Artificial Intelligence & Information Analysis

2024

  1. S. Drakakis and C.Kotropoulos, "Applying the Neural Bellman-Ford Model to the Single Source Shortest Path Problem", in Proc. 13th International Conference on Pattern Recognition Applications and Methods, February 24-26, 2024.
  2. D. Kritsiolis and C.Kotropoulos, "Mobile Phone Identification from Recorded Speech Signals Using Non-Speech Segments and Universal Background Model Adaptation", in Proc. 13th International Conference on Pattern Recognition Applications and Methods, February 24-26, 2024.
  3. C. Korgialas, E. Pantraki and C.Kotropoulos, "Interpretable Face Aging: Enhancing Conditional Adversarial Autoencoders with LIME Explanations", in Proc. 2024 IEEE International Conferenc on Acoustics, Speech, and Signal Processing, April 14-19, 2024.
  4. G. Tzolopoulos, C. Korgialas and C.Kotropoulos, "On Spectrogram Analysis in a Multiple Classifier Fusion Framework for Power Grid Classification Using Electric Network Frequency", in Proc. 13th International Conference on Pattern Recognition Applications and Methods, February 24-26, 2024.

2023

  1. C. Korgialas and C.Kotropoulos, "On Robust Electric Network Frequency Detection Using Huber Regression", in Proc. 2023 27th Pan-Hellenic Conf. on Progress in Computing and Informatics with International Participation, November 24-26, 2023.
  2. A. - S. Toufa, I. Tsingalis and C.Kotropoulos, "DualGRETEL+: Exploiting Dual Hypergraphs for Path Inference Applied to Navigation Data", in Proc. 2023 27th Pan-Hellenic Conf. on Progress in Computing and Informatics with International Participation, November 24-26, 2023.
  3. C. Moysiadis, G. Karantaidis and C.Kotropoulos, "Electric Network Frequency Optical Sensing Devices", In Proc. 2023 IARIA Annual Congress on Frontiers in Science, Technology, Services, and Applications, 2023.
  4. A. - S. Toufa, C.Kotropoulos and I. Tsingalis, "Dual Hypergraph Features for Path Inference in Wikipedia Links", in Proc. 2023 International Joint Conference on Neural Networks (IJCNN), pp. 1-7, 2023.
  5. C. Korgialas and C.Kotropoulos, "Electric Network Frequency Detection Using Least Absolute Deviations", In Proc. 2023 IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1-5, 2023.

2022

  1. I. Sarridis, G. Karantaidis and C.Kotropoulos, "Image drive optimal personalized route recommendation", Proceedings of the IEEE 14th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP 2022), 2022.
  2. R. -T. Chadoulis, A. Nikolaou and C.Kotropoulos, "Authorship attribution in Greek literature using word adjacencies", Proceedings of the 12th EETN Conference on Artificial Intelligence (SETN 2022), 2022.

2021

  1. A. - S. Toufa and C.Kotropoulos, "Digit recognition applied to reconstructed audio signals using deep learning", in Proc. 2020 Int. Conf. Pattern Recognition, January 10-15, 2021.
  2. E. Gionanidis, C.Kotropoulos and M. Ntemi, "Opinion recommendation using coverage for adaptive prediction", Proceedings of the 2021 IEEE Workshop Machine Learning for Signal Processing, 2021.
  3. I. Sarridis and C.Kotropoulos, "Neural factorization applied to interaction matrix for recommendation", Proceedings of the 29th European Signal Processing Conference, 2021.
  4. M. Ntemi and C.Kotropoulos, "A multi-step ahead dyadic particle filter for price prediction", Proceedings of the . 29th European Signal Processing Conference, 2021.

2020

  1. E. I. E. Almaloglou, S. Geronikolou, G. Chroussos and C.Kotropoulos, "Design and validation of a new diagnostic tool for the differentiation of pathological voices in Parkinsonian patients", In Proc. 4th IEEE World Congress Genetics, Geriatrics, and Neurodegenerative Diseases (GeNeDis 2020), October 8-11, 2020.
  2. N. Bartziokas, T. Mavropoulos and C.Kotropoulos, "elNER: A dataset for Greek named entity recognition", In Proc. 11th Hellenic Conf. Artificial Intelligence (SETN 2020), pp. 160-167, September 2-4, 2020.

2019

  1. I. Tsingalis and C.Kotropoulos, "A simple algorithm for non-negative sparse principal component analysis", n Proc. 2019 IEEE Int. Conf. Image Processing, pp. 2075-2079, September 22-25, 2019.
  2. E. Pantraki and C.Kotropoulos, "Leveraging Image-to-image Translation Generative Adversarial Networks for Face Aging", Proc. 2019 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), pp. 8370-8374, 2019.
  3. G. Karantaidis, I. Sarridis and C.Kotropoulos, "Block Randomized Optimization for Adaptive Hypergraph Learning", Proc. 2019 IEEE Int. Conf. Image Processing (ICIP), September 22-25, 2019.
  4. G. Karantaidis and C.Kotropoulos, "Efficient Capon-based Approach Exploiting Temporal Windowing for Electric Network Frequency Estimation", Proc. IEEE Int. Workshop Machine Learning for Signal Processing (MLSP), October 13-16, 2019.
  5. M. Ntemi and C.Kotropoulos, "A Dyadic Particle Filter for Price Prediction", Proc. 27th European Signal Processing Conference (EUSIPCO), September 2-6, 2019.
  6. M. Ntemi, C.Kotropoulos and E. Gionanidis, "A Weighted Ordered Probit Collaborative Kalman Filter for Hotel Rating Prediction", Proc. IEEE Int. Workshop Machine Learning for Signal Processing (MLSP), October 13-16, 2019.

2018

  1. E. Pantraki and C.Kotropoulos, "Face Aging as Image-to-image Translation Using Shared-Latent Space Generative Adversarial Networks", Proc. 2018 IEEE Global Conf. Signal and Information Processing (GLOBALSIP), pp. 306-310, November 26-29, 2018.
  2. G. Karantaidis and C.Kotropoulos, "Assessing Spectral Estimation Methods for Electric Network Frequency Extraction", Proc. 22nd Panhellenic Conf. on Informatics, pp. 202-207, November 29-December 1, 2018.
  3. M. Ntemi and C.Kotropoulos, "Prediction Methods for Time Evolving Dyadic Processes", Proc. 26th European Signal Processing Conf., pp. 2606-2610, September 3-7, 2018.

