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US 7,444,031 B2Granted
Image processing apparatus
AssigneeCanon Kabushiki Kaisha
InventorKeiichi Fukuzawa
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Abstract
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.
Claims10
An image processing apparatus for decoding encoded image data, comprising:
- input means for inputting the encoded image data;
- data processing means for performing predetermined processing on the encoded image data;
- illuminance detection means for detecting illuminance of the encoded image data;
- and
- changing means for changing the operation of said data processing means on predetermined frequency data of the encoded image data in accordance with an output from said illuminance detection means.
2 more elements
Dependencies are inferred from the claim text.