International Workshop on Biometrics and Forensics (IWBF). IEEE International Workshop on Biometrics and Forensics (IWBF). Lisbon - Portugal.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2013). View-independent Human Action Recognition based on Multi-view Action Images and Discriminant Learning. 2013 IEEE 11th IVMSP Workshop. 11th IEEE IVMSP Workshop Image, Video and Multidimensional Signal Processing: 3D Image/Video Technologies and Applications. Seoul - Korea.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2013). Representative Class Vector Clustering based Discriminant Analysis. 2013 Ninth International Conference on Intelligent Information Hiding and Multimedia Signal Processing. 9th IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing. Beijing - China. σ. 526 - 529.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2013). Multi-view human action recognition: a survey. 2013 Ninth International Conference on Intelligent Information Hiding and Multimedia Signal Processing. The 9th International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IEEE). Beijing - China. σ. 522 - 525.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2013). Dynamic Action Classification based on Iterative Data Selection and Feedforward Neural Networks. 2013 Proceedings of the 21st European Signal Processing Conference (EUSIPCO). 21st European Signal Processing Conference. Marrakech - Morocco. σ. 1 - 5.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Person identification from actions based on Artificial Neural Networks. 2013 IEEE Workshop on Computational Intelligence in Biometrics and Identity Management (IEEE SSCI 2013). Singapore.
Iosifidis Alexandros, Tefas Anastasios, Pitas Ioannis (2013). Active classification for human action recognition. IEEE International Conference on Image Processing. Melbourne - Australia. σ.3249 - 3253.
Kapsouras Ioannis, Karanikolos Stylianos, Nikolaidis Nikolaos, Tefas Anastasios (2013). Folk dance recognition using a bag of words approach and ISA/STIP features. 6th Balkan Conference in Informatics (BCI 2013). Thessaloniki - Greece.
Kapsouras Ioannis, Karanikolos Stylianos, Nikolaidis Nikolaos, Tefas Anastasios (2013). Feature Comparison and Feature Fusion for Traditional Dances Recognition. Engineering Applications of Neural Networks 14th International Conference, EANN 2013, Halkidiki, Greece. 14th Engineering Applications of Neural Networks (EANN 2013). Halkidiki - Greece. Series "Communications in Computer and Information Science", Vol. 383.
Nikitidis S, Tefas Anastasios, Pitas Ioannis (2013). Maximum Margin Discriminant Projections for Facial Expression Recognition. 2013 Proceedings of the 21st European Signal Processing Conference (EUSIPCO),. 21st European Signal Processing Conference, Marrakech, Morocco (EUSIPCO 2013). Marrakech - Morocco. σ. 1 - 5.
Oikonomou M, Tefas Anastasios (2013). Direct Multi-label Linear Discriminant Analysis. 14th EANN Conference. Chalkidiki - Greece.
Tefas Anastasios, Iosifidis Alexandros, Pitas Ioannis (2013). Neural Networks for Digital Media Analysis and Description. Engineering Applications of Neural Networks: 14th International Conference, EANN 2013, Halkidiki, Greece, September 2013, Proceedings, Part I. 14th International Conference, Engineering Applications of Neural Networks. Iliadis, Lazaros S., Papadopoulos, Harris, Jayne, Chrisina (Eds.). Chalkidiki - Greece. σ.1-11.
Zoidi Olga, Tefas Anastasios, Pitas Ioannis (2013). Exploiting Discriminant and SVM Constraints in NMF. 2013 Proceedings of the 21st European Signal Processing Conference (EUSIPCO). 21st European Signal Processing Conference. Marrakech - Morocco.
Zoidi Olga, Tefas Anastasios, Pitas Ioannis (2013). Exploiting the SVM constraints in NMF with application in eating and drinking activity recognition. IEEE International Conference on Image Processing. Melbourne - Australia. σ.3765 - 3769.

2012

Άρθρο σε Περιοδικό

Iosifidis A, Tefas Anastasios, Pitas Ioannis (2012). View-invariant action recognition based on Artificial Neural Networks. IEEE Transactions on Neural Networks and Learning Systems. τόμ.23 αρ.3 σ.412-424.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2012). Activity based Person Identification using Fuzzy Representation and Discriminant Learning. IEEE Transactions in Information Forensics and Security. τόμ.7 αρ.2 σ.530-542.
Iosifidis A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2012). Multi-view human movement recognition based on Fuzzy distances and Linear Discriminant Analysis. Computer Vision and Image Understanding. τόμ.116 αρ.3 σ.347-360.
Nikitidis S, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2012). Subclass Discriminant Non negative Matrix Factorization for Facial Image Analysis. Pattern Recognition. τόμ.45 αρ.12 σ.4080-4091.
Tsapanos N, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2012). Shape Matching Using a Binary Search Tree Structure of Weak Classifiers. Pattern Recognition. τόμ.45 αρ.6 σ.2363-2376.

