Inverse tone mapping method
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United States of America Patent
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May 26, 2020
Grant Date -
Dec 28, 2017
app pub date -
Jun 27, 2017
filing date -
Jun 28, 2016
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Abstract
The present invention provides a technology that separates a low-contrast-ratio image into sublayer images, classifies each sublayer image into several categories in accordance with the characteristics of each sublayer image, and learns a transformation matrix representing a relationship between the low-contrast-ratio image and a high-contrast-ratio image for each category. In addition, the present invention provides a technology that separates an input low-contrast-ratio image into sublayer images, selects a category corresponding to each sublayer image, and applies a learned transformation matrix to generate a high.
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