Apparatus and method for improving image quality of image sensor
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United States of America Patent
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Jun 12, 2012
Grant Date -
Oct 22, 2009
app pub date -
Jun 30, 2009
filing date -
Nov 1, 2005
priority date (Note) -
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Abstract
Provided are an apparatus and method for improving an image quality of an image sensor, capable of adaptively removing noise occurring in a de-mosaicking that is performed for generating three-channel data of R, G and B from a single channel pixel structure based on a bayer pattern. The apparatus includes a first converting unit for converting RGB color data into a YCbCr color data, the RGB color data being obtained from bayer data through a de-mosaicking, a noise removal unit for removing noise from a Cb and a Cr color data outputted from the first converting unit, and a second converting unit for converting the Cb and the Cr color data from the noise removal unit and a Y data from the first converting unit into the RGB color data.
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