Lukol Directory: Computers: Data Formats: Graphics: 2D: GIF

Unisys/CompuServe GIF Controversy Old page from the League for Programming Freedom (LPF) on the Unisys patent controversy. http://lpf.ai.mit.edu/Patents/Gif/Gif.html US4558302 Patent The US patent covering the LZW compression algorithm used in GIF images. http://www.delphion.com/details?pn=US04558... The GIF Controversy A 2004 article on the GIF controversy seen from a software developer's perspective. Includes original interviews, a historical perspective, and a detailed bibliography. http://cloanto.com/users/mcb/19950127giflz... Graphics Interchange Format Provides detailed specification of file layout, encoding and decoding algorithm, and color space model for gif89a. http://256.com/gray/docs/gifspecs/ The gif2png Home Page Page prepared in 2003 about a program that converts files from GIF to PNG. The conversion preserves all graphic information, including transparency. http://catb.org/~esr/gif2png/ Compression Links: GIF Detailed information, specifications, and background of the Graphics Interchange Format. http://www.compression-links.info/GIF Sub Topics: News and Media Related Topics: Computers: Data Formats: Graphics: 2D: PNG Computers: Graphics: Web Computers: Software: Graphics Computers: Algorithms: Compression Computers: Data Formats: Graphics: 2D: JPEG Society: Issues: Intellectual Property: Patents

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2006