You talk about an algorithm. However, you never visited any of the practical implementations of Chroma from Luma, which is used in Production. It is part of th

You talk about an algorithm. However, you never visited any of the practical implementations of Chroma from Luma, which is used in Production. It is part of the AV1/2 video codec; for instance, it has been widely adopted too since 2018. https://arxiv.org/pdf/1711.03951 https://arxiv.org/pdf/1711.03951 So do IETF early draft of the idea. https://datatracker.ietf.org/doc/draft-midtskogen-netvc-chromapred/ https://datatracker.ietf.org/doc/draft-midtskogen-netvc-chro... Give a read of the work if not:)