Άρθρο σε Πρακτικά Συνεδρίου

Arvanitidis G, Tefas A (2012). Exploiting Graph Embedding In Support Vector Machines. IEEE International Workshop on Machine Learning for Signal Processing. Santander, Spain.
Athanasiadis C, Galanopoulos D, Tefas Anastasios (2012). Progressive Neural Network Training For The Open Racing Car Simulato. IEEE Conference on Computational Intelligence and Games (IEEE IG 2012). Granada - Spain. σ.116-123.
Athanasiadis C, Galanopoulos D, Tefas A (2012). Progressive Neural Network Training For The Open Racing Car Simulator. IEEE Conference on Computational Intelligence and Games. Granada, Spain.
Galanopoulos D, Athanasiadis C, Tefas A (2012). Evolutionary Optimization of a Neural Network Controller for Car Racing Simulation. 7th Hellenic Conference on Artificial Intelligence. Lamia, Greece.
Gavriilidis V, Tefas A (2012). Exploiting Quadratic Mutual Information for Discriminant analysis. 7th Hellenic Conference on Artificial Intelligence. Lamia, Greece.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2012). Neural representation and learning for multi-view human action recognition. The 2012 International Joint Conference on Neural Networks (IJCNN). 2012 International Joint Conference on Neural Networks (IJCNN). Brisbane, Australia. σ. 1 - 6.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2012). Multi-view Human Action Recognition Under Occlusion Based on Fuzzy Distances and Neural Networks. Proceedings of the 20th European Signal Processing Conference (2012). 20th European Signal Processing Conference (2012). Bucharest, Romania. σ. 1129 - 1133.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2012). Discriminant Action Representation for View-Invariant Person Identification. IEEE 2012 19th International Conference on Image Processing. 19th International Conference on Image Processing. Orlando, Florida. σ. 1177 - 1180.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2012). Action based Person Identification based on Self Organizing Map and Extreme Learning Machine. 9th Workshop on Self-Organizing Maps. 9th Workshop on Self-Organizing Maps. Santiago, Chile.
Iosifidis A, Marami E, Tefas Anastasios, Pitas Ioannis (2012). Eating and drinking activity recognition based on discriminant analysis of fuzzy distances and activity volumes. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2012). (ICASSP2012) International Conference on Acoustics, Speech, and Signal Processing. Kyoto, Japan.
Orfanidis G, Tefas A (2012). Exploiting Subclass Information in Support Vector Machines. 21st International Conference on Pattern Recognition. Tsukuba Science City, Japan.
Pitelis N, Tefas A (2012). Discriminant Subspace Learning Based on Support Vectors Machines. 8th International Conference on Machine Learning and Data Mining, MLDM 2012. Berlin, Germany.
Vretos N, Tefas Anastasios, Pitas Ioannis (2012). Facial Expression Recognition With Robust Covariance Estimation And Support Vector Machines. 2012 IEEE International Workshop on Machine Learning for Signal Processing. 2012 IEEE International Workshop on Machine Learning for Signal Processing. Santander, Spain. σ. 1 - 5.
Zoidi O, Tefas Anastasios, Pitas Ioannis (2012). Visual Object Tracking via Gabor-based Salient Features Extraction. 2012 Proceeding of the 20th European Signal Processing Conference. 20th European Signal Processing Conference. Bucharest, Romania. σ. 1925 - 1929.
Zoidi O, Tefas Anastasios, Pitas Ioannis (2012). Visual Object Tracking Based on the Object's Salient Features with Application in Automatic Nutrition Assistance. 2012 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP). 2012 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP). Kyoto, Japan. σ. 1469 - 1472.

2011

Άρθρο σε Περιοδικό

Maronidis A, Bolis D, Tefas Anastasios, Pitas Ioannis (2011). Improving Subspace Learning for Facial Expression Recognition Using Person Dependent and Geometrically Enriched Training Sets. Neural Networks. τόμ.24 αρ.8 σ.814-823.

