Artificial Intelligence & Information Analysis

2023

  1. C. Symeonidis, I. Mademlis, I.Pitas and N.Nikolaidis, "Neural attention-driven Non Maximum Suppression for person detection", IEEE Transactions on Image Processing, vol. 32, pp. 2454-2467, 2023 (Code).
  2. I. Mademlis, G. Voulgaris and I.Pitas, "Fast multidimensional scaling on big geospatial data using neural networks", Springer Earth Science Informatics, 2023.
  3. I. Mademlis, C. Symeonidis, A.Tefas and I.Pitas, "Vision-based drone control for autonomous UAV cinematography", Springer Multimedia Tools and Applications, 2023.
  4. G. Bouchagiar, V. Mygdalis and I.Pitas, "PRIVACY-SHIELDING AUTONOMOUS SYSTEMS FOR NATURAL DISASTER MANAGEMENT (NDM): Targeted Regulation of the use of Autonomous Systems for Natural Disaster Management Goals before the Materialization of the Privacy Harm", European Public Law 29, no. 4 (2023): 355–370, 2023 (© 2023 Kluwer Law International BV, The Netherlands).

2022

  1. V. Mygdalis and I.Pitas, "Hyperspherical class prototypes for adversarial robustness", Pattern Recognition, vol 125, pp 108527, 2022.
  2. I. Mademlis, A. Torres-Gonzalez, J. Capitan, M. Montagnuolo, A. Messina, F. Negro, C. Le Barz, T. Goncalves, R. Cunha, B. Guerreiro, F. Zhang, S. Boyle, G. Guerout, A.Tefas, N.Nikolaidis, D. Bull and I.Pitas, "A multiple-UAV architecture for autonomous media production", Springer Multimedia Tools and Applications, pp. 1-30, 2022.
  3. D. Karamouzas, I. Mademlis and I.Pitas, "Public opinion monitoring through collective semantic analysis of tweets", Springer Social Network Analysis and Mining, 2022.
  4. C. Papaioannidis, I. Mademlis and I.Pitas, "Fast CNN-based Single-Person 2D Human Pose Estimaton for Autonomous Systems", IEEE Transactions on Circuits and Systems for Video Technology, vol. 33, no. 3, pp. 1262-1275, 2022.

2021

  1. R. Fan, H. Wang, B. Xue, H. Huang, Y. Wang, M.Liu and I.Pitas, "Three-filters-to-normal: An accurate and ultrafast surface normal estimator", IEEE Robotics and Automation Letters, 2021.
  2. R. Fan, H. Wang, Y. Wang, M.Liu and I.Pitas, "Graph Attention Layer Evolves Semantic Segmentation for Road Pothole Detection: A Benchmark and Algorithms", Transactions of Image Processing (TIP), 2021.
  3. E. Kakaletsis, I. Mademlis, N.Nikolaidis and I.Pitas, "Multiview Vision-based Human Crowd Localization for UAV Fleet Flight Safety", Springer Signal Processing: Image Communication, vol. 99, pp. 116484, 30 May, 2021.
  4. E. Kakaletsis, C. Symeonidis, M. Tzelepi, I. Mademlis, A.Tefas, N.Nikolaidis and I.Pitas, "Computer Vision for Autonomous UAV Flight Safety: An Overview and a Vision-based Safe Landing Pipeline", ACM Computing Surveys, vol. 54, no. 9, pp. 1-37, 2021.
  5. I. Karakostas, V. Mygdalis, A.Tefas and I.Pitas, "Occlusion detection and drift-avoidance framework for 2D visual object tracking.", Signal Processing: Image Communication, 116011, 2021.

2020

  1. P. Nousi, D. Triantafyllidou, A.Tefas and I.Pitas, "Re-identification framework for long term visual object tracking based on object detection and classification", Signal Processing: Image Communication, 2020.
  2. P. Nousi, A.Tefas and I.Pitas, "Dense convolutional feature histograms for robust visual object tracking", Image and Vision Computing, 2020.
  3. R. Fan, U. Ozgunalp, Y. Wang, M.Liu and I.Pitas, "Rethinking Road Surface 3-D Reconstruction and Pothole Detection: From Perspective Transformation to Disparity Map Segmentation", IEEE Transactions on Cybernetics, 2020.
  4. I. Karakostas, I. Mademlis, N.Nikolaidis and I.Pitas, "Shot Type Constraints in UAV Cinematography for Autonomous Target Tracking", Elsevier Information Sciences, 2020.
  5. P. Nousi, S. Papadopoulos, A.Tefas and I.Pitas, "Deep autoencoders for attribute preserving face de-identification", Elsevier Signal Processing: Image Communication, November, 2020.
  6. C. Papaioannidis, V. Mygdalis and I.Pitas, "Domain-Translated 3D Object Pose Estimation", IEEE Transactions on Image Processing, pp. 9279-9291, 2020.
  7. V. Mygdalis, A.Tefas and I.Pitas, "K-Anonymity-inspired Adversarial Attack and Multiple One-class Classification Defense", Neural Networks, pp. 296-307, 2020.

2019

  1. V. Mygdalis, A.Tefas and I.Pitas, "Exploiting Multiplex Data Relationships in Support Vector Machines", Pattern Recognition, pp. 70-77, 2019.
  2. I. Mademlis, N.Nikolaidis, A.Tefas, I.Pitas, T. Wagner and A. Messina, "Autonomous Unmanned Aerial Vehicles Filming in Dynamic Unstructured Outdoor Environments", IEEE Signal Processing Magazine, pp. 147-153, 2019.
  3. I. Mademlis, V. Mygdalis, N.Nikolaidis, M. Montagnuolo, F. Negro, A. Messina and I.Pitas, "High-Level Multiple-UAV Cinematography Tools for Covering Outdoor Events", IEEE Transactions on Broadcasting, 2019.
  4. C. Regazzoni and I.Pitas, "Perspectives in Autonomous Systems Research", Signal Processing Magazine, pp. 147-148, September, 2019.
  5. R. Fan, U. Ozgunalp, B. Hosking, M.Liu and I.Pitas, "Pothole Detection Based on Disparity Transformation and Road Surface Modeling", IEEE Transactions on Image Processing, 2019 (accepted for publication).
  6. C. Papaioannidis and I.Pitas, "3D Object Pose Estimation using Multi-Objective Quaternion Learning", IEEE Transactions on Circuits and Systems for Video Technology, 2019.
  7. I. Mademlis, N.Nikolaidis, A.Tefas, I.Pitas, T. Wagner and A. Messina, "Autonomous UAV Cinematography: A Tutorial and a Formalized Shot-Type Taxonomy", ACM Computing Surveys, pp. 105:1-105:33, 2019.

2018

  1. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Semi-Supervised Subclass Support Vector Data Description for Image and Video Classification", Neurocomputing, pp. 51-61, 2018 (Code).
  2. I. Mademlis, A.Tefas and I.Pitas, "A Salient Dictionary Learning Framework for Activity Video Summarization via Key-frame Extraction", Information Sciences, pp. 319-331, 2018.
  3. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Big Data Clustering with Kernel k-Means: Resources, Time and Performance", International Journal on Artificial Intelligence Tools, World Scientific Publishing Company, 2018.
  4. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Neurons With Paraboloid Decision Boundaries for Improved Neural Network Classification Performance", IEEE Transactions on Neural Networks and Learning Systems (TNNLS), pp. 284-294, 2018.
  5. E. Kakaletsis, O.Zoidi, I. Tsingalis, A.Tefas, N.Nikolaidis and I.Pitas, "Fast Constrained Person Identity Label Propagation in Stereo Videos Using a Pruned Similarity Matrix", Signal Processing: Image Communication, Elsevier, 2018.
  6. G.Mikrogeorgis, E. Eirinaki, V. Kapralos, A. Koutroulis, K.Lyroudia and I.Pitas, "Diagnosis of vertical root fractures in endodontically treated teeth utilising Digital Subtraction Radiography: a case series report", Australian Endodontic Journal, 286-91, 2018.
  7. A. Christodoulou, G.Mikrogeorgis, T. Vouzara, K. Papachristou, Ch. Angelopoulos, N.Nikolaidis, I.Pitas and K.Lyroudia, "A new methodology for the measurement of the root canal curvature and its 3D modification after instrumentation.", Acta Odontologica Scandinavica, 488-92, 2018.

