NDLI: Entropy-constrained trellis-coded quantization

Content Provider	IEEE Xplore Digital Library
Author	Fischer, T.R. Wang, M.
Copyright Year	1963
Abstract	Trellis-coded quantization is generalized to allow noiseless coding of the trellis branch reproduction symbols. An entropy-constrained trellis-coded quantization (ECTCQ) design algorithm is presented, based on the generalized Lloyd algorithm for trellis code design and the entropy-constrained vector quantization design algorithm. ECTCQ systems are designed for memoryless Gaussian and Laplacian sources, and for first- and second-order Gauss-Markov sources. With an 8-state trellis, the mean-squared error ECTCQ encoding performance for memoryless sources with smooth densities is within about 0.5 dB of the rate-distortion function. Small additional improvements are achieved with larger trellises. Similar, though not quite as good, performance is achieved for the Gauss-Markov sources by using the ECTCQ in a predictive coding structure.<>
Sponsorship	IEEE Information Theory Society
Starting Page	415
Ending Page	426
Page Count	12
File Size	1089626
File Format	PDF
ISSN	00189448
Volume Number	38
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Encoding Lattices Entropy Algorithm design and analysis Gaussian processes Rate-distortion Convolutional codes Vector quantization Predictive coding Source coding
Content Type	Text
Resource Type	Article
Subject	Library and Information Sciences Information Systems Computer Science Applications

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