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Add support for mozjpeg #45

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kokarn opened this Issue Mar 6, 2014 · 5 comments

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kokarn commented Mar 6, 2014

Mozilla has introduced another compression algorithm, mozjpeg.
https://blog.mozilla.org/research/2014/03/05/introducing-the-mozjpeg-project/

It might be a good compliment to the other algorithms already available but i haven't seen any real-world tests or comparisons yet.

Heres the source for you.
https://github.com/mozilla/mozjpeg

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kornelski Mar 13, 2014

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Yup, it's in my todo list.

However, ImageOptim already supports the compression trick mozjpeg uses, so the change would be merely a speed improvement.

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kornelski commented Mar 13, 2014

Yup, it's in my todo list.

However, ImageOptim already supports the compression trick mozjpeg uses, so the change would be merely a speed improvement.

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bensquire Dec 30, 2014

@pornel Your article on perfplanet was eye opening. I tried out your web interface using a JPEG and saw a 3x reduction in filesize and no noticeable change in quality. Now presumably this re-encoding at a lower quality (as I'd already optimised the image using ImageOptim), could I.O integrate a technique for determining "output images dissimilarity" as described here, mentioned in an earlier perfplanet article?

bensquire commented Dec 30, 2014

@pornel Your article on perfplanet was eye opening. I tried out your web interface using a JPEG and saw a 3x reduction in filesize and no noticeable change in quality. Now presumably this re-encoding at a lower quality (as I'd already optimised the image using ImageOptim), could I.O integrate a technique for determining "output images dissimilarity" as described here, mentioned in an earlier perfplanet article?

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@bensquire Yes, I'm trying to do that, but I've found edge cases where it doesn't detect blockyness well enough (mozilla/mozjpeg#129)

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kornelski commented Dec 30, 2014

@bensquire Yes, I'm trying to do that, but I've found edge cases where it doesn't detect blockyness well enough (mozilla/mozjpeg#129)

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bensquire Dec 30, 2014

@pornel Thats the badger, thanks :) Looking forward to these 2 improvements...

bensquire commented Dec 30, 2014

@pornel Thats the badger, thanks :) Looking forward to these 2 improvements...

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kornelski Jul 18, 2015

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Done in 1.6 (for lossless)

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kornelski commented Jul 18, 2015

Done in 1.6 (for lossless)

@kornelski kornelski closed this Jul 18, 2015

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