Image processing apparatus

Details Image processing apparatus Image processing apparatus

2008-01-07

2008-10-28

Ahmed, Samir A (Department: 2624)

Image analysis

Image compression or coding

Pyramid, hierarchy, or tree structure

C382S232000

Reexamination Certificate

active

07444031

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.

REFERENCES:
patent: 5835529 (1998-11-01), Koga et al.
patent: 6792156 (2004-09-01), Lee
patent: 2005/0286780 (2005-12-01), Takahashi et al.
patent: 11-313338 (1999-11-01), None

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