Automatic white balancing for photography
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United States of America Patent
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-
Apr 15, 2014
Grant Date -
Apr 28, 2011
app pub date -
Dec 30, 2009
filing date -
Oct 27, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Embodiments of the claimed subject matter are directed to methods for automatic white balancing in an image-capture device. In one embodiment, given an estimated illuminant color (e.g., derived from the Gray World method), a more optimal illuminant color can be found by projecting this point to a plot of common illuminants to determine the closest point on the plot of common illuminants. Once the closest point of the plot of common illuminants is derived, the actual image (e.g., pixel) data of the scene is adjusted by the value of the closest point on the plot of common illuminants so that the light is normalized for the scene.
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Cited Art Landscape
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