2017

  1. P. Chriskos, O.Zoidi, A.Tefas and I.Pitas, "De-Identifying Facial Images Using Singular Value Decomposition and Projections", Multimedia Tools and Applications, pp. 3435-3468, 2017.
  2. A.Iosifidis, V. Mygdalis, A.Tefas and I.Pitas, "One-Class Classification based on Extreme Learning and Geometric Class Information", Springer Neural Processing Letters, vol. 45, pp. 577–592, 2017 (Code).

2016

  1. O.Zoidi, A.Tefas, N.Nikolaidis and I.Pitas, "Positive and negative label propagation", IEEE Transactions on Circuits and Systems for Video Technology, 2016.
  2. A.Iosifidis, A.Tefas and I.Pitas, "Approximate kernel extreme learning machine for large scale data classification", Neurocomputing, 2016.
  3. I.Kapsouras, A.Tefas, N.Nikolaidis, G. Peeters, L. Benaroya and I.Pitas, "Multimodal speaker clustering in full length movies", Multimedia Tools and Applications, pp. 1-20, 2016.
  4. A.Iosifidis, A.Tefas and I.Pitas, "Graph Embedded Extreme Learning Machine", IEEE Transactions on Cybernetics, pp. 311-324, 2016.
  5. J.Blat, A.Evans, H.Kim, E.Imre, L.Polok, V.Ila, N.Nikolaidis, P.Zemcik, A.Tefas, P.Smrz, A.Hilton and I.Pitas, "Big Data Analysis for Media Production", Proceedings of the IEEE, 2016.
  6. F. Patrona, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Visual Voice Activity Detection in the Wild", IEEE Transactions on Multimedia, pp. 967 - 977, 2016.
  7. S.Delis, I. Mademlis, N.Nikolaidis and I.Pitas, "Automatic Detection of 3D Quality Defects in Stereoscopic Videos Using Binocular Disparity", IEEE Transactions on Circuits and Systems for Video Technology, pp. 977 - 991, 2016.
  8. I. Mademlis, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Exploiting stereoscopic disparity for augmenting human activity recognition performance", Multimedia Tools and Applications, pp. 11641-11660, 2016.
  9. I. Mademlis, A.Tefas, N.Nikolaidis and I.Pitas, "Multimodal Stereoscopic Movie Summarization Conforming to Narrative Characteristics", IEEE Transactions on Image Processing, pp. 5828-5840, 2016.
  10. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Graph Embedded One-Class Classifiers for media data classification", Pattern Recognition, pp. 585-595, 2016 (Code).
  11. F. Patrona, I. Mademlis, F. Kalaganis, I.Pitas and K.Lyroudia, "Stereoscopic Medical Data Video Quality Issues", Journal of Medical Imaging, pp. 025501 - 025501, 2016.

2015

  1. A.Iosifidis, A.Tefas and I.Pitas, "Class-specific Reference Discriminant Analysis with application in Human Behaviour Analysis", IEEE Transactions on Human Machine Systems, pp. 315-326, 2015 (Code).
  2. A.Iosifidis, A.Tefas and I.Pitas, "On the Kernel Extreme Learning Machine Classifier", Pattern Recognition Letters, pp. 11-17, 2015.
  3. A.Iosifidis, A.Tefas and I.Pitas, "DropELM: Fast Neural Network Regularization with Dropout and DropConnect", Neurocomputing, pp. 57-66, 2015 (Code).
  4. A.Iosifidis, A.Tefas and I.Pitas, "Distance-based Human Action Recognition using optimized class representations", Neurocomputing, pp. 47-55, 2015 (Code).
  5. A.Iosifidis, A.Tefas and I.Pitas, "Sparse Extreme Learning Machine classifier exploiting Intrinsic Graphs", Pattern Recognition Letters, pp. 192-196, 2015.
  6. T.Theodoridis, K. Papachristou, N.Nikolaidis and I.Pitas, "Object motion analysis description in stereo video content", Computer Vision and Image Understanding, 2015 (accepted).
  7. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "A Distributed Framework for Trimmed Kernel k-means Clustering", Pattern Recognition, pp. 2685–2698, 2015.
  8. N.Vretos, A.Tefas and I.Pitas, "A Novel Dimensionality Reduction Technique based on Kernel Optimization Through Graph Embedding", Signal, Image and Video Processing, 2015.
  9. A. Digka, K.Lyroudia, L. Kubinova, G. Karayannopoulou, I.Marras and I.Pitas, "Computerized Reconstruction of Pulpal Blood Vessels Examined under Confocal Microscope", Balkan Journal of Dental Medicine, pp. 43–49, 2015.
  10. O.Zoidi, E. Fotiadou, N.Nikolaidis and I.Pitas, "Graph-based label propagation in digital media: A Review", ACM Computing Surveys, 2015.
  11. A.Iosifidis, A.Tefas and I.Pitas, "Human Action Recognition based on Multi-view Regularized Extreme Learning Machine", International Journal on Artificial Intelligence Tools, 2015.
  12. A.Iosifidis, E.Marami, A.Tefas, I.Pitas and K.Lyroudia, "The MOBISERV-AIIA Eating and Drinking multi-view database for vision-based assisted living", Journal of Information Hiding and Multimedia Signal Processing, pp. 254-273, 2015.
  13. A.Maronidis, A.Tefas and I.Pitas, "Subclass Graph Embedding and a Marginal Fisher Analysis paradigm", Pattern Recognition, pp. 4024-4035, 2015.
  14. G.Orphanidis, A.Tefas, N.Nikolaidis and I.Pitas, "Facial image clustering in stereoscopic videos using double spectral analysis", Signal Processing: Image Communication, pp. 86-105, 2015.

2014

  1. H. Du, Q. Hu, D. Qiao and I.Pitas, "Robust face recognition via low-rak sparse representation-based classification", International Journal of Automation and Computing, 2014.
  2. I.Marras, N.Nikolaidis and I.Pitas, "3D geometric split-merge segmentation of brain MRI datasets", Computers In Biology and Medicine, pp. 119-132, 2014.
  3. O.Zoidi, A.Tefas, N.Nikolaidis and I.Pitas, "Person identity label propagation in stereo videos", IEEE Transactions on Multimedia, pp. 1358-1368, 2014.
  4. A.Iosifidis, A.Tefas and I.Pitas, "Regularized Extreme Learning Machine for Multi-view Semi-supervised Action Recognition", Neurocomputing, pp. 250-262, 2014.
  5. S.Nikitidis, A.Tefas and I.Pitas, "Maximum Margin Projection Subspace Learning for Visual Data Analysis", IEEE Transactions on Image Processing, pp. 4413 - 4425, 2014.
  6. S.Nikitidis, A.Tefas and I.Pitas, "Projected Gradients for Subclass Discriminant Nonnegative Subspace Learning", IEEE Transactions on Cybernetics, pp. 2806 - 2819, 2014.
  7. A.Iosifidis, A.Tefas and I.Pitas, "Discriminant Bag of Words based Representation for Human Action Recognition", Pattern Recognition Letters, pp. 185-192, 2014 (Code).
  8. A.Iosifidis, A.Tefas and I.Pitas, "Kernel Reference Discriminant Analysis", Pattern Recognition Letters, pp. 85-91, 2014 (Code).
  9. O.Zoidi, N.Nikolaidis, A.Tefas and I.Pitas, "Stereo Object Tracking with Fusion of Texture, Color and Disparity Information", Signal Processing: Image Communication, pp. 573-589, 2014.
  10. K. Papachristou, A.Tefas and I.Pitas, "Symmetric Subspace Learning for Image Analysis", IEEE Transactions on Image Processing, pp. 5683-5697, 2014.

