Image processing method, apparatus, and program

Details Image processing method, apparatus, and program Image processing method, apparatus, and program

2008-04-08

2008-04-08

Kassa, Yosef (Department: 2624)

Image analysis

Image enhancement or restoration

C382S260000, C382S274000, C382S275000, C382S282000, C358S003260, C358S003270, C358S463000

Reexamination Certificate

active

07356194

ABSTRACT:
A blurred image generating section generates a plurality of blurred images Sm (where m=1 to n and n≧2) different in frequency response characteristic from one another, based on an original image S0. A band-limited image generating section generates a plurality of band-limited images Tm by performing a subtraction between images of adjacent frequency bands, employing the original image S0and each of the blurred images Sm. A wrinkle component extraction section extracts converted images, obtained by performing nonlinear conversion on each of the band-limited images Tm, as wrinkle components Qm contained in the different frequency bands. A wrinkle-component elimination section eliminates wrinkle components of the original image S0by subtracting from the original image S0a value obtained by multiplying a subtraction coefficient β (which is determined according to the pixel value Y0of the original image S0) and the sum of the wrinkle components Qm together.

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