发明授权
US5493416A Method combining error diffusion and traditional halftoning with
arbitrary screen orientation
失效
将误差扩散与传统半色调与任意屏幕方向相结合的方法
- 专利标题: Method combining error diffusion and traditional halftoning with arbitrary screen orientation
- 专利标题(中): 将误差扩散与传统半色调与任意屏幕方向相结合的方法
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申请号: US332011申请日: 1994-10-31
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公开(公告)号: US5493416A公开(公告)日: 1996-02-20
- 发明人: Zhigang Fan
- 申请人: Zhigang Fan
- 申请人地址: CT Stamford
- 专利权人: Xerox Corporation
- 当前专利权人: Xerox Corporation
- 当前专利权人地址: CT Stamford
- 主分类号: G06T5/00
- IPC分类号: G06T5/00 ; H04N1/405 ; H04N1/40
摘要:
A block-based error diffusion technique allows for the printing of colored images having arbitrary screen orientations. The technique improves reproducibility by only compensating for errors arising from quantization in selected "critical blocks".
公开/授权文献
- US6117146A Vasculopath 公开/授权日:2000-09-12
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