Phoronix: Libjpeg 9 Does Better Lossless JPEG Compression

Version 9 of the libjpeg library from the Independent JPEG Group has been released. This version of the JPEG library is said to noticeably improve the lossless JPEG compression support even to the point that libjpeg can now output compressed lossless JPEGs of smaller size than PNG images...

http://www.phoronix.com/vr.php?view=MTI3NDM