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Patent Searching and Data


Title:
IMAGE PROCESSING METHOD AND IMAGE PROCESSOR
Document Type and Number:
Japanese Patent JP2008263448
Kind Code:
A
Abstract:

To provide an image processing method capable of reducing the number of patches and highly accurately correcting output.

The image processing method is for recording images according to image data using two or more colors of ink, and a correction table for correcting recording data is selected separately in two stages. In the first stage, the plurality of patches in which the mixing ratio of two or more colors of the ink is different are recorded, and on the basis of the information of the patch selected from the plurality of recorded patches, one group is selected from a plurality of groups including the plurality of correction tables for correcting the recording data to be used for recording images. In the second stage, the patch selected in the first stage and the plurality of patches composed of the difference of the mixing ratio smaller than the difference of the mixing ratio of each of the plurality of patches recorded in the first stage are recorded, and one correction table is selected from the plurality of correction tables corresponding to the group selected in the first stage on the basis of the information of the patch selected from the plurality of recorded patches.


Inventors:
HATAKE KENJI
Application Number:
JP2007105210A
Publication Date:
October 30, 2008
Filing Date:
April 12, 2007
Export Citation:
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Assignee:
CANON KK
International Classes:
H04N1/46; B41J2/01; G06T1/00; H04N1/60
Domestic Patent References:
JP2000153607A2000-06-06
JPH10278352A1998-10-20
JP2002044472A2002-02-08
JP2000153641A2000-06-06
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe