Costas S. Xydeas

According to our database, Costas S. Xydeas authored at least 55 papers between 1979 and 2018.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2018

Three-Dimensional UAV Routing With Deconfliction.

Sohail Razzaq, Costas Xydeas, Michael Everett, Anzar Mahmood, Thamer Alquthami

IEEE Access, 2018

2014

On the application of AAM-based systems in face recognition.

Muhammad Aurangzeb Khan, Costas S. Xydeas, Hassan Ahmed

Proceedings of the 22nd European Signal Processing Conference, 2014

2013

Using macroscopic information in image segmentation.

A. A. Khan, Costas S. Xydeas, H. Ahmed

IET Image Process., 2013

Multi-model AAM framework for face image modeling.

Muhammad Aurangzeb Khan, Costas S. Xydeas, Hassan Ahmed

Proceedings of the 18th International Conference on Digital Signal Processing, 2013

Hierarchical Classification Fusion framework.

Asmar A. Khan, Costas Xydeas, Hassan Ahmed

Proceedings of the IEEE International Conference on Acoustics, 2013

Multi-Component/Multi-Model AAM framework for face image modeling.

Muhammad Aurangzeb Khan, Costas Xydeas, Hassan Ahmed

Proceedings of the IEEE International Conference on Acoustics, 2013

Probabilistic Multimodal Classification with dynamic feature selection.

Asmar A. Khan, Costas Xydeas, Hassan Ahmed

Proceedings of the 16th International Conference on Information Fusion, 2013

2011

On Improving Image Segmentation.

Asmar A. Khan, Costas Xydeas, Hassan Ahmed

Proceedings of the Seventh International Conference on Signal-Image Technology and Internet-Based Systems, 2011

Information driven approach for sensor positioning in wireless sensor networks.

Arshad Ali, Costas Xydeas, Lyudmila Mihaylova, El Hadji Amadou Gning

Proceedings of the 41. Jahrestagung der Gesellschaft für Informatik, 2011

Use of cubic Bézier curves for route planning.

Costas Xydeas, Colin J. Brown

Proceedings of the 19th European Signal Processing Conference, 2011

2008

A Passive Approach to Autonomous Collision Detection and Avoidance.

Plamen Angelov, Cosmin Danut Bocaniala, Costas S. Xydeas, Charles Patchett, Darren Ansell, Michael Everett, Gang Leng

Proceedings of the 10th EUROS/UKSim International Conference on Computer Modelling and Simulation, 2008

Decision Support Systems: Improving Levels of Care and Lowering Costs in Anticoagulation Therapy.

Simon McDonald, Costas S. Xydeas, Plamen Angelov

Proceedings of the Electronic Healthcare, First International Conference, 2008

A Retrospective Comparative Study of Three Data Modelling Techniques in Anticoagulation Therapy.

Simon McDonald, Costas S. Xydeas, Plamen Angelov

Proceedings of the 2008 International Conference on BioMedical Engineering and Informatics, 2008

2006

Fuzzy systems design: direct and indirect approaches.

Plamen Angelov, Costas S. Xydeas

Soft Comput., 2006

Advances in classification of EEG signals via evolving fuzzy classifiers and dependant multiple HMMs.

Costas S. Xydeas, Plamen Angelov, Shih-Yang Chiao, M. Reoullas

Comput. Biol. Medicine, 2006

2005

Objective Image Fusion Performance Characterisation.

Vladimir S. Petrovic, Costas S. Xydeas

Proceedings of the 10th IEEE International Conference on Computer Vision (ICCV 2005), 2005

2004

Gradient-based multiresolution image fusion.

Vladimir S. Petrovic, Costas S. Xydeas

IEEE Trans. Image Process., 2004

Behavior Modeling Using a Hierarchical HMM Approach.

Shih-Yang Chiao, Costas S. Xydeas

Proceedings of the 4th International Conference on Hybrid Intelligent Systems (HIS 2004), 2004

On-line identification of MIMO evolving Takagi- Sugeno fuzzy models.

Plamen Angelov, Costas Xydeas, Dimitar P. Filev

Proceedings of the IEEE International Conference on Fuzzy Systems, 2004

Evaluation of Image Fusion Performance with Visible Differences.

Vladimir S. Petrovic, Costas S. Xydeas

Proceedings of the Computer Vision, 2004

2003

Sensor noise effects on signal-level image fusion performance.

Vladimir S. Petrovic, Costas S. Xydeas

Inf. Fusion, 2003

Classification of Decision-Behavior Patterns in Multivariate Computer Log Data Using Independent Component Analysis.

Serafeim Fragos, Lampros K. Stergioulas, Costas S. Xydeas

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2003

Model-based packet loss concealment for AMR coders.

Costas S. Xydeas, Fotis Zafeiropoulos

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Total Quality Management for Electronic Educational Markets.

Lampros K. Stergioulas, Hassan Ahmed, Costas S. Xydeas, Bernd Simon

Proceedings of the 2003 IEEE International Conference on Advanced Learning Technologies, 2003

Modeling the Behaviors of Players in Competitive Environments.

Shih-Yang Chiao, Costas S. Xydeas

Proceedings of the 2003 IEEE/WIC International Conference on Intelligent Agent Technology (IAT 2003), 2003

2002

Adaptive Web-based Engine for the Evaluation of eLearning Resources.