Άρθρο σε Πρακτικά Συνεδρίου

Bouzas D, Arvanitopoulos N, Tefas A (2011). Optimizing Linear Discriminant Error Correcting Output Codes Using Particle Swarm Optimization. Proceedings 21st International Conference on Artificial Neural Networks (ICANN’2011). Espoo, Finland.
Iosifidis A, Tefas Anastasios, Pitas Ioannis (2011). Person Specific Activity Recognition using Fuzzy Distances and Discriminant Analysis. Proceedings of the 19th European Signal Processing Conference (EUSIPCO’2011). EUSIPCO 2011: 19th European Signal Processing Conference. Barcelona, Spain.
Iosifidis A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2011). Learning Human Identity Using View-Invariant Multi-view Movement Representation. Biometrics and ID Management COST 2101 European Workshop, BioID 2011, Brandenburg (Havel), March 8-10, 2011, Proceedings. Biometrics and ID Management - COST 2101 European Workshop. Brandenburg, Germany. σ. 217-226.
Kyperountas M, Tefas Anastasios, Pitas Ioannis (2011). Entropy-Based Iterative Face Classification. Biometrics and ID Management : COST 2101 European Workshop, BioID 2011. Proceedings. Biometrics and ID Management : COST 2101 European Workshop, BioID 2011. Brandenburg, Germany. Vol. 6583.
Marami E, Tefas Anastasios, Pitas Ioannis (2011). Nutrition Assistance based on Skin Color Segmentation and Support Vector Machines. Proceedings of the International Conference on Man-Machine Interactions (ICMMI’2011). ICMMI 2011 : International Conference on Man-Machine Interactions 2011. Beskids, Poland.
Nikitidis S, Tefas Anastasios, Pitas Ioannis (2011). Using Subclasses in Discriminant Non-negative Subspace Learning for Facial Expression Recognition. Proceedings 19th European Signal Processing Conference (EUSIPCO’2011). 19th European Signal Processing Conference (EUSIPCO’2011). Barcelona, Spain.
Nikitidis S, Tefas Anastasios, Pitas Ioannis (2011). Recent Advances in Discriminant Non-negative Matrix Factorization. 2011 First Asian Conference on Pattern Recognition (ACPR). 2011 First Asian Conference on Pattern Recognition (ACPR 2011). Beijing, China. σ. 1 - 6.
Nikitidis S, Tefas Anastasios, Pitas Ioannis (2011). Facial Expression Recognition Using Clustering Discriminant Non-negative Matrix Factorization. 18th IEEE International Conference in Image Processing (ICIP’2011). IEEE International Conference in Image Processing (ICIP’2011). Brussels, Belgium. σ. 3001 - 3004.
Tefas Anastasios, Pitas Ioannis (2011). Human Centered Interfaces for Assisted Living. Man-Machine Interactions 2. International Conference on Man-Machine Interactions (ICMMI’2011). The Beskids, Poland. Vol. 103 pp 3-10.
Zoidi O, Tefas Anastasios, Pitas Ioannis (2011). Object Tracking Based on Local Steering Kernels for Drinking Activity Recognition. Proceedings of the ITI 2011 33rd International Conference on Information Technology Interfaces (ITI). 33rd International Conference on Information Technology Interfaces (ITI). Dubrovnik, Croatia. σ. 237 - 242.

2010

Άρθρο σε Περιοδικό

Kyperountas Marios, Tefas Anastasios, Pitas Ioannis (2010). Salient feature and reliable classifier selection for facial expression classification. Pattern Recognition. Published Version. τόμ.43 αρ.3 σ.972-986.
Tsapanos N, Tefas Anastasios, Pitas Ioannis (2010). Online Shape Learning using Binary Search Trees. Image and Vision Computing. τόμ.28 αρ.7 σ.1146-1154.

Κεφάλαιο σε Συλλογικό Τόμο ή Λήμμα σε Λεξικό/Εγκυκλοπαίδεια

Goudelis G, Tefas Anastasios, Pitas Ioannis (2010). Intelligent Multimedia Analysis for Emerging Biometrics. επιμ. Sencar H. T, Velastin S, Nikolaidis Nikolaos, Lian S. Intelligent Multimedia Analysis for Security Applications. Springer.
Kyperountas M, Tefas Anastasios, Pitas Ioannis (2010). Discriminant Learning in Large Databases Using Training Space Partitioning. Advances in Face Image Analysis – Techniques and Technologies. editor Zhang, Y. Z. Pennsylvania.
Tefas Anastasios, Pitas Ioannis (2010). Principal Component Analysis. The Industrial Electronics Handbook. editors Wilamowski B., Irwin, D. CRC press.

Άρθρο σε Πρακτικά Συνεδρίου

Arvanitopoulos N, Bouzas D, Tefas A (2010). Subclass Error Correcting Output Codes Using Fisher's Linear Discriminant Ratio. Proceedings 20th International Conference on Pattern Recognition (ICPR’2010). Istanbul, Turkey.
Arvanitopoulos N, Bouzas D, Tefas A (2010). Mutual Information Measures for Subclass Error-Correcting Output Codes Classification. Proceedings 6th Hellenic Conference on Artificial Intelligence (SETN’2010). Athens, Greece.
Bolis D, Maronidis A, Tefas Anastasios, Pitas Ioannis (2010). Improving the Robustness of Subspace Learning Techniques for Facial Expression Recognition. Proceedings 20th International Conference on Artificial Neural Networks (ICANN’2010). 20th International Conference on Artificial Neural Networks (ICANN’2010). Thessaloniki, Greece.
Bouzas D, Arvanitopoulos N, Tefas A (2010). Optimizing Subclass Discriminant Error Correcting Output Codes Using Particle Swarm Optimization. Proceedings IEEE International Joint Conference on Neural Networks (IJCNN’2010). Barcelona, Spain.
Marami E, Tefas A (2010). Using Particle Swarm Optimization for Scaling and Rotation invariant Face Detection. Proceedings IEEE Congress on Evolutionary Computation. Barcelona, Spain.
Marami E, Tefas A (2010). Face Detection using Particle Swarm Optimization and Support Vector Machines. Proceedings 6th Hellenic Conference on Artificial Intelligence (SETN’2010). Athens, Greece.
Maronidis A, Tefas Anastasios, Pitas Ioannis (2010). Frontal View Recognition Using Spectral Clustering and Subspace Learning Methods. Proceedings 20th International Conference on Artificial Neural Networks (ICANN’2010). 20th International Conference on Artificial Neural Networks (ICANN 2010). Thessaloniki, Greece.
Petrakis S, Tefas A (2010). Neural Networks Training for Weapon Selection in First-Person Shooter Games. Proceedings 20th International Conference on Artificial Neural Networks (ICANN’2010). Thessaloniki, Greece.
Tsapanos N, Tefas Anastasios, Pitas Ioannis (2010). Dynamic Shape Learning and Forgetting. Artificial Neural Networks – ICANN 2010 : 20th International Conference, Thessaloniki, Greece, September 15-18, 2010, Proceedings, Part III. 20th International Conference on Artificial Neural Networks (ICANN’2010). Thessaloniki, Greece. σ.333-338.

