Automatic white balancing system and method
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United States of America Patent
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Oct 11, 2016
Issued Date -
Jan 26, 2017
app pub date -
Dec 18, 2015
filing date -
Sep 17, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Systems for automatic white balancing (AWB) of a digital image and methods for making and using same. In response to a white balancing trigger, the relative positions of an image sensor and a reference region for white balancing are automatically adjusted such that the image sensor can acquire an image of the reference region. A white balance parameter reflecting the color temperature of the illuminating source is then computed and used to perform white balancing so as to remove color casts. The position of the reference region can be pre-recorded or scanned-for by the image sensor. The reference region can be rendered mobile so that it can be positioned within the image sensor's field-of-vision. The imaging systems can further include a gimbal that enables the image sensor to rotate about one or more axes. The present systems and methods are suitable for use, for example, by unmanned aerial vehicles (UAVs).
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