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Comparison of different image subband coding methods at low bit rates

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2 Author(s)
Weiring Zhang ; Sch. of Electr. Eng. & Comput. Sci., Washington State Univ., Pullman, WA, USA ; Fischer, T.R.

Two image subband coding methods are introduced as combinations of trellis-coded quantization (TCQ) with zerotree and stack-run coding. These TCQ-based image coding algorithms are compared, at low bit rates, with the set partitioning in hierarchical trees and stack-run scalar quantization-based image coding algorithms. Direct use of TCQ with zerotree or stack-run coding methods is found to provide little or no improvement in rate-distortion performance compared to scalar quantization

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:9 ,  Issue: 3 )