发明名称 |
Pseudo-halftoning device, image forming apparatus, and image forming system |
摘要 |
An image forming system includes a pseudo-halftoning device; an image forming apparatus that forms a toner image on a recording medium; and a reading apparatus that read the toner image on the recording medium, in which the pseudo-halftoning device is such that pseudo-halftoning is performed on a target image by using a threshold matrix set including a plurality of threshold matrices, one threshold matrix for use is selected from the threshold matrix set according to a position of the target image to be used in the pseudo-halftoning performed on the target image, the threshold matrices in the threshold matrix set are identical with one another in periodic structure but different from one another only in a gradation characteristic, and a threshold matrix to be used is determined based on toner-image information data obtained by reading the toner image by the reading apparatus.
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申请公布号 |
US8553287(B2) |
申请公布日期 |
2013.10.08 |
申请号 |
US20110929991 |
申请日期 |
2011.03.01 |
申请人 |
YASUTOMI KEI;FUNAHASHI KAZUKI;SONE TAKUROH;RICOH COMPANY, LIMITED |
发明人 |
YASUTOMI KEI;FUNAHASHI KAZUKI;SONE TAKUROH |
分类号 |
H04N1/405 |
主分类号 |
H04N1/405 |
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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