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GIF
  Computers > Data Formats > Graphics > 2D > GIF   Go to Directory Home  

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News and Media (3)
Related Categories:
    Computers > Algorithms > Compression  (88)
    Computers > Data Formats > Graphics > 2D > JPEG  (6)
    Computers > Data Formats > Graphics > 2D > PNG  (13)
    Computers > Graphics > Web  (1372)
    Computers > Software > Graphics  (2503)
    Society > Issues > Intellectual Property > Patents  (16)

Web Pages
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  US4558302 Patent http://www.delphion.com/details?pn=US04558302__
The US patent covering the LZW compression algorithm used in GIF images.
  Unisys/CompuServe GIF Controversy http://lpf.ai.mit.edu/Patents/Gif/Gif.html
Old page from the League for Programming Freedom (LPF) on the Unisys patent controversy.
  The GIF Controversy http://cloanto.com/users/mcb/19950127giflzw.html
A 2004 article on the GIF controversy seen from a software developer's perspective. Includes original interviews, a historical perspective, and a detailed bibliography.
  Graphics Interchange Format http://www.w3.org/Graphics/GIF/spec-gif87.txt
Original specification describing the file layout as originated by CompuServe. Also known as Gif87a.
  The gif2png Home Page http://catb.org/~esr/gif2png/
Page prepared in 2003 about a program that converts files from GIF to PNG. The conversion preserves all graphic information, including transparency.
  Graphics Interchange Format http://256.com/gray/docs/gifspecs/
Provides detailed specification of file layout, encoding and decoding algorithm, and color space model for gif89a.
  Compression Links: GIF http://www.compression-links.info/GIF
Detailed information, specifications, and background of the Graphics Interchange Format.

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