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A comment on The Limits of Computational Photography. Parent comment

Re:The Limits of Computational Photography by astrange on Tuesday January 31, 2023 @12:52PM (#34598726)
No, the HEIC has a proprietary attachment with the HDR data as well. You can see the iPhone display adapting when you view it in Photos.
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Re:The Limits of Computational Photography by _aavaa_ on Tuesday January 31, 2023 @03:06PM (#34601115)
Do you have any info on how that attachment is stored/accesssed?
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Re:The Limits of Computational Photography by illiac786 on Tuesday January 31, 2023 @03:47PM (#34601794)
I think I found it:

https://github.com/m13253/heif-hdrgainmap-decode

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Re:The Limits of Computational Photography by _aavaa_ on Tuesday January 31, 2023 @04:09PM (#34602153)
Thanks! I'll take a look
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