Image analysis – Image compression or coding – Pyramid – hierarchy – or tree structure
Reexamination Certificate
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
Ahmed Samir A
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Rashidian Mehdi
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