Title :
Improvement of H.263 encoding by adaptive arithmetic coding
Author :
Baum, Eckhart ; Harr, Volker ; Speidel, Joachim
Author_Institution :
Inst. of Telecommun., Stuttgart Univ., Germany
fDate :
8/1/2000 12:00:00 AM
Abstract :
Arithmetic coding in H.263 is based on models that assign a fixed probability to each possible value of some syntax element. The effect of adapting the models according to the dynamically changing statistics is analyzed. Simulation results show improvements in all studied cases
Keywords :
adaptive codes; arithmetic codes; code standards; data compression; entropy codes; telecommunication standards; video coding; H.263 encoding; adaptation algorithm; adaptive arithmetic coding; dynamically changing statistics; entropy coding; probability; simulation results; syntax element; Arithmetic; Discrete cosine transforms; Encoding; Entropy coding; Frequency; Huffman coding; Probability distribution; Statistical analysis; Statistics; Video coding;
Journal_Title :
Circuits and Systems for Video Technology, IEEE Transactions on
