• Lempel–Ziv–Welch (LZW) is a universal lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, and Terry Welch. It was published by Welch...
    30 KB (3,424 words) - 14:29, 2 May 2024
  • Thumbnail for GIF
    solid areas of color. GIF images are compressed using the Lempel–Ziv–Welch (LZW) lossless data compression technique to reduce the file size without degrading...
    86 KB (8,123 words) - 20:04, 30 August 2024
  • LZ77 and LZ78 (section LZW)
    respectively. These two algorithms form the basis for many variations including LZW, LZSS, LZMA and others. Besides their academic influence, these algorithms...
    18 KB (2,560 words) - 04:17, 31 July 2024
  • Revision 5.0 was released and it added support for palette color images and LZW compression. TIFF is a complex format, defining many tags of which typically...
    53 KB (5,857 words) - 19:10, 16 September 2024
  • compress is a Unix shell compression program based on the LZW compression algorithm. Compared to gzip's fastest setting, compress is slightly slower at...
    11 KB (1,233 words) - 17:24, 3 April 2024
  • Thumbnail for Wuling Dragon
    Mitsubishi Minicab under license, as the Liuzhou Wuling LZW 6320/6430 (bus/van versions) and LZW 1010 (pickup trucks). In 1998 the car received a facelift...
    5 KB (335 words) - 07:17, 14 April 2023
  • output is one step behind the dictionary. Refer to LZW for how this is handled. Enhancements to LZW include handing symbol sizes other than 8 bits and...
    4 KB (592 words) - 09:33, 7 December 2023
  • Thumbnail for Raster graphics
    encoding (RLE), JPEG, LZ (the basis for PNG and ZIP), Lempel–Ziv–Welch (LZW) (the basis for GIF), and others. For example, Run length encoding looks...
    19 KB (2,269 words) - 04:05, 2 September 2024
  • Thumbnail for Image compression
    arithmetic coding and Huffman coding Adaptive dictionary algorithms such as LZW – used in GIF and TIFF DEFLATE – used in PNG, MNG, and TIFF Chain codes The...
    18 KB (2,016 words) - 13:31, 10 September 2024
  • Welch, the Lempel–Ziv–Welch (LZW) algorithm rapidly became the method of choice for most general-purpose compression systems. LZW is used in GIF images, programs...
    68 KB (7,500 words) - 15:48, 15 September 2024