Image reading device and method, and image forming apparatus, with pixel value correction based on estimated image data of non-reading region
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Mar 29, 2017
filing date -
Mar 31, 2016
priority date (Note) -
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Abstract
An estimated image data calculator is configured to calculate, as estimated image data, for each of image data of respective colors outputted from an imaging element, on the basis of a pixel value of a first pixel on one of two lines adjacent to each other in the image data, and a pixel value of a second pixel on the other of the two lines and adjacent to the first pixel, image data of a non-reading region between a reading region in a document corresponding to the one of the two lines and a reading region in the document corresponding to the other of the two lines. A pixel value correcting unit is configured to correct at least one of the pixel value of the first pixel and the pixel value of the second pixel on the basis of the estimated image data.
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