专利名称:Method and apparatus for identification of
document skew
发明人:Bloomberg, Dan S.,Kopec, Gary E.申请号:EP90313313.0申请日:19901207公开号:EP0431962A2公开日:19910612
摘要:A method and apparatus for identifying and correcting for document skew.Lines of a bitmap are scanned and a variance in the number of ON (or OFF) pixels as afunction of angle of rotation is calculated (4, 6, 8). Skew of the original document occurswhen the variance is a maximum (10).
申请人:XEROX CORPORATION
地址:Xerox Square - 020 Rochester New York 144 US
国籍:US
代理机构:Reynolds, Julian David
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