Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2007-03-22
2010-02-09
Sajous, Wesner (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S591000, C345S601000, C345S549000, C345S606000, C348S557000, C348S612000, C348S703000, C358S515000, C358S518000, C358S520000, C358S001900, C382S162000, C382S167000, C382S254000, C382S274000
Reexamination Certificate
active
07659910
ABSTRACT:
The invention discloses a hue dividing and judging device including a memory unit, a calculation module, and a judgment module. The memory unit is used for storing a look-up table, and the look-up table records N boundaries, wherein the N boundaries includes j+1 operative boundaries for defining j color areas. The calculation module is used for calculating the hue of each pixel of an input image. According to the look-up table, the judgment module is used for judging where the hue of each pixel falls within two of the operative boundaries, so as to judge that the hue of the pixel of the input image falls into which one of the color areas. Accordingly, if there are more operative boundaries recorded in the look-up table, the hue will be divided into more color areas, and the user will have more choices for adjusting the color of the input image.
REFERENCES:
patent: 4989079 (1991-01-01), Ito
patent: 5309228 (1994-05-01), Nakamura
patent: 6788441 (2004-09-01), Ohkawa
patent: 2004/0174550 (2004-09-01), Ohkawa
patent: 2006/0164700 (2006-07-01), Hayashi
Hsu Kai-Hsiang
Kao Hsu-Chia
Shan Yi-Chia
Tsai Tsan-Hung
Birch & Stewart Kolasch & Birch, LLP
Marketech International Corp.
Sajous Wesner
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