Image reading device and image reading method
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United States of America Patent
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Jul 29, 2014
Grant Date -
Jun 13, 2013
app pub date -
Dec 10, 2012
filing date -
Dec 12, 2011
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Abstract
An image reading device includes an arbitrating unit configured to obtain read data on a main-scan-line-by-main-scan-line basis from a first image sensor that reads one side of a document and read data on a main-scan-line-by-main-scan-line basis from a second image sensor that reads the other side of the document. The arbitrating unit transfers a piece of read data obtained from the first image sensor and the second image sensor alternately. The device also includes a reducing unit configured to perform reduction in image data including the read data in a sub-scanning direction in a way that thins on the transferred pieces of read data corresponding respectively to main scan lines; an image processing unit configured to perform image processing on the read data having undergone the thinning; and a transfer unit configured to transfer the read data having undergone the image processing to another unit.
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