Method and apparatus for controlling a camera module to compensate for the color spectrum of a white LED
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United States of America Patent
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May 4, 2010
Grant Date -
Jul 31, 2008
app pub date -
Jan 25, 2007
filing date -
Jan 25, 2007
priority date (Note) -
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Abstract
A method and an apparatus enabling use of a light source emitting a spectrum of light not following characteristics of a blackbody source of light with a camera module programmed for use with light sources following characteristics of blackbody sources of light, wherein a white-balance patch is transmitted to the camera module to cause the camera module to accept color coordinates representing a point on a chromaticity chart that partly defines a region of color coordinates on the chromaticity chart into which color coordinates of the light source fall and to which color coordinates of a reference white color derived by a white-balance routine of the camera module are constrained.
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