Television – Image signal processing circuitry specific to television – Gray scale transformation
Reexamination Certificate
2005-04-21
2008-05-20
Hsia, Sherrie (Department: 2622)
Television
Image signal processing circuitry specific to television
Gray scale transformation
C348S631000
Reexamination Certificate
active
07375770
ABSTRACT:
A method for luminance transition improvement includes the following steps: inputting an image comprising a plurality of pixels comprising a first pixel; generating an extreme gray level according to the plurality of pixels; generating a first gray level difference according to the gray level of the first pixel and the extreme gray level; generating a first gray level adjustment value according to the first gray level difference, a first weighted value, a second weighted value, and a first order differential value of the gray level of the first pixel relative to a spatial coordinate; and generating an adjusted gray level of the first pixel according to the first gray level adjustment value and the gray level of the first pixel.
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patent: 6363526 (2002-03-01), Vlahos
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patent: 350185 (1990-01-01), None
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Himax Technologies Inc.
Hsia Sherrie
Hsu Winston
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