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9 January 1979 Automatic Inspection Of Artillery Shell Radiographs
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Techniques for the automatic detection of defects, such as cracks and cavities in radiographs of artillery shells, have been developed and demonstrated. Because the defect indications are subtle and ride on an intensity trend that varies greatly across the field, it is necessary to precede the detection algorithms by pre-processing steps which "flatten" the trend and emphasize the defects. The algorithms are described and examples of their performance are shown.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. J. Pearson, W. G. Eppler, O. Firschein, M. H. Jacoby, J. Keng, and S. M. Jaffey "Automatic Inspection Of Artillery Shell Radiographs", Proc. SPIE 0155, Image Understanding Systems and Industrial Applications I, (9 January 1979);

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