IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD

PROBLEM TO BE SOLVED: To form a uniform image having image density prevented from fluctuating greatly to reduce irregularity in image density when the image is formed in a predetermined region (pixel region) of a recording medium by a plurality of times of scanning by a recording head. SOLUTION: Whe...

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Bibliographische Detailangaben
Hauptverfasser: OZASA TAKESHI, ISHIKAWA ZENICHI, ABE JUNKICHI, KATSUMA MAKOTO, ENDO HIROSHI, MIYAKE HIROYUKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To form a uniform image having image density prevented from fluctuating greatly to reduce irregularity in image density when the image is formed in a predetermined region (pixel region) of a recording medium by a plurality of times of scanning by a recording head. SOLUTION: When generating a plurality of multivalued image data corresponding to a plurality of times of scanning, based on input image data expressing the image to be formed in the predetermined region, the plurality of multivalued image data are generated by making the values of the plurality of multivalued image data different from one another. Hence, even when registration between dots formed by the plurality of times of scanning is changed, the change of the image density is suppressed. COPYRIGHT: (C)2011,JPO&INPIT