发明名称 Image processing apparatus
摘要 An image processing apparatus, which reduces occurrence of color-unevenness and a color shift under low illuminance and high illuminance, includes a data processing means for obtaining image data, converts the image data into frequency data in a frequency band, and performs certain processing on the frequency data, an illuminance detection means for detecting illuminance of the obtained image data, and a changing means for changing the predetermined data processing on certain frequency data in accordance with a result of the illuminance detection.
申请公布号 US7444031(B2) 申请公布日期 2008.10.28
申请号 US20080970213 申请日期 2008.01.07
申请人 CANON KABUSHIKI KAISHA 发明人 FUKUZAWA KEIICHI
分类号 G06K9/36;H04N5/14;G06T5/10;G06T9/00;H04N1/41;H04N7/30;H04N9/07;H04N9/64;H04N11/04 主分类号 G06K9/36
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