TSI Department H. Matre. May 03. P 1 Signal and Image TSI Department Henri Matre TSI Department H. Matre. May 03. P 2 The Lab Staff : 33 GET 9 CNRS PhD candidates : ~ 45 Post-Docs, sabbatical, research assistants : ~ 10 TSI Department H. Matre. May 03. P 3 Research groups COD : Coding AAO : Acoustics, & Optics TII : Image Processing and Understanding TSAC : Statistical Processing for Signal and Communications PAM : Perception, Learning and Modelling TSI Department H. Matre. May 03. P 4 COD : Coding Robust hierarchical coding of video and audio signal (MPEG 4 and the forth...) Audio and video Watermarking Multimedia for foreign language learning Bit rate reduction of still images Compression and spatialization of audio signal within MPEG 4 framework Watermarking and steganography as hidden channels for mediametry and multimedia applications TSI Department H. Matre. May 03. P 5 Hierarchical coding of video B. Pesquet Relationships between wavelets coefficients in a 2D +t spatio-temporal coder TSI Department H. Matre. May 03. P 6 Acoustics and Optics Acoustical signal processing applied to musics Acoustical signal processing applied to audio prothesis Dynamical holography as a tool for image processing and communication switching TSI Department H. Matre. May 03. P 7 Digital directionnal microphone Analog Digital Improving the directivity diagram of a microphone: better symmetry, smaller back scattering. Y. Grenier TSI Department H. Matre. May 03. P 8 Help for hearing disabled persons Inverting the deficient ear : enlarging critical bands and compensating for the cochlear loss. Collaboration with Avicenne and Crisal Hopital. J. Prado, T. Fillon TSI Department H. Matre. May 03. P 9 Image Processing and Understanding medical image processing: brain aerial and satellite image processing radar Visible range : urban areas and cities restoration and processing of multi-images 3D and object processing TSI Department H. Matre. May 03. P 10 Brain modelling Recognition of cerebral structures from a medical atlas based on graph matching I. Bloch, A. Perchant TSI Department H. Matre. May 03. P 11 3D object acquisition and modelling Adaptive mesh for museum applications F. Schmitt, Carlos Hernandez, Alejandro Ribes. TSI Department H. Matre. May 03. P 12 3D acquisition and modeling of cities The city of Amiens from 4 images with a resolution of 20 cm per pixel M. Roux TSI Department H. Matre. May 03. P 13 SAR Interfrometry Tropospheric fringe correction by modelling and filtering image brute MNE phase filtre F. Chaabane, F. Tupin TSI Department H. Matre. May 03. P 14 Traitement du Signal et Applications aux Communications Statistical modeling for digital communications (equalisation, antenna networks, modulation, etc.) Algorithmic infrence methods (EM, HMM) Temporal series Sources separation Data mining TSI Department H. Matre. May 03. P 15 Traffic on the web paquets TCP reus par un routeur par seconde probabilits dappartenance des classes de densit croissante Estimation par MCMC O. Capp, F. Roueff TSI Department H. Matre. May 03. P 16 Source Separation for imagerie multi-channel astrophysics Separation of sources from the deep sky cosmologic background J.F. Cardoso TSI Department H. Matre. May 03. P 17 Perception, Learning, Modelling Colour perception modelling Hand-writting variability Multimedia documents Modelling speach production Modelling the central motor control of human beings TSI Department H. Matre. May 03. P 18 Abnormal vision of colours normal deutranope protanope H. Brettel TSI Department H. Matre. May 03. P 19 Publications TSI Department H. Matre. May 03. P 20 activit contractuelle