Enhancing contrast

Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control

Reexamination Certificate

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Details

C345S077000, C345S204000, C345S207000, C345S690000, C345S692000

Reexamination Certificate

active

07545397

ABSTRACT:
Video processing for enhancing contrast includes detecting the ambient light levels on a display, performing local contrast enhancement processing to emphasize the luminance component based on the detected ambient light levels to provide a processed video signal, and presenting the processed video signal on the display.

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Office Action in Chinese Application No. 200510113877.2, dated May 9, 2008.
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