System and method for determining a gamma curve of a display device
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United States of America Patent
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Jul 26, 2011
Grant Date -
Jan 29, 2009
app pub date -
Jul 25, 2007
filing date -
Jul 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method of determining a gamma curve of a display device includes identifying a region of interest of a display surface of the display device. A centroid of the region of interest is calculated. A plurality of input levels is applied to the display device to generate a corresponding plurality of displayed images on the display surface. At least one image of each of the displayed images is captured with a camera. A gamma curve of the display device is calculated based on the captured images and the centroid.
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