2017

  1. F. Mandanas and C.Kotropoulos, "Using Marginal Median and Block Least Mean Squares in Mobile Adaptive Networks", Proc. IEEE Global Conf. Signal and Information Processing, pp. 211-215, November 14-16, 2017.
  2. F. Mandanas and C.Kotropoulos, "Robust Multidimensional Scaling Employing M-Estimators and Nuclear Norm Regularization", Proc. IEEE Global Conf. Signal and Information Processing, pp. 116-120, November 14-16, 2017.
  3. E. Pantraki and C.Kotropoulos, "Multi-way Regression for Age Prediction Exploiting Speech and Face Image Information", Proc. European Signal Processing Conf. (EUSIPCO), pp. 2260-2264, August 29-September 1, 2017.

2016

  1. A. Chassapi, C.Kotropoulos and K. Pliakos, "Adaptive algorithms for hypergraph learning", Proc. 2016 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, March 20-25, 2016.
  2. E. Fotiadou, N.Bassiou and C.Kotropoulos, "Greek Folk Music Classification Using Auditory Cortical Representations", Proc. 24th European Signal Processing Conf. Budapest, August 28-September 2, 2016.
  3. P. Medentzidou and C.Kotropoulos, "Restoration of Missing Data in Greek Folk Music by Interpolation Techniques", Proc. Digital Media Industry and Academic Forum, pp. 107-112, July 2-4, 2016.
  4. V.Gavriilidis, A.Tefas, C.Kotropoulos and N.Nikolaidis, "Enhanced Similarities for a Music Recommender System", Proc. Digital Media Industry and Academic Forum, pp. 113-116, July 2-4, 2016.
  5. E. Pantraki, C.Kotropoulos and A. Lanitis, "Age and Gender Prediction Using PARAFAC2 Applied to Speech Utterances", Proc. 4th Int. Workshop Biometrics and Forensics, March 3-4, 2016.

2015

  1. P. Barboutis, C.Kotropoulos and K. Pliakos, "Image tag recommendation based on novel tensor structures and their decompositions", Proc. 9th Int. Symposium Signal and Image Processing and Analysis, pp. 9-14, September 7-9, 2015.
  2. N.Bassiou, C.Kotropoulos and A. Papazoglou-Chalikias, "Greek folk music classification into two genres using lyrics and audio via canonical correlation", Proc. 9th Int. Symposium Signal and Image Processing and Analysis, pp. 240-245, September 7-9, 2015.
  3. R. Li, C.Kotropoulos, C.-T. Li and Y. Guan, "Random Subspace Method For Source Camera Identification", Proc. IEEE Int. Workshop Machine Learning for Signal Processing, September 17-20, 2015.
  4. F. Mandanas and C.Kotropoulos, "Correntropy based robust multidimensional scaling applied to faces", Proc. 3th Int. Workshop Biometrics and Forensics, March 3-4, 2015.
  5. F. Mandanas and C.Kotropoulos, "A maximum correntropy criterion for multidimensional scaling", Proc. 2015 IEEE Int. Conf. Audio, Speech, and Signal Processing, pp. 1906-1910, April 19-24, 2015.
  6. P. Medentzidou and C.Kotropoulos, "Video summarization based on shot boundary detection with penalized contrasts", Proc. 9th Int. Symposium Signal and Image Processing and Analysis, pp. 201-205, September 7-9, 2015.
  7. M. Panagopoulos and C.Kotropoulos, "Image tagging using tensor decomposition", Proc. 6th Int. Conf. Information, Intelligence, Systems and Applications (IISA2015), July 6-8, 2015.
  8. E. Pantraki and C.Kotropoulos, "Automatic image tagging and recommendation via PARAFAC2", Proc. IEEE Int. Workshop Machine Learning for Signal Processing, September 17-20, 2015.
  9. K. Pliakos and C.Kotropoulos, "Weight estimation in hypergraph learning", Proc. 2015 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. 1161-1165, April 19-24, 2015.

2014

  1. K. Pliakos and C.Kotropoulos, "PLSA driven image annotation, classification, and tourism recommendation", Proc. 2014 IEEE Int. Conf. Image Processing (ICIP), pp. 3003-3007, October 27-30, 2014.
  2. E. Giouvanakis and C.Kotropoulos, "Boosting the Weights of Positive Words in Image Retrieval", Proc. 22rd European Signal Processing Conf. (EUSIPCO), 2014.
  3. E. Giouvanakis and C.Kotropoulos, "Saliency map driven image retrieval combining the bag of words model and PLSA", Proc. 2014 IEEE Int. Conf. Image Processing, pp. 280-285, August 20-23, 2014.
  4. C.Kotropoulos and K. Pitas, "Subspace clustering applied to face images", Proc. 2nd Int. Workshop Biometrics and Forensics, 2014.
  5. K. Pliakos and C.Kotropoulos, "Personalized music tagging using ranking on hypergraphs", Proc. 2014 Int. Symposium Communications, Control, and Signal Processing, pp. 323-326, May 21-23, 2014.
  6. C.Kotropoulos and S. Samaras, "Mobile phone brand and model identification using recorded speech signals recommendation", 19th International Conference on Digital Signal Processing, pp. 586-591, August 20-23, 2014.
  7. N.Bassiou and C.Kotropoulos, "Musical audio denoising assuming symmetric a-stablenoise", Proc. 40th Int. Computer Music Conf. (ICMC) joint with the 11th Sound & MusicComputing Conf. (SMC), pp. 1404-1401, September 14-20, 2014.
  8. N.Bassiou, C.Kotropoulos and I.Pitas, "Greek folk music denoising under a symmetric a-stable noise assumption", Proc. 10th Int. Conf. Heterogeneous Networking for Quality, Reliability, Security, and Robustness (QSHINE 2014), 2014 (invited).
  9. K. Pliakos and C.Kotropoulos, "Social image search exploiting joint visual-textual information within a fuzzy hypergraph framework", in Proc. IEEE 16th Int. Workshop Multimedia Signal Processing, 2014.
  10. K. Pliakos and C.Kotropoulos, "Simultaneous image tagging and geo-location prediction within hypergraph ranking framework", 2014 IEEE Int. Conf. Audio, Speech, and Signal Processing, pp. 6944-6948, May 4-8, 2014.
  11. K. Pliakos and C.Kotropoulos, "Personalized and geo-referenced image recommendationusing unified hypergraph learning and group sparsity optimization", Proc. 2014 Int. Symposium Communications, Control, and Signal Processing, pp. 323-326, May 21-23, 2014.
  12. K. Pliakos and C.Kotropoulos, "Simultaneous image clustering, classification and annotation for tourism recommendation", Proc. 8th Hellenic Conf. Artificial Intelligence, pp. 630-640, May 15-17, 2014.

