Arithmetic coding-based facsimile compression with error detection
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United States of America Patent
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Jul 6, 2004
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Oct 17, 2000
filing date -
Jan 16, 1998
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Abstract
A method and apparatus for compressing facsimile documents based on arithmetic coding. A combination of one-dimensional and two-dimensional arithmetic coding is employed to ensure that the effect of a transmission error is not propagated to the whole document. Appropriate contexts for the probabilistic models associated with arithmetic coding for one and two dimensional cases are presented. An error detection scheme to identify the presence of transmission errors is also presented.
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