System and method for compensating for noise in a captured image
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United States of America Patent
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Feb 24, 2009
Grant Date -
Sep 30, 2004
app pub date -
Mar 24, 2003
filing date -
Mar 24, 2003
priority date (Note) -
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Abstract
A system and method are provided that compensates for noise in a captured image. One embodiment comprises scanning an image a predefined number of times with a plurality of pixels, receiving light information from each of the plurality of pixels each time the image is scanned, converting the received light information into a plurality of data values, each of the data values corresponding uniquely to light information from one of the plurality of pixels, generating a plurality of pre-divided data values by dividing each of the data values by a number corresponding to the number of times that the image is scanned, and adding corresponding ones of the pre-divided data values together such that an average data value is determined uniquely for each of the plurality of pixels so that noise is compensated by the averaging of the data values.
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