Youssef CHAHIR

 HDR, Associate Professor
 University of Caen
 Researcher at Image team
 GREYC - CNRS UMR 6072
 Image Team - ENSICAEN

International Journals

  1. Deep CNN-based autonomous system for safety measures in logistics transportation. A. Rouari, A. Moussaoui, Y. Chahir,H. Tayyyab Rauf & S. Kadry Soft Computing. Springer 2021
  2. Deep rule-based classifier for finger knuckle pattern recognition system. A. Attia,Z. Akhtar, NE Chalabi, S. maza and Y. Chahir Evolving Systems, Springer-Verlag 2021
  3. Feature Level Fusion of Major and Minor Dorsal Finger Knuckle Patterns for Person Authentication. A. Attia, Z. Akhtar and Y. Chahir Signal, Image and Video Processing. Springer 2021
  4. Finger kunckcle patterns based person recognition via bank of multi-scale binarized statistical texture features. A. Attia, M. Chaa, Z. Akhtar and Y. Chahir Evolving Systems, Springer-Verlag. 2020
  5. Epileptic seizures identification with autoregressive model and Firefly Optimization based Classification. A. Attia, A. Moussaoui and Y. Chahir Evolving Systems, Springer-Verlag 2019
  6. Feature extraction in palmprint recognition using spiral of moment skewness and kurtosis algorithm. B. Attallah, A. Serir and Y. Chahir Pattern Analysis and Applications Journal. Springer 2019
  7. Superpixel-based Zernike Moments for Palm-print Recognition. B. Attallah, A. Serir, Y. Chahir and A. Boudjelal Int. Journal of Electronic Security and Digital Forensics. 2019
  8. Finger-Knuckle-Print Recognition System based on Features-Level Fusion of Real and Imaginary Images. A. Attia, A. Moussaoui, M. Chaa and Y. Chahir Journal on Image and Video Processing. ICTACT. 2018
  9. HOG and BSIF of Wavelet sub-band Based Palmprint Features Extraction. B. Attallah, A. Serir, Y. Chahir and A. Boudjelal Journal of Electronic Imaging. 2017
  10. An EEG-fMRI fusion analysis based on symmetric techniques using Dempster Shafer theory. A. Attia, A. Moussaoui and Y. Chahir Journal of Medical Imaging and Health Informatics. 2017
  11. Label maps fusion for marginal segmentation of multi-component images. S. Alkama, Y. Chahir and D. Berkani Neural Network World journal. 2015
  12. Efficient multimodal biometric database construction and protection schemes. A. Kebbeb, M. Mostefai, F. Benmerzoug and Y. Chahir Int. Arab Journal Information Technology. 2015
  13. Efficient online signature authentication approach. K. Saidani, M. Mostefai, A. Bouziane and Y. Chahir. Journal of Electronic Imaging. 2014
  14. Unified Framework for Human behaviour recognition : An Approach using 3D Zernike moments. A. Bouziane, Y. Chahir, M. Molina and F. Jouen. Neurocomputing journal. Elsevier 2013
  15. Moving Objects Tracking in Video by Graph Cuts and Parameter Motion Model. K. Housni,D. Mammass and Y. Chahir. International Journal of Computer Applications 2012
  16. Markovian Approach using Several Gibbs Energy for Remote Sensing Images Segmentation. S. Alkama, Y. Chahir and D. Berkani. Analog Integrated Circuits and Signal Processing. Springer 2011
  17. A Multi-Modal Recognition System Using Face and Speech. S. Akhrouf, Y. Belayadi, M. M. Mostefai and Y. Chahir. International Journal of Computer Science Issues 2011
  18. Nonlocal video denoising, simplification and inpainting using discrete regularization on graphs. M. Ghoniem, Y. Chahir and A. Elmoataz. Signal Processing Journal. Springer 2010
  19. Diffusion approach for interactive image retrieval. Hassan Tabout, Youssef Chahir , and Abderrahman Sbihi Studia Informatica Universalis 2010
  20. Reconnaissance et catégorisation de l’activité manuelle humaine. Ba-Linhh Nguyen, Youssef Chahir , and Michèle Molina and François Jouen Studia Informatica Universalis 2010
  21. Efficient Real Time Face Tracking Operator Study and Implementation within Virtex FPGA Technology. M. Mostefai, J. Mechti and Y. Chahir. International Arab Journal of Information Technology 2007
  22. WebGuard: A Web Filtering Engine Combining Textual, Structural, and Visual Content-Based Analysis. M. Hammami, L. Chen and Y. Chahir. IEEE Transactions on Knowledge and Data Engineering 2006
  23. Using Visual Content-based Analysis with Textual and Structural Analysis for Improving Web Filtering. M. Hammami, L. Chen and Y. Chahir. International Journal of Web Information Systems 2005
  24. Searching Images on the Basis of Color Homogeneous Objects and their Spatial Relationship. Y. Chahir and L. Chen. Journal of Visual Communication and Image Representation 2000

