Document scanner having replaceable backing and automatic selection of registration parameters
摘要
<p>A system and method for determining the registration parameters necessary for registration or edge detection processing to enable the flexibility of changing the color of backing to suit a given application. The method includes scanning the backing surface to obtain at least two sets of gray level values; (b) determining an average gray level for each of the two color channels; (c) selecting a registration channel based on the average gray level; (d) determining a gray level deviation for the registration channel; and (e) determining registration parameters based on the average gray level and the gray level deviation of the registration channel. <IMAGE></p>
申请公布号
EP1227650(A1)
申请公布日期
2002.07.31
申请号
EP20020000970
申请日期
2002.01.16
申请人
XEROX CORPORATION
发明人
BUCHAR, WAYNE A.;NAGARAJAN, RAMESH;HUEDEPOHL, RALP H.;YEOH, WILLIAM;HERLOSKI, ROBERT P.;MCGRAW, THOMAS C.;HARNEY, WILLIAM M.;BANIAK, JEFFREY L.