Image processing based on degree of white-background likeliness
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United States of America Patent
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May 22, 2007
Issued Date -
N/A
app pub date -
Nov 16, 2005
filing date -
Sep 17, 1999
priority date (Note) -
Expired
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Abstract
An image processing device includes a filtering unit which filters an input image with variable frequency characteristics, an edge detection unit which detects magnitudes of edges appearing in the input image, and a degree-of-white-background-likeliness detection unit which detects degrees of white-background likeliness in respect of local areas of the input image, wherein the filtering unit changes the variable frequency characteristics in response to the magnitudes of edges and to the degrees of white-background likeliness.
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