发明名称 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, PROGRAM, AND RECORDING MEDIUM
摘要 <P>PROBLEM TO BE SOLVED: To provide an image processing apparatus for improving the image quality of a multi-value image including characters. <P>SOLUTION: The image processing apparatus for applying correction to the multi-value image including characters to improve the image quality of the multi-value image detects edges and edge directions of the multi-value image to be processed, selects a filter adaptive to the detected edge directions, and uses the selected filter to correct the image. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006217058(A) 申请公布日期 2006.08.17
申请号 JP20050025350 申请日期 2005.02.01
申请人 RICOH CO LTD 发明人 HASEGAWA FUMIHIRO
分类号 H04N1/409;G06T5/20 主分类号 H04N1/409
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