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Etude d'adequation algorithme-architecture pour terminaux multimedia portables: segmentation d'images par un reseau de processeurs asynchrones

Abstract : This thesis aims to answer to the following question: Is it possible to implement an object oriented video coder into a multimedia handset? In order to provide a piece of answer to this large problem, this thesis aims to study the algorithm architecture adequacy of the segmentation operator needed by the whole system. We propose a totaly unsynchronized version of the segmentation algorithm Hill-Climbing, and its asynchronous microelectronic implementation.

After a state of the art about segmentation algorithms, we propose a new asynchronous version of Hill-Climbing algorithm where each pixel is autonomous. We demonstrate that its comportment get to a correct picture segmentation. With the SystemC hardware modeling environment, we simulate and validate architectures from the finest granularity (one asynchronous processor per pixel) to the coarsest, and we demonstrate that the algorithm-architecture couple is appropriate. Finally, a low level conception in CHP and VHDL language shows the feasibility of such a circuit.
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https://tel.archives-ouvertes.fr/tel-00003241
Contributor : Lucie Torella <>
Submitted on : Wednesday, August 6, 2003 - 5:43:01 PM
Last modification on : Thursday, November 19, 2020 - 3:56:18 PM
Long-term archiving on: : Friday, April 2, 2010 - 6:37:02 PM

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  • HAL Id : tel-00003241, version 1

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B. Galilee. Etude d'adequation algorithme-architecture pour terminaux multimedia portables: segmentation d'images par un reseau de processeurs asynchrones. Micro et nanotechnologies/Microélectronique. Institut National Polytechnique de Grenoble - INPG, 2002. Français. ⟨tel-00003241⟩

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