Method and apparatus for nonlinear coding with 1st order...

Details Method and apparatus for nonlinear coding with 1st order... Method and apparatus for nonlinear coding with 1st order...

2006-03-22

2008-10-28

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

C345S443000, C345S440000

Reexamination Certificate

active

07443397

ABSTRACT:
This invention discloses a transforming apparatus, according to a transforming curve, for transforming a first image to a second image. The first image includes a plurality of pixels. The transforming apparatus includes a differentiating module, a first transforming module, an adjusting module and a second transforming module. According a predetermined value, the differentiating module transforms the transforming curve into a plurality of sub-curves. The first transforming module generates a plurality of straight lines corresponding to the sub-curves. According to the sub-curves, the straight lines and a predetermined threshold, the adjusting module adjusts the straight lines to generate a plurality of approximate lines. According to the approximate lines and the pixels of the first image, the second transforming module generates the second image.

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patent: 6515699 (2003-02-01), Tanji et al.
patent: 1467683 (2004-01-01), None
Xinhong Lin; Method for Establishing Gamma Conversion Table and Gamma Correcting Method According to the This Table; esp@cenet database; Publication No. CN1467683: Publication Date: Jan. 14, 2004; http://v3.espacenet.com.

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