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30 March 2000 Machine vision applications of low-cost thermal infrared camera
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Machine vision applications of thermal image sensors have been investigated under an Internal Research and Development Project at Southwest Research Institute. Initial investigations were conducted to determine response characteristics of a low-cost non-radiometric camera. Application investigations were conducted to develop defect detection capabilities for injection molded rubber parts. Various thermal excitation and material handling approaches were investigated. Image processