Image analysis – Image enhancement or restoration – Intensity – brightness – contrast – or shading correction
Reexamination Certificate
2007-03-13
2007-03-13
Couso, Yon J. (Department: 2624)
Image analysis
Image enhancement or restoration
Intensity, brightness, contrast, or shading correction
C382S295000, C348S180000
Reexamination Certificate
active
10395361
ABSTRACT:
In an image processing apparatus for processing an image sensed by an image sensing unit which includes an optical system and an image sensing element for converting a subject image formed by the optical system into an electric signal, a group of correction data, which is calculated on the basis of relative positional information of an optical axis of the optical system and a center of an effective range of the image sensing element, for correcting an image sensed by the image sensing unit is read out from a storage unit, and the image is corrected based upon the group of correction data read out from the storage unit. A minimum value of the group of correction data is associated with a position substantially coinciding with the optical axis position on the image sensing element or a position between the optical axis of the optical system and the center and closer to the optical axis.
REFERENCES:
patent: 5758939 (1998-06-01), Ochiai et al.
patent: 2004/0027566 (2004-02-01), Suzuki et al.
patent: 2004/0032631 (2004-02-01), Amada et al.
Canon Kabushiki Kaisha
Couso Yon J.
Morgan & Finnegan , LLP
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