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duxiu/initial_release/A Guide to Data Compression Methods_40369587.zip
A Guide to Data Compression Methods (Springer Professional Computing) 🔍
David Salomon Springer-Verlag, Springer Nature, New York, NY, 2013
英语 [en] · PDF · 154.4MB · 2013 · 📗 未知类型的图书 · 🚀/duxiu · Save
描述
In 1829, Louis Braille, a young organist in a Paris church, blind since age 3, invented the well-known code for the blind, still in common use today all over the world and named after him. Braille himself modified his code in 1834, and there have been several modifications since. However, the basic design of this code, where each character is represented by a group of 3 x 2 dots, has remained intact. The dots are embossed on thick paper and each can be raised or flat (i. e. , present or absent). Each dot is therefore equivalent to one bit of information. As a result, the Braille code (Figure 1) is a 6-bit code and can therefore represent 64 symbols (the code of six flat dots indicates a blank space). Braille's followers extended the capabilities of his code in several ways. One im portant extension is contractions. These are letters that, when they stand alone, mean words. For example, the letter "b" standing alone (or with punctuation) means the word "but," the letter "e" standing alone means "every," and "p" means "people. " Another extension is short-form words. These are combinations of two or more codes that mean an entire word (short-form words may contain contractions). For example, "ab" means "about," "rcv" means "receive," and "(the)mvs" means "themselves. " (The "the" in parentheses is a contraction, dots 2-3-4-6. ) Figure 2 shows some examples of these special codes.
Erscheinungsdatum: 08.02.2002
备选作者
Salomon, David
备用出版商
Springer US
备用出版商
Copernicus
备用出版商
Telos
备用版本
Springer professional computing, New York, ©2002
备用版本
United States, United States of America
备用版本
February 8, 2002
备用版本
New York, 2001
备用版本
US, 2006
元数据中的注释
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filepath:/读秀/读秀4.0/读秀/4.0/数据库42-3/A Guide to Data Compression Methods_40369587.zip
备用描述
Statistical data compression methods use the statistical properties of the data being compressed to assign variable-size codes to the individual symbols in the data.
备用描述
, . . , , . : , , , , - . , jpeg, mpeg, MATLAB.
Web-, .
备用描述
CD-ROM contains: Computer code from text -- Public-domain compression utility programs
开源日期
2024-06-13
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