G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 3/00 (2006.01) G06T 5/00 (2006.01) H04N 1/387 (2006.01)
Patent
CA 2702163
An image generation method for generating image information of an image C by using an image A and an image B having a bit depth higher than that of image A. Image C having the same bit depth as image B is generated by increasing the bit depth of image A by means of tone mapping; presence or absence of a point in image B corresponding to each pixel position of image C and the position of the relevant corresponding point are estimated; and to each pixel position in image C for which it is estimated that there is a corresponding point, image information of the corresponding position in image B is assigned. It is possible to generate image information at each pixel position in image C for which it is estimated in the corresponding point estimation that there is no corresponding point, by using the image information assigned according to an estimation result that there is a corresponding point.
L'invention porte sur un procédé de génération d'image, qui génère des informations d'image d'une image (C) à partir d'une image (A) et d'une image (B) qui est supérieure en profondeur binaire par rapport à l'image (A), réalise le mappage de tonalité de l'image (A) pour générer l'image (C) qui a la même profondeur binaire que l'image (B) ; estime chaque position de pixel de l'image (C), l'existence ou l'absence de son point correspondant dans l'image (B) et une position de son point correspondant ; et règle des informations d'image de la position correspondante dans l'image (B) à la position de pixel (C) où l'existence du point correspondant est estimée. Des informations d'image à la position de pixel dans l'image (C) où l'absence du point correspondant est estimée par l'estimation de point correspondant peuvent être constituées à partir de telles informations d'image d'après lesquelles l'existence du point correspondant est estimée et est réglée.
Kamikura Kazuto
Kimata Hideaki
Shimizu Shinya
Yashima Yoshiyuki
Marks & Clerk
Nippon Telegraph And Telephone Corporation
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