2013

  1. A. Theodoridis, C.Kotropoulos and Y.Panagakis, "Music recommendation using hypergraphs and group sparsity", Proc. 2013 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. 56-60, May 26-31, 2013.
  2. N.Bassiou, C.Kotropoulos and E.Koliopoulou, "Symmetric a-stable sparse linear regression for musical audio denoising", Proc. 8th Int. Symposium Image and Signal Processing, and Analysis (ISPA 2013), pp. 375-380, September 4-6, 2013.
  3. E. Giouvanakis, C.Kotropoulos, A. Theodoridis and I.Pitas, "A game with a purpose for annotating Greek folk music in a web content management system", Proc. 18th Int. Conf. Digital Signal Processing, July 1-3, 2013.
  4. C.Kotropoulos, "Telephone Handset Identification Using Sparse Representations of Spectral Feature Sketches", Proc. Int. Workshop Biometrics and Forensics, 4-5 April, 2013.

2012

  1. Y.Panagakis and C.Kotropoulos, "Automatic music tagging by low-rank representation", Proc. IEEE 2012 Int. Conf. Audio, Speech, and Signal Processing, March, 2012.
  2. Y.Panagakis and C.Kotropoulos, "Music Structure Analysis by Subspace Modeling", Proc. 2012 European Signal Processing Conference, pp. 1459-1463, August 27-31, 2012.
  3. Y.Panagakis and C.Kotropoulos, "Automatic Telephone Handset Identification by Sparse Representation of Random Spectral Features", Proc. 14th ACM Workshop on Multimedia and Security, pp. 91-95, September 6-7, 2012.
  4. Y.Panagakis and C.Kotropoulos, "Music Structure Analysis by Ridge Regression of Beat-Synchronous Audio Features", Proc. Music Information Retrieval Conference, pp. 271-276, October 8-12, 2012.
  5. Y.Panagakis and C.Kotropoulos, "Telephone handset identification by feature selection and sparse representations", Proc. 2012 IEEE Int. Workshop Information Forensics and SecuritySecurity, pp. 73-78, December, 2012.

2011

  1. Y.Panagakis and C.Kotropoulos, "Automatic music tagging via PARAFAC2", Proc. 2011 IEEE Int. Conf. Audio, Speech and Signal Processing, pp. 481-484, May, 2011.
  2. Y.Panagakis and C.Kotropoulos, "Automatic music mood classification via low-rank representation", Proc. 19th European Signal Processing Conf., pp. 689-693, August, 2011.
  3. Y.Panagakis, C.Kotropoulos and G.R.Arce, "l1-Graph Based Music Structure Analysis", Proc. 2011 Int. Symposium Music Information Retrieval, pp. 495-500, October, 2011.

2010

  1. N.Bassiou and C.Kotropoulos, "Word clustering using PLSA enhanced with long distance bigrams", Proc. 2010 Int. Conf. Pattern Recognition, pp. 4226-4229, August, 2010.
  2. C.Kotropoulos, G.R.Arce and Y.Panagakis, "Ensemble discriminant sparse projections applied to music genre classification", Proc. 2010 Int. Conf. Pattern Recognition, pp. 823-825, August, 2010.
  3. M.Kotti, F.Patterno and C.Kotropoulos, "Speaker-independent negative emotion recognition", Proc. 2nd Int. Workshop Cognitive Information Processing, pp. 417-422, June, 2010.
  4. Y.Panagakis and C.Kotropoulos, "Music genre classification via topology preserving non-negative tensor factorization and sparse representations", Proc. 2010 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. 249-252, 2010.
  5. Y.Panagakis, C.Kotropoulos and G.R.Arce, "Sparse Multi-label Linear Embedding Within Nonnegative Tensor Factorization Applied to Music Tagging", Proc. 2010 Int. Symposium Music Information Retrieval, pp. 393-398, August, 2010.
  6. Y.Panagakis, C.Kotropoulos and G.R.Arce, "Sparse multi-label linear embedding nonnegative tensor factorization for automatic music tagging", Proc. 2010 European Signal Processing Conf., pp. 492-496, August, 2010.

2009

  1. Y.Panagakis, C.Kotropoulos and G.R.Arce, "Music genre classification via sparse representations of auditory temporal modulations", Proc. 17th European Signal Processing Conf., pp. 1-5, August, 2009.
  2. Y.Panagakis, C.Kotropoulos and G.R.Arce, "Music genre classification using locality preserving non-negative tensor factorization and sparse representations", Proc. 2009 Int. Symposium Music Information Retrieval, pp. 249-254, October, 2009.

2008

  1. E.Benetos and C.Kotropoulos, "A tensor-based approach for automatic music genre classification", Proc. 16th European Signal Processing Conf., August, 2008.
  2. M.Kotti and C.Kotropoulos, "Gender Classification In Two Emotional Speech Databases", Proc. Int. Conf. Pattern Recognition, December, 2008.
  3. P.Moschonas and C.Kotropoulos, "Multimodal Speaker Identification based on Text and Speech", Proc. COST 2101 Workshop Biometrics and Identity Management BioID'2008, vol. LNCS 5372, pp. 100-106, May 7-9, 2008.
  4. Y.Panagakis, E.Benetos and C.Kotropoulos, "Music genre classification: A multilinear approach", Proc. Int. Symposium Music Information Retrieval, pp. 583-588, September, 2008.
  5. D.Spachos, A.Zlantintsi, V.Moschou, P.Antonopoulos, K.Tzimouli, E.Benetos, M.Kotti, C.Kotropoulos, N.Nikolaidis, P.Maragos and I.Pitas, "MUSCLE movie-database: A multimodal corpus with rich annotation for dialogue and Saliency Detection", Proc. LREC 2008 Workshop on Multimodal Corpora, May 26-27, 2008.
  6. D.Ververidis, I.Kotsia, C.Kotropoulos and I.Pitas, "Multi-modal emotion-related data collection within a virtual earthquake emulator", Proc. Of 6th Language Resources and Evaluation Conference, 28-30 May, 2008.

2007

  1. G.Almpanidis and C.Kotropoulos, "Automatic phonemic segmentation using the Bayesian information criterion with generalised Gamma priors", Proc. XV European Signal Processing Conf., pp. 2055-2059, September, 2007.
  2. E.Benetos, M.Kotti and C.Kotropoulos, "Large scale musical instrument identification", Proc. 4th Sound and Music Computing Conference, pp. 283-286, July, 2007.
  3. M.Kotti, E.Benetos and C.Kotropoulos, "Neural network-based movie dialogue detection", Proc. 2007IEEE Engineering Applications of Neural Networks, pp. 380-386, 29-31 August, 2007.
  4. V.Moschou, M.Kotti, E.Benetos and C.Kotropoulos, "Systematic comparison of BIC-based speaker segmentation systems", Proc. 2007 IEEE Multimedia Signal Processing Conf., pp. 66-69, October 1-3, 2007.
  5. M.Sedaaghi, D.Ververidis and C.Kotropoulos, "Improving speech emotion recognition using adaptive genetic algorithms", Proc. XV European Signal Processing Conf., pp. 2209-2213, 2007.
  6. M.Sedaaghi, C.Kotropoulos and D.Ververidis, "Using adaptive genetic algorithms to improve speech emotion recognition", Proc. 2007 IEEE Multimedia Signal Processing Conf., pp. 461-464, October 1-3, 2007.
  7. D.Ververidis and C.Kotropoulos, "Accurate estimate of the cross-validated prediction error variance in Bayes classifiers", Proc. of Machine Learning for Signal Processing (MLSP), pp. 354-359, August 27-29, 2007.

