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Old 24th February 2021, 09:15   #1  |  Link
Valentin Nikin
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Join Date: Feb 2021
Posts: 4
Gamut errors programmaticaly detection


I want to detect Gamut errors in file. And I try to use OpenCV to do it.
Accordinally EBU R 103 V3 (https://tech.ebu.ch/docs/r/r103.pdf)

Gamut Errors need detection if the RGB components and the corresponding Luminance (Y) signal exceed
the "Preferred Minimum/Maximum" range of digital sample levels

"Preferred Minimum/Maximum" range is [5, 246]

But any black pixels decoded with OpenCV has (0,0,0) values

Please help me. Maybe I'm misinterpreting the standard?

Last edited by Valentin Nikin; 24th February 2021 at 09:19.
Valentin Nikin is offline   Reply With Quote

ebur103, gamut, opencv

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