Image processing apparatus and image processing method for forming a high-quality image by controlling superimposition of dots to be printed in multi-pass printing

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United States of America Patent

PATENT NO 9237254
APP PUB NO 20130194593A1
SERIAL NO

13742609

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Abstract

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This invention generates a high-quality image by controlling the superimposition relationship between dots to be printed in multi-pass printing by a printhead including a plurality of printing elements. When a yellow dot is printed after printing a cyan dot in one scan in multi-pass printing, image data serving as a processing target is generated as follows. In cyan and yellow halftone image data for each scan, halftone image data having dots at a common pixel are set to correspond to a scan in which yellow dot data precedes cyan dot data. A yellow dot is printed as a layer lower than a cyan dot.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yanai, Tomokazu Yokohama, JP 36 223

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