Image analysis – Color image processing – Color correction
Reexamination Certificate
2006-08-30
2010-06-22
Ahmed, Samir A (Department: 2624)
Image analysis
Color image processing
Color correction
C382S168000, C348S222100
Reexamination Certificate
active
07742637
ABSTRACT:
An imaging apparatus includes an imaging unit configured to take an image of a subject; a histogram producing unit configured to produce a histogram of image data of the image; a tone correction unit configured to make a tone correction on the image data; a feature histogram table including a plurality of feature histograms respectively corresponding to a plurality of reference image patterns; an input-output characteristic table including a plurality of input-output characteristics respectively corresponding to the plurality of feature histograms; an input-output characteristic adjustment unit configured to calculate the similarity of the histogram produced by the histogram producing unit with respect to each feature histogram, to select an input-output characteristic according to the calculated similarity, and to adjust the selected input-output characteristic in accordance with the similarity, wherein the tone correction unit is configured to make the tone correction based on the input-output characteristic adjusted by the input-output characteristic adjustment unit.
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Deguchi Tatsuya
Park Hun Koo
Shiga Akira
Xiao Ruihua
Ahmed Samir A
Lerner David Littenberg Krumholz & Mentlik LLP
Liu Li
Sony Corporation
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