2006

  1. G.Almpanidis and C.Kotropoulos, "Voice activity detection using the generalized Gamma distribution", Proc. of 4th Panhellenic Artificial Intelligence Conf. (SETN-06), pp. 961-964, May 19-20, 2006.
  2. G.Almpanidis and C.Kotropoulos, "Voice activity detection with generalized Gamma distribution", Proc. of 2006 IEEE Int. Conf. on Multimedia and Expo (ICME 2006), 9-12 July, 2006.
  3. G.Almpanidis and C.Kotropoulos, "Phoneme segment boundary detection based on the generalized Gamma distribution", Proc. of 2006 Int. Symposium on Industrial Electronics (ISIE 2006), pp. 691-695, 9-13 July, 2006.
  4. N.Bassiou and C.Kotropoulos, "Color histogram equalization using probability smoothing", Proc. of XIV European Signal Processing Conf. (EUSIPCO 2006), 4-8 September, 2006.
  5. E.Benetos, M.Kotti and C.Kotropoulos, "Application of non-negative matrix factorization to musical instrument classification", Proc. of Int. Symposium Communications, Control and Signal Processing, (ISCCSP 2006), 13-15 March, 2006.
  6. E.Benetos, M.Kotti and C.Kotropoulos, "Musical instrument classification using non-negative matrix factorization algorithms", Proc. of IEEE Int. Symposium Circuits & Systems (ISCAS 2006), 21-24 May, 2006.
  7. E.Benetos, M.Kotti and C.Kotropoulos, "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), vol. V., pp. 221-224, 14-19 May, 2006.
  8. E.Benetos, M.Kotti and C.Kotropoulos, "Applying supervised classifiers based on non-negative metrix factorization to musical instrument classification", Proc. 2006 IEEE Int. Conf. Multimedia and Expo, pp. 2105-2108, 9-12 July, 2006.
  9. E.Benetos, C.Kotropoulos, T.Lidy and A.Rauber, "Testing supervised classifiers based on non-negative metrix factorization to musical instrument classification", Proc. of European Signal Processing Conf. (EUSIPCO 2006), 4-8 September, 2006.
  10. C.Kotropoulos and V.Moschou, "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), vol. V, pp. 725-728, 14-19 May, 2006.
  11. C.Kotropoulos and A.Papaioannou, "A novel-updating scheme for probabilistic latent semantic indexing", Proc. of 4th Panhellenic Artificial Intelligence Conf. (SETN-06), vol. LNAI 3966, pp. 137-147, May 19-20, 2006.
  12. M.Kotti, E.Benetos, C.Kotropoulos and L.G.Martins, "Speaker Change Detection using BIC: A comparison on two datasets", Proc. of Int. Symposium Communications, Control and Signal Processing, 2006 (ISCCSP 2006), 13-15 March, 2006.
  13. M.Kotti, E.Benetos and C.Kotropoulos, "Automatic Speaker Change Detection with the Bayesian Information Criterion using MPEG-7 Features and a Fusion Scheme", Proc. of IEEE Int. Symposium Circuits & Systems(ISCAS 06), 21-24 May, 2006.
  14. M.Kotti, L.Gustavo, P.M.Martins, E.Benetos, J.S.Cardoso and C.Kotropoulos, "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), Toronto, pp. 1101-1104, 9-12 July, 2006.
  15. M.Kotti, C.Kotropoulos, B.Ziolko, I.Pitas and V.Moschou, "A framework for dialogue detection in movies", Lecture Notes in Computer Science, Multimedia Content Representation, Classification, and Security, vol. 4105, pp. 371-378, September 11-13, 2006.
  16. V.Moschou, D.Ververidis and C.Kotropoulos, "On the variants of the self-organizing map that are based on order statistics", Proc. of Int. Conf. on Artificial Neural Networks (ICANN 2006), pp. 425-434, September, 2006.
  17. D.Ververidis and C.Kotropoulos, "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), 4-8 September, 2006.
  18. M.Haindl, P.Somol, D.Ververidis and C.Kotropoulos, "Feature Selection Based on Mutual Correlation", Lecture Notes in Computer Science, Progress in Pattern Recognition, Image Analysis, and Applications, vol. 4225, pp. 569-577, November, 2006.
  19. E.Ziogas and C.Kotropoulos, "Detection of vocal fold paralysis and edema using linear discriminant classifiers", Proc. of 4th Panhellenic Artificial Intelligence Conf. (SETN-06), vol. LNAI 3966, pp. 454-464, May 19-20, 2006.

2005

  1. F.Albu and C.Kotropoulos, "Modified Gauss-Seidel affine projection algorithm for acoustic echo cancellation", Proc. of 2005 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, vol. 3, pp. 121-124, 18-23 March, 2005.
  2. F.Albu and C.Kotropoulos, "Coordinate descent iterations in pseudo affine projection algorithm", Proc. of 2005 IEEE Int. Symp. Circuits and Systems, pp. 2283-2286, 23-26 May, 2005.
  3. F.Albu, C.Kotropoulos, Z.Cernekova and I.Pitas, "New affine projection algorithms based on Gauss-Seidel method", Proc. of 2005 IEEE Int. Symp. Signals, Circuits, and Systems (ISSCS 2005), pp. 565-568, July, 2005.
  4. G.Almpanidis and C.Kotropoulos, "Combined text and link analysis for focused crawling", Proc. of Int. Conf. Advances in Pattern Recognition (ICAPR 2005), vol. LNCS 3686, part I, pp. 278-287, August, 2005.
  5. G.Almpanidis, C.Kotropoulos and I.Pitas, "Focused crawling using latent semantic indexing- An application for vertical search engines", Proc. of 2005 European Conf. Digital Libraries (ECDL 2005), vol. LNCS 3652, pp. 402-413, September, 2005.
  6. N.Bassiou and C.Kotropoulos, "Interpolated Distanced Bigram Language Models for Robust Word Clustering", Proc. of IEEE Int. Workshop on Nonlinear Signal and Image Processing (NSIP 2005), 18-20 May, 2005.
  7. E.Benetos, M.Kotti, C.Kotropoulos, J.J.Burred, G.Eisenberg, M.Haller and T.Sikora, "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), October, 2005.
  8. Z.Cernekova, C.Kotropoulos, N.Nikolaidis and I.Pitas, "Video shot segmentation using fusion of SVD and mutual information features", Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS 2005), pp. 3849-3852, 23-26 May, 2005.
  9. P.Rotter, A.Skulimowski, C.Kotropoulos and I.Pitas, "Fast shape matching with the Haussdorff distance for pixel-represented objects", Proc. of MIRAGE 2005, 1-2 March, 2005.
  10. D.Ververidis and C.Kotropoulos, "Emotional speech classification using Gaussian mixture models", Proc. of 2005 IEEE Int. Symposium Circuits and Systems (ISCAS 2005), pp. 2871-2874, May, 2005.
  11. D.Ververidis and C.Kotropoulos, "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), 6-8 July, 2005.
  12. D.Ververidis and C.Kotropoulos, "Sequential Forward Feature Selection with Low Computational Cost", Proc. of 8th European Signal Processing Conf., 4-8 September, 2005.

