Method and system for motion compensation in a temporal...

Details Method and system for motion compensation in a temporal... Method and system for motion compensation in a temporal...

G - Physics

06

T

G06T 7/20 (2006.01) G06T 11/00 (2006.01)

Patent

CA 2568115

A method and system for performing motion compensation in a temporal sequence of images include performing a conjugate gradient maximization of a similarity measure between two images, based on the local cross-correlation of corresponding regions to obtain a displacement field for warping one of the images. The non-singularity of the deformation is ensured by utilizing a composition of regularized gradients of the similarity measure when building the solution

L'invention concerne un procédé et un système d'exécution d'une compensation de mouvements dans une séquence temporelle d'images consistant à exécuter une maximisation de gradient conjugué d'une mesure de similitude entre deux images, sur la base de la corrélation croisée locale de régions correspondantes afin d'obtenir un champ de déplacement pour déformer une des images. La non singularité de la déformation est assurée par utilisation d'une composition de gradients régularisés de la mesure de similitude lors de l'élaboration de la solution.

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