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Vers un système de vision auto-adaptatif à base de systèmes multi-agents

Jason Mahdjoub 1
CRESTIC - Centre de Recherche en Sciences et Technologies de l'Information et de la Communication - EA 3804
Abstract : Although several image processing approaches exist, each of them was introduced in order to be used in a specific set of applications. In fact, image processing algorithms are fundamentally too different in order to be merged in a natural way. Moreover, due to their rigidity, they are unable to adapt themselves when a non-previously programmed problem appears as it could be the case in our framework. Indeed, vision is an auto-adaptive phenomenon which can deal with singular situations by providing particular and adapted treatments. It is also a complex information processing. Therefore, vision should not be reduced to reductionist and simplifying representation. According to this thesis, a vision system could be developed as a whole in which each part adapts itself with others. Its parts cannot be considered separately due to the extreme tensions generated by the complexity and the intricacy of information. Each of them contributes locally to the vision and it is directed by a global objective incomprehensible at its level. We consider vision as a system which agents deliberate according to an interference produced by the decision potential of each agent. This deliberation is undertaken as the result produced by interferences of a solution superposition. Then, it emerges from the agent-based system a common decision which directs local actions of each agent or of each part of the system. After describing the main shape descriptors and segmentation algorithms and after introducing multi-agent systems on the image processing domain, we discuss on approaches for which vision is considered as a multi-agent system able to manage the inherent complexity of visual information. Then, we give two multi-agent models. The first one deals with an adaptive segmentation which doesn't need manual calibration through thresholds. The second one deals with shape representations through the search of pertinent wavelet coefficients. These two models respect classical image processing criteria. They also are case studies that should be developed in the search of an auto-adaptive vision system.
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Submitted on : Tuesday, January 28, 2014 - 1:34:40 PM
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  • HAL Id : tel-00937422, version 1



Jason Mahdjoub. Vers un système de vision auto-adaptatif à base de systèmes multi-agents. Imagerie médicale. Université de Reims - Champagne Ardenne, 2011. Français. ⟨tel-00937422⟩



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