发明名称 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD FOR PROCESSING SCREEN-PROCESSED IMAGE
摘要 When rotation processing is performed on an image obtained by screen processing, screen growth pattern changes and image quality changes. The image subjected to the screen processing is multi-value encoded by use of information of a dither matrix used for the screen processing, and a screen image is restored from the multi-value code after the rotation of the multi-value encoded image.
申请公布号 US2010103435(A1) 申请公布日期 2010.04.29
申请号 US20090608291 申请日期 2009.10.29
申请人 CANON KABUSHIKI KAISHA 发明人 NAMIKATA TAKESHI
分类号 H04N1/405;G06F15/00 主分类号 H04N1/405
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