Rate-distortion optimal thresholding in SNR scalability based on 2D dynamic programming

Jan L.P. De Lameillieure

doi:10.1117/12.251312

16 September 1996 Rate-distortion optimal thresholding in SNR scalability based on 2D dynamic programming

Jan L.P. De Lameillieure

Proceedings Volume 2952, Digital Compression Technologies and Systems for Video Communications; (1996) https://doi.org/10.1117/12.251312
Event: Advanced Imaging and Network Technologies, 1996, Berlin, Germany

Abstract

Thresholding is a technique for suppressing small transform coefficients in DCT-based coding. Recently, dynamic programming has been presented to optimize thresholding in a rate-distortion sense. This contribution investigates the extension of this method for SNR scalability. Because of the tight coupling between base and enhancement layer in SNR scalability, a 2D dynamic programming algorithm has been developed.

Citation Download Citation

Jan L.P. De Lameillieure "Rate-distortion optimal thresholding in SNR scalability based on 2D dynamic programming", Proc. SPIE 2952, Digital Compression Technologies and Systems for Video Communications, (16 September 1996); https://doi.org/10.1117/12.251312

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