Output and store processed image data

Details Output and store processed image data Output and store processed image data

2006-10-31

2006-10-31

Tran, Phuoc (Department: 2624)

Image analysis

Color image processing

Compression of color images

C382S167000

Reexamination Certificate

active

07130462

ABSTRACT:
When JPEG data is open on a personal computer10, YCbCr to RGB conversion is carried out. The converted RGB data may include negative color values and color values of and over 256, which are outside of a 0 to 255 color value range in the sRGB color space generally used on the personal computer10. The negative color values and the color values of and over 256 included in the RGB data are linearly compressed into color values in the 0 to 255 color value range, are subjected to image processing, and are then linearly expanded. This arrangement effectively reduces deterioration of the image processed RGB data relative to the original RGB data.

REFERENCES:
patent: 6388674 (2002-05-01), Ito et al.
patent: 6633668 (2003-10-01), Newman

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