2004

  1. M.Kyperountas, Z.Cernekova, C.Kotropoulos, M.Gavrielides and I.Pitas, "Audio PCA in a novel multimedia scheme for scene change detection", Proc. of ICASSP 2004, vol. IV, pp. 353-356, May, 2004.
  2. M.Kyperountas, Z.Cernekova, C.Kotropoulos, M.Gavrielides and I.Pitas, "Scene change detection using audiovisual clues", Proc. of Norwegian Conf. on Image Processing and Pattern Recognition (NOBIM 2004), 27-28 May, 2004.
  3. C.Laftsidis, C.Kotropoulos and I.Pitas, "MPEG-4 compliant reproduction of face animation created in MAYA", Proc. of 2004 IEEE Int. Conf. Multimedia and Expo (ICME '04), 27-30 June, 2004.
  4. M.Marinaki, C.Kotropoulos, I.Pitas and N.Maglaveras, "Automatic detection of vocal fold paralysis and edema", Proc. of 8th Int. Conf. Spoken Language Processing (INTERSPEECH 2004), pp. 537-540, October, 2004.
  5. A.Markoulidis, A.Tefas, C.Kotropoulos and I.Pitas, "Turning a frontal face verification technique to a system prototype", CD-ROM Proc. of 2nd COST275 Workshop Biometrics on the Internet, 2004.
  6. R.Rispoli, C.Kotropoulos and I.Pitas, "Searching relevant syllable context by clustering for alignment in modern Greek speech", Proc. of 2004 IEEE Int. Conf. Multimedia and Expo (ICME '04), 2004.
  7. R.Rispoli, C.Kotropoulos and I.Pitas, "Towards a New Architecture for Computerized Greek Speech Phonetic Alignment", Proc. 24th Annual Workshop Linguistics, 2004 (abstract).
  8. D.Ververidis, C.Kotropoulos and I.Pitas, "Automatic emotional speech classification", Proc. of ICASSP 2004, vol. I, pp. 593-596, May, 2004.
  9. D.Ververidis and C.Kotropoulos, "Automatic speech classification to five emotional states based on gender information", Proc. XII European Signal Processing Conf., pp. 341-344, September, 2004.

2003

  1. I.Buciu, C.Kotropoulos and I.Pitas, "ICA and Gabor representation for facial expression recognition", Proc. of 2003 IEEE Int. Conf. Image Processing, vol. 2, pp. 855-858, September, 2003.
  2. Z.Cernekova, C.Kotropoulos and I.Pitas, "Video Shot Segmentation using Singular Value Decomposition", Proc. of 2003 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, vol. III, pp. 181-184, April, 2003 (appears also in Proc. IEEE Multimedia and Expo 2003, pp. 301-304, Baltimore, July 2003).
  3. Z.Cernekova, C.Kotropoulos and I.Pitas, "Video Shot Boundary Detection using Singular Value Decomposition", Proc. of 4th European Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS-2003), April, 2003.
  4. A.Georgakis, C.Kotropoulos and I.Pitas, "A combination of R-estimates and Wilcoxon test for document organization and retrieval", Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, May, 2003.
  5. C.Kotropoulos, A.Fazekas and I.Pitas, "Fast multiscale mathematical morphology for frontal face authentication", Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, May, 2003.
  6. G.Kovasznai, C.Kotropoulos and I.Pitas, "CAML- A Universal Configuration Language for Dialogue Systems", Proc. of 2003 Database and Expert Systems Applications (DEXA), pp. 896-906, September, 2003.
  7. G.Kovasznai, C.Kotropoulos and I.Pitas, "A novel Universal Language for Configurating Dialogue Systems", Proc. of 9th Panhellenic Conf. on Informatics (PCI `03), pp. 36-45, 21-23 November, 2003.
  8. G.Kovasznai, C.Kotropoulos and I.Pitas, "Partly specified priority patterns in natural language parsing within dialog systems", Proc. of 1st Int. Workshop RichMedia, pp. 161-168, October, 2003.
  9. C.Laftsidis, C.Kotropoulos and I.Pitas, "MPEG-4 Compliant Information Extraction from an Animated Face in Maya", Proc. of 1st Richmedia Conf., pp. 131-137, October, 2003.
  10. D.Ververidis and C.Kotropoulos, "A Review of Emotional Speech Databases", Proc. of 9th Panhellenic Conf. on Informatics (PCI `03), pp. 560-574, 21-23 November, 2003.
  11. D.Ververidis and C.Kotropoulos, "A State of the Art Review on Emotional Speech Databases", Proc. of 1st Richmedia Conf., pp. 109-119, October, 2003.

