Image generating apparatus and method

G - Physics – 06 – T

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G06T 11/00 (2006.01) G06T 5/20 (2006.01) G06T 15/40 (2006.01) G06T 15/50 (2006.01)

Patent

CA 2239279

An image generating apparatus comprising a multi-plane buffer comprising a plurality of planes, and can record R, G, B, A and Z values as pixels, and a multi-plane buffer processor which stores in said multi-plane buffer in sequence from closest distance from a vantage point a plurality of defocus data which is data consisting of object model data that has been at least coordinate converted, hidden surface processed, and defocus processed, and which assigns R, G, B, A and Z values to each pixel, this object model data being derived from an object whose positional relationships are to be represented from a vantage point using depth of field, which is the effective focus range within which the object is focused.

Dispositif générateur d'images comprenant une mémoire tampon à multiples plans, capable d'enregistrer des valeurs R, G, B, A et Z en tant que pixels, et processeur de mémoire tampon multiplan. Le processeur enregistre en séquence dans ladite mémoire, à partir de la distance la plus rapprochée d'un point d'observation, un certain nombre de données de défocalisation, lesquelles sont des données de modèle objet ayant au moins subi une conversion de coordonnées, un traitement de surface cachée et un traitement de défocalisation, et il affecte des valeurs R, G, B, A et Z à chaque pixel, ces données de modèle objet étant tirées d'un objet dont les relations de position doivent être représentées à partir d'un point d'observation au moyen de la profondeur de champ, qui correspond à la distance de focalisation efficace de l'objet.

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