Signal and Image TSI Department Henri Matre TSI

Signal and Image TSI Department Henri Maître TSI Department 1

The Lab ý Staff : l l ý Ph’D candidates : l ý 33 GET 9 CNRS ~ 45 Post-Docs, sabbatical, research assistants : l ~ 10 TSI Department 2

Research groups COD : Coding ý AAO : Acoustics, & Optics ý TII : Image Processing and Understanding ý TSAC : Statistical Processing for Signal and Communications ý PAM : Perception, Learning and Modelling ý TSI Department 3

COD : Coding Robust hierarchical coding of video and audio signal (MPEG 4 and the forth. . . ) ý Audio and video Watermarking ý l l Multimedia 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 4

Hierarchical coding of video Relationships between wavelets coefficients in a 2 D +t spatio-temporal coder B. Pesquet TSI Department 5

Acoustics and Optics Acoustical signal processing applied to musics ý Acoustical signal processing applied to audio prothesis ý Dynamical holography as a tool for image processing and communication switching ý TSI Department 6

Digital directionnal microphone Digital Analog Improving the directivity diagram of a microphone: better symmetry, smaller back scattering. Y. Grenier TSI Department 7

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 8

Image Processing and Understanding ý ý medical image processing: brain aerial and satellite image processing l l radar Visible range : urban areas and cities restoration and processing of multiimages ý 3 D and object processing ý TSI Department 9

Brain modelling Recognition of cerebral structures from a medical atlas based on graph matching I. Bloch, A. Perchant TSI Department 10

3 D object acquisition and modelling Adaptive mesh for museum applications F. Schmitt, Carlos Hernandez, Alejandro Ribes. TSI Department 11

3 D acquisition and modeling of cities The city of Amiens from 4 images with a resolution of 20 cm per pixel M. Roux TSI Department 12

SAR Interférometry MNE Tropospheric fringe correction by modelling and filtering image brute F. Chaabane, F. Tupin phase filtrée TSI Department 13

Traitement du Signal et Applications aux Communications Statistical modeling for digital communications (equalisation, antenna networks, modulation, etc. ) ý Algorithmic inférence methods (EM, HMM) ý Temporal series ý Sources separation ý Data mining ý TSI Department 14

Traffic on the web paquets TCP reçus par un routeur par seconde probabilités d’appartenance à des classes de densité croissante Estimation par MCMC O. Cappé, F. Roueff TSI Department 15

Source Separation for imagerie multi-channel astrophysics Separation of sources from the deep sky cosmologic background J. F. Cardoso TSI Department 16

Perception, Learning, Modelling Colour perception modelling ý Hand-writting variability ý Multimedia documents ý Modelling speach production ý Modelling the central motor control of human beings ý TSI Department 17

Abnormal vision of colours deutéranope H. Brettel normal protanope TSI Department 18

Publications TSI Department 19

activité contractuelle TSI Department 20