2002

  1. I.Buciu, C.Kotropoulos and I.Pitas, "On the stability of support vector machines for face detection", Proc. of 2002 IEEE Int. Conf. on Image Processing, vol. 3, pp. 121-124, 2002.
  2. I.Buciu, C.Kotropoulos and I.Pitas, "Face detection by using Independent Component Decomposition", Proc. of Dynamic Perception 2002, pp. 247-252, 2002.
  3. J.-L.Dugelay, J.-C.Junqua, C.Kotropoulos, R.Kuhn, F.Perronnin and I.Pitas, "Recent advances in biometric person authentication", Proc. of 2002 Int. Conf. On Acoustics,Speech and Signal Processing, vol. 4, pp. 4060-4063, 2002.
  4. A.Fazekas, I.Buciu, C.Kotropoulos and I.Pitas, "Support vector machines for face detection", Proc. of the Hungarian Conf. on Pattern Recognition, January, 2002.
  5. A.Georgakis, C.Kotropoulos and I.Pitas, "A SOM variant based on the Wilcoxon test for document organization and retrieval", Lecture Notes in Computer Science: 2002 Int. Conf. on Artificial Neural Networks Berlin: Springer-Verlag, vol. 2415, pp.993-998, 2002.
  6. M.Gordan, C.Kotropoulos and I.Pitas, "A Temporal network of support vector machine classifiers for the recognition of visual speech, in Lecture Notes in Artificial Intelligence", Lecture Notes in Artificial Intelligence, Proceedings SETN-02, vol. 2308, pp. 355-365, April, 2002.
  7. M.Gordan, C.Kotropoulos, A.Georgakis and I.Pitas, "A new fuzzy C-means based segmentation strategy. Applications to lip region identification", Proc. of A&QT-R 2002(THETA 13) 2002 IEEE TTTC Int. Conf. on Automation, Quality and Testing, Robotics, 23-25 May, 2002.
  8. M.Gordan, C.Kotropoulos and I.Pitas, "Visual speech recognition using support vector machines", Proc. of the 14th Int. Conf. on Digital Signal Processing, vol. 2, pp. 1093-1096, July, 2002.
  9. M.Gordan, C.Kotropoulos and I.Pitas, "Application of support vector machines classifiers to visual speech recognition", Proc. of 2002 IEEE Int. Conf. on Image Processing, vol. 3, pp. 129-132, 2002.
  10. C.Kotropoulos and I.Pitas, "Signal detection using support vector machines in the presence of ultrasonic speckle", Proc. of SPIE Int. Symp. on Medical Imaging 2002, vol. SPIE 4687, February, 2002.
  11. E.Loutas, C.Kotropoulos, N.Bassiou and I.Pitas, "Frontal face detection algorithms based on support vector machines and maximum likehood", CD-ROM Proc. of COST-275 Workshop: The Advent of Biometric over the Internet, pp. 61-64, November, 2002.
  12. A.Xafopoulos, C.Kotropoulos, and I.Pitas, "Language identification of web documents using discrete HMMs", Proc. of the 2nd Hellenic Conf. on Artificial Intelligence (SETN '02), pp. 269-280, April, 2002.

2001

  1. N.Bassiou, C.Kotropoulos, T.Kosmidis and I.Pitas, "Frontal face detection using support vector machines and back-propagation neural networks", Proc. of the 2001 IEEE Int. Conf. on Image Processing, pp. 1026-1029, October, 2001.
  2. N.Bassiou, C.Kotropoulos and I.Pitas, "Hierarchical word clustering for relevance judgements", Proc. of Workshop on Pattern Recognition in Information Systems (PRIS'01), pp. 139-148, 6-7 July, 2001.
  3. I.Buciu, C.Kotropoulos and I.Pitas, "Combining support vector machines for accurate face detection", Proc. of IEEE Int. Conf. on Image Processing (ICIP 2001), vol. 1, pp. 1054-1057, 7-10 October, 2001.
  4. A.Fazekas, C.Kotropoulos, I.Buciu and I.Pitas, "Support vector machines on the space of Walsh functions and their properties", Proc. of 2nd Int. Symposium on Image and Signal Processing and Analysis (ISPA 2001), pp. 43-48, 19-21 June, 2001.
  5. A.Fazekas, C.Kotropoulos, I.Buciu and I.Pitas, "Face detection by Support Vector Machines in the Walsh transform domain", Proc. 8th Panhellenic Informatics Conf., vol. 2, pp. 156-164, November, 2001.
  6. A.Georgakis, C.Kotropoulos and I.Pitas, "Organization and retrieval of touristic information with statistical language engineering techniques", Proc. 21st Annual Workshop Linguistics, pp. 110-120, 2001 (in Greek).
  7. A.Georgakis, C.Kotropoulos, N.Bassiou and I.Pitas, "HYPERGEO: A data organization and retrieval system for tourist information", Proc. of 2001 IASTED Int. Conf. Applied Informatics (AI 2001), pp. 719-724, 19-22 February, 2001.
  8. A.Georgakis, C.Kotropoulos, A.Xafopoulos and I.Pitas, "MM-WEBSOM: A variant of WEBSOM based on order statistics", CD-ROM Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, June, 2001.
  9. A.Georgakis, C.Kotropoulos, A.Xafopoulos and I.Pitas, "Document organization and retrieval using self-organizing maps and statistical language modeling", Proc. of Workshop on Pattern Recognition in Information Systems, pp. 149-160, July, 2001.
  10. M.Gordan, C.Kotropoulos and I.Pitas, "Pseudoautomatic Lip Contour Detection Based on Edge Direction Patterns", Proc. of 2nd IEEE R8 - EURASIP Symposium on Image and Signal Processing and Analysis(ISPA'01), pp.138-143, 19-21 June, 2001.
  11. M.Gordan, C.Kotropoulos and I.Pitas, "Application of directional statistics to gradient-based lip-contour extraction for speechreading", Proc. 8th Panhellenic Informatics Conf., vol. 2, pp. 223-232, November, 2001.
  12. C.Kotropoulos, N.Bassiou, T.Kosmidis and I.Pitas, "Frontal face detection using support vector machines and back-propagation neural networks", Proc. of 2001 Scandinavian Conf. on Image Analysis (SCIA'01), pp. 199-206, 11-14 June, 2001.
  13. C.Kotropoulos and I.Pitas, "Eigenvalue distribution of the correlation matrix in Ll-filters", CD-ROMProc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, June, 2001.
  14. C.Kotropoulos and I.Pitas, "Theoretical analysis of Lp mean comparators", CD-ROM Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, June, 2001.
  15. C.Kotropoulos, P.Mavrommatides and I.Pitas, "Phones and phonemes in Modern Greek Language", Proc. 21st Annual Workshop Linguistics, Aristotle Univ. of Thessaloniki, pp. 315-326, 2001 (in Greek).
  16. S.Tsekeridou, C.Kotropoulos, A.Xafopoulos and I.Pitas, "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, vol. II, pp. 13-16, August, 2001.

2000

  1. C.Kotropoulos and I.Pitas, "On the theoretical properties of L_p mean comparators", Proc. of EURASIP European Signal Processing Conf. (EUSIPCO 2000), pp. 2405-2408, 4-8 September, 2000.
  2. J.Matas, M.Hamouz, K.Jonsson, J.Kittler, Y.Li, C.Kotropoulos, A.Tefas, I.Pitas, T.Tan, H.Yan, F.Smeraldi, J.Bigun, N.Capdevielle, W.Gerstner, S.Ben-Yacoub, Y.Abdelaoued and E.Mayoraz, "Comparison of face verification results on the XM2VTS database", Proc. of 2000 Int. Conf. on Pattern Recognition, vol. 4, pp. 858-863, 2000.
  3. A.Tefas, C.Kotropoulos and I.Pitas, "Face authentication by using elastic graph matching and Support Vector Machines", Proc. 2000 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, vol. IV, pp. 2409-2412, 5-9 June, 2000.
  4. A.Tefas, C.Kotropoulos and I.Pitas, "Using Support Vector Machines for Face authentication based on elastic graph matching", CD-ROM Proc. of IEEE Int. Conf. on Image Processing (ICIP'2000), vol. 1, pp. 29-32, 10-13 September, 2000.

