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In the field of data compression, Shannon coding, named after its creator, Claude Shannon, is a lossless data compression technique for constructing a prefix code based on a set of symbols and their probabilities (estimated or measured).
In information theory, Shannon–Fano–Elias coding is a precursor to arithmetic coding, in which probabilities are used to determine codewords. [1] It is named for Claude Shannon , Robert Fano , and Peter Elias .
Huffman's family comes from Stanton, Texas, and he grew up in West Texas. [1] [2] He attended Permian High School in Odessa, where he graduated in 1979. [1]He later attended South Plains College, where he received an associate's degree in criminal justice, and Sul Ross State University, where he earned a bachelor's degree in general studies and a master's degree in homeland security. [1]
Unfortunately, Shannon–Fano coding does not always produce optimal prefix codes; the set of probabilities {0.35, 0.17, 0.17, 0.16, 0.15} is an example of one that will be assigned non-optimal codes by Shannon–Fano coding. Fano's version of Shannon–Fano coding is used in the IMPLODE compression method, which is part of the ZIP file format ...
In information theory, an entropy coding (or entropy encoding) is any lossless data compression method that attempts to approach the lower bound declared by Shannon's source coding theorem, which states that any lossless data compression method must have an expected code length greater than or equal to the entropy of the source.
The company was founded in Lebanon, Pennsylvania, in 1910 by Richard Levitz. [1]In the 1960s, Levitz, expanded by Richard's sons Leon and Ralph, successfully pioneered the sales of moderately priced brand-name furniture from a warehouse-style store. [2]
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Huffman Brothers Motor Company, 1920s Indiana-based car company' Huffman High School, Birmingham, Alabama; Huffman Manufacturing Company, former name of the Huffy Corporation, a bicycle manufacturer based in Dayton, Ohio; Mount Huffman (Texas), a mountain in Big Bend National Park, USA