2013

  1. O.Zoidi, A.Tefas and I.Pitas, "Visual Object Tracking based on Local Steering Kernels and Color Histograms", in IEEE Transactions on Circuits and Systems for Video Technology, vol. 23, no. 5, pp. 870-882, may, 2013.
  2. S. Karavarsamis, N. Ntarmos, K. Blekas and I.Pitas, "Detecting Pornographic Images by Localizing Skin ROIs.", International Journal of Digital Crime and Forensics (IJDCF), Volume 5, Number 1, September, 2013.
  3. A.Iosifidis, A.Tefas and I.Pitas, "Learning sparse representations for view-independent human action recognition based on fuzzy distances", Neurocomputing, vol. 121C, pp. 334-353, 2013 (Code).
  4. A.Iosifidis, A.Tefas and I.Pitas, "Dynamic action recognition based on Dynemes and Extreme Learning Machine", Pattern Recognition Letters, vol. 34, pp. 1890-1898, 2013.
  5. N.Vretos, A.Tefas and I.Pitas, "Using robust dispersion estimation in support vector machines", Pattern Recognition, Volume 46, Issue 12, 2013.
  6. C.Sagonas, I.Marras, I.Kasampalidis, I.Pitas, K.Lyroudia and G.Karagianopoulou, "FISH image analysis using a modified radial basis function network", Biomedical Signal Processing and Control, pp. 30-40, 2013.
  7. A.Iosifidis, A.Tefas and I.Pitas, "Multi-view Action Recognition Based on Action Volumes, Fuzzy Distances and Cluster Discriminant Analysis", Signal Processing, vol. 93, pp. 1445-1457, 2013.
  8. A.Iosifidis, A.Tefas and I.Pitas, "Minimum Class Variance Extreme Learning Machine for Human Action Recognition", IEEE Transactions on Circuits and Systems for Video Technology, 1968-1979, 2013 (Code).
  9. A.Iosifidis, A.Tefas and I.Pitas, "Multidimensional Sequence Classification based on Fuzzy Distances and Discriminant Analysis", IEEE Transactions on Knowledge and Data Engineering, vol. 93, no. 6, pp. 1445-1457, November, 2013.
  10. O.Zoidi, A.Tefas and I.Pitas, "Multiplicative Update Rules for Concurrent Nonnegative Matrix Factorization and Maximum Margin Classification", in IEEE Transactions on Neural Networks and Learning Systems, Vol 24, Issue 3,pp 422 - 434, March, 2013.
  11. A.Iosifidis, A.Tefas and I.Pitas, "On the optimal class representation in Linear Discriminant Analysis", IEEE Transactions on Neural Networks and Learning Systems, vol. 24, no. 9, pp. 1-7, 2013.

2012

  1. A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Multi-view human movement recognition based on Fuzzy distances and Linear Discriminant Analysis", Computer Vision and Image Understanding, vol. 116, pp. 347-360, March, 2012.
  2. A.Iosifidis, A.Tefas and I.Pitas, "Activity based Person Identification using Fuzzy Representation and Discriminant Learning", IEEE Transactions in Information Forensics and Security, vol.7, no.2, pp.530-542, April, 2012.
  3. A.Iosifidis, A.Tefas and I.Pitas, "View-invariant action recognition based on Artificial Neural Networks", IEEE Transactions on Neural Networks and Learning Systems, vol.23, no.3, pp.412-424, March, 2012.
  4. S.Nikitidis, N.Nikolaidis and I.Pitas, "Multiplicative Update Rules for Incremental Training of Multiclass Support Vector Machines", Pattern Recognition, vol 45, no 5, pp. 1838-1852, May, 2012.
  5. S.Nikitidis, A.Tefas, N.Nikolaidis and I.Pitas, "Subclass Discriminant Non negative Matrix Factorization for Facial Image Analysis", Pattern Recognition, vol. 45, issue 12, pp. 4080-4091, December, 2012.
  6. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Shape matching using a binary search tree structure of weak classifiers", Pattern Recognition, pp. 2363-2376, 2012.
  7. N.Vretos, N.Nikolaidis and I.Pitas, "Video Fingerprinting Using Latent Dirichlet Allocation and Facial Images", Pattern Recognition, vol. 45, no. 7,pp. 2489-2498, July, 2012.

2011

  1. A.Maronidis, D.Bolis, A.Tefas and I.Pitas, "Improving subspace learning for facial expression recognition using person dependent and geometrically enriched training sets", Neural Networks, 814-823, October, 2011.
  2. I.Marras, N.Nikolaidis and I.Pitas, "Frontal facial pose recognition using a discriminant splitting feature extraction procedure", Journal of Computing and Information Technology, vol 19, no 4, 2011.
  3. N.Vretos, V.Solachidis and I.Pitas, "A Mutual Information Based Face Clustering Algorithm For Movie Content Analysis", Image and Vision Computing journal, vol. 29, no. 10, pp. 693-705, July, 2011.

2010

  1. S.Krinidis and I.Pitas, "Statistical Analysis of Human Facial Expressions", Journal of Information Hiding and Multimedia Signal Processing, June, 2010.
  2. M.Kyperountas, A.Tefas and I.Pitas, "Salient feature and reliable classifier selection for facial expression classification", Pattern Recognition, 972-986, 2010.
  3. S.Nikolopoulos, S.Zafeiriou, N.Nikolaidis and I.Pitas, "Image replica detection system utilizing R-trees and linear discriminant analysis", Pattern Recognition, vol. 43, no 3, pp. 636-649, March, 2010.
  4. N.Tsapanos, A.Tefas and I.Pitas, "Online Shape Learning using Binary Search Trees", Image and Vision Computing, vol. 28, issue 7, pp. 1146 - 1154, July, 2010.

2009

  1. M.Krinidis and I.Pitas, "Color texture segmentation based on the modal energy of deformable surfaces", IEEE transactions on Image Processing, pp. 1613-1622, 2009.
  2. S.Asteriadis, N.Nikolaidis and I.Pitas, "Facial Feature Detection Using Distance Vector Fields", Pattern Recognition, vol. 42 , no. 7, pp. 1388-1398, July, 2009.
  3. I.Buciu, C.Kotropoulos and I.Pitas, "Comparison of ICA approaches for facial expression recognition", Signal, Image, and Video Processing, vol. 3, no. 4, pp. 1703-1711, December, 2009 (DOI: 10.1007/s11760-008-0074-3).
  4. C.Cotsaces, N.Nikolaidis and I.Pitas, "Semantic Video Fingerprinting and Retrieval Using Face information", Signal Processing: Image Communication, vol 24, no. 7, pp. 598-613, August, 2009.
  5. G.Goudelis, A.Tefas and I.Pitas, "Automated Facial Pose Extraction From Video Sequences Based on Mutual Information", IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 3, pp. 418 - 424, March, 2009.
  6. I.Kotsia, S.Zafeiriou and I.Pitas, "A Novel Class of Multiclass Classifiers based on the Minimization of Within-Class-Variance", IEEE Transactions on Neural Networks, January, 2009.
  7. M.Krinidis, N.Nikolaidis and I.Pitas, "3-D Head Pose Estimation in Monocular Video Sequences Using Deformable Surfaces and Radial Basis Functions", IEEE Transactions on Circuits and Systems for Video Technology, vol. 19, no. 2, pp. 261 - 272, February, 2009.
  8. S.Siatras, N.Nikolaidis, M.Krinidis and I.Pitas, "Visual Lip Activity Detection and Speaker Detection Using Mouth Region Intensities", IEEE Transactions on Circuits and Systems for Video Technology, vol. 19, no. 1 pp. 133-137, January, 2009.
  9. P.Sidiropoulos, N.Nikolaidis and I.Pitas, "Invertible Chaotic Fragile Watermarking for Robust Image Authentication.", Chaos, Solitons and Fractals, vol. 42, issue 5, pp. 2667 - 2674, December, 2009.

