Image analysis – Image enhancement or restoration – Intensity – brightness – contrast – or shading correction
Reexamination Certificate
2005-06-07
2009-12-22
Patel, Kanji (Department: 2624)
Image analysis
Image enhancement or restoration
Intensity, brightness, contrast, or shading correction
C382S254000, C382S261000, C358S521000
Reexamination Certificate
active
07636495
ABSTRACT:
An image processing method comprises an extracting process of extracting a characteristic amount of an input image, a generating process of generating a high frequency component of the input image, a gradation converting process of converting a gradation of the input image on the basis of the characteristic amount, and an adding process of adding the high frequency component to the input image whose gradation has been converted.
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Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Patel Kanji
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