https://en.wikipedia.org/wiki/Chroma_subsampling
Chroma subsampling - Wikipedia
chroma subsamplingwikipedia
https://www.afterdawn.com/glossary/term.cfm/chroma_subsampling
What means Chroma Subsampling? - AfterDawn
Explanining what the term Chroma Subsampling means, with examples and more information.
chroma subsamplingmeansafterdawn