Image analysis – Image enhancement or restoration – Image filter
Reexamination Certificate
2005-10-18
2005-10-18
Au, Amelia M. (Department: 2623)
Image analysis
Image enhancement or restoration
Image filter
C382S266000, C382S131000, C382S274000
Reexamination Certificate
active
06956975
ABSTRACT:
A method for improving disease diagnosis using contrast enhancement presentation comprising: providing an input digital diagnostic image; applying a decomposition filter bank to the input digital diagnostic image; constructing a tone scale curve from the input digital diagnostic image; applying said tone scale curve to the input digital diagnostic image to produce a tone-scaled image; applying a decomposition filter bank to the tone-scaled image; generating the contrast weight control signals from the input digital diagnostic image by extracting the high contrast edge signals at the coarse scale; adjusting the decomposition outputs from both the input image and the tone-scaled image according to the contrast weight control signals; and applying a reconstruction filter bank to the adjusted signals to produce a contrast enhancement presentation output image.
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Au Amelia M.
Eastman Kodak Company
Noval William F.
Parulski Susan L.
Tucker Wes
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