Signal processing and pattern recognition in nondestructive evaluation of materials : proceedings of the NATO Advanced Research Workshop on Signal Processing and Pattern Recognition in Nondestructive Evaluation of Materials, held at the Manoir St-Castin, Lac Beauport, Quebec, Canada, August 19-22, 1987 - Chen, C. H. (Chi-hau), 1937- (NATO ASI series. Computer and system sciences ;, 1988)