Huffman coding

URI: https://gptkb.org/entity/Huffman_coding
GPTKB entity
AI-created image of Huffman coding
AI-created image
Statements (31)
Predicate Object
gptkbp:instanceOf gptkb:algorithm
data compression method
gptkbp:appliesTo discrete memoryless sources
gptkbp:category entropy encoding
gptkbp:complexity O(n log n)
gptkbp:field computer science
gptkbp:generalizes adaptive Huffman coding
length-limited Huffman coding
n-ary Huffman coding
https://www.w3.org/2000/01/rdf-schema#label Huffman coding
gptkbp:input set of symbols with frequencies
gptkbp:inventedBy gptkb:David_A._Huffman
1952
gptkbp:namedAfter gptkb:David_A._Huffman
gptkbp:not_optimal_for adaptive or unknown probabilities
gptkbp:optimal_for known symbol probabilities
gptkbp:output prefix code
gptkbp:property no code is a prefix of another
gptkbp:purpose lossless data compression
gptkbp:reduces expected codeword length
gptkbp:relatedTo gptkb:Shannon–Fano_coding
arithmetic coding
gptkbp:type greedy algorithm
gptkbp:used_in gptkb:DEFLATE
gptkb:GZIP
gptkb:JPEG
gptkb:MP3
PNG
gptkbp:uses variable-length codes
gptkbp:bfsParent gptkb:information_theory
gptkbp:bfsLayer 4