Title :
Design of successively refinable trellis-coded quantizers
Author :
Jafarkhani, Hamid ; Tarokin, V.
Author_Institution :
AT&T Labs, Red Bank, NJ, USA
fDate :
7/1/1999 12:00:00 AM
Abstract :
We propose successively refinable trellis-coded quantizers for progressive transmission. (Progressive transmission is an essential component of image and multimedia browsing systems.) A new trellis structure which is scalable is used in the design of our trellis-coded quantizers. A hierarchical set partitioning is developed to preserve successive refinability. Two algorithms for designing trellis-coded quantizers which provide embedded bit streams are provided. The computational complexity of the proposed schemes is compared with that of trellis-coded quantization. Simulation results show excellent performances for memoryless sources
Keywords :
computational complexity; memoryless systems; multimedia computing; online front-ends; quantisation (signal); trellis codes; algorithms; computational complexity; embedded bit streams; hierarchical set partitioning; image browsing systems; memoryless sources; multimedia browsing systems; performance; progressive transmission; scalable trellis structure; simulation results; successively refinable trellis-coded quantizers; trellis-coded quantization; Algorithm design and analysis; Asynchronous transfer mode; Bandwidth; Channel coding; Computational complexity; Multimedia systems; Noise level; Partitioning algorithms; Quantization; Streaming media;
Journal_Title :
Information Theory, IEEE Transactions on
