TECHNIQUES FOR ADJUSTING GAIN MAPS FOR DIGITAL IMAGES
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Jul 11, 2024
filing date -
Jul 11, 2024
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Abstract
The embodiments described herein set forth techniques for adjusting gain maps for digital images. In particular, headroom metrics, midtone metrics, highlight metrics, shadow metrics, diffuse white metrics, etc., or some combination thereof, can be determined based on characteristics of a given digital image, characteristics of a scene that corresponds to the digital image, circumstances under which the scene was captured, and so on. These metrics, or some combination thereof, can then be used to modify a gain map associated with the digital image. Additionally, a histogram of the modified gain map can be generated, where, in turn, the histogram can be used to modify any of the aforementioned metrics. Subsequently, the histogram and/or any combination of the modified metrics can be used to adjust the modified gain map.
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