2008

  1. Z.Cernekova, C. Malerczyk, N.Nikolaidis and I.Pitas, "Interaction In Edutainment Applications Using Monocular Posture Tracking", Computer Graphics and Geometry, vol. 10, no. 2, pp 25-33, 2008.
  2. I.Buciu, N.Nikolaidis and I.Pitas, "Non-negative matrix factorization in polynomial feature space", IEEE Trans. on Neural Networks, vol. 19 no. 6, pp. 1090-695, June, 2008.
  3. C.Cotsaces, N.Nikolaidis and I.Pitas, "Face-based digital signatures for video retrieval", IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 4, pp. 549 - 553, April, 2008.
  4. N.Gkalelis, A.Tefas and I.Pitas, "Combining fuzzy vector quantization with linear discriminant analysis for continuous human movement recognition", IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 11, pp. 1511-1521, November, 2008.
  5. G.Goudelis, A.Tefas and I.Pitas, "Emerging Biometric Modalities: a Survey", Journal on Multimodal User Interfaces, vol. 2, no. 3-4, pp. 217 - 235, 2008.
  6. A.Hajdu and I.Pitas, "Piecewise linear digital curve representation and compression using graph theory and a line segment alphabet", IEEE Transactions on Image Processing, vol. 17, no. 2, pp. 126-133, February, 2008.
  7. I.Kotsia, S.Zafeiriou and I.Pitas, "Texture and Shape Information Fusion for Facial Expression and Facial Action Unit Recognition", Elsevier Pattern Recognition journal, special issue on Feature Generation and Machine Learning for Robust Multimodal Biometrics, vol. 4, no. 3, pp. 834-851, March, 2008 (Special Issue on Machine Learning Techniques for Multimodal Biometrics).
  8. I.Kotsia, I.Buciu and I.Pitas, "An analysis of facial expression recognition under partial facial image occlusion", Elsevier Image and Vision Computing journal, vol. 26, no. 7, pp. 1052-1067, July, 2008.
  9. M.Kotti, D.Ververidis, G.Evangelopoulos, Y.Panagakis, C.Kotropoulos, P.Maragos and I.Pitas, "Audio-assisted movie dialogue detection", IEEE Trans. Circuits and Systems for Video Technology, vol. 18, no. 11, pp. 1618-1627, November, 2008 (Special Issue on Event Analysis in Videos).
  10. M.Kyperountas, A.Tefas and I.Pitas, "Dynamic Training using Multistage Clustering for Face Recognition", Pattern Recognition, vol. 41, no. 3, pp. 894-905, 2008.
  11. I.Marras, N.Nikolaidis, G.Mikrogeorgis, K.Lyroudia and I.Pitas, "A Virtual System for Cavity Preparation in Endodontics", Journal of Dental Education, vol. 72, no. 4, April, 2008.
  12. S.Nikitidis, S.Zafeiriou and I.Pitas, "Camera Motion Estimation Using a Novel Online Vector Field Model in Particle Filters", IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 8, pp. 1028-1039, August, 2008.
  13. A.Mooney, J.G.Keating and I.Pitas, "A comparative study of chaotic and white noise signals in digital watermarking", in Chaos, Solitons and Fractals, vol. 35, no. 5, pp. 913-921, 2008.
  14. S.Zafeiriou and I.Pitas, "Discriminant Graph Structures for Facial Expression Recognition", IEEE Transactions on Multimedia, November, 2008.

2007

  1. G.Almpanidis, C.Kotropoulos and I.Pitas, "Combining Text and Link Analysis for Focused Crawling ? An Application for Vertical Search Engines", Information Systems, vol. 32, no. 6, pp. 886-908, 2007.
  2. Z.Cernekova, C.Kotropoulos and I.Pitas, "Video shot boundary detection using singular value decomposition and statistical tests", SPIE Journal of Electronic Imaging, vol. 16, no. 4, December, 2007.
  3. G.Goudelis, S.Zafeiriou, A.Tefas and I.Pitas, "Class-Specific Kernel Discriminant Analysis for Face Verification", IEEE Transactions on Information Forensics and Security, vol. 2, no. 3, part 2, pp. 570-587, September, 2007 (Special issue on Human Detection and Recognition).
  4. A.Hajdu and I.Pitas, "Optimal approach for fast object-template matching", IEEE Transactions on Image Processing, vol. 16, no. 8, pp. 2048-2057, August, 2007.
  5. I.Kasampalidis, I.Pitas and K.Lyroudia, "Conservation of Metal coordinating Residues", Proteins: Structure, Function and Bioinformatics, vol. 68, no. 1, pp. 123-30, 2007.
  6. I.Kotsia and I.Pitas, "Facial Expression Recognition in Image Sequences using Geometric Deformation Features and Support Vector Machines", IEEE Transactions on Image Processing, vol. 16, no. 1, pp. 172 - 187, 2007.
  7. I.Kotsia, S.Zafeiriou and I.Pitas, "A Novel Discriminant Non-negative Matrix Factorization Algorithm with Applications to Facial Image Characterization Problems", IEEE Transaction on Forensics and Security, vol. 2, no. 3, part 2, pp. 588-595, September, 2007 (Special issue on Human Detection and Recognition).
  8. M.Kotti, E.Benetos, C.Kotropoulos and I.Pitas, "A neural network approach to audio-assisted movie dialogue detection''", Neurocomputing Special Issue: Advances in Neural Networks, vol. 71, no. 1-3, pp. 157-166, 2007.
  9. M.Krinidis, N.Nikolaidis and I.Pitas, "The Discrete Modal Transform and its Application to Lossy Image Compression, Signal Processing: Image Communication", Elsevier, vol.22, no. 5, pp. 480-504, 2007.
  10. M.Krinidis, N.Nikolaidis and I.Pitas, "2D Feature Point Selection and Tracking Using 3D Physics-Based Deformable Surfaces", IEEE Transactions on Circuits and Systems for Video Technology, vol. 17, no. 8, pp. 876-888, 2007.
  11. M.Kyperountas, A.Tefas and I.Pitas, "Weighted piecewise LDA for solving the small sample size problem in face verification", IEEE Transactions on Neural Networks, vol. 18, no. 2, pp. 506-519, 2007.
  12. M.Kyperountas, C.Kotropoulos and I.Pitas, "Enhanced eigen-audioframes for audiovisual scene change detection", IEEE Transactions on Multimedia, vol. 9, no. 4, pp. 785-797, 2007.
  13. O.Martin, I.Kotsia, A.Savran, J.Adell, A.Huerta, R.Sebbe and I.Pitas, "Synthesis of Expressive Facial Animations: A Multimodal Caricatural Mirror", Journal on Multimodal Interfaces, vol. 1, no. 1, March, 2007.
  14. V.Rodriguez-Doncel, N.Nikolaidis and I.Pitas, "An Optimal Detector Structure for the Fourier Descriptors Domain Watermarking of 2D Vector Graphics", IEEE Transactions on Visualization and Computer Graphics, vol. 13, no. 5 pp. 851-863, September/October, 2007.
  15. V.Solachidis and I.Pitas, "Watermarking Digital 3-D Volumes in the Discrete Fourier Transform Domain", IEEE Transactions Multimedia, vol. 9, no. 7, November, 2007.
  16. G.Stamou, M.Krinidis, N.Nikolaidis and I.Pitas, "A Monocular System for Person Tracking: Implementation and Testing", Journal on Multimodal Interfaces, vol. 1, no. 2, pp. 31-47, 2007.
  17. Z.Theodosiou, I.Kasampalidis, G.Livanos, M.Zervakis, I.Pitas and K.Lyroudia, "Automated Analysis of FISH and Immunohistochemistry Images: A Review", Cytometry, part 1, vol. 71, pp. 439-450, 2007.
  18. Z.Theodosiou, I.Kasampalidis, G.Karagianopoulou, I.Kostopoulos, M.Bobos, G.Bevilacqua, P.Aretini , A.Starita, K.Lyroudia and I.Pitas, "Evaluation of FISH image analysis system on assessing HER2 amplification in breast carcinoma cases.", Breast, September 20, 2007.
  19. S.Zafeiriou, A.Tefas and I.Pitas, "The discriminant elastic graph matching algorithm applied to frontal face verification", Pattern Recognition, vol. 40, no. 10, pp. 2798-2810, October, 2007.
  20. S.Zafeiriou, A.Tefas and I.Pitas, "Learning Discriminant Person-Specific Facial Models Using Expandable Graphs", IEEE Transactions on Information Forensics and Security, vol. 2, no. 1, pp. 55-68, March, 2007.
  21. S.Zafeiriou, A.Tefas and I.Pitas, "Minimum Class Variance Support Vector Machines", IEEE Transactions on Image Processing, vol. 16, no. 10, pp. 2551-2564, October, 2007.