Lampros K. Stergioulas, Hassan Ahmed, Costas S. Xydeas

J. Educ. Technol. Soc., 2002

1999

Split matrix quantization of LPC parameters.

Costas S. Xydeas, Charalampos Papanastasiou

IEEE Trans. Speech Audio Process., 1999

Secondary codebook storage quantisation.

Thomas M. Chapman, Costas S. Xydeas

Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

Segmental prototype interpolation coding.

Costas S. Xydeas, Thomas M. Chapman

Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

1998

Multicodebook vector quantization of LPC parameters.

Costas S. Xydeas, Thomas M. Chapman

Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

1997

A novel 1.7/2.4 kb/s DCT based prototype interpolation speech coding system.

Costas S. Xydeas, Gokhan H. Ilk

Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

Efficient mixed excitation models in LPC based prototype interpolation speech coders.

Charalampos Papanastasiou, Costas S. Xydeas

Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996

A comparison of system architectures for intelligent document understanding.

Gary S. D. Farrow, Costas S. Xydeas, John P. Oakley, A. Khorabi, Nuria González-Prelcic

Signal Process. Image Commun., 1996

Pitch synchronous multi-band (PSMB) coding of speech signals.

Haiyun Yang, Soo-Ngee Koh, Pratab Sivaprakasapillai, Costas Xydeas

Speech Commun., 1996

Source driven variable bit rate prototype interpolation coding.

Costas Xydeas, Binshi Cao

Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

Robust speech recognition using fuzzy matrix quantisation, neural networks and Hidden Markov models.

Costas S. Xydeas, Lin Cong

Proceedings of the 8th European Signal Processing Conference, 1996

1995

Model matching in intelligent document understanding.

Gary S. D. Farrow, Costas S. Xydeas, John P. Oakley

Proceedings of the Third International Conference on Document Analysis and Recognition, 1995

Efficient coding of LSP parameters using split matrix quantisation.

Costas S. Xydeas, Charalampos Papanastasiou

Proceedings of the 1995 International Conference on Acoustics, 1995

1994

Detecting the skew angle in document images.

Gary S. D. Farrow, Mark Ireton, Costas S. Xydeas

Signal Process. Image Commun., 1994

Evaluation of an Application-Independent Image Information System.

John P. Oakley, Darryl N. Davis, Richard T. Shann, Costas S. Xydeas

Proceedings of the Storage and Retrieval for Image and Video Databases II, 1994

Conversion of scanned documents to the open document architecture.

Gary S. D. Farrow, Costas S. Xydeas, John P. Oakley

Proceedings of ICASSP '94: IEEE International Conference on Acoustics, 1994

1993

A long history quantization approach to scalar and vector quantization of LSP coefficients.

Costas S. Xydeas, K. K. M. So

Proceedings of the IEEE International Conference on Acoustics, 1993

1992

The Manchester Multimedia Information System.

Carole A. Goble, Michael O'Docherty, Peter Crowther, Mark Ireton, John P. Oakley, Costas S. Xydeas

Proceedings of the Advances in Database Technology, 1992

1991

A novel graph-theoretic texture segmentation algorithm.

H. Ahmed, C. N. Daskalakis, Costas S. Xydeas

Proceedings of the 1991 International Conference on Acoustics, 1991

1989

On improving vector excitation coders through the use of spherical lattice codebooks (SLCs).

Mark Ireton, Costas S. Xydeas

Proceedings of the IEEE International Conference on Acoustics, 1989

1986

Coding Scheme for Scanned Images of Handwriting and Graphics.

Costas S. Xydeas, Murray J. J. Holt

Proceedings of the IEEE International Conference on Communications: Integrating the World Through Communications, 1986

1984

Embedding Data Into Pictures by Modulo Masking.

Costas S. Xydeas, Branko Kostic, Raymond Steele

IEEE Trans. Commun., 1984

Split-Band Coding of Speech Signals Using A Transform Technique.

F. S. Yeoh, Costas S. Xydeas

Proceedings of the IEEE International Conference on Communications: Links for the Future, 1984

1983

Frequency Compression of 7.6 kHz Speech Into 3.3 kHz Bandwidth.

P. J. Patrick, Raymond Steele, Costas S. Xydeas

IEEE Trans. Commun., 1983

Frequency compression of 7.6 kHz speed into 3.3 kHz bandwidth.

P. J. Patrick, Raymond Steele, Costas S. Xydeas

Proceedings of the IEEE International Conference on Acoustics, 1983

1982

Sequential Adaptive Predictors for ADPCM Speech Encoders.

Costas S. Xydeas, Cumhur Cengiz Evci, Raymond Steele

IEEE Trans. Commun., 1982

A comparative study of DPCM-AQF speech coders for bit rates of 16-32 kb/s.

Costas S. Xydeas, Cumhur Cengiz Evci

Proceedings of the IEEE International Conference on Acoustics, 1982

1981

Wideband quality speech encoders with bit rates of 16-32 kbits/s.

P. J. Patrick, Costas S. Xydeas, Raymond Steele, Wai-kuen Cham

Proceedings of the IEEE International Conference on Acoustics, 1981

1980

Envelope Dynamic Ratio Quantizer.

Costas S. Xydeas, M. N. Faruqui, Raymond Steele

IEEE Trans. Commun., 1980

1979

Sequential gradient estimation predictor for speech signals.

Cumhur Cengiz Evci, Raymond Steele, Costas S. Xydeas

Proceedings of the IEEE International Conference on Acoustics, 1979