Image processing method for generating multi-level data

Details Image processing method for generating multi-level data Image processing method for generating multi-level data

2007-11-13

2007-11-13

Lee, Thomas D. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003050, C358S003220, C382S252000

Reexamination Certificate

active

10741806

ABSTRACT:
A method of processing image data when generating multi-level data having arbitrary levels with arbitrary level spacing. The method scales the value of the input pixel to a common level spacing in relation to the arbitrary level spacing in which the input pixel resides. The scaled input data is then treated and processed in the same manner as processing image data with a binary output. The same processing functions, operations and values can be readily applied to data within each level without regard to the level spacing or output levels.

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patent: 5307425 (1994-04-01), Otsuka
patent: 5661570 (1997-08-01), Nomura
patent: 5835238 (1998-11-01), Mantell
patent: 6351566 (2002-02-01), Zlotnick

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