TONE MAPPING ADAPTATION FOR SATURATION CONTROL
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United States of America Patent
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Issued Date -
May 30, 2019
app pub date -
Nov 30, 2018
filing date -
Nov 30, 2018
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Abstract
A system and methods is provided for performing, by a processor, an initial tone mapping function on a first image to produce a second image. The first and second images are of different dynamic ranges. The method also includes applying, by the processor, a second tone mapping function to the second image when it contains any saturated portions. The second tone mapping function lowers luminance by a first fraction. The overall luminance of the second image is also determined and a fine tuning filter is applied when at least portions of said second image contain areas darker than an amount.
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