2009

Κεφάλαιο σε Συλλογικό Τόμο ή Λήμμα σε Λεξικό/Εγκυκλοπαίδεια

Tefas Anastasios, Pitas Ioannis (2009). Face Verification based on Elastic Graph Matching. Biometrics: Theory Methods and Applications. editors Boulgouris N., Plataniotis K., Micheli-Tzanakou E. Wiley-IEEE Press.
Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2009). Image Watermarking: Techniques and Applications. The Essential Guide to Video Processing. editor Bovik, A. Elsevier. σ.597-648.

Άρθρο σε Πρακτικά Συνεδρίου

Gkalelis N, Tefas Anastasios, Pitas Ioannis (2009). Human identification from human movements. IEEE International Conference on Image Processing (ICIP), 2009. 16th IEEE International Conference on Image Processing (ICIP), 2009. Cairo, Egypt. Published Version. σ.2585 - 2588.
Gkalelis N, Tefas Anastasios, Pitas Ioannis (2009). Fusion of Movement Specific Human Identification Experts. Biometric ID Management and Multimodal Communication Joint COST 2101 and 2102 International Conference, Proceedings Series: Lecture Notes in Computer Science, Vol. 5707. Joint COST 2101 and 2102 International Conference on Biometric ID Management and Multimodal Communication. Madrid, Spain. Published Version. σ.138-145.
Goudelis G, Tefas Anastasios, Pitas Ioannis (2009). Using Mutual Information to Indicate Facial Poses in Video Sequences. Proceedings 8th ACM International Conference on Image and Video Retrieval (CIVR 2009 ). 8th ACM International Conference on Image and Video Retrieval (CIVR 2009 ). Santorini Island, Greece.
Kyperountas M, Tefas Anastasios, Pitas Ioannis (2009). Pairwise facial expression classification. Proceedings 11th IEEE International Workshop on Multimedia Signal Processing (MMSP’2009). MMSP '09. IEEE International Workshop on Multimedia Signal Processing, 2009. Rio De Janeiro, Brazil. Published Version. σ.1-4.

2008

Άρθρο σε Περιοδικό

Gkalelis N, Tefas Anastasios, Pitas Ioannis (2008). Combining fuzzy vector quantization with linear discriminant analysis for continuous human movement recognition. IEEE Transactions on Circuits and Systems for Video Technology. Published Version. τόμ.18 αρ.11 σ.1511-1521.
Goudelis G, Tefas Anastasios, Pitas Ioannis (2008). Emerging Biometric Modalities: a Survey. Journal on Multimodal User Interfaces. τόμ.2 σ.217-235.
Goudelis G, Tefas Anastasios, Pitas Ioannis (2008). Automated Facial Pose Extraction From Video Sequences Based on Mutual Information. IEEE Transactions on Circuits and Systems for Video Technology. Published Version. τόμ.18 αρ.3 σ.418 - 424.
Kyperountas Marios, Tefas Anastasios, Pitas Ioannis (2008). Dynamic training using multistage clustering for face recognition. Pattern Recognition. Published Version. τόμ.41 αρ.3 σ.894-905.

Άρθρο σε Πρακτικά Συνεδρίου

Gkalelis N, Tefas Anastasios, Pitas Ioannis (2008). Sparse human movement representation and recognition. Proc. IEEE 2008 International Workshop on Multimedia Signal Processing (MMSP 2008). International Workshop on Multimedia Signal Processing (MMSP 2008). Cairns, Australia. Published Version.
Gkalelis N, Tefas Anastasios, Pitas Ioannis (2008). Human movement recognition using fuzzy clustering and discriminant analysis. Proc. 16th European Signal Processing Conference (EUSIPCO 2008). 16th European Signal Processing Conference (EUSIPCO 2008). Lausanne, Switzerland. Published Version.
Goudelis G, Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2008). Motivating Class-specific Nonlinear Projections for Face Verification. Proceedings IEEE International Conference on Image Processing (ICIP’2008). IEEE International Conference on Image Processing (ICIP’2008). San Diego, CA.
Kyperountas M, Tefas Anastasios, Pitas Ioannis (2008). Face Recognition via Adaptive Discriminant Clustering. 15th IEEE International Conference on Image Processing (ICIP’2008). 15th IEEE International Conference on Image Processing (ICIP’2008). San Diego,CA. σ.2744-2747.
Tsapanos N, Tefas Anastasios, Pitas Ioannis (2008). An Online Self-Balancing Binary Search Tree for Hierarchical Shape Matching. Proceedings 3rd International Conference on Computer Vision Theory & Applications (VISAPP’2008). 3rd International Conference on Computer Vision Theory and Applications. Funchal, Madeira - Portugal. σ. 591-597.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2008). Gender Determination Using a Support Vector Machine Variant. Proceedings 16th European Signal Processing Conference (EUSIPCO’2008). 16th European Signal Processing Conference (EUSIPCO’2008). Lausanne, Switzerland.

