Lossless JPEG

Huffman compression applied to the bits.

It is used by Canon CR2, Kodak DCR and Adobe DNG

• ljpeg seems to be the only C reference implementation, and according the le JPEG-FAQ has bugs with 16-bits.
• Adobe DNG SDK seems to use an adaptation of the former, in C++. To bad the license isn't GPL compatible.

• jrawio in Java has an implementation that seems to work. Only RC5 is GPL compatible as past version are under the Apache 2.0 license.

• dcraw also implements it.

Lossless JPEG (last edited 2007-05-31 03:54:20 by HubertFiguiere)

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