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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