2007

Άρθρο σε Περιοδικό

Goudelis G, Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2007). Class-Specific Kernel-Discriminant Analysis for Face Verification. IEEE Transactions on Information Forensics and Security. Published Version. τόμ.2 αρ.3 σ.570 - 587.
Kyperountas Marios, Tefas Anastasios, Pitas Ioannis (2007). Weighted Piecewise LDA for Solving the Small Sample Size Problem in Face Verification. IEEE Transactions on Neural Networks. Published Version. τόμ.18 αρ.2 σ.506 - 519.
Zafeiriou Stefanos, Tefas Anastasios, Pitas Ioannis (2007). Minimum Class Variance Support Vector Machines. IEEE Transactions on Image Processing. Published Version. τόμ.16 αρ.10 σ.2551 - 2564.
Zafeiriou Stefanos, Tefas Anastasios, Pitas Ioannis (2007). Learning Discriminant Person-Specific Facial Models Using Expandable Graphs. IEEE Transactions on Information Forensics and Security. Published Version. τόμ.2 αρ.1 σ.55 - 68.
Zafeiriou Stefanos, Tefas Anastasios, Pitas Ioannis (2007). The discriminant elastic graph matching algorithm applied to frontal face verification. Pattern Recognition. Published Version. τόμ.40 αρ.10 σ.2798-2810.

Άρθρο σε Πρακτικά Συνεδρίου

Goudelis G, Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2007). A novel kernel discriminant analysis for face verification. IEEE International Conference on Image Processing. Proc.of 2007 IEEE International Conference on Image Processing.
Kyperountas M, Tefas Anastasios, Pitas Ioannis (2007). Face verification using locally linear discriminant models. Proc. of Int. Conf. on Image Processing (ICIP 2007). Int. Conf. on Image Processing (ICIP 2007). San Antonio.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2007). A new class of decision surfaces based on the minimization of within class variance. 2007 IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2007). 2007 IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2007). Thessaloniki, Greece. σ.441-446.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2007). Discriminant Graph Structures for Face Verification. IEEE International Conference on Acoustics Speech and Signal Processing 2007 (ICASSP' 07). ICASSP 2007 IEEE International Conference on Acoustics Speech and Signal Processing 2007. Honolulu, HI. τόμ.1 σ.I-497-I-500.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2007). Advances in Elastic Graph Matching for Frontal Face Verification. Proceedings of the 2007 IEEE Symposium on Computational Intelligence in Image and Signal Processing (CIISP 2007). 2007 IEEE Symposium on Computational Intelligence in Image and Signal Processing (CIISP 2007). Honolulu, HI. σ.319-324.

2006

Άρθρο σε Περιοδικό

Zafeiriou Stefanos, Tefas Anastasios, Buciu I, Pitas Ioannis (2006). Exploiting discriminant information in nonnegative matrix factorization with application to frontal face verification. IEEE Transactions on Neural Networks. Published Version. τόμ.17 αρ.3 σ.683 - 695.

Κεφάλαιο σε Συλλογικό Τόμο ή Λήμμα σε Λεξικό/Εγκυκλοπαίδεια

Nikolaidis Nikolaos, Tefas Anastasios, Pitas Ioannis (2006). Chaotic Sequences for Digital Watermarking. Advances on Nonlinear Signal and Image Processing. editors Marshall S., Sicuranza G. Hindawi Publishing Corporation. σ.205-238.

2005

Άρθρο σε Περιοδικό

Zafeiriou Stefanos, Tefas Anastasios, Pitas Ioannis (2005). Blind robust watermarking schemes for copyright protection of 3D mesh objects. IEEE Transactions on Visualization and Computer Graphics. Published Version. τόμ.11 αρ.5 σ.569-607.

Κεφάλαιο σε Συλλογικό Τόμο ή Λήμμα σε Λεξικό/Εγκυκλοπαίδεια

Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2005). Watermarking Techniques for Image Authentication and Copyright Protection. The Handbook of Image and Video Processing. editor Bovik, A. Elsevier Academic Press. σ.1083-1109.

