Residual VQ (vector quantizaton) with state prediction: a new method for image coding

Faouzi Kossentini; Mark J. T. Smith; Christopher F. Barnes

doi:10.1117/12.45398

1 June 1991 Residual VQ (vector quantizaton) with state prediction: a new method for image coding

Faouzi Kossentini, Mark J. T. Smith, Christopher F. Barnes

Proceedings Volume 1452, Image Processing Algorithms and Techniques II; (1991) https://doi.org/10.1117/12.45398
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

This paper reports on a current investigation of a new approach to vector quantization (VQ) for image coding. The approach consists of integrating finite state vector quantization (FSVQ) into a binary residual vector quantizer structure. Due to the inherently predictive nature of FSVQ, the quality of image representation is often greatly superior to that of memoryless VQ (for small vector sizes). However, the codebook storage requirements are typically very large by comparison. The objective of this work is to reduce the codebook storage requirement of FSVQ without significantly impairing the reproduction quality of the coded image. Experimental results indicate that low bit rate systems based on a combination of FSVQ and RVQ can be designed with performance approaching the quality of the FSVQ schemes but with only a very small fraction of the storage requirement.

Citation Download Citation

Faouzi Kossentini, Mark J. T. Smith, and Christopher F. Barnes "Residual VQ (vector quantizaton) with state prediction: a new method for image coding", Proc. SPIE 1452, Image Processing Algorithms and Techniques II, (1 June 1991); https://doi.org/10.1117/12.45398

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