Method and apparatus for image processing, and medium

Details Method and apparatus for image processing, and medium Method and apparatus for image processing, and medium

G - Physics

06

T

G06T 1/00 (2006.01) G06T 5/20 (2006.01)

Patent

CA 2297168

For image processing with a simplified low-cost device, a main CPU (31) issues a draw command to instruct a rendering engine (41) to perform convolution filtering. In response to this command, the rendering engine (41) performs convolution filtering by overwriting the drawing area repeatedly with the value of the pixel data of a texture area of an image memory (43) multiplied by a convolution filter coefficient.

Afin de procéder à un traitement d'images à l'aide d'un dispositif simplifié à moindre coût, une unité centrale de traitement principale (UCT)(31) émet une instruction de dessin demandant à un moteur de rendu (41) d'effectuer un filtrage par convolution . En réponse à cette instruction, ce moteur de rendu (41) effectue le filtrage par convolution demandé en procédant de manière répétée à une superposition d'écriture sur la zone de dessin, au moyen de la valeur des données pixels d'une zone de texture d'une mémoire image (43), cette valeur étant multipliée selon un coefficient de filtrage par convolution.

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