Methods and apparatuses for image exposure correction
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United States of America Patent
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Dec 28, 2010
Issued Date -
N/A
app pub date -
May 31, 2007
filing date -
May 31, 2007
priority date (Note) -
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Abstract
Methods and apparatuses for image exposure include capturing a first image under a first illumination condition, determining a luminance of the first image at a plurality of sectors, capturing a second image under a second illumination condition employing an artificial light source, determining a luminance of the second image at the plurality of sectors, and determining if the artificial light source should be used to capture a final image using the luminances of the first and second images at the plurality of sectors. If the artificial light source is to be used, an output level of the light source is determined.
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