Title :
Constrained VQ codebook design for noisy channels
Author :
Chang, Wen-Whei ; Hsu, Heng-Iang
Author_Institution :
Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
fDate :
5/10/2001 12:00:00 AM
Abstract :
A codebook design approach for constrained vector quantisation using the Hadamard transform of channel transition probabilities is proposed. It is examined for quantisation of Gauss-Markov sources over channels with memory and compared with the generalised Lloyd algorithm
Keywords :
Hadamard transforms; block codes; genetic algorithms; image coding; noise; probability; speech coding; vector quantisation; Gauss-Markov sources; Hadamard transform; block code selection; channel transition probabilities; constrained VQ codebook design; constrained vector quantisation; image compression; noisy channels; speech compression;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010419
