Biography Research Publications Teaching Miscellaneous





REsearch Group on Intelligent Machines

National Engineering School of Sfax, Tunisia


 

 

 


Chokri BEN AMAR

 

Phone:+216 74 274 088 (527)

Fax: +216 74 275 595

Emails : chokri.benamar@ieee.org
chokri.benamar@enis.rnu.tn chokri.benamar@gmail.com

Professionnal Address : National Engineering School of Sfax (ENIS), University of Sfax, Soukra street, B.P. 1173, 3038 Sfax Tunisia. 














 
 
Key Words

Image processing, wavelet analysis, neural networks, wavelet networks, image coding, video coding, multiresolution 3D mesh coding, video watermarking, audio watermarking, image indexing, face detection, face recognition, image classification, data approximation, motion estimation, multimodal signals, emotion annotation, Knowledge extraction, video learning.

Current Research Interest

- 1D, 2D and 3D approximation

- Geometry coding of 3D static multiresolution surface meshes

- Lattice vector quantization for image indexing

- Image classification using wavelet networks

- 3D face recognition using depth images and wavelet networks

- Knowledge extraction and automatic learning in videos

- Emotion detection, extraction and annotation.

- Blind audio watermarking using wavelet networks and Psychoacoustic Model

- Mosaic images and shadow detection for video watermarking

- Wavelet networks for key insertion and detection in videos

Thesis - Supervisor of 15 Doctoral Thesis


Former PHD students (supervised or co-supervised)

- Mourad ZAIED, Etude des réseaux d’Ondelettes Bêta: application à la reconnaissance de visage, (February 2008).

- Wajdi BELLIL, Multi-library Beta Wavelet Networks Approximation: Application to Filter Synthesis and Image Analysis, (October 2009).

- Olfa JEMAI, Apprentissage automatique des réseaux d’ondelettes : Application à la classification d’images, (March 2010).

-  Maher ELARBI, A Wavelet Domain Video Watermarking Approach, (November 2010)

-  Mohamed KOUBAA, Tatouage Robuste de la Vidéo Basé sur la Notion des Régions d’Intérêt, Co-supervised thesis with Pr. Henri NICOALS from Labri Laboratory in Bordeaux1 University, (November 2010)

- Mahmoud MEJDOUB, Indexation Sémantique des images basée sur la quantification vectorielle des réseaux de points réguliers, Co-supervised thesis with Pr. Marc ANTONINI from I3S Laboratory in Sophia Antipolis University, (December 2010)

- Anis MEFTEH, Compression et codage scalable d’objets 3D pour leur visualisation et manipulation sur des systèmes hétérogènes, codirection, Region PACA/CNRS grant, in collaboration with professor Marc ANTONINI of I3S laboratory Nice France, (November 2011)

- Akram ELKEFI, Compression de maillages 3D par transformée en ondelettes géométriques (AUF Grant, Co-supervised thesis with professor Marc ANTONINI of I3S laboratory Nice France, (December 2011).

- Mohamed OTHMANIA Contribution to the Study of Multidimensional Wavelet Network Training Algorithms and their Applications, (March 2012).


PHD students doing research under my supervision (supervised or co-supervised)

- Sameh MEGRHI KHANFIR, Extraction Multimodale et Indexation de Documents Multimédia (since September 2010. "Cotutelle" CMCU Grant, in collaboration with professor Wided MSEDDI SOUIDENE of L2TI laboratory University of PARIS 13).

- Imen TAYARI, Représentation, annotation et détection des émotions dans les signaux multimodaux (since October 2008. "Cotutelle" Averroes Grant, in collaboration with professor Nhan LE THANH of I3S laboratory Nice France).

- Wael BEN SOLTANA, Optimisation de la fusion forme et texture pour la reconnaissance 2D/3D de visages (since October 2008. "Co-direction" MENRT grant, in collaboration with professor Liming CHEN of LIRIS laboratory Lyon France).

- Najib BENAOUN, Apprentissage intelligent pour le suivi d’objets et l’analyse de la vidéo (since October 2008).

- Maha CHARFEDDINE, Etude et Exploitation du modèle psychoacoustique dans une application de tatouage Audio (since October 2007).

- Salwa SAID, Etude et exploitation des courbes géodésiques pour la reconnaissance de visages 3D(since October 2007. "Cotutelle" CMCU Grant, in collaboration with professor Mohamed DAOUDI of LIFL laboratory Lille France).