An Adaptive Block-Quantizer Approach To Transform Coding Of Pictures

M. Haqhiri; C. Remus

doi:10.1117/12.952197

1 May 1986 An Adaptive Block-Quantizer Approach To Transform Coding Of Pictures

M. Haqhiri, C. Remus

Proceedings Volume 0594, Image Coding; (1986) https://doi.org/10.1117/12.952197
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

Two fixed rate transform coding techniques are presented in this paper. They use a simple non-stationary model for images. This model supposes that the transformed sub-blocks of an image signal could be generated by switching the outputs of several random vector generators. It leads to two adaptive block quantizer techniques which characterize the random generators based on a training sequence and encode the new images using the learned parameters. These techniques show some improvements with respect to the well-known Chen-Smith method. The encoder-decoder complexity is lower and the techniques are easily hardware implementable.

Citation Download Citation

M. Haqhiri and C. Remus "An Adaptive Block-Quantizer Approach To Transform Coding Of Pictures", Proc. SPIE 0594, Image Coding, (1 May 1986); https://doi.org/10.1117/12.952197

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