发明授权
- 专利标题: Multi-level halftoning providing reduced error diffusion artifacts
- 专利标题(中): 多级半色调提供减少的误差扩散伪像
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申请号: US12040055申请日: 2008-02-29
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公开(公告)号: US08018623B2公开(公告)日: 2011-09-13
- 发明人: Douglas W. Couwenhoven , Kevin E. Spaulding
- 申请人: Douglas W. Couwenhoven , Kevin E. Spaulding
- 申请人地址: US NY Rochester
- 专利权人: Eastman Kodak Company
- 当前专利权人: Eastman Kodak Company
- 当前专利权人地址: US NY Rochester
- 代理商 Raymond L. Owens; Kevin E. Spaulding
- 主分类号: G06K15/00
- IPC分类号: G06K15/00
摘要:
A method for multi-level error diffusion halftoning an input digital image to form an output digital image with reduced error diffusion texture contouring artifacts which includes modifying the input pixel values for a fraction of the input pixels using a periodic dither signal, where the fraction is a function of the texture artifact characteristics of the multi-level error diffusion halftoning process.
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