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Employ image classification to make better decisions about lossy conversion #883

GoogleCodeExporter opened this issue Apr 6, 2015 · 2 comments


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PNG files that are not photos will be lossy-converted to jpeg with 
convert_png_to_jpeg enabled (which is in core).  This noticeably degrades 

Conversely, with convert_png_to_jpeg, convert_jpeg_to_webp, and 
convert_webp_lossless, PNG files that *are* photos will be converted to webp 
lossless.  This leaves a lot of bandwidth-reduction on the table.

Original issue reported on by on 31 Jan 2014 at 3:31

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Fixed in r3765.

Original comment by on 10 Feb 2014 at 1:52

  • Changed state: Fixed

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Original comment by on 10 Feb 2014 at 1:57

  • Added labels: Milestone-v31, release-note

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