Picture signal contrast control

Details Picture signal contrast control Picture signal contrast control

2006-05-23

2006-05-23

Yenke, Brian (Department: 2614)

Television

Image signal processing circuitry specific to television

Gray scale transformation

C348S603000, C348S673000, C348S675000, C348S678000, C348S686000, C382S274000, C345S604000, C345S617000

Reexamination Certificate

active

07050114

ABSTRACT:
The present invention relates to controlling contrast in at least part of a picture. The contrast control is performed by reducing the saturation (2–4) of the picture during contrast increase (1).

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“Demo” developed by Christopher C. Yang; hhtp://ai.bpa.Arizona.edu/-chrisy/demo.html; pp. 1-2.

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