International Conferences

  1. New Efficient Visual OILU Markers. Y. Chahir , M. Mostefai and H. Saidat The 25th International Conference on Image Processing, Computer Vision, & Pattern Recognition (IPCV'21) July 26-29, Las Vegas, USA 2021
  2. Projective Invariant 2D Marker Design. Y. Chahir , M. Mostefai and S. Khodja International Conference on Computer Vision and Image Processing (ICCVIP 2021) Istanbul, Turkey 2021
  3. Patch-based Identification of Lexical Semantic Relations. N. Bannour, G. Dias, Y. Chahir and H. Akhmouch 42nd European Conference on Information Retrieval (ECIR), 2020) Lisbon, Portugal 2020
  4. Geometrical local image descriptors for palmprint recognition. B. Attallah, A. Serir and Y. Chahir Int. Conf. on Image and Signal Processing (ICISP) Cherbourg, France 2018
  5. Application of BSIF, Log-Gabor and mRMR Transforms for Iris and Palmprint based Bi-modal Identification System. B. Attallah, A. Serir and Y. Chahir Int. Conf. on Advanced Technologies for Signal and Image Processing (ATSIP) Fez, Morocco 2017
  6. A new approach of action recognition based on Motion Stable Shape (MSS) features. I. Lassoued, E. Zagrouba and Y. Chahir Int. Conf. of Computer Systems and Applications (AICCSA) Agadir, Morocco 2016
  7. 3-D skeleton joints-based action recognition using covariance descriptors on discrete spherical harmonics transform. A. Alwani and Y. Chahir Int. Conf. on Image Processing (ICIP) Quebec City 2015
  8. Thermal Signature Using Non-redundant Temporal Local Binary-Based Features. A. Alwani, Y. Chahir and F. Jouen Int. Conf. on Image Analysis and Recognition (ICIAR) Algarve, Portugal 2014
  9. Neonatal events recognition using LBP descriptor and wavelet thresholding technique. A. Alwani, Y. Chahir and F. Jouen Int. Conf. on Multimedia Computing and Systems (ICMCS) Marrakech, Morocco 2014
  10. Appearance-based Eye Control System by Manifold Learning. K. Liang, Y. Chahir, C. Tijus and F. Jouen Int. Conf. on Computer Vision, Imaging and Computer Graphics Theory and Application(VISAPP) Lisbon, Portugal 2014
  11. 3D-Posture Recognition Using Joint Angle Representation. A. Alwani, Y. Chahir, D.E Goumidi, M. Molina and F. Jouen Int. Conf. on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU) Montpellier, France 2014
  12. Appearance-based gaze tracking with spectral clustering and semi-supervised Gaussian process regression. K. Liang, Y. Chahir, C. Tijus and F. Jouen ACM Conference on Eye Tracking South Africa (ETSA) Montpellier, France 2013
  13. Video Action Classification: A New Approach combining Spatio-temporal Krawtchouk Moments and Laplacian Eigenmaps. I. Lassoued, E. Zagrouba and Y. Chahir Int. Conf. of Signal Image Technology and Internet based Systems (SITIS) Dijon, France 2011
  14. An efficient approach for video action classification based on 3d Zernike moments. I. Lassoued, E. Zagrouba and Y. Chahir Int. Workshop on Multimedia and Semantic Technologies (MUST) Crete, Greece 2011
  15. Eye gaze tracking with free head movements using a single camera. B. L. Nguyen, Y. Chahir, M. Molina, C. Tijus and F. Jouen ACM Symp. on Information and Communication Technology (SoICT) Hanoi, Vietnam 2010
  16. Geometric and texture inpainting based on discrete regularization on graphs. M. Ghoniem, Y. Chahir, and A. Elmoataz Int. Conf. on Image Processing (ICIP) Cairo, Egypt 2009
  17. Free Eye Gaze Tracking using Gaussian Processes. B. L. Nguyen, Y. Chahir and F. Jouen Int. Conf. on Image Processing, Computer Vision and Pattern Recognition (IPCV) Las Vegas, USA 2009
  18. Face Recognition Using PCA and DCT. S. Akhrouf, A. Sehili, Y. Chahir and M. Mostefai Int. Conf. on Mems Nano, and Smart Systems (ICMENS) Dubai, EAU 2009
  19. A random walk through human behavior. Y. Zinbi, Y. Chahir, and A. Elmoataz Int. Conf. on Multimedia Content Access: Algorithms and Systems III (SPIE) California, USA 2009
  20. Video Denoising via Discrete Regularization on Graphs. M. Ghoniem, Y. Chahir, and A. Elmoataz Int. Conf. on Pattern Recognition (ICPR) Florida, USA 2008
  21. Video Denoising and Simplification via Discrete Regularization on Graphs. M. Ghoniem, Y. Chahir, and A. Elmoataz Int. Conf. on Advanced Concepts for Intelligent Vision System (ACIVS) Juan-les-Pins, France 2008
  22. Haptic Gesture Analysis and Recognition. Y. Chahir,M. Molina, F. Jouen and B. Safadi Int. Conf. on Intelligent Robots and Systems () Nice, France 2008
  23. Moving object Segmentation using optical flow with active contour model. Y. Zinbi, Y. Chahir, and A. Elmoataz Int. Conf. Information and Communication Technologies: from Theory to Applications (ICTTA) Damascus, Syria, 2008
  24. Skin-color detection using fuzzy clustering. Y. Chahir, and A. Elmoataz Int. Conf. on Control, Communications, and Signal Processing () Marrakech, Morocco 2006
  25. Combining Text And Image Analysis in The Web Filtering System. M. Hammami, Y. Chahir, and L. Chen Int. Conf. on Information Integration and Web-based Applications Services (iiWAS) Jakarta, Indonesia 2005
  26. Visual Object Detection Using General Gaussian in Active Region Model. Y. Zinbi, Y. Chahir, and A. Elmoataz Int. Conf. Complex Systems, Intelligence and Modern Technology Applications (CSIMTA) Cherbourg, France 2004
  27. Combining Text and Image Analysis in the WebGuard. M. Hammami, Y. Chahir and L. Chen Int. Conf. WWW/Internet () Algarve, Portugal 2003
  28. WebGuard: Web Based Adult Content Detection and Filtering System. M. Hammami, Y. Chahir and L. Chen Int. Conf. on Web Intelligence (ICWI) Halifax, Canada 2003
  29. Combining multiple image descriptions for browsing and retrieval. Y. Chahir and S. Jomni Int. Conf. on on Internet Imaging II (SPIE) California USA, 2001
  30. Automatic video segmentation and indexing. Y. Chahir and L. Chen Int. Conf. Intelligent Robots and Computer Vision XVIII : Algorithms, Techniques, and Active Vision () Boston, USA 1999
  31. Efficient Content-Based Image Retrieval based on color homogenous objects segmentation and their spatial relationship characterization. Y. Chahir and L. Chen Int. Conf. on Multimedia Computing and Systems (ICMCS) Florence, Italy 1999
  32. Spatialized Visual Features Based Image Retrieval. Y. Chahir and L. Chen Int. Conf. on Computers and Their Applications (ICMCS) Cancun, Mexico 1999
  33. Peano key rediscovery for content based retrieval of images. Y. Chahir and L. Chen Int. Conf. on Multimedia Storage and Archiving Systems II (SPIE) Dallas, USA 1997

