Method for aligning a lattice of points in response to...

G - Physics – 06 – T

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G06T 17/20 (2006.01) G06T 3/40 (2006.01) G06T 5/00 (2006.01)

Patent

CA 2432948

A system and method for generating a lattice of points that respects features in a digital image. The method comprises a process for initializing the lattice, and a process for optimizing the configuration of that lattice with respect to the image features. The optimization process operates by adjusting points of the lattice to extremize a composite function of the spatial coordinates of the lattice points. The lattice points are interpreted as atoms. Each lattice point contributes a potential function to an atomic potential field. The image represents another potential field. The composite function is a weighted sum of the atomic and image potential fields evaluated at the lattice points.

L'invention concerne un système et un procédé de production d'un réseau de points respectant des caractéristiques d'une image numérique. Ce procédé comprend un processus de démarrage du réseau, ainsi qu'un processus d'optimisation de la configuration de ce réseau par rapport aux caractéristiques de l'image. Le processus d'optimisation consiste à régler des points du réseau, de manière à extrémiser une fonction composée des coordonnées spatiales des points du réseau. Ces points sont interprétés en tant qu'atomes. Chaque point du réseau apporte une fonction potentielle à un champ atomique potentiel. L'image représente un autre champ potentiel. La fonction composée consiste en une somme pondérée des champs atomique et potentiel d'image évalués au niveau des points du réseau.

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