Image correction apparatus and image correction method
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 16, 2011
app pub date -
Feb 14, 2011
filing date -
Aug 19, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image correction apparatus includes a gradient detection unit, a blur width detection unit, a correction area identification unit, and a correction unit. The gradient detection unit detects a gradient of a pixel value of each of pixels of an input image. The blur width detection unit detects a blur width at a position of each of the pixels of the input image. The correction area identification unit identifies a correction area based on the gradient detected by the gradient detection unit and the blur width detected by the blur width detection unit. The correction unit corrects a pixel value of a pixel in the correction area identified by the correction area identification unit.
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