Method of effacing zipper image
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United States of America Patent
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app pub date -
Aug 30, 2006
filing date -
Nov 8, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of effacing zipper image, applicable to scan a document by a scanner with a stagger charge-coupled device. The nth (n is a positive integer) pixel obtained by scan on a scan line at which the zipper image is produced is subtracted by the (n+1)th pixel obtained by scan on the scan line. The absolute value of the result is then compared to a critical value. If the result is smaller than the critical value, the nth pixel is the nth pixel modified as the nth pixel after process.
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