发明名称 |
Binarization processing apparatus and method |
摘要 |
<p>A binarization processing apparatus for converting multi-value image data into binary image data is constructed by pixel groups in which pixels to be binarized are divided into a plurality of groups, a plurality of memories which correspond to the pixel groups and hold data in a binarization processing step, a control unit which performs the reading operation for one of the plurality of memories and simultaneously performs the writing operation for the other memory, and a unit for performing the converting process on the basis of an error diffusing method. The plurality of memories have a single common input/output port. <IMAGE></p> |
申请公布号 |
EP0762733(A2) |
申请公布日期 |
1997.03.12 |
申请号 |
EP19960114334 |
申请日期 |
1996.09.06 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TATENO, TETSUYA;FURUYA, ATSUSHI |
分类号 |
H04N1/403;H04N1/405;(IPC1-7):H04N1/405 |
主分类号 |
H04N1/403 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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