Image analysis – Image enhancement or restoration – Image filter
Patent
1997-08-12
1999-02-02
Rogers, Scott
Image analysis
Image enhancement or restoration
Image filter
382263, 382264, 382266, 358447, G06T 500, H04N 1409
Patent
active
058676066
ABSTRACT:
An image enhancing apparatus is described that includes a filter. The filter enhances the sharpness of an original image in accordance with a sharpening parameter. A sharpening parameter selection system is coupled to the filter. The sharpening parameter selection system determines the sharpening parameter for the filter such that the frequency distribution of a sharpened image of the original image by the filter is similar to that of a low resolution image of the original image. In addition, a method of sharpening an original image is also described.
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Hewlett--Packard Company
Li Thomas X.
Rogers Scott
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