Modified Huffman

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'''Modified Huffman''', sometimes called '''MH''', is a data compression algorithm used in 1-dimensional [[CCITT Group 3]] to compress bi-level images. The data is first [[Run-length encoding|run-length encoded]], and then [[Huffman coding]] is applied to the run lengths.
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'''Modified Huffman''', sometimes called '''MH''', is a data compression algorithm used in 1-dimensional [[CCITT Group 3]] to compress bi-level images. It uses a combination of [[run-length encoding]], and [[Huffman coding]] with a predefined Huffman code.
  
== Specifications ==
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For more information, see [[CCITT Group 3]].
See [[CCITT Group 3#Specifications|CCITT Group 3]].
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== Editors' notes ==
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[[Category:Graphics]]
It's not clear whether "Modified Huffman" can also refer to the general concept of RLE combined with Huffman coding.
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[[Category:Compression]]
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Latest revision as of 14:27, 20 January 2021

File Format
Name Modified Huffman
Ontology

Modified Huffman, sometimes called MH, is a data compression algorithm used in 1-dimensional CCITT Group 3 to compress bi-level images. It uses a combination of run-length encoding, and Huffman coding with a predefined Huffman code.

For more information, see CCITT Group 3.

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