Image analysis – Image enhancement or restoration – Image filter
Reexamination Certificate
2004-10-12
2008-11-04
Tran, Phuoc (Department: 2624)
Image analysis
Image enhancement or restoration
Image filter
C382S199000, C382S266000
Reexamination Certificate
active
07447377
ABSTRACT:
The image processing method and apparatus separate image data into plural frequency components that are different from each other, calculate a first evaluation value for an edge degree judgment by applying direction-specific templates to remainder frequency components other than a low-frequency component among the plural frequency components, extract an edge portion using the first evaluation value, perform image enhancement processing separately for each of the plural frequency components based on a result of the extraction of the edge portion and synthesize the processed plural frequency components. The image processing program implements the image processing method.
REFERENCES:
patent: 6055340 (2000-04-01), Nagao
patent: 6285798 (2001-09-01), Lee
patent: 7177481 (2007-02-01), Kaji
patent: 2000-209431 (2000-07-01), None
patent: 2000-307868 (2000-11-01), None
patent: 2002-158892 (2002-05-01), None
“Handbook of Image Analysis” published by University of Tokyo Press in 1991 and its partial translation.
Japanese Office Action dated Jan. 15, 2008 issued in Japanese Patent Application No. 2003-352218.
FUJIFILM Corporation
Sughrue & Mion, PLLC
Tran Phuoc
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