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LZW algorithm

См. также в других словарях:

  • Algorithm — Flow chart of an algorithm (Euclid s algorithm) for calculating the greatest common divisor (g.c.d.) of two numbers a and b in locations named A and B. The algorithm proceeds by successive subtractions in two loops: IF the test B ≤ A yields yes… …   Wikipedia

  • LZW — abbr. Lempel Ziv Welch compression algorithm by Unisys company …   Dictionary of English abbreviation

  • LZW — abbr. Lempel Ziv Welch (compression algorithm used in GIF image format) …   Dictionary of abbreviations

  • LZW — abbr. Lempel Ziv Welch (compression) comp. abbr. Lempel Ziv Welch (algorithm) …   United dictionary of abbreviations and acronyms

  • μ-law algorithm — Companding of μ law and A law algorithms The µ law algorithm (often u law, ulaw, or mu law) is a companding algorithm, primarily used in the digital telecommunication systems of North America and Japan. Companding algorithms reduce the dynamic… …   Wikipedia

  • A-law algorithm — Graph of μ law A law algorithms An A law algorithm is a standard companding algorithm, used in European digital communications systems to optimize, i.e., modify, the dynamic range of an analog signal for digitizing. It is similar to the μ law… …   Wikipedia

  • 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 in 1984 as an improved implementation of the LZ78 algorithm published by Lempel and Ziv in 1978. The… …   Wikipedia

  • compress — This article is about the data compression utility. For other uses, see Compression. Compress Filename extension .Z Internet media type application/x compress Developed by Spencer Thomas Type of format data compression Compress is a …   Wikipedia

  • Compress — is a UNIX compression program based on the LZC compression method, which is an LZW implementation using variable size pointers as in LZ78. Description of program Files compressed by compress are typically given the extension .Z. Most tar programs …   Wikipedia

  • List of archive formats — This is a list of file formats used by archivers and compressors used to create archive files. Contents 1 Archiving only 2 Compression only 3 Archiving and compression 4 …   Wikipedia

  • LZ77 and LZ78 — are the names for the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 and 1978. They are also known as LZ1 and LZ2 respectively [http://www.patentstorm.us/patents/5532693 description.html] .… …   Wikipedia

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