Update.
Regarding 'Chroma_subsampling_notation.pdf', Figure 2, '4:2:2', I just
tried to make a 2-pixel wide Cb0-1 that's centered coincident with the
center of Y0. It can't be done. So Poynton must be assuming some sort of
subpixel functions are applied without mentioning it. Certainly the
quality
On 16/07/2025 02.20, Yann Cainjo wrote:
> Hi Mark
>
> Here are some article from Charles Poynton.
>
> https://www.poynton.ca/PDFs/Chroma_subsampling_notation.pdf
>
> https://www.poynton.ca/PDFs/Merging_RGB_and_422.pdf
>
> And his books...
>
> Best regards
> Yann
Hi Yann! Thanks for the links.