发明名称 Image processing method and apparatus
摘要 Disclosed are an image processing method and apparatus for converting the processed block of bi-level image data to a block having a size conforming to the magnification of zoom processing and deciding, based upon the pixel pattern of the bi-level image data, output values within the converted processed block. The output values are decided in such a manner that pixel density of the bi-level image data is preserved within the converted processed block.
申请公布号 US6233366(B1) 申请公布日期 2001.05.15
申请号 US19970927066 申请日期 1997.09.10
申请人 CANON KABUSHIKI KAISHA 发明人 USHIDA KATSUTOSHI
分类号 H04N1/387;G06T3/40;H04N1/393;(IPC1-7):G06K9/32 主分类号 H04N1/387
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