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Hi, What about lossless jpg compression, which is also named...

<< Back to: JPEG image compression FAQ, part 1/2

Question by akrespin
Submitted on 6/30/2003
Related FAQ: JPEG image compression FAQ, part 1/2
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Hi,
What about lossless jpg compression, which is also named JPG2000 format? Which compression format is the best for lossless?
Thanks,

akrespin@hotmail.com


Answer by David Cary
Submitted on 7/12/2003
Rating:  Rate this answer: Vote
Please read the FAQ. It says "Lossless JPEG has never been popular --- in fact, no common applications
support it --- and it is now largely obsolete.  (For example, the new PNG
standard outcompresses lossless JPEG on most images.)"

On the other hand, one day JPEG 2000 http://jpeg2000.epfl.ch/
could become the standard lossless image format. When that day comes, I'll simply convert my PNG files to JPEG files -- since both are lossless, I can convert them back and forth any number of times without losing anything.

-- David Cary

 

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