Abstract
We have reviewed the design and properties of tree-structured vector quantization (TSVQ) and its amenability to progressive transmission image coding systems. By optimally pruning a TSVQ to trade off average distortion for average rate, one obtains a variable rate (or variable length) tree-structured code. This encoder can send more (fewer) bits for more (less) active or important subblocks. The variable rate code can be used in a progressive transmission scheme by sending the first bit for each subblock codeword, then the second (if there is one), and so on. If lossy transmission is required, the VQ code can be followed by a noiseless coding of the residual error to eventually provide a perfect reproduction.
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References
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© 1989 Springer-Verlag
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Gray, R.M., Riskin, E.A. (1989). Tree-structured vector quantization for progressive transmission image coding. In: Porter, W.A., Kak, S.C. (eds) Advances in Communications and Signal Processing. Lecture Notes in Control and Information Sciences, vol 129. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0042727
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DOI: https://doi.org/10.1007/BFb0042727
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