IMAGE ENHANCEMENT VIA GLOBAL AND LOCAL RESHAPING
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Jan 26, 2022
filing date -
Jan 27, 2021
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Abstract
A first reshaping mapping is performed on a first image represented in a first domain to generate a second image represented in a second domain. The first domain is of a first dynamic range different from a second dynamic range of which the second domain is. A second reshaping mapping is performed on the second image represented in the second domain to generate a third image represented in the first domain. The third image is perceptually different from the first image in at least one of: global contrast, global saturation, local contrast, local saturation, etc. A display image is derived from the third image and rendered on a display device.
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