Method of color conversion for use in a compact printer system

Details Method of color conversion for use in a compact printer system Method of color conversion for use in a compact printer system

2007-02-06

2007-02-06

Popovici, Dov (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000

Reexamination Certificate

active

10943908

ABSTRACT:
A method of converting, in an image processor, from a first tri-color space to a second tri-color space, said method comprising the steps of reading color components of pixels of an image stored in a first tri-color space; performing tri-linear conversion of said color components from said first color space to said second color space by executing a single interpolation in each cycle; and storing said converted color components in a specific storage location; wherein said step of performing color conversion is performed five times to produce two extra L* components for use in sharpening a converted image.

REFERENCES:
patent: 4275413 (1981-06-01), Sakamoto et al.
patent: 5471324 (1995-11-01), Rolleston
patent: 5592312 (1997-01-01), Noguchi
patent: 5592591 (1997-01-01), Rolleston
patent: 5699491 (1997-12-01), Barzel
patent: 5809181 (1998-09-01), Metcalfe
patent: WO 99/04368 (1999-01-01), None

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