Image processing device and recording medium

Details Image processing device and recording medium Image processing device and recording medium

2005-05-31

2005-05-31

Lee, Thomas D. (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C382S262000

Reexamination Certificate

active

06901170

ABSTRACT:
An image processing apparatus and a recording medium which can improve the quality of a color document image. Smoothing conditions which are defined by three parameters of “filter size”, “offset”, and “overlap” are set. An edge image which was generated in an edge detection processing is referred to, and a determination is made as to whether an edge pixel exists in a noticed region. When the edge pixel does not exist in the noticed region, a smoothing processing is carried out. When the edge pixel exists in the noticed region, it is determined inappropriate to effect the smoothing processing, and the process goes to a subsequent processing without effecting the smoothing processing. The processing is carried out until the image scanning ends. When the image scanning ends, the next smoothing conditions are set and the processing which is the same as the one described above is performed.

REFERENCES:
patent: 5418899 (1995-05-01), Aoki et al.
patent: 6055340 (2000-04-01), Nagao
patent: 6185334 (2001-02-01), Cheung et al.
patent: A 8-22532 (1996-01-01), None
patent: A 10-243250 (1998-09-01), None

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