2006

  1. I.Buciu, C.Kotropoulos and I.Pitas, "Demonstrating the stability of support vector machines for classification", Signal Processing Elsevier, vol. 86, no. 9, pp. 2364 - 2380, 2006.
  2. I.Buciu and I.Pitas, "NMF, LNMF and DNMF modeling of neural receptive fields involved in human facial expression perception", Journal of Visual Communication and Image Representation, vol. 17, no. 5, October, 2006.
  3. Z.Cernekova, I.Pitas and C.Nikou, "Information theory-based shot cut/fade detection and video summarization", IEEE Transactions on Circuits and Systems for Video Technology, vol. 16, January, 2006.
  4. C.Cotsaces, N.Nikolaidis and I.Pitas, "Video Shot Boundary Detection and Condensed Representation: A Review", IEEE Signal Processing Magazine, vol. 23 no. 2 pp. 28-37, March, 2006.
  5. M.Gavrielides, E.Sikudova and I.Pitas, "Color-based Descriptors for Image Fingerprinting", IEEE Transactions on Multimedia, vol.8, n.4, p.740-748, 2006.
  6. I.Giakoumis, N.Nikolaidis and I.Pitas, "Digital image processing techniques for the detection and removal of cracks in digitized paintings", IEEE Transactions on Image Processing, vol. 15, no. 1, January, 2006.
  7. G.Mikrogeorgis, I.Molyvdas, K.Lyroudia, N.Nikolaidis and I.Pitas, "A new methodology for the comparative study of the root canal instrumentation techniques based on digital radiographic image processing and analysis", Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, vol 101, no 6, pp. 125-131, June, 2006.
  8. S.Zafeiriou, A.Tefas, I.Buciu and I.Pitas, "Exploiting Discriminant Information in Non-negative Matrix Factorization with application to Frontal Face Verification", IEEE Transactions on Neural Networks, vol. 17, no. 3, pp. 683-695, May, 2006.

2005

  1. S.Krinidis and I.Pitas, "Fast Free Vibration Modal Analysis of 2D Physics-Based Deformable Objects", IEEE Transactions on Image Processing, vol. 14, March, 2005.
  2. F.Raimondo, M.Gavrielides, G.Karayannopoulou, K.Lyroudia, I.Pitas and I.Kostopoulos, "Automated evaluation of Her-2/neu status in breast tissue from fluorescent in situ hybridization images", IEEE Transactions on Image Processing Special Issue on Biomedical Images, vol. 14, no. 9, September, 2005.
  3. S.Zafeiriou, A.Tefas and I.Pitas, "Blind Robust Watermarking Schemes for Copyright Protection of 3D Mesh Objects", IEEE Transactions on Visualization and Computer Graphics, vol. 11, no. 5, pp 596-607, September-October, 2005.

2004

  1. A.Georgakis, C.Kotropoulos, A.Xafopoulos and I.Pitas, "Marginal median WEBSOM for information organization and retrieval", Neural Networks, vol. 17, pp. 365-377, 2004.
  2. E.Loutas and I.Pitas, "Probabilistic face detection and tracking using entropy measures", IEEE Transactions on Circuits and Systems for Video Technology, vol. 14, no. 1, January, 2004.
  3. E.Loutas, I.Pitas and C.Nikou, "Entropy - based metrics for the analysis of partial and total occlusion in video object tracking, IEE Proceedings of Vision", Image and Signal Processing, Vol. 151, No. 6, December, 2004.
  4. G.Mikrogeorgis, K.L.Lyroudia, I.Molyvdas, N.Nikolaidis and I.Pitas, "Digital Radiograph Registration and Subtraction: A Useful Tool for the Evaluation of the Progress of Chronic Apical Periodontitis", Journal of Endodontics, vol. 30, no. 7, July, 2004.
  5. K.Lyroudia, G.Mikrogeorgis, Ch.Chatzikallinikidis, E.Kechagias, N.Nikolaidis and I.Pitas, "3-Dimensional Volume Reconstruction of Primmary Teeth and Their Virtual Pulp Cavity Access", Balkan Journal of Stomatology, pp. 134-137, 2004.
  6. V.Solachidis and I.Pitas, "Watermarking polygonal lines using Fourier descriptors", IEEE Computer Graphics and Applications, vol.24, no, 3, May-June, 2004.
  7. V.Solachidis and I.Pitas, "Optimal detector for multiplicative watermarks embedded in the DFT domain of non-white signals", Eurasip Journal on Applied Signal Processing, no. 16, November, 2004.
  8. S.Tsekeridou, F.A.Cheikh, M.Gabbouj and I.Pitas, "Vector rational interpolation schemes for erroneous motion field estimation applied to MPEG-2 error concealment", IEEE Transactions on Multimedia, vol. 6, no. 6, December, 2004.
  9. A.Xafopoulos, C.Kotropoulos, G.Almpanidis and I.Pitas, "Language identification in web documents using discrete HMMs", Pattern Recognition, vol. 37, pp. 583-594, 2004.

2003

  1. C.Kotropoulos and I.Pitas, "Segmentation of ultrasonic images using support vector machines", Pattern Recognition Letters, vol. 24, pp. 715-727, 2003.
  2. S.Krinidis, C.Nikou and I.Pitas, "Reconstruction of Serially Acquired Slices using Physics-based Modelling", IEEE Transactions on Information Technology in Biomedicine, vol. 7, no. 4, December, 2003.
  3. S.Krinidis, C.Nikou and I.Pitas, "A Global Energy Function for the Alignment of Serially Acquired Slices", IEEE Transactions on Information Technology in Biomedicine, vol. 7, no. 2, June, 2003.
  4. A.Nikolaidis and I.Pitas, "Asymptotically Optimal Detection for Additive Watermarking in the DCT and DWT Domains", IEEE Transactions on Image Processing, vol. 12, no. 5, May, 2003.
  5. A.H.Paquet, R.K.Ward and I.Pitas, "Wavelet Packets-based Digital Watermarking for Image Verification and Authentication", Signal Processing, special issue on Security of Data Hiding Techniques, vol. 83, issue 10, October, 2003.
  6. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Markov chaotic sequences for correlation based watermarking schemes", Chaos, Solitons and Fractals, vol. 17, pp. 567-573, 2003.
  7. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Performance Analysis of Correlation-based Watermarking Schemes employing Markov Chaotic Sequences", IEEE Transactions on Signal Processing, vol. 51, no. 7, pp. 1979 - 1994, July, 2003.

2002

  1. A.Bors, L.Kechagias and I.Pitas, "Binary morphological shape-based interpolation applied to 3-D tooth reconstruction", IEEE Transactions on Medical Imagining, vol. 21, no. 2, February, 2002.
  2. M.Gordan, C.Kotropoulos and I.Pitas, "A support vector machine-based dynamic network for visual speech recognition applications", Journal of Applied Signal Processing, vol. 2002, no. 11, November, 2002.
  3. C.Kotropoulos, M.Pappas and I.Pitas, "Sorting networks using Lp mean comparators for signal processing applications", IEEE Transactions on Signal Processing, vol. 50, no. 11, November, 2002.
  4. K.Lyroudia, V.Dourou, O.Pantelidou, Th.Lambrianidis and I.Pitas, "Internal root resorption studied by radiography, stereomicroscope, scanning electron microscope, and computerized 3D reconstructive method.", Dental Traumatology, vol. 18 no. 3, pp. 148-15, 2002.
  5. K.Lyroudia, G.Mikrogeorgis, P.Bakaloudi, E.Kechagias, N.Nikolaidis and I.Pitas, "Virtual endodontics: three-dimensional teeth volume representations and their pulp cavity access", Journal of Endodontics, pp.599-602, 2002.
  6. A.Tefas, C.Kotropoulos and I.Pitas, "Face verification using elastic graph matching based on morphological signal decomposition", Signal Processing, vol. 82, no. 6, June, 2002.

