Method and system for removing path radiance effects from an image
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United States of America Patent
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Issued Date -
Nov 15, 2007
app pub date -
May 10, 2006
filing date -
May 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a first exemplary embodiment of the present invention, an automated, computerized method for manipulating an image is provided. The method of the present invention comprises the steps of selecting matched shadow/lit pairs of image portions from each of separate, different materials depicted in the image, utilizing the selected matched pairs to determine spectral ratio information for the image, calculating a path radiance correction term as a function of the spectral ratio information and utilizing the path radiance correction term to manipulate the image, to remove path radiance.
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