A method for temporal interpolation of an image sequence...

G - Physics – 06 – T

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G06T 5/50 (2006.01) G06T 7/20 (2006.01) H04N 7/01 (2006.01) H04N 7/36 (2006.01)

Patent

CA 2279797

A method for temporal interpolation of an image sequence using object-based image analysis is disclosed. The method comprises the steps of image segmentation for partitioning a known image into objects, motion estimation, object-based motion field processing, determination of object depth order, detection of covered areas and newly exposed areas, adaptive interpolation using motion projection, and graceful degradation for alleviating remaining visible artifacts. The method produces interpolated images of high quality in real time for every type of image areas including fast moving objects, covered areas, and newly exposed areas.

Une méthode d'interpolation temporelle d'une séquence d'images en utilisant une analyse d'image fondée sur les objets. La méthode comprend les étapes de la segmentation d'images pour le découpage d'une image connue dans les objets, l'évaluation du mouvement, le traitement des champs du mouvement fondé sur les objets, la détermination de l'ordre de profondeur de l'objet, la détection des zones couvertes et nouvellement exposées, l'interpolation adaptative en utilisant la projection du mouvement, et la dégradation progressive pour atténuer les artefacts encore visibles. La méthode produit des images interpolées de haute qualité en temps réel pour chaque type de zones d'image, y compris les objets se déplaçant rapidement, les zones couvertes et les zones nouvellement exposées.

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