Image-processing device and method of image-processing

Details Image-processing device and method of image-processing Image-processing device and method of image-processing

1998-06-23

2000-06-27

Tadayon, Bijan

Image analysis

Color image processing

382260, G06K 900

Patent

active

060816155

ABSTRACT:
By fixing the area of interpolation or by enlarging it at a ratio smaller than the magnification ratio of texture cells in relation to pixels, to provide an image-processing device and method of image-processing whereby the display image is not subject to excessive fuzziness. CPU 1 determines the display position of objects including texture on the display image. A texture calculator 3 calculates and determines the coordinates of the pixels on the actual display image which correspond to each texture cell. On the basis of these coordinates, a texture interpolator 5 extracts texture data from a texture memory 4, and determines the value of each pixel on the actual display image in accordance with this data. The texture interpolator 5 employs a box filter to determine the interpolation area, but since the size of the box filter is fixed at the same size as that of the pixels which constitute the display image, it does not create any excessive fuzziness on the display image.

REFERENCES:
patent: 4851825 (1989-07-01), Naiman

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