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Design of successively refinable trellis-coded quantizers

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2 Author(s)
Jafarkhani, Hamid ; AT&T Labs, Red Bank, NJ, USA ; Tarokin, V.

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

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Information Theory, IEEE Transactions on  (Volume:45 ,  Issue: 5 )