WIDE DYNAMIC RANGE DISPLAY
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United States of America Patent
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Issued Date -
Apr 3, 2014
app pub date -
Jun 18, 2013
filing date -
Jun 18, 2012
priority date (Note) -
Abandoned
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Abstract
Methods and systems for wide dynamic range display are presented. In one embodiment, a method includes receiving a Color Filter Array (CFA) pixel signal, computing, using image processing hardware, an adaptation factor for the CFA pixel signal, the adaptation factor having a global factor component and a local factor component, and computing, using the image processing hardware, an adapted pixel signal for the CFA pixel in response to a reverse exponential function featuring the adaptation factor. In one embodiment, computing the adapted pixel signal for the CFA pixel does not require frame memory. Also, the adaptation factor may have a value between 0 and 1, in certain embodiments.
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