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Climbing on Pyramids
A new approach is proposed for finding the "best cut" in a hierarchy of partitions by energy minimization. Said energy must be "climbing" i.e. it must be... -
3D image analysis with variational methods and wavelets : applications to med...
Medical procedures have become a critical application area that makes substantial use of image processing. Medical image processing tasks mainly deal with image... -
Modeling non-standard retinal in/out function using computer vision variation...
We propose a computational approach using a variational specification of the visual front-end, where ganglion cells with properties of retinal Konio cells (K-cells),... -
A Class of generalized Laplacians on vector bundles devoted to multi-channels...
In the context of fiber bundles theory, there exist some differential operators of order 2 , called generalized Laplacians, acting on sections of vector bundles over... -
Constrained Sparse Texture Synthesis
International audience -
Variational Exemplar-Based Image Colorization
International audience -
Mathematical and numerical modelling of fluids at nanometric scales
This work presents some contributions to the mathematical and numerical modelling of fluids at nanometric scales. We are interested in two levels of modelling. The... -
Existence of steady states for the Maxwell-Schrödinger-Poisson system: explor...
This paper is intended to review recent results and open problems concerning the existence of steady states to the Maxwell-Schrödinger system. A combination of tools,... -
Energy minimization methods
Energy minimization methods are a very popular tool in image and signal processing. This chapter deals with images defined on a discrete finite set. Energy... -
Stationary solutions of Keller-Segel type crowd motion and herding models: mu...
In this paper we study two models for crowd motion and herding. Each of the models is of Keller-Segel type and involves two parabolic equations, one for the evolution... -
Fast Ordering Algorithm for Exact Histogram Specification
This paper provides a fast algorithm to order in a strict way the integer gray values in digital images which can be applied for exact histogram specification. Our... -
Variational and topological methods for the study of nonlinear models from re...
This thesis is devoted to the study of nonlinear models from relativistic quantum mechanics.In the first part, we show thanks to a shooting method, the existence of... -
Variational methods for model-based image segmentation - applications in medi...
Within the wide field of medical imaging research, image segmentation is one of the earliest but still open topics. This thesis focuses on model-based segmentation... -
Fonctions presque-périodiques et Équations Différentielles
This PhD thesis deals with the evolution equations and is organised in three parts. The first part is devoted to the almost periodic solutions of certain differential... -
On the existence of almost periodic solutions for a class of neutral delay di...
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