Image processing apparatus, image processing method, image pickup apparatus, and a non-transitory computer-readable storage medium
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United States of America Patent
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Jul 29, 2014
Grant Date -
Feb 14, 2013
app pub date -
Aug 7, 2012
filing date -
Aug 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An image processing apparatus that performs an image restoration processing of an image includes an optical transfer function obtaining portion configured to obtain an optical transfer function depending on an image pickup condition of the image, a threshold frequency obtaining portion configured to obtain a threshold frequency at which an absolute value of the optical transfer function is under a predetermined threshold value, a generating portion configured to generate an image restoration filter that has gain characteristics depending on the threshold frequency using the optical transfer function, and a processing portion configured to perform the image restoration processing of the image using the image restoration filter.
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