Apparatus and method for generating a picture having a high visibility
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United States of America Patent
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Apr 3, 2012
Grant Date -
Oct 2, 2008
app pub date -
Mar 26, 2008
filing date -
Mar 26, 2007
priority date (Note) -
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Abstract
A first filter generates a first smooth picture by smoothing an input picture. A second filter generates a second smooth picture by smoothing the input picture. The second filter has a characteristic different from the first filter. A contrast component picture calculation unit generates a contrast component picture by dividing each pixel value of the input picture with the pixel value of the first smooth picture. A picture composition unit generates a composed picture by composing the second smooth picture with the contrast component picture.
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