Costas S. Xydeas

Publication Activity (10 Years)

Years Active: 1979-2014
Publications (10 Years): 0

Top Topics

Face Recognition

Retrieval Systems

Unsupervised Image Segmentation

Probabilistic Model

Top Venues

IET Image Process.

Publications

Muhammad Aurangzeb Khan, Costas S. Xydeas, Hassan Ahmed
On the application of AAM-based systems in face recognition. EUSIPCO (2014)
Muhammad Aurangzeb Khan, Costas S. Xydeas, Hassan Ahmed
Multi-model AAM framework for face image modeling. DSP (2013)
A. A. Khan, Costas S. Xydeas, H. Ahmed
Using macroscopic information in image segmentation. IET Image Process. 7 (3) (2013)
Plamen P. Angelov, Cosmin Danut Bocaniala, Costas S. Xydeas, Charles Patchett, Daren Ansell, Michael Everett, Gang Leng
A Passive Approach to Autonomous Collision Detection and Avoidance. UKSim (2008)
Simon McDonald, Costas S. Xydeas, Plamen P. Angelov
Decision Support Systems: Improving Levels of Care and Lowering Costs in Anticoagulation Therapy. eHealth (2008)
Simon McDonald, Costas S. Xydeas, Plamen P. Angelov
A Retrospective Comparative Study of Three Data Modelling Techniques in Anticoagulation Therapy. BMEI (1) (2008)
Plamen P. Angelov, Costas S. Xydeas
Fuzzy systems design: direct and indirect approaches. Soft Comput. 10 (9) (2006)
Costas S. Xydeas, Plamen P. Angelov, Shih-Yang Chiao, M. Reoullas
Advances in classification of EEG signals via evolving fuzzy classifiers and dependant multiple HMMs. Comput. Biol. Medicine 36 (10) (2006)
Vladimir S. Petrovic, Costas S. Xydeas
Objective Image Fusion Performance Characterisation. ICCV (2005)
Vladimir S. Petrovic, Costas S. Xydeas
Gradient-based multiresolution image fusion. IEEE Trans. Image Process. 13 (2) (2004)
Vladimir S. Petrovic, Costas S. Xydeas
Evaluation of Image Fusion Performance with Visible Differences. ECCV (3) (2004)
Shih-Yang Chiao, Costas S. Xydeas
Behavior Modeling Using a Hierarchical HMM Approach. HIS (2004)
Shih-Yang Chiao, Costas S. Xydeas
Modeling the Behaviors of Players in Competitive Environments. IAT (2003)
Vladimir S. Petrovic, Costas S. Xydeas
Sensor noise effects on signal-level image fusion performance. Inf. Fusion 4 (3) (2003)
Lampros K. Stergioulas, Hassan Ahmed, Costas S. Xydeas, Bernd Simon
Total Quality Management for Electronic Educational Markets. ICALT (2003)
Costas S. Xydeas, Fotis Zafeiropoulos
Model-based packet loss concealment for AMR coders. ICASSP (1) (2003)
Serafeim Fragos, Lampros K. Stergioulas, Costas S. Xydeas
Classification of Decision-Behavior Patterns in Multivariate Computer Log Data Using Independent Component Analysis. KES (2003)
Lampros K. Stergioulas, Hassan Ahmed, Costas S. Xydeas
Adaptive Web-based Engine for the Evaluation of eLearning Resources. J. Educ. Technol. Soc. 5 (3) (2002)
Costas S. Xydeas, Thomas M. Chapman
Segmental prototype interpolation coding. ICASSP (1999)
Costas S. Xydeas, Charalampos Papanastasiou
Split matrix quantization of LPC parameters. IEEE Trans. Speech Audio Process. 7 (2) (1999)
Thomas M. Chapman, Costas S. Xydeas
Secondary codebook storage quantisation. EUROSPEECH (1999)
Costas S. Xydeas, Thomas M. Chapman
Multicodebook vector quantization of LPC parameters. ICASSP (1998)
