发明名称 Image processing apparatus, image processing method, and recording medium
摘要 An image processing method comprises an extracting process of extracting a characteristic amount of an input image, a generating process of generating a high frequency component of the input image, a gradation converting process of converting a gradation of the input image on the basis of the characteristic amount, and an adding process of adding the high frequency component to the input image whose gradation has been converted.
申请公布号 US7050648(B1) 申请公布日期 2006.05.23
申请号 US19990396740 申请日期 1999.09.15
申请人 CANON KABUSHIKI KAISHA 发明人 SHINBATA HIROYUKI
分类号 G06K9/00;G06K9/40;G06T5/00;G06T5/40;H04N5/32 主分类号 G06K9/00
代理机构 代理人
主权项
地址