Reports of the Technical Conference of the Institute of Image Electronics Engineers of Japan
Online ISSN : 2758-9218
Print ISSN : 0285-3957
Reports of the 200th Technical Conference of the Institute of Image Electronics Engineers of Japan
Session ID : 02-07-34
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Host: The Institute of Image Electronics Engineers of Japan

Detection and correction of reading errors in scanner image
Color shift detection of color portions
*Keitaro Kawai, Norimasa Hikosaka, Makoto Ohoki, Sumihisa Hashiguchi, Mineo Kubota, Mitsuo Tsuchiya
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Keywords: Scanner, Reading errors, Color shift
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Abstract
A method is proposed for detection and correction of reading errors in the images scanned by a sheet-through scanner. In portions with high contrast the misalignments among the R, G and B edges are detected as errors. The corrections are performed by shifting both the right edge and the left edge to the position of the center edge.
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© 2003 by The Institute of Image Electronics Engineers of Japan
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