Άρθρο σε Πρακτικά Συνεδρίου

Goudelis G, Tefas Anastasios, Pitas Ioannis (2005). On Emerging BiometricTechnologies. Proceedings 3rd COST 275 Workshop : Biometrics on the Internet. 3rd COST 275 Workshop : Biometrics on the Internet. Hatfield, England.
Kyperountas M, Tefas Anastasios, Pitas Ioannis (2005). Methods for Improving Discriminant Analysis for Face Authentication. IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings(ICASSP’2005). IEEE International Conference on Acoustics, Speech and Signal (ICASSP’2005). Philadelphia, PA. τόμ.2 σ.549-552.
Tefas Anastasios, Giannoula A, Nikolaidis Nikolaos, Pitas Ioannis (2005). Enhanced transform-domain correlation-based audio watermarking. Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing, ICASSP 2005. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, ICASSP 2005. Philadelphia, PA, USA. Published Version. τόμ.2 σ.1049-1052.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2005). Discriminant NMFfaces for Frontal Face Verification. Proc. of IEEE Int. Workshop on Machine Learning for Signal Processing (MLSP 2005). IEEE Int. Workshop on Machine Learning for Signal Processing (MLSP 2005). Mystic, Connecticut. Published Version. σ.355-359.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2005). Class-Specific Discriminant Non-negative Matrix Factorization for Frontal Face Verification. Proc. of Int. Conf. Advances in Pattern Recognition (ICAPR 2005). Int. Conf. Advances in Pattern Recognition (ICAPR 2005). Bath, United Kingdom. Published Version. σ.206-215.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2005). Linear Discriminant Feature Selection Techniques in Elastic Graph Matching. Proc. of EURASIP European Signal Processing Conf. (EUSIPCO 2005). EURASIP European Signal Processing Conf. (EUSIPCO 2005). Antalya, Turkey. Published Version.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2005). Exploiting Discriminant Information in Elastic Graph Matching. Proc. of IEEE Int. Conf. on Image Processing (ICIP 2005). IEEE Int. Conf. on Image Processing (ICIP 2005). Genova, Italy. Published Version. τόμ.3 σ.768-771.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2005). Elastic Graph Matching versus Linear Subspace Methods for Frontal Face Verification. 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.

2004

Άρθρο σε Πρακτικά Συνεδρίου

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.
Tefas Anastasios, Nikolaidis Nikolaos (2004). Chaotic watermark sequences for correlation-based schemes. Proceedings 12th European Signal Processing Conference (EUSIPCO’2004). 12th European Signal Processing Conf. EUSIPCO2004). Vienna, Austria. Published Version. σ.1891-1894.
Zafeiriou S, Tefas Anastasios, Pitas Ioannis (2004). A Blind Robust Watermarking Scheme for Copyright Protection of 3D Mesh Models. Proc. of IEEE Int. Conf. on Image Processing (ICIP 2004). IEEE Int. Conf. on Image Processing (ICIP 2004). Singapore. Published Version. τόμ.3 σ.1569-1572.

2003

Άρθρο σε Περιοδικό

Tefas Anastasios, Nikolaidis Athanasios, Nikolaidis Nikolaos, Solachidis V, Tsekeridou S, Pitas Ioannis (2003). Markov chaotic sequences for correlation based watermarking schemes. Chaos Solitons and Fractals. Published Version. τόμ.17 αρ.2-3 σ.567-573.
Tefas Anastasios, Nikolaidis A, Nikolaidis Nikolaos, Solachidis V, Tsekeridou S, Pitas Ioannis (2003). Performance Analysis of Correlation-Based Watermarking Schemes Employing Markov Chaotic Sequences. IEEE Transactions on Signal Processing. Published Version. τόμ.51 αρ.7 σ. 1979 - 1994.

Άρθρο σε Πρακτικά Συνεδρίου

Giannoula A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2003). Improving the Detection Reliability of Correlation-based Watermarking Techniques. Proceedings of the 2003 IEEE International Conference on Multimedia and Expo(ICME’2003). 2003 IEEE International Conference on Multimedia and Expo. Baltimore, MD. τόμ.1 σ.209-212.
Kalivas A, Tefas Anastasios, Pitas Ioannis (2003). Watermarking of 3D models Using Principal Component Analysis. Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP’2003). IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP’2003). Baltimore, MD. τόμ.5 αρ.2 σ.637-640.
Laftsidis C, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2003). Robust Multibit Audio Watermarking in the Temporal Domain. Proceedings of the 2003 IEEE International Symposium on Circuits and Systems (ISCAS’2003). 2003 IEEE International Symposium on Circuits and Systems (ISCAS’2003). Bangkok, Thailand. τόμ.2 σ.944-947.
Zafeiriou S, Kalyvas A, Tefas Anastasios, Nikolaidis Nikolaos, Pitas Ioannis (2003). Watermarking of 3D mesh models robust to basic geometric transformations. Proc. of 9th Panhellenic Conf. on Informatics (PCI `03). 9th Panhellenic Conf. on Informatics (PCI `03). Thessaloniki, Greece. Published Version. σ.575-585.

2002

Άρθρο σε Περιοδικό

Tefas Anastasios, Kotropoulos Konstantinos, Pitas Ioannis (2002). Face verification using elastic graph matching based on morphological signal decomposition. Signal Processing. Published Version. τόμ.82 αρ.6 σ.833-851.

