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Title:
IMAGE PROCESSING APPARATUS
Document Type and Number:
Japanese Patent JP2013021594
Kind Code:
A
Abstract:

To provide an image processing apparatus which keeps a document easy to read while keeping information on colors in an original color document even in monochromatic output of a color document.

An image processing apparatus 1 which converts color image data to monochromatic image data comprises: an attribute discrimination part 2 which discriminates a colored thin line in the color image data; and a pattern processing part 4 which converts the colored thin line discriminated by the attribute discrimination part 2 to black and adds a monochromatic pattern image corresponding to original colors to the thin line.


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Inventors:
HAKAMATA JUNICHI
Application Number:
JP2011154714A
Publication Date:
January 31, 2013
Filing Date:
July 13, 2011
Export Citation:
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Assignee:
RISO KAGAKU CORP
International Classes:
H04N1/46; B41J2/525; G06T1/00; H04N1/60
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Shunichi Takahashi



 
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