Position deviation order detection method, image position deviation correction method, streak unevenness correction table creation method, and streak unevenness correction method
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United States of America Patent
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May 9, 2017
Grant Date -
Dec 29, 2016
app pub date -
Sep 8, 2016
filing date -
Mar 28, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A position deviation order detection method according to the invention calculates a difference between input image data of an original image used for printing an image using an inkjet printer and output image data acquired by reading the image using a scanner for each pixel, and compares the calculated difference with a first threshold value to extract pixels for which the difference is equal to or larger than the first threshold value, and detects the size of a position deviation of the image by the number of pixels of a closed pixel group among the extracted pixels.
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