Title :
Counting lattice points on ellipsoids: application to image coding
Author :
Moureaux, J.-M. ; Antonini, M. ; Barlaud, M.
Author_Institution :
Nice Univ., France
fDate :
7/20/1995 12:00:00 AM
Abstract :
The enumeration problem of lattice vectors in a lattice codebook shaped for elliptical source statistics is solved. The counting of codebook vectors is crucial for the computation of the bit rate, i.e. for the determining the codeword lengths to be transmitted to the decoder
Keywords :
image coding; vector quantisation; bit rate; codebook vectors; codeword lengths; ellipsoids; elliptical source statistics; enumeration problem; image coding; lattice codebook; lattice points; lattice vectors; vector quantisation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950856