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Re:An update on HDR and color management in KWin by kllrnohj on Wednesday December 20, 2023 @05:57PM (#38714766)
> And now Apple is kindly offering to license the patent if this goes into an ISO standard?

The one that's likely to go to an ISO standard is the Adobe spec here: https://helpx.adobe.com/camera-raw/using/gain-map.html (which is the same as Google's "UltraHDR")

And that has a blanket public grant for usage.

> Also… the gain map is subsampled 1:2.

Subsampling is optional, you can do 1:1 if you want.

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