| Algorithmic selection of the best method for compressing map data strings |
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Communications of the ACM
archive
Volume 14 , Issue 12 (December 1971)
table of contents
Pages: 769 - 774
Year of Publication: 1971
ISSN:0001-0782
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Authors
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E. L. Amidon
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Pacific Southwest Forest and Range Experiment Station, Berkeley, CA
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G. S. Akin
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Pacific Southwest Forest and Range Experiment Station, Berkeley, CA
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| Bibliometrics |
Downloads (6 Weeks): 2, Downloads (12 Months): 12, Citation Count: 3
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 ABSTRACT
The best of a dozen different methods for compressing map data is illustrated. The choices are generated by encoding data strings—sequence of like codes—by three methods and in four directions. Relationships are developed between compression alternatives to avoid comparing all of them. The technique has been used to compress data from forest resource maps, but is widely applicable to map and photographic data reduction.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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Boehm, B.S. Tabular representations of multivariate functions with applications to topographic modeling. AD649-330 Def. Doc. Center, The Rand Corp., Santa Monica, Calif., Feb. 1967.
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Rosenfeld, Azriel. Picture Processing by Computer. Academic Press, New York, 1969.
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Amidon, Elliot L. MIADS2... an alphanumeric map information assembly and display system for a large computer. U.S. Forest Serv. Res. Paper Psw-38, 1966.
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Hill, M.R., and Amidon, E.L. Inventorying national forest resources.., for planning-programming-budgeting system. U.S. Forest Serv. Res. Note PSW-178, 1968.
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