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Fast algorithm for optimal bit allocation in a rate-distortion sense

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2 Author(s)
Woo Yong Lee ; Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea ; Jong Beom Ra

To improve the quality of reconstructed images for a given bit rate constraint, the assigned bits must be distributed efficiently using a set of admissible quantisers so that source distortion can be minimised. However, the optimal bit allocation scheme is usually not practical due to its large computational burden. The authors propose a new fast algorithm which needs less computing time than required by existing fast algorithms

Published in:

Electronics Letters  (Volume:32 ,  Issue: 20 )