AVIF for Next-Generation Image Coding
The Netflix TechBlog
FEBRUARY 13, 2020
Choosing 420 subsampling, over the original 444 format, halves the number of samples (counting across all 3 color planes) that need to be encoded while relying on the fact that the human visual system is more sensitive to luma than chroma. Brief overview of image coding formats The JPEG format was introduced in 1992 and is widely popular.
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