Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2006-01-25
2009-11-17
Williams, Kimberly A (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S003060, C358S003130, C358S534000
Reexamination Certificate
active
07619778
ABSTRACT:
Threshold matrixes for a C-separation and an M-separation of main colors are used to convert a continuous-tone image subjected to color separation into dot patterns for the C-separation and the M-separation. The dot patterns are binary images in which no screen ruling or screen angle is defined. Then, a color image is reproduced by overlaying the dot patterns for the C-separation and the M-separation. When the dot patterns for the C-separation and the M-separation are converted into patterns in the frequency domain, main frequency components obtained by the conversion have a substantially-constant predetermined pattern frequency for all angles, and the intensity distribution of the main frequency components is varied based on the C-separation and the M-separation.
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FUJIFILM Corporation
Sughrue & Mion, PLLC
Williams Kimberly A
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