Image processing method and apparatus
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United States of America Patent
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Sep 3, 2002
Grant Date -
N/A
app pub date -
Feb 10, 1999
filing date -
Feb 10, 1998
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Abstract
Graininess suppression image processing is carried out on an original image signal, and a graininess suppression processing image signal is obtained from the graininess suppression image processing. Also, sharpness enhancement image processing is carried out on the original image signal, and a sharpness enhancement processing image signal is obtained from the sharpness enhancement image processing. Processing for obtaining a processed image signal is carried out in accordance with the graininess suppression processing image signal and the sharpness enhancement processing image signal. The processed image signal is obtained with operation processing carried out on image signal components of the graininess suppression processing image signal and the sharpness enhancement processing image signal, which image signal components represent corresponding pixels in two images represented by the graininess suppression processing image signal and the sharpness enhancement processing image signal.
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