| 发明名称 |
Reduction of artifacts in halftone screens |
| 摘要 |
A dot cluster halftone screen is modified to reduce harmonic artifacts by modelling artifacts from the screen in a frequency domain (210) and modifying threshold values in the screen to reduce amplitude of at least some of the modelled artifacts (212).
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| 申请公布号 |
EP1596572(A2) |
申请公布日期 |
2005.11.16 |
| 申请号 |
EP20050252935 |
申请日期 |
2005.05.12 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
FISCHER, MANI;SHAKED, DORON |
| 分类号 |
B41J2/52;G03F1/00;G06T1/00;G06T5/00;H04N1/40;H04N1/405;(IPC1-7):H04N1/40 |
主分类号 |
B41J2/52 |
| 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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