1999

  1. C.Kotropoulos and I.Pitas, "Intelligence in modern communication systems", Proc. of Int. COST 254 Workshop on Intelligenct Communication Technologies and Applications, with Emphasis on Mobile Communications, pp. 1-12, May, 1999.
  2. C.Kotropoulos, A.Tefas and I.Pitas, "Morphological elastic graph matching applied to frontal face authentication under optimal and real conditions", Proc. of IEEE Int. Conf. on Multimedia Computing and Systems (ICMCS'99), pp. 934-938, 7-11 June, 1999.
  3. C.Kotropoulos, A.Tefas, I.Pitas, C.Fernandez and F.Fernandez, "Performance assessment of morphological dynamic link architecture under optimal and real operating conditions", Proc. of IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), pp.355-359, 20-23 June, 1999.
  4. G.Richard, Y.Menguy, I.Guis, N.Suaudeau, J.Boudy, P.Lockwood, C.Fernandez, F.Fernandez, C.Kotropoulos, A.Tefas, I.Pitas, R.Heimgartner, P.Ryser, C.Beumier, S.Pigeon, G.Matas, J.Kittler, J.Bigun, Y.Abdeljaoued, E.Meurville, L.Besacier, G.Maitre, J.Luettin, S.Ben-Yacoub and B.Ruiz, "Multi Modal Verification for Teleservices and Security Applications(M2VTS)", Proc. of IEEE Int. Conf. on Multimedia Computing and Systems 1999 (ICMCS'99), pp. 1061-1063, 7-11 June, 1999.
  5. A.Tefas, Y.Menguy, C.Kotropoulos, G.Richard, I.Pitas and P.Lockwood, "Compensating for variable recording conditions in frontal face authentication algorithms", Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'99), vol. 6, pp. 3561-3564, 15-19 March, 1999.
  6. A.Tefas, C.Kotropoulos and I.Pitas, "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), 5-16 July, 1999.

1998

  1. C.Kotropoulos, A.Tefas and I.Pitas, "Face Authentication using Variants of Elastic Graph Matching based on Mathematical Morphology that incorporate Local Discriminant Coefficients", Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'98), pp. 3729-3732, 12-15 May, 1998.
  2. C.Kotropoulos, S.Tsekeridou, M.Gabrani and I.Pitas, "Adaptive LMS Order Statistic Filters with Variable Step-sizes", Proc. of IEEE Int. Conf. on Telecommunications (ICT'98), vol. 1, pp. 465-469, 22-25 June, 1998.
  3. C.Kotropoulos and I.Pitas, "Linear Projection Algorithms and Morphological Dynamic Link Architecture for Frontal Face Authentication", Proc. of European Signal Processing Conf. (EUSIPCO'98), vol. 1, pp. 299-302, 8-11 September, 1998.
  4. C.Kotropoulos, A.Tefas and I.Pitas, "Frontal Face Authentication using Variants of Dynamic Link Matching based on Mathematical Morphology", Proc. of IEEE Int. Conf. on Image Processing (ICIP'98), vol. 1, pp. 122-126, 4-7 October, 1998.
  5. A.Tefas, C.Kotropoulos and I.Pitas, "Face Verification based on Morphological Shape Decomposition", Proc. of IEEE Third Int. Conf. on Automatic Face and Gesture Recognition (FG'98), pp. 36-41, 14-16 April, 1998.
  6. A.Tefas, C.Kotropoulos and I.Pitas, "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), vol. 1, pp. 814-819, 23-25 June, 1998.
  7. S.Tsekeridou, C.Kotropoulos and I.Pitas, "Morphological Signal Adaptive Median Filter for Still Image and Image Sequence Filtering", Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS'98), vol. 4, pp. 21-24, 31 May-3 June, 1998.

1997

  1. E.Kofidis, S.Theodoridis, C.Kotropoulos and I.Pitas, "Applications of Neural Networks and Order Statistic Filters to Speckle Noise Reduction in Remote Sensing Imaging", Neurocomputation in Remote Sensing Data Analysis: Proceedings of Concerted Actions (COMPARES) (I. Kanellopoulos, G. G. Wilikinson, F. Roli, and J. Austin, Eds.), 1997.
  2. C.Kotropoulos, I.Pitas, S.Fischer and B.Duc, "Face authentication using Morphological Dynamic Link Architecture", Lecture Notes on Computer Science: Proceedings of the First Conf. Audio- and Video- based Biometric Person Authentication (J. Bigun, G. Chollet and G. Borgefors, Eds.), vol. 1206, pp. 169-176, 12-14 March, 1997.
  3. C.Kotropoulos and I.Pitas, "Rule-based face detection in frontal views", Proc. of 1997 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'97), vol. 4, pp. 2537-2540, 20-24 April, 1997.
  4. C.Kotropoulos, M.Gabrani and I.Pitas, "Constrained Adaptive Multichannel {L}-filters", Proc. of 13th Int. Conf. on Digital Signal Processing (DSP'97), pp. 279-283, 2-4 July, 1997.
  5. C.Kotropoulos, A.Tefas and I.Pitas, "Face Authentication based on Morphological Shape Decomposition", Proc. of IEE Conf. on Image Processing and its Applications (IPA'97), pp. 794-798, July, 1997.
  6. C.Kotropoulos and I.Pitas, "Face Verification based on Morphological Dynamic Link Architecture", CD-ROM Proc. of IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), 8-10 September, 1997.
  7. C.Kotropoulos, M.Gabrani and I.Pitas, "Adaptive Multichannel {L}-filters with Structural Constraints", CD-ROM Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), 7-11 September, 1997.
  8. C.Kotropoulos and I.Pitas, "Face Authentication based on Morphological Grid Matching", Proc. of 1997 IEEE Conf. on Image Processing (ICIP'97), vol. 1, pp. 105-108, 26-29 October, 1997.
  9. A.Nikolaidis, C.Kotropoulos and I.Pitas, "Facial feature extraction using Adaptive Hough Transform, template matching and active contour models", Proc. of 13th Int. Conf. on Digital Signal Processing (DSP'97), pp. 865-868, 2-4 July, 1997.
  10. I.Pitas, C.Kotropoulos, N.Nikolaidis and A.Bors, "Robust and Adaptive Techniques in Self-Organising Neural Networks", Nonlinear Analysis, Theory, Methods & Applications: Proc. of the Second World Congress of Nonlinear Analysts, pp. 4517-4528, 1997.