2001

  1. F.Bartollini, A.Tefas, M.Barni and I.Pitas, "Image Authentication Techniques for Surveillance Applications", Proceedings of the IEEE, vol. 89, no. 10, September, 2001.
  2. P.Bassia, I.Pitas and N.Nikolaidis, "Robust audio watermarking in the time domain", IEEE Transactions on Multimedia, vol. 3, no. 2, June, 2001.
  3. A.Nikolaidis and I.Pitas, "Region-Based Image Watermarking", IEEE Transactions on Image Processing, vol. 10, no. 11, November, 2001.
  4. W.Puech, A.Bors, I.Pitas and J.-M.Chassery, "Projection distortion analysis for flattened image mosaicing from straight uniform generalized cylinders", Pattern Recognition, vol. 34, issue 8, August, 2001.
  5. V.Solachidis and I.Pitas, "Circularly Symmetric Watermark Embedding in 2D DFT domain", Transactions on Image Processing, vol. 10, no. 11, November, 2001.
  6. S.Stankovic, I.Djurovic and I.Pitas, "Watermarking in the Space/Spatial Domain Using Two-Dimentional Radon Wigner distribution", IEEE Transactions on Image Processing, vol. 10, no. 4, April, 2001.
  7. A.Tefas, C.Kotropoulos and I.Pitas, "Using Support vector machines to enhance the performance of elastic graph matching for frontal face authentication", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 23, no. 7, July, 2001.
  8. S.Tsekeridou and I.Pitas, "Content-based Video Parsing and Indexing based on Audio-Visual Interaction", IEEE Transactions on Circuits and Systems for Video Technology, vol. 11, 2001.
  9. S.Tsekeridou, V.Solachidis, N.Nikolaidis, A.Nikolaidis, A.Tefas and I.Pitas, "Statistical Analysis of a Watermarking System based on Bernoulli Chaotic Sequences, Signal Processing", Elsevier Special Issue on Information Theoretic Issues in Digital Watermarking, vol. 81, no. 6, pp. 1273-1293, 2001.

2000

  1. A.Bors and I.Pitas, "Prediction and Tracking of Moving Objects in Image Sequences", IEEE Transactions on Image Processing, vol. 9, no. 8, August, 2000.
  2. V.Chatzis and I.Pitas, "Interpolation of 3-D Binary Images Based on Morphological Skeletonization", IEEE Transactions on Medical Imaging, vol. 19, no. 7, July, 2000.
  3. V.Chatzis and I.Pitas, "A Generalized Fuzzy Mathematical Morphology and its Application in Robust 2D and 3D Object Representation", IEEE Transactions on Image Processing, vol. 9, issue 10, October, 2000.
  4. C.Kotropoulos, A.Tefas and I.Pitas, "Frontal face authentication using discriminating grids with morphological feature vectors", IEEE Transactions on Multimedia, vol. 2, no. 1, March, 2000.
  5. C.Kotropoulos, A.Tefas and I.Pitas, "Frontal face authentication using morphological elastic graph matching", IEEE Transactions on Image Processing, vol. 9, no. 4, April, 2000.
  6. C.Kotropoulos, A.Tefas and I.Pitas, "Morphological elastic graph matching applied to frontal face authentication under well-controlled and real conditions", Pattern Recognition, vol. 33, no. 12, October, 2000.
  7. K.Lyroudia, O.Pantelidou, G.Mikrogeorgis, N.Nikopoulos and I.Pitas, "Three-Dimensional Reconstruction: A New Method for the Evaluation of Apical Microleakage", Journal of Endodontics, vol. 26, no. 1, pp. 36-38, January, 2000.
  8. K.Lyroudia, O.Pantelidou, G.Mikrogeorgis, Ch.Chatzikallinikidis, N.Nikopoulos and I.Pitas, "The use of 3D computerized reconstruction for the study of coronal microleakage", Int. Endodontic Journal, no. 33, pp. 243-247, 2000.
  9. A.Nikolaidis and I.Pitas, "Robust watermarking of facial images based on salient geometric pattern matching", IEEE Transactions on Multimedia, vol. 2, no. 3, September, 2000.
  10. A.Nikolaidis and I.Pitas, "Facial feature extraction and pose determination", Pattern Recognition, Elsevier, vol. 33, no. 11, November, 2000.
  11. N.Nikopoulos and I.Pitas, "A Fast Implementation of 3-D Binary Morphological Transformations", IEEE Transactions on Image Processing, vol. 9, no. 2, February, 2000.
  12. M.Pappas and I.Pitas, "Digital Color Restoration of Old Painting", IEEE Transactions On Image Processing, vol. 9, no. 2, February, 2000.
  13. I.Pitas and C.Cotsaces, "Memory Efficient Propagation - Based Watershed and Influence Zone Algorithms for Large Images", IEEE Transactions on Image Processing, vol. 9, no. 7, July, 2000.
  14. S.Tsekeridou and I.Pitas, "MPEG-2 Error Concealment based on Block Matching Principles", IEEE Transactions on Circuits and Systems for Video Technology, vol. 10, no. 4, June, 2000.
  15. S.Vlassis, K.Doris, S.Siskos and I.Pitas, "Analog Implementation of Erosion/Dilation, Median and Order Statistics Filters", Pattern Recognition, Special Issue on Mathematical Morphology and Nonlinear Image Processing(Wiley), vol. 33, pp. 1023-1032, 2000.

1999

  1. A.Bors and I.Pitas, "Object Classification in 3-D Images Using Alpha-Trimmed Mean Radial Basis Function Network", IEEE Transactions on Image Processing, vol. 9, no. 12, December, 1999.
  2. C.Busch, K.Nahrstedt and I.Pitas, "Image Security", IEEE Computer Graphics and Applications, vol. 19, no. 1, January-February, 1999.
  3. V.Chatzis and I.Pitas, "Fuzzy Scalar and Vector Median filters based on Fuzzy Distances", IEEE Transactions on Image Processing, vol. 8, no. 5, May, 1999.
  4. V.Chatzis, A.Bors and I.Pitas, "Multimodal Decision Level Fusion for Person Authentication", IEEE Transactions on System, Man and Cybernetics, vol. 29, no. 6, 1999.
  5. C.A.Kapoutsis, C.P.Vavoulidis and I.Pitas, "Morphological Iterative Closest Point Algorithm", IEEE Transactions on Image Processing, vol. 8, no. 11, November, 1999.
  6. C.Kotropoulos and I.Pitas, "Adaptive Multichannel Marginal L-filters", SPIE Optical Engineering, vol. 38, no. 4, pp. 688-704, 1999.
  7. K.Lyroudia, V.Dourou, A. Digka and I.Pitas, "3D reconstruction of six mandibular canines", Hellenic Dental Journal, no. 9, pp. 63-67, 1999.
  8. K.Lyroudia, G.Pappa and I.Pitas, "Study of the possible anatomical variations of mandibular premolars computerized 3D reconstructions", Hellenic Dental Journal, no. 9, pp. 23-28, 1999.
  9. K.Lyroudia, V.Dourou, G.Pappa and I.Pitas, "3D reconstruction of external and internal morphology of upper and lower incisors", Ododostomatological Progress, vol. 53, no. 3, pp. 302-310, 1999.
  10. K.Lyroudia, Ch.Chatzikallinikidis, A.Dinga and I.Pitas, "Mandibular molars,3D reconstruction and configuration of their morphological variations", Stoma, no 27, pp. 281-286, 1999.
  11. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, I.Pitas, I.Molyvdas and Th.Lambrianidis, "3D Computer Aided Reconstruction Of Six Teeth with Morphological Abnormalities", Int. Endodontics Journal, pp.32, 281-286, 1999.
  12. G.Mikrogeorgis, K.Lyroudia, N.Nikopoulos, I.Pitas, I.Molyvdas and Th.Lambrianidis, "3D computer-aided reconstruction of six teeth with morphological abnormalities.", International Endodontic Journal, vol. 32 no. 2, pp. 88-93, 1999.
  13. M.Pappas, G.Angelopoulos, A.Kadoglou and I.Pitas, "A Database Management System for Digital Archiving of Paintings and Works of Art", Computers and the History of Art, vol. 8, no. 2, pp. 15-35, 1999.
  14. M.Pappas and I.Pitas, "Multichannel Distance Filter", IEEE Transactions on Signal Processing, vol. 47, no. 12, December, 1999.
  15. S.Siskos, S.Vlassis and I.Pitas, "Analog Implementation of an Order Statistics Filter", IEEE Transactions on Circuits and Systems: Part II, vol. 46, October, 1999.
  16. G.Voyatzis and I.Pitas, "Protecting digital image copyrights: a framework", IEEE Computer Graphics and Applications, vol. 19, no. 1, January-Febrary, 1999.
  17. G.Voyatzis and I.Pitas, "Problems and Challenges in Multimedia Networking and Content Protection", TICSP Series #3, Trends and Challenges, Contributions to Workshop on Trends and Important Challenges in Signal Processing, ed. Jaakko Astola, March, 1999.
  18. G.Voyatzis and I.Pitas, "The use of watermarks in the protection of digital multimedia products", Proceedings of the IEEE, vol. 87, no. 7, July, 1999.

