发明申请
- 专利标题: COLOR ERROR DIFFUSION WITH ERROR SIGNAL OFFSETS
- 专利标题(中): 带有错误信号偏移的颜色错误扩展
-
申请号: US11468971申请日: 2006-08-31
-
公开(公告)号: US20080055649A1公开(公告)日: 2008-03-06
- 发明人: Kevin E. Spaulding , Douglas W. Couwenhoven
- 申请人: Kevin E. Spaulding , Douglas W. Couwenhoven
- 主分类号: G06K15/00
- IPC分类号: G06K15/00
摘要:
A method for multi-toning an input digital image having input pixels with two or more color channels to form an output digital image having modified output levels. The method includes producing shifted error signals for each color channel, weighting the shifted error signals to determine weighted error signals for nearby pixels that have yet to be processed; producing shifted weighted error signals; and adjusting the input levels for the nearby pixels responsive to the shifted weighted error signals.
公开/授权文献
- US07564589B2 Color error diffusion with error signal offsets 公开/授权日:2009-07-21
信息查询