IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND PROGRAM

申请公布号：JP2008085619(A)

申请号：JP20060262911

申请日期：2006.09.27

申请公布日期：2008.04.10

申请人：

FUJI XEROX CO LTD

发明人：MATSUZAKI YOSHIKI;YASHIMA TAKASHI;KAZAMA TOSHIYUKI

分类号：H04N1/40;B41J2/52;G03G15/36;H04N1/387;H04N1/46;H04N1/60

主分类号：H04N1/40

摘要：<P>PROBLEM TO BE SOLVED: To suppress the occurrence of defective images even if screen processing is executed after a positional deviation of pixels is corrected by image processing. <P>SOLUTION: An image 1 has been screen-processed in a line in a direction at an angle of 45&deg; to the main scanning and sub-scanning directions. After shifting up the image 1 to correct a declining skew, the arrangement of the pixels is as shown by an image 1u, which causes black lines. In order to eliminate the black lines, a pixel P1 (black pixel) arranged at a certain position in the image 1u is replaced by (inverted into) a white pixel as shown in the image 1p, thus fading the black lines. <P>COPYRIGHT: (C)2008,JPO&INPIT

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