Title :
A two-stage algorithm for multiple description predictive coding
Author :
Samarawickrama, Upul ; Liang, Jie
Author_Institution :
Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC
Abstract :
A two-stage multiple description predictive coding technique is proposed. A predictive encoder is used in the first stage of each description. The two encoders are designed to create staggered quantizers for the input, which allow further refinement of the joint reconstruction in the second stage. Theoretical analysis and simulation results show that this method is very efficient in the high rate multiple description coding of strongly correlated sources.
Keywords :
quantisation (signal); source coding; speech coding; multiple description predictive coding; predictive encoder; speech coding; two-stage algorithm; Analytical models; Communication networks; Decoding; Distortion measurement; Information theory; Predictive coding; Rate-distortion; Speech coding; Transform coding; Vector quantization; Information Theory; Multiple Description Coding; Speech Coding;
Conference_Titel :
Electrical and Computer Engineering, 2008. CCECE 2008. Canadian Conference on
Conference_Location :
Niagara Falls, ON
Print_ISBN :
978-1-4244-1642-4
Electronic_ISBN :
0840-7789
DOI :
10.1109/CCECE.2008.4564622