1998

  1. A.Bors and I.Pitas, "Optical Flow Estimation and Moving Object Segmentation Based on Median Radial Basis Function Network", IEEE Transactions on Image Processing, vol. 7, no. 5, May, 1998.
  2. A.Bors and I.Pitas, "Image Watermarking Using Block Site Selection and DCT Domain Constraints", Optics Express, vol. 3, no. 12, December, 1998.
  3. V.Chatzis and I.Pitas, "Nonlinear Location and Scale Estimators of Fuzzy Numbers", IEEE Transactions on Signal Processing, vol. 46, no. 1, January, 1998.
  4. D.Coltuc and I.Pitas, "Fast Computation of a class of running filters", IEEE Transactions on Signal Processing, vol. 46, no. 3, pp. 549-553, 1998.
  5. C.Kotropoulos, N.Nikolaidis, A.Bors and I.Pitas, "Robust and Adaptive Techniques in Self-organizing Neural Networks", Int. Journal of Computer Mathematics, vol. 67, pp. 183-200, 1998.
  6. G.Mikrogeorgis, K.Lyroudia, N.Nikopoulos, I.Pitas, I.Molyvdas and Th.Lambrianidis, "3D Computer-aided Reconstruction of Six Teeth with Morphological Abnormalities", Int. Endodontic Journal, 1998.
  7. N.Nikolaidis and I.Pitas, "Robust image watermarking in the spatial domain", Signal Processing, Elsevier, vol. 66, no. 3, pp. 385-403, 1998.
  8. N.Nikolaidis and I.Pitas, "Nonlinear Processing and Analysis of Angular Signals", IEEE Transactions on Signal Processing, vol. 46, no. 12, December, 1998.
  9. I.Pitas, "A Method for Watermark Casting in Digital Images", IEEE Transactions on Circuits and Systems on Video Technology, vol. 8, October, 1998.
  10. S.Siskos, S.Vlassis and I.Pitas, "Analog Implementation of fast min-max filtering", IEEE Transactions on Circuits and Systems, Part II, vol. 45, July, 1998.
  11. K.Sobottka and I.Pitas, "A novel method for automatic face segmentation, facial feature extraction and tracking", Image Communication, Elsevier, vol. 12, no. 3, June, 1998.
  12. S.Tsekeridou, C.Kotropoulos and I.Pitas, "Adaptive Order Statistic Filters for the Removal of Noise from Corrupted Images", SPIE Optical Engineering, vol. 37, no. 10, October, 1998.
  13. G.Voyatzis and I.Pitas, "Digital Image Watermarking using Mixing Systems", omputer & Graphics, Elsevier, vol. 22, no. 4, pp. 405-416, 1998.

1997

  1. V.Chatzis and I.Pitas, "Fuzzy Cell Hough Transform for Curve Detection", attern Recognition, Elsevier, vol. 30, no. 12, December, 1997.
  2. D.Coltuc and I.Pitas, "On Fast Running Max-Min Filtering", IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 44, no. 8, April, 1997.
  3. K.Lyroudia, G.Samakovitis, I.Pitas, Th.Lambrianidis, I.Molyvdas and G.Mikrogeorgis, "3D Reconstruction of Two C-Shape Mandibular Molars", Journal of Endodontics, The American Association of Endodontists, vol. 23, no. 2, February, 1997.
  4. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, G.Samakovitis, I.Molyvdas and I.Pitas, "Computerized 3-D Reconstruction of two Double Teeth", Endodontics and Dental Traumatology, vol. 13, pp. 218-22, October, 1997.
  5. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, I.Pitas, G.Samakovitis and M.Karanika, "3D Computer-aided reconstruction of the morphology of teeth with malformations.", Medical Informatics Europe, pp. 482-486, 1997.
  6. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, I.Pitas, G.Samakovitis and M.Karanika, "Three-dimensional Computer-aided reconstruction of the morphology of teeth with malformations", Medical Informatics in Europe 1997, pp. 482-486, 1997.
  7. G.Mikrogeorgis, V.Dourou, N.Nikopoulos, K.Lyroudia and I.Pitas, "3D Computer-aided Reconstruction of the Morphology of Seven Upper Premolars", STOMA, vol. 25, March, 1997.
  8. I.Pitas and A.Karasaridis, "Multichannel Transforms for Signal/Image Processing", IEEE Transactions on Image Processing, vol. 5, no. 10, October, 1997.
  9. W.Puech, J.-M.Chassery and I.Pitas, "Cylindrical Surface Localization in Monocular Vision", Pattern Recognition Letters, vol. 18, no.8, August, 1997.
  10. K.Sobottka and I.Pitas, "Looking for Faces and Facial Features in Color Images", Pattern Recognition and Image Analysis: Advances in Mathematical Theory and Applications, Russian Academy of Sciences, vol. 7, no. 1, pp. 124-137, 1997.

1996

  1. G.Angelopoulos and I.Pitas, "Fast parallel DSP algorithms on barrel shifter computers", IEEE Transactions on Signal Processing, vol. 44, no. 8, August, 1996.
  2. G.R.Arce, P.Maragos, Y.Neuvo and I.Pitas, "Guest Editorial Introduction to the Special Issue on Nonlinear Image Processing", IEEE Transactions on Image Processing, vol. 5, no. 6, June, 1996.
  3. A.Bors and I.Pitas, "Median Radial Basis Function Neural Network", IEEE Transactions on Neural Networks, vol. 7, no. 6, November, 1996.
  4. S.Cerutti, G.Carrault, P.J.M.Cluitmans, A.Kinie, T.Lipping, N.Nikolaidis, I.Pitas and M.G.Signorini, "Non-linear algorithms for processing biological signals", Computer Methods and Programs in Biomedicine, vol. 51, no. 1,2, October, 1996.
  5. D.Coltuc and I.Pitas, "Morphological Residual Representations of Signals", IEEE Trans on Image Processing, vol. 5, no.11, November, 1996.
  6. E.Kofidis, S.Theodoridis, C.Kotropoulos and I.Pitas, "Nonlinear Adaptive Filters for Speckle Suppression in Ultrasonic Images", ignal Processing, Elsevier, vol. 52, no. 3, August, 1996.
  7. C.Kotropoulos and I.Pitas, "Adaptive LMS L-filters for Noise Suppression in Images", IEEE Transactions on Image Processing, vol. 5, no. 12, December, 1996.
  8. N.Nikolaidis and I.Pitas, "Multichannel L-filters Based on Reduced Ordering", IEEE Transactions on Circuits and Systems for Video Technology, vol. 6, no. 5, October, 1996.
  9. I.Pitas and P.Kiniklis, "Multichannel techniques in color image enhancement and modeling", IEEE Transactions on Image Processing, vol. 5, no. 1, January, 1996.
  10. I.Pitas, C.Kotropoulos, N.Nikolaidis, R.Yang and M.Gabbouj, "Order Statistics Learning Vector Quantizer", IEEE Transactions on Image Processing, Special Issue on Nonlinear Image Processing, vol. 5, no. 6, June, 1996.

1995

  1. K.Lyroudia, N.Nikolaidis, I.Pitas and C.Palakidis, "Three computer methods to reconstruct pulpal blood vessels and nerves", Journal of Endodontics, vol. 21, no. 10, October, 1995.
  2. K.Lyroudia, C.Palakidis, A.Manthos, N.Nikolaidis, I.Pitas and C.Foroglou, "Computerized reconstruction of TEM examined pulpal blood vessels and nerves", Endodontics and Dental Traumatology, vol. 11, no. 4, pp. 189-195, 1995.