Άρθρο σε Πρακτικά Συνεδρίου

Luizis G, Tefas Anastasios, Pitas Ioannis (2002). Copyright Protection of 3D Images using Watermarks of Specific Spatial Structure. Proc. of IEEE Int. Conf. on Multimedia and Expo 2002 (ICME2002). IEEE Int. Conf. on Multimedia and Expo 2002 (ICME2002). Lausanne, Switzerland. Published Version. τόμ.2 σ.557-560.
Nikolaidis Nikolaos, Solachidis V, Tefas Anastasios, Pitas Ioannis (2002). Watermark Detection: Benchmarking Perspectives. Proc. of IEEE Int. Conf. on Multimedia and Expo 2002(ICME2002), Special Session on Benchmarking of Data Hiding Technologies. IEEE Int. Conf. on Multimedia and Expo 2002(ICME2002), Special Session on Benchmarking of Data Hiding Technologies. Lausanne, Switzerland. Published Version. τόμ.2 σ.493-496.
Nikolaidis Nikolaos, Solachidis V, Tefas Anastasios, Arguriou V, Pitas Ioannis (2002). Benchmarking of Still Image Watermarking Methods: Principles and State of the Art. Proceedings International Conference on Electronic Imaging and the Visual Arts (EVA’2002). Electronic Imaging & the Visual Arts 2002 (EVA2002). Florence, Italy. Published Version. σ.158-162.
Tefas Anastasios, Louizis G, Pitas Ioannis (2002). 3D Image Watermarking robust to Geometric Distortions. Proc. of IEEE Int. Conf. on Acoustics Speech and Signal Processing 2002 (ICASSP2002). IEEE Int. Conf. on Acoustics Speech and Signal Processing 2002 (ICASSP2002). Florida, USA. Published Version. 2002. τόμ.4 σ.3465-3468.

2001

Άρθρο σε Περιοδικό

Bartollini F, Tefas Anastasios, Barni M, Pitas Ioannis (2001). Image authentication techniques for surveillance applications. Proceedings of the IEEE Institute of Electrical and Electronics Engineers. Published Version. τόμ.89 αρ.10 σ.1403 - 1418.
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. τόμ.23 αρ.7 σ.735 - 746.
Tsekeridou S, Solachidis Vasileios, Nikolaidis Nikolaos, Nikolaidis Athanasios, Tefas Anastasios, Pitas Ioannis (2001). Statistical analysis of a watermarking system based on Bernoulli chaotic sequences. Signal Processing. Published Version. τόμ.81 αρ.6 σ.1273-1293.

Άρθρο σε Πρακτικά Συνεδρίου

Nikolaidis A, Tsekeridou S, Tefas A, Solachidis V (2001). A Survey on Watermarking Application Scenarios and Related Attacks. Proceedings IEEE International Con-ference on Image Processing (ICIP’2001). Thessaloniki, Greece. τόμ.3 σ.991-994.
Solachidis V, Tefas Anastasios, Nikolaidis Nikolaos, Tsekeridou S, Nikolaidis Athanasios, Pitas Ioannis (2001). A benchmarking protocol for watermarking methods. Proc. of 2001 IEEE Int. Conf. on Image Processing(ICIP'01). 2001 IEEE Int. Conf. on Image Processing(ICIP'01). Thessaloniki, Greece. Published Version. τόμ.3 σ.1023-1026.
Solachidis V, Tsekeridou S, Tefas Anastasios, Pitas Ioannis (2001). A simple benchmarking system for performance evaluation of still image watermarking methods. Proceedings In-ternational Symposium on Telecommunications (IST 2001). Int. Symposium on Telecommunications (IST'01). Tehran, IRAN. Published Version. σ.193-196.
Tefas Anastasios, Nikolaidis Athanasios, Nikolaidis Nikolaos, Solachidis V, Tsekeridou S, Pitas Ioannis (2001). Markov Chaotic Sequences for Correlation based Watermarking schemes. Proceedings of International Conference on Nonlinear Dynamics(NLD 01). International Conference on Nonlinear Dynamics(NLD 01). Thessaloniki, Greece.
Tefas Anastasios, Louizis G, Pitas Ioannis, Nikolaidis Nikolaos, Lyroudia Kleoniki (2001). Robust Spatial 3D Image Watermarking. Proceedings of 1st IEEE International Symposium on Signal Processing and Information Technology (ISSPIT’2001). 1st IEEE International Symposium on Signal Processing and Information Technology. Cairo, Egypt. σ.229-232.
Tefas Anastasios, Nikolaidis Athanasios, Nikolaidis Nikolaos, Solachidis V, Pitas Ioannis (2001). Performance Analysis of Watermarking Schemes based on Skew Tent Chaotic Sequences. Proceedings Workshop on Nonlinear Signal and Image Processing (NSIP’2001). NSIP'01. Baltimore, Maryland, USA. Published Version.
Tefas Anastasios, Pitas Ioannis (2001). Robust Spatial Image Watermarking using Progressive Detection. Proc. of 2001 IEEE Int. Conf. on Acoustics,Speech and Signal Processing (ICASSP 2001). 2001 IEEE Int. Conf. on Acoustics,Speech and Signal Processing (ICASSP 2001). Utah, USA. Published Version. τόμ.3 σ.1973-1976.
Tefas Anastasios, Nikolaidis Athanasios, Nikolaidis Nikolaos, Solachidis V, Tsekeridou S, Pitas Ioannis (2001). Statistical Analysis of Markov Chaotic Sequences for Watermarking applications. Proc. of 2001 IEEE Int. Symposium on Circuits and Systems(ISCAS 2001). 2001 IEEE Int. Symposium on Circuits and Systems(ISCAS 2001). Sydney, Australia. Published Version. τόμ.2 σ.57-60.
Tsekeridou S, Solachidis V, Nikolaidis Nikolaos, Nikolaidis Athanasios, Tefas Anastasios, Pitas Ioannis (2001). Theoretic Investigation of the Use of Watermark Signals derived from Bernoulli Chaotic Sequences. Proc. of the 12th Scandinavian Conf. on Image Analysis 2001 (SCIA2001). 12th Scandinavian Conf. on Image Analysis 2001 (SCIA2001). Bergen, Norway. Published Version. σ.600-607.
Tsekeridou S, Solachidis V, Nikolaidis Nikolaos, Nikolaidis Athanasios, Tefas Anastasios, Pitas Ioannis (2001). Theoretic Performance Analysis of a Watermarking System based on Bernoulli Chaotic Sequences. Proc. of Communications and Multimedia Security Conf. (CMS 2001). Communications and Multimedia Security Conf. (CMS 2001). Darmstadt, Germany. Published Version. σ.81-91.
Tsekeridou S, Solachidis V, Nikolaidis Nikolaos, Nikolaidis Athanasios, Tefas Anastasios, Pitas Ioannis (2001). Bernoulli Shift Generated Chaotic Watermarks: Theoretic Investigation. Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2001). IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2001). Salt Lake City, Utah, USA. Published Version. τόμ.3 σ.1989-1992.