National Conferences

  1. Segmentation marginale et vectorielle des images multi-composantes. S. Alkama, Y. Chahir and D. berkani International Conference on Artificial Intelligence and Information Technology (EICA2IT) Ouargla, Algérie 2014
  2. Les Moments de Zernike spatio-temporels pour la description et la classification des actions dans les vidéos. I. Lassoued, E. Zagrouba and Y. Chahir Extraction et Gestion de Connaissances (EGC-) Tanger, Maroc 2011
  3. Catégorisation des expressions faciales par marches aléatoires sur graphe. Y. Chahir, Y. Zimbi and K-E. Aziz Journées d'étude et d'échange COmpression et REprésentation des Signaux Audiovisuel (CORESA) Montpellier, France 2007
  4. Analyse et caractérisation de la texture par marches aléatoires locales sur graphe. Y. Chahir, K-E. Aziz and A. Elmoataz Groupe de Recherche et d'Etudes du Traitement du Signal et des Images (GRETSI) Troyes, France 2007
  5. Extraction d'objets vidéo : une approche combinant les contours actifs et le flot optique. Y. Zimbi, Y. Chahir and A. Elmoataz Extraction et Gestion des Connaissance (EGC) Lille, France 2006
  6. Détection des régions de couleur de peau dans l'image. M. Hammami, Y. Chahir L. Chen and D. Zighed Extraction et Gestion des Connaissance (EGC) Lille, France 2003
  7. Détection et extraction automatique de texte dans une vidéo: une approche par morphologie mathématique. S. Schupp, Y. Chahir and L. Chen Int. Conf. on Vision Interface () Halifax, Canada 2002
  8. Indexation d'images utilisant une segmentation par ensembles de niveaux. Y. Chahir, S. Schupp and L. Chen Extraction des connaissances et apprentissage (EGC) Montpellier, France 2002
  9. Segmentation en Sujets dans les Journaux Télévisés. W. Mahdi, L. Chen, Y. Chahir, D. Tsishkou and Y-H Liu Traitement et Analyse d'Images : Méthodes et Applications (TAIMA) Hammamet, Tunisie 2001