Image data conversion apparatus, image data conversion...

Details Image data conversion apparatus, image data conversion... Image data conversion apparatus, image data conversion...

2007-03-27

2007-03-27

Lee, Thomas D. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S504000

Reexamination Certificate

active

09965851

ABSTRACT:
In an image data conversion apparatus for converting input image data of four colors consisting of cyan, magenta, yellow and black into output image data, there is provided a detection section for detecting an existence of a point or an area on an image in which any one of cyan, magenta and yellow has a value exceeding a first predetermined value, and black has a value exceeding a second predetermined value, in accordance with the input image data, and a conversion section having two modes of a first mode wherein said input image data is converted into output image data which is independent of an existence of said detection section, and a second mode wherein in the event that the detection section detects an existence of the point or the area, the input image data is converted into an output image data which is representative of an existence of the point or the area.

REFERENCES:
patent: 6012792 (2000-01-01), Sievert et al.
patent: 6256462 (2001-07-01), Maeda et al.
patent: 6343847 (2002-02-01), Torpey et al.

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