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Amélioration de l'image dans le domaine spatial et ondulatoire
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ISBN10: 6200822816
ISBN13: 9786200822819
Publisher: Editions Notre Savoir
Published: Jul 26 2025
Pages: 52
Weight: 0.18
Height: 0.12 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786200822819
Publisher: Editions Notre Savoir
Published: Jul 26 2025
Pages: 52
Weight: 0.18
Height: 0.12 Width: 6.00 Depth: 9.00
Language: French
Les techniques de débruitage d'images basées sur les transformations ondulatoires et le filtrage spatial sont devenues des outils courants dans un grand nombre d'applications et de domaines de recherche. Cependant, la recherche d'une technique efficace de débruitage d'images reste un défi à relever. En effet, quelle que soit la qualité de l'appareil photo utilisé, une amélioration de l'image est toujours nécessaire pour étendre le champ d'action. De nombreuses techniques ont été introduites jusqu'à présent, mais la plupart d'entre elles sont basées soit sur les propriétés spatiales d'une image, soit sur les propriétés multi-résolution des pixels de l'image. C'est pourquoi un algorithme amélioré basé sur la combinaison de caractéristiques d'images multi-résolution et du domaine spatial a été proposé. La méthodologie repose sur un algorithme initialement développé pour les images qui sont visualisées ou traitées à plusieurs résolutions à l'aide d'un seuillage par ondelettes, puis sur des techniques de filtrage spatial afin d'améliorer encore la qualité de l'image. Cet algorithme de débruitage surpasse les techniques de débruitage standard en termes de plusieurs mesures quantitatives.
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