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A comment on Show HN: Jpeg.io – Convert any major image format into a highly optimized JPEG. Parent comment

Re:Show HN: Jpeg.io – Convert any major image format into a ... by barrkel on Wednesday September 28, 2016 @08:51AM (#12597233)
The jpeg.io version is a different image, though - it's got what look like drop shadows.
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Re:Show HN: Jpeg.io – Convert any major image format into a ... by Rafert on Wednesday September 28, 2016 @09:01AM (#12597272)
That's https://en.wikipedia.org/wiki/Chroma_subsampling
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