1994

  1. G.Angelopoulos and I.Pitas, "Multichannel Wiener filters in color image restoration", IEEE Transactions on Circuits and systems for video technology, vol. 4, no. 1, February, 1994.
  2. C.Kotropoulos, X.Magnisalis, I.Pitas and M.G.Strintzis, "Nonlinear ultrasonic image processing based on signal-adaptive filters and self-organizing neural networks", IEEE Transactions on Image Processing, vol. 3, no. 1, January, 1994.
  3. C.Kotropoulos and I.Pitas, "Multichannel L-filters based on marginal data ordering", IEEE Transactions on Signal Processing, vol. 42, no. 10, October, 1994.
  4. N.Nikolaidis and I.Pitas, "Directional statistics in nonlinear vector field filtering", Signal Processing, pp. 299-316, 1994.
  5. I.Pitas, "Optimization and adaptation of discrete-valued digital filter parameters by simulated annealing", IEEE Transactions on Signal Processing, vol. 42, no. 4, April, 1994.

1993

  1. G.Angelopoulos and I.Pitas, "Two-dimensional FFT algorithms on hypercube and mesh machines", Signal Processing, vol. 30, no. 3, February, 1993.
  2. P.Ligdas and I.Pitas, "Parallel algorithms and architectures for two-dimensional butterfly-like transforms", Signal Processing, vol. 34, pp. 314-324, 1993.
  3. K.Lyroudia, N.Nikolaidis, I.Pitas, P.Zervas and C.Palakidis, "Computerized three-dimensional reconstruction: a method to study pulpal vessels and nerves", Journal of Endodontics, vol. 19, no. 12, December, 1993.
  4. I.Pitas and A.N.Venetsanopoulos, "Knowledge-based image analysis for geophysical interpretation", Journal of Intelligent and robotic systems, vol. 7, pp. 115-137, 1993.

1992

  1. C.Kotropoulos and I.Pitas, "Constained adaptive LMS L-filters", Signal Processing, vol. 26, no. 3, March, 1992.
  2. C.Kotropoulos and I.Pitas, "Optimum nonlinear signal detection and estimation in the presence of ultrasonic speckle", Ultrasonic Imaging, vol. 14, no. 3, July, 1992.
  3. I.Pitas, E.Milios and A.N.Venetsanopoulos, "A minimum entropy approach to rule learning from examples", IEEE Transactions on Systems, Man and Cybernetics, vol. 22, no. 4, July-August, 1992.
  4. I.Pitas and C.Kotropoulos, "A texture-based approach to the segmentation of seismic images", Pattern Recognition, vol. 25, no. 9, pp. 929-945, 1992.
  5. I.Pitas and A.N.Venetsanopoulos, "Order statistics in digital image processing", Proc. IEEE, vol. 80, December, 1992.
  6. I.Pitas and A.N.Venetsanopoulos, "Morphological shape representation", Pattern Recognition, vol. 25, no. 6, pp. 555-565, 1992.

1991

  1. I.Pitas and A.N.Venetsanopoulos, "Adaptive filters based on order statistics, IEEE Transactions on Acoustics", peech and Signal Processing, vol. ASSP-39, no. 2, February, 1991.
  2. I.Pitas and P.Tsakalides, "Multivariate ordering in color image filtering", IEEE Transactions on Circuits and Systems for Video Technology, vol. 1, no. 3, September, 1991.
  3. I.Pitas and A.Maglara, "Range Image analysis by using morphological signal decomposition", Pattern Recognition, vol. 24, no. 2, pp. 165-181, 1991.
  4. I.Pitas and N.Sidiropoulos, "Pattern recognition of binary image objects using morphological shape decomposition", Computer vision and image understanding, pp. 279-305, 1991.
  5. I.Pitas and S.Vougioukas, "LMS order statistics filter adaptation by backpropagation", Signal Processing, vol. 25, pp. 319-335, 1991.

1990

  1. I.Pitas and A.N.Venetsanopoulos, "Morphological shape decomposition", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-12, no. 1, January, 1990.
  2. I.Pitas, "Marginal order statistics in color image filtering", Optical Engineering, vol. 29, no. 5, invited paper, May, 1990.

1989

  1. I.Pitas, "Fast algorithms for running ordering and max/min selection", IEEE Transactions on Circuits and Systems, vol. CAS-36, no. 6, June, 1989.

1988

  1. I.Pitas and M.G.Strintzis, "Floating point error analysis of two-dimensional Fast Fourier Transform Algorithms", IEEE Transactions on Circuits and Systems, vol. CAS-35, no. 1, January, 1988.
  2. I.Pitas and A.N.Venetsanopoulos, "Bayesian estimation in seismic migration", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-36, no. 2, February, 1988.
  3. I.Pitas and A.N.Venetsanopoulos, "Bayesian estimation of medium properties in wavefield downward extrapolation problems", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-36, May, 1988.
  4. I.Pitas and A.N.Venetsanopoulos, "A new filter structure for the implementation of certain classes of image processing operations", IEEE Transactions on Circuits and Systems, vol. CAS-35, June, 1988.
  5. I.Pitas, "Markovian image models for image labeling and edge detection", Signal Processing, vol. 15, December, 1988.

1987

  1. I.Pitas and M.G.Strintzis, "Multidimensional cyclic convolution algorithms with minimal multiplicative complexity", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-35, no. 3, March, 1987.
  2. I.Pitas and M.G.Strintzis, "Algorithms for the reduction of the I-O operations in the calculation of the two-dimensional DFT", Signal Processing, vol. 12, pp. 277-289, 1987.
  3. I.Pitas and A.N.Venetsanopoulos, "Towards a knowledge-based system for automated geophysical interpretation of seismic data", Signal Processing, vol. 13, pp. 229-253, 1987.

1986

  1. I.Pitas and M.G.Strintzis, "General in-place calculation of Discrete Fourier Transforms of multidimensional sequences", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-34, no. 3, June, 1986.
  2. I.Pitas and A.N.Venetsanopoulos, "Nonlinear mean filters in image processing, IEEE Transactions on Acoustics", Speech and Signal Processing, vol. ASSP-34, no.3, June, 1986.
  3. I.Pitas and A.N.Venetsanopoulos, "Edge detectors based on nonlinear filters", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-8, no.4, July, 1986.
  4. I.Pitas and A.N.Venetsanopoulos, "Nonlinear order statistic filters for image filtering and edge detection", Signal Processing, vol. 10, no.3, June, 1986.
  5. I.Pitas and A.N.Venetsanopoulos, "The use of symmetries in the design of multidimensional digital filters", IEEE Transactions on Circuits and Systems, vol. CAS-33, no. 10, September, 1986.
  6. I.Pitas and A.N.Venetsanopoulos, "Detection of wave reflectors and wave sources in the earth subsurface", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-34, no.5, October, 1986.

1985

  1. I.Pitas and M.G.Strintzis, "Algorithms and structures for convolutions over Galois fields, IEEE Transactions on Acoustics", Speech and Signal Processing, vol. ASSP-33, no. 2, April, 1985.
  2. I.Pitas and A.N.Venetsanopoulos, "Two-dimensional realization of digital filters by transform decomposition", IEEE Transactions on Circuits and Systems, vol. CAS-32, no. 10, October, 1985.
  3. I.Pitas and M.G.Strintzis, "Special algorithms for convolutions over Galois Fields", Discrete Mathematics, vol. 56, pp. 245-253, 1985.
  4. I.Pitas and A.N.Venetsanopoulos, "Transform decomposition in two-dimensional digital filter realization", IMACS transactions: special issue on Mathematics and Computers in Simulation, vol. 27, pp. 559-583, 1985.

1983

  1. I.Pitas and C.S.Burrus, "Speed and error analysis of digital convolutions algorithms using rectangular transforms", Signal Processing, vol. 5, March, 1983.

  1. I.Pitas, "Autonomous driving: Part 1-sensing and perception", IEEE Signal Processing Magazine, Volume 37, pp 11-13, .

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