DocumentCode
1705904
Title
Indexing the output points in a lattice based vector quantizer
Author
Khataie, Manijeh ; Soleymani, M.R.
Author_Institution
Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada
Volume
1
fYear
1995
Firstpage
152
Abstract
A new method for indexing the codewords of a lattice based vector quantizer (LBVQ) is presented. With this method, a codebook with a large number of lattice points can be selected. As a result, the quality of the compressed image can be very high. For some images, our methods shows up to a 1.5 dB improvement in comparison with JPEG. This method is suitable for applications with moderate to high vector dimensions
Keywords
data compression; discrete cosine transforms; image coding; transform coding; vector quantisation; DCT; LBVQ; codebook; image coding; image compression; lattice based vector quantizer; output points indexing; Bit rate; Hypercubes; Image coding; Indexing; Laplace equations; Lattices; Probability; Shape; Source coding; Transform coding;
fLanguage
English
Publisher
ieee
Conference_Titel
Electrical and Computer Engineering, 1995. Canadian Conference on
Conference_Location
Montreal, Que.
ISSN
0840-7789
Print_ISBN
0-7803-2766-7
Type
conf
DOI
10.1109/CCECE.1995.528097
Filename
528097
Link To Document