JPEG2000: the Killer Image File Format for Lossless Storage
Subject:   PNG?
Date:   2003-11-22 03:06:38
From:   rjimlad
How does lossless JPEG2000 compare to PNG in terms of compression? As far as I was aware, PNG acheives a rather good (lossless) compression ratio, and is rather more widely-supported than JPEG2000. PNG ( also supports alpha channels (but not layers).

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