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> PNG uses deflate. General byte-level patterns. It does not do bespoke image-specific stuff. That's not quite the whole story. PNG does include simple filters
by jncraton 3y ago
> PNG uses deflate. General byte-level patterns. It does not do bespoke image-specific stuff.
That's not quite the whole story. PNG does include simple filters to represent a line as a difference from the line above, and that may be what the original post is referring to. [1]
[1] https://en.wikipedia.org/wiki/PNG#Filtering https://en.wikipedia.org/wiki/PNG#Filtering