Image processing method and image processing apparatus,...

Details Image processing method and image processing apparatus,... Image processing method and image processing apparatus,...

2007-11-13

2007-11-13

Rogers, Scott A. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003240, C358S453000, C382S194000, C382S282000

Reexamination Certificate

active

10673109

ABSTRACT:
A parameter representing whether an effective density pixel exists in an objective image is calculated. As to each interest pixel in the objective image having one pixel neighboring a downstream side in a first direction, the interest pixel is defined as an effective density pixel when a first condition and a second condition is an effective density pixel are satisfied, and in other case, the interest pixel is defined as an ineffective density pixel. The objective image is converted to an update image on one-line reduced lines in the first direction. A parameter representing whether an effective density pixel exists in the update image is calculated. The conversion and the calculation are repeated about the update image as the objective image. When the objective image converts one line in the first direction, the number of continuous pixels of the effective density pixels spatially continuing is calculated based on each parameter.

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Mitsuo Kaji; “Print Image Engineering For Print and Electric Engineers”; First Edition; Insatsugakkai Shuppanbu; Jun. 15, 1988; pp. 269-278; with partial English language translation of marked portion of p. 272.

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