发明名称 Color image processing apparatus and color image processing method
摘要 The color image processing apparatus comprises; a compressing/extending section for compressing the BRG input signals, storing the compressed signals in the page memory, restoring the compressed BGR input signals, and outputting the restored signals; a color converting section for receiving the restored signals and converting the restored signals to YMC signals; a ink block generating and ground removing section for generating a K (black) signal according to the YMC signals and removing the ground; and an area separation type of filter for grouping a plurality of pixels in to blocks, identifying the type of image of each block, and generating an area separation signal for an intermediate tone, a black character, or a colored character.
申请公布号 US6480623(B1) 申请公布日期 2002.11.12
申请号 US19990282456 申请日期 1999.03.31
申请人 RICOH COMPANY, LTD. 发明人 YAGISHITA TAKAHIRO;OUCHI SATOSHI
分类号 B41J2/525;G06T1/60;G06T5/00;G06T5/40;H04N1/40;H04N1/46;H04N1/60;H04N1/64;(IPC1-7):G06K9/00 主分类号 B41J2/525
代理机构 代理人
主权项
地址
您可能感兴趣的专利