2000

Άρθρο σε Περιοδικό

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. τόμ.33 αρ.12 σ.1935-1947.
Kotropoulos Konstantinos, Tefas Anastasios, Pitas Ioannis (2000). Frontal face authentication using morphological elastic graph matching. IEEE Transactions on Image Processing. Published Version. τόμ.9 αρ.4 σ. 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. τόμ.2 αρ.1 σ.14 - 26.

Άρθρο σε Πρακτικά Συνεδρίου

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. τόμ.4 σ.858-863.
Nikolaidis Nikolaos, Tsekeridou S, Nikolaidis Athanasios, Tefas Anastasios, Solachidis V, Pitas Ioannis (2000). Applications of chaotic signal processing techniques to multimedia watermarking. Proceedings IEEE Workshop on Nonlinear Dynamics in Electronic Systems (NDES’2000). IEEE Workshop on Nonlinear Dynamics in Electronic Systems. Catania Italy. Published Version. σ.1-7.
Tefas Anastasios, Pitas Ioannis (2000). Multi-bit Image Watermarking Robust to Geometric Distortions. Proc. of IEEE Int. Conf. on Image Processing (ICIP'2000). IEEE Int. Conf. on Image Processing (ICIP'2000). Vancouver, Canada. Published Version. τόμ.3 σ.710-713.
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. τόμ.1 σ.29-32.
Tefas Anastasios, Pitas Ioannis (2000). Image Authentication and Tamper Proofing using Mathematical Morphology. Proc. of European Signal Processing Conf. (EUSIPCO'2000). European Signal Processing Conf. (EUSIPCO'2000). Tampere, Finland. Published Version.
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. τόμ.4 σ.2409-2412.
Tefas Anastasios, Pitas Ioannis (2000). Image Authentication based on Chaotic Mixing. Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS'2000). IEEE Int. Symposium on Circuits and Systems (ISCAS'2000). Geneva, Switzerland. Published Version. τόμ.1 σ.216-219.
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

Άρθρο σε Πρακτικά Συνεδρίου

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. σ.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. τόμ. 2 σ. 934 - 938.
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. τόμ. 2 σ.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

Άρθρο σε Πρακτικά Συνεδρίου

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.

1997

Άρθρο σε Πρακτικά Συνεδρίου

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. τόμ. 2 σ. 794 - 798.

----

Άρθρο σε Περιοδικό

Gogousis V, Tefas Anastasios. Caricature generation utilizing the notion of anti-face. Multimedia Tools and Applications. Vol.77 αρ.7 σ.8259–8271.
Mygdalis V, Iosifidis A, Tefas Anastasios, Pitas Ioannis. Corrigendum to “Semi-supervised subclass support vector data description for image and video classification”. Neurocomputing. τόμ. 291 σ. 237-241.
Passalis N, Tefas Anastasios. Dimensionality Reduction Using Similarity-Induced Embeddings. IEEE Transactions on Neural Networks and Learning Systems.
Triantafyllidou D, Nousi P, Tefas Anastasios. Fast Deep Convolutional Face Detection in the Wild Exploiting Hard Sample Mining. Big Data Research. Vol.11 σ.65-76.

Ενημερώθηκε: 2018-11-03

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