LTS5 / EPFL - Homepage

LTS5 Homepage

The Signal Processing Lab 5 (LTS5) is a group of researchers led by Prof. Jean-Philippe Thiran, working at the Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland. LTS5 is one of the EPFL Signal Processing Laboratories.

Our research activities focus on digital image analysis.

We have a special interest in the following methodologies:

Image segmentation, with a particular interest in
- Modeling prior knowledge in image segmentation, through PDE's and variational methods, Behavioural models or Atlas-based segmentation,
- Segmentation of unusual image types: Non-scalar images (tensors, functions) and Images living in non-Euclidean spaces or on manifolds.
Multimodal signal processing: Extraction and fusion of information from signal/images of different modalities.

Our application fields include:

Audio-visual speaker detection and speech recognition,
Face detection, recognition and facial expression recognition,
Gesture recognition,
Omnidirectional image segmentation and analysis,
Medical image analysis, including multimodal image registration, atlas-based segmentation, brain connectivity analysis by diffusion MR image processing, etc.

NEWS

[September 11, 2009] New book! The book entitled "Multimodal Signal Processing, theory and applications for human-computer interaction", edited by Jean-Philippe Thiran, Ferran Marqués (UPC Barcelona) and Hervé Bourlard (Idiap Research Institute & EPFL) is in press and will be published soon by Academic Press.

[August 5, 2009] The paper "Congenital heart disease affects local gyrification in 22q11.2deletion syndrome" by Marie Schaer, Bronwyn Glaser, Meritxell Bach Cuadra, Martin Debbane, Jean-Philippe Thiran and Stephan Eliez, has been published on-line in Developmental Medicine & Child Neurology. Congratulations Marie!
[August 3, 2009] The paper "Fast Texture Segmentation Based on Semi-local Region Descriptor and Active Contour", by Nawal Houhou (LTS5), Jean-Philippe Thiran (LTS5) and Xavier Bresson (UCLA) has been accepted for publication in Numerical Mathematics: Theory , Methods and Applications.
[July 29, 2009] The paper "Active Contour-Based Segmentation of Head and Neck with Adaptive Atlas Selection", by Subrahmanyam Gorthi (LTS5), Meritxell Bach Cuadra (LTS5 & CIBM), Pierre-Alain Tercier (Hôpital Fribourgeois), Abdelkarim S. Allal (Hôpital Fribourgeois) and Jean-Philippe Thiran (LTS5), has been accepted for an oral presentation at the MICCAI workshop on 3D Segmentation Challenge for Clinical Applications. Congratulations Gorthi!
[June 10, 2009] The paper "A Scale-Space of Cortical Feature Maps" by D. Zosso and J.-P. Thiran, has been accepted in the IEEE Signal Processing Letters.
[February 26, 2009] The paper "Classification of Tensors and Fiber Tracts Using Mercer-Kernels Encoding Soft Probabilistic Spatial and Diffusion Information", by Radhouène Neji and Nikos Paragios (Ecole Centale, Paris) and Jean-Philippe Thiran has been accepted at CVPR2009.
[January 12, 2009] And another one: Nawal Houhou successfully presented her private PhD defense. Congratulations to Nawal! Public presentation on Friday, Feb. 27th.
[December 2008] the paper entitled "Predicting Human Resting-State Functional Connectivity from structural Connectivity", by C. Honey, O. Sporns, L. Cammoun, X. Gigandet, J.-P. Thiran, R. Meuli and P. Hagmann, has been accepted to the Proceedings of the National Academy of Sciences of the USA.
[December 17, 2008] Mihai Gurban successfully presented his thesis (private defense). Congratulation to him. The public presentation will take place on Friday, January 16th, 2009.
[November 28, 2008] Another LTS5 PhD: Laura Gui successfully presented her PhD thesis entitled "A collaborative Approach to Image Segmentation and Behavior Recognition from Image Sequences". Congratulations!
[November 2008] The paper entitled "Estimating the Confidence Level of White Matter Connections Obtained with MRI Tractography", by X. Gigandet, P. Hagmann, M. Kurant, L. Cammoun, R. Meuli and J.-P. Thiran, has been accepted in PLosOne.
[September 10, 2008] Dr Marie Schaert, MD-PhD student co-supervised by Prof. Thiran and Prof. Stefan Eliez (Geneva School of Medicine) very successfully presented her PhD thesis. Congratulations Dr Marie!
[August 2008]] The paper entitled "Segmentation of head and neck lymph node regions for radiotherapy planning, using active contour based atlas registration", by S. Gorthi, V. Duay, N. Houhou, M. Bach Cuadra, U. Schick, M. Becker, A.S. Allal and J.-P. Thiran, has been accepted to the Journal of selected topics in signal processing.
[June 20, 2008] Nicolas Fête, PhD student co-supervised by Prof. Thiran and Prof. Yann Barrandon, successfully presented his PhD thesis on "Acquisition and registration of confocal images of dense tissues". Congratulations Dr Fête.
[May 2008] The paper entitled "Mapping the Structural Core of Human Cerebral Cortex" has been accepted in PLos Biology.
[April 2008] The LTS5 new website is online!!
[March 2008] EUSIPCO-2008, the 16th European Signal Processing Conference, chaired by Prof. J.-Ph. Thiran, received more than 1'050 submissions of papers!
[March 2008] The paper "Cooperative Object Segmentation and Behavior Inference in Image Sequences" by Laura Gui, Nikos Paragios (Ecole Centrale, Paris) and J.-Ph. Thiran has been accepted in the International Journal of Computer Vision, subject to minor revision.

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