Charalampos Papanastasiou, Costas S. Xydeas
Efficient mixed excitation models in LPC based prototype interpolation speech coders. ICASSP (1997)
Costas S. Xydeas, Gokhan H. Ilk
A novel 1.7/2.4 kb/s DCT based prototype interpolation speech coding system. EUROSPEECH (1997)
Costas S. Xydeas, Lin Cong
Robust speech recognition using fuzzy matrix quantisation, neural networks and Hidden Markov models. EUSIPCO (1996)
Gary S. D. Farrow, Costas S. Xydeas, John P. Oakley, A. Khorabi, Nuria González Prelcic
A comparison of system architectures for intelligent document understanding. Signal Process. Image Commun. 9 (1) (1996)
Gary S. D. Farrow, Costas S. Xydeas, John P. Oakley
Model matching in intelligent document understanding. ICDAR (1995)
Costas S. Xydeas, Charalampos Papanastasiou
Efficient coding of LSP parameters using split matrix quantisation. ICASSP (1995)
Gary S. D. Farrow, Mark Ireton, Costas S. Xydeas
Detecting the skew angle in document images. Signal Process. Image Commun. 6 (2) (1994)
Gary S. D. Farrow, Costas S. Xydeas, John P. Oakley
Conversion of scanned documents to the open document architecture. ICASSP (5) (1994)
John P. Oakley, Darryl N. Davis, Richard T. Shann, Costas S. Xydeas
Evaluation of an Application-Independent Image Information System. Storage and Retrieval for Image and Video Databases (SPIE) (1994)
Costas S. Xydeas, K. K. M. So
A long history quantization approach to scalar and vector quantization of LSP coefficients. ICASSP (2) (1993)
Carole A. Goble, Michael O'Docherty, Peter Crowther, Mark Ireton, John P. Oakley, Costas S. Xydeas
The Manchester Multimedia Information System. EDBT (1992)
H. Ahmed, C. N. Daskalakis, Costas S. Xydeas
A novel graph-theoretic texture segmentation algorithm. ICASSP (1991)
Mark Ireton, Costas S. Xydeas
On improving vector excitation coders through the use of spherical lattice codebooks (SLCs). ICASSP (1989)
Costas S. Xydeas, Murray J. J. Holt
Coding Scheme for Scanned Images of Handwriting and Graphics. ICC (1986)
F. S. Yeoh, Costas S. Xydeas
Split-Band Coding of Speech Signals Using A Transform Technique. ICC (3) (1984)
Costas S. Xydeas, Branko Kostic, Raymond Steele
Embedding Data Into Pictures by Modulo Masking. IEEE Trans. Commun. 32 (1) (1984)
P. J. Patrick, Raymond Steele, Costas S. Xydeas
Frequency Compression of 7.6 kHz Speech Into 3.3 kHz Bandwidth. IEEE Trans. Commun. 31 (5) (1983)
P. J. Patrick, Raymond Steele, Costas S. Xydeas
Frequency compression of 7.6 kHz speed into 3.3 kHz bandwidth. ICASSP (1983)
Costas S. Xydeas, Cumhur Cengiz Evci
A comparative study of DPCM-AQF speech coders for bit rates of 16-32 kb/s. ICASSP (1982)
Costas S. Xydeas, Cumhur Cengiz Evci, Raymond Steele
Sequential Adaptive Predictors for ADPCM Speech Encoders. IEEE Trans. Commun. 30 (8) (1982)
P. J. Patrick, Costas S. Xydeas, Raymond Steele, Wai-kuen Cham
Wideband quality speech encoders with bit rates of 16-32 kbits/s. ICASSP (1981)
Costas S. Xydeas, M. N. Faruqui, Raymond Steele
Envelope Dynamic Ratio Quantizer. IEEE Trans. Commun. 28 (5) (1980)
Cumhur Cengiz Evci, Raymond Steele, Costas S. Xydeas
Sequential gradient estimation predictor for speech signals. ICASSP (1979)