·Table of Contents
·Aeronautics and Aerospace

Lossless compression of radiographic non-destructive testing images by region-based and entropy-optimal predictive coding

L.-K. Shark, X. Y. Lin, M.R. Varley, B.J. Matuszewski
Department of Engineering and Product Design
University of Central Lancashire
Preston, PR1 2HE, UK
J. P. Smith
Warton, Preston, PR4 1AX, UK


1. Introduction

2. Image alignment and decomposition

3. Entropy weighted texture-based pre-processing

4. Region-based and entropy-optimal predictive coding

5. Concluding remarks



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