Method and system for bad pixel correction in image sensors
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United States of America Patent
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Dec 18, 2018
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Jan 18, 2018
app pub date -
Feb 1, 2017
filing date -
Jul 18, 2016
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Abstract
A method of detecting a bad pixel in an image sensor includes: determining, a first color of a center pixel of a Bayer patch output by the image sensor; extracting, a main patch, a first auxiliary patch, and a second auxiliary patch from the Bayer patch, having the first color, a second other color, and a third other color, respectively; generating a normalized patch of the first color from the main patch and the auxiliary patches that brings a level of the auxiliary patches to a level of the main patch; and detecting whether the center pixel of the Bayer patch is a bad pixel using the normalized patch.
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