专利名称：Color image processing apparatus and color
image processing method
发明人：Takahiro Yagishita,Satoshi Ouchi申请号：US09282456申请日：19990331公开号：US06480623B1公开日：20021112
专利附图：
摘要：The color image processing apparatus comprises; a compressing/extendingsection for compressing the BRG input signals, storing the compressed signals in thepage memory, restoring the compressed BGR input signals, and outputting the restored
signals; a color converting section for receiving the restored signals and converting therestored signals to YMC signals; a ink block generating and ground removing section forgenerating a K (black) signal according to the YMC signals and removing the ground; andan area separation type of filter for grouping a plurality of pixels in to blocks, identifyingthe type of image of each block, and generating an area separation signal for anintermediate tone, a black character, or a colored character.
申请人：RICOH COMPANY, LTD.
代理机构：Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
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