1996

  1. C.Kotropoulos, I.Pitas and M.Gabrani, "Multichannel adaptive L-filters in color image processing", Proc. of the IEEE Int. Conf. on Image Processing (ICIP '96), vol. 1, pp. 989-992, 16-19 September, 1996.
  2. S.Tsekeridou, C.Kotropoulos and I.Pitas, "Morphological Signal Adaptive Median Filter for Noise Removal", Proc. of 1996 Int. Conf. on Electronics, Circuits and Systems (ICECS'96), vol. 1, pp. 191-194, 13-16 October, 1996.

1994

  1. M.Gabrani, C.Kotropoulos and I.Pitas, "Cellular adaptive LMS L-filters for noise suppression in still images and image sequences", Proc. of the IEEE Int. Conf. on Image Processing (ICIP '94), pp. I-358-I-361, November, 1994.
  2. E.Kofidis, S.Theodoridis, C.Kotropoulos and I.Pitas, "Segmentation-based L-filtering of speckle-noise in ultrasonic images", Proc. of the SPIE Symposium on Electronic Imaging Science and Technology:Nonlinear Image Processing V, vol. 2180, February, 1994.
  3. C.Kotropoulos and I.Pitas, "Multichannel L-filter design based on marginal data ordering", Proc. of the IEEE Int. Conf. on Acoustics,Speech and Signal Processing, pp. III-93--III-96, April, 1994.
  4. C.Kotropoulos, I.Pitas and M.Gabbouj, "Marginal median Learning Vector Quantizer", Proc. of the European Signal Processing Conf. (EUSIPCO '94), pp. 1496-1499, August, 1994.
  5. C.Kotropoulos and I.Pitas, "Adaptive LMS L-filters for smoothing noisy images", Proc. of the Int. Conf. on Pattern Recognition (ICPR' 94), pp. 181-183, October, 1994.
  6. I.Pitas, C.Kotropoulos, N.Nikolaidis, R.Yang and M.Gabbouj, "A class of order statistics Learning Vector Quantizers", Proc. of the IEEE Int. Symposium on Circuits and Systems (ISCAS 94), pp. 387-390, May, 1994.
  7. R.Yang, M.Gabbouj, I.Pitas and C.Kotropoulos, "A class of Robust Learning Vector Quantizers", Signal Processing VII: Theories and Applications, pp. 564-567, August, 1994.

1993

  1. C.Kotropoulos, I.Pitas and A.Maglara, "Voronoi Tessellation and Delauney Triangulation using Euclidean Disk Growing in Z^2", Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 29-32, April, 1993.
  2. C.Kotropoulos and I.Pitas, "Multichannel L-filters based on M-ordering", Proc. of the IEEE Winter Workshop on Nonlinear Digital Signal Processing, pp. 1.2-3.1--1.2-3.6, 1993.
  3. C.Kotropoulos and I.Pitas, "Error-analysis of recursive algorithms for computing the correlation matrix of the order statistics", Proc. of the IEEE Winter Workshop on Nonlinear Digital Signal Processing, pp. 6.2-1.1-6.2-1.6, 1993.
  4. C.Kotropoulos, I.Pitas, X.Magnisalis and M.G.Strintzis, "A variant of Learning Vector Quantizer based on the L_2 mean for segmentation of ultrasonic images", Proc. of the IEEE Int. Symposium on Circuits and Systems, pp. 679-682, 1993.
  5. C.Kotropoulos and I.Pitas, "A variant of Learning Vector Quantizer based on split-merge statistical tests", Proc. of Lecture Notes in Computer Science:Computer Analysis of Images and Patterns (D. Chetverikov and W. G. Kropatsch, eds.), pp. 822-829, 1993.
  6. C.Kotropoulos, X.Magnisalis, I.Pitas and M.G.Strintzis, "Signal-adaptive maximum likelihood filtering of ultrasonic speckle", Proc. of the European Conf. on Circuit Theory and Design (ECCTD '93), pp. 1635-1638, 1993.
  7. C.Kotropoulos and I.Pitas, "Split-merge Learning Vector Quantizer algorithm", Proc. of the European Conf. on Circuit Theory and Design (ECCTD '93), pp. 465-468, 1993.

1992

  1. C.Kotropoulos, E.Auge and I.Pitas, "Two layer Learning Vector Quantizer for color image quantization", Proc. of Signal Processing VI: Theories and Applications, pp. 1177-1180, 1992.
  2. M.G.Strintzis, X.Magnisalis, C.Kotropoulos, I.Pitas and N.Maglaveras, "Maximum likelihood signal-adaptive filtering of speckle in ultrasound B-mode images", Proc. of IEEE Int. Conf. on Engineering in Medicine and Biology Society Conf. (EMBS '92), pp. 1870-1871, November, 1992.

1991

  1. C.Kotropoulos and I.Pitas, "Design of the constrained adaptive LMS L-filters", Proc. of the IEEE Mediterranean Electrotechnical Conf. (MELECON '91), pp. 379-382, May, 1991.
  2. C.Kotropoulos and I.Pitas, "Constrained adaptive LMS L-filters", Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 1665-1668, 1991.
  3. C.Kotropoulos and I.Pitas, "Nonlinear filtering of speckle noise in ultrasonic images", Proc. of Computer Analysis of Images and Patterns Conf. (CAIP '91), pp. 118-123, 1991.
  4. X.Magnisalis, C.Kotropoulos, I.Pitas and M.G.Strintzis, "Use of fractal dimension in signal-adaptive filters for speckle reduction in ultrasound B-mode images", Proc. of the 10th Int. Congress for Medical Informatics (MIE '91), pp. 550-554, 1991.
  5. I.Pitas, A.Maglara and C.Kotropoulos, "Morphological Voronoi tessellation and Delauney triangulation", Proc. of Computer Analysis of Images and Patterns Conf. (CAIP '91), pp. 184-189, 1991.

1990

  1. C.Kotropoulos and I.Pitas, "Texture description rules for geophysical image segmentation", Proc. of Signal Processing V: Theories and Applications, pp. 597-600, 1990.

1989

  1. C.Kotropoulos, I.Pitas and P.Tyraskis, "Segmentation of seismic images", Proc. 1st Hellenic Conf. Geophysics, pp. 112-122, 1989 (in Greek).
  2. I.Pitas and C.Kotropoulos, "Texture analysis and segmentation of seismic images", Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 1337-1340, 1989.

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