Lisa

250x360 grayscale image of Mona Lisa taken from The Stanford GraphBase by Donald E. Knuth. Converted to PNG with The GIMP.

Original	Original x4
JPEG (0.116bps) x4	JPEG2000 (0.112bps) x4

• PGM (portable graymap -- text, gzipped): lisa.pgm.gz
• PNG: lisa.png (Lossless, 3.548 bps, converted with The GIMP)
• JPEG: lisa.jpg (0.116bps, converted with The GIMP)
• JPEG2000: lisa.j2c (raw format, 0.112bps, converted with Kakadu)
• JPEG-LS: lisa.jls (2.944 bps) (lossless, converted with SPMG JPEG-LS codec)

• How to generate ontour maps
• How to extract the picture from The Stanford GraphBase

Haruhiko Okumura

Last modified: 2004-05-26 16:42:04