Image processing method and apparatus for image sharpening
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United States of America Patent
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Dec 9, 2008
Grant Date -
Jun 9, 2005
app pub date -
Nov 5, 2004
filing date -
Nov 6, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image processing apparatus for sharpening photographic image data obtained through digitization of a photographic image by using a sharpening filter capable of sharpening intensity adjustment. The apparatus includes a parameter determining section for extracting from the photographic image data a predetermined color pixel showing a predetermined color and then giving a sharpening intensity adjustment parameter to the predetermined color pixel and a sharpening operation section for effecting a pixel-by-pixel sharpening operation on the photographic image data while adjusting a sharpening intensity of the sharpening filter according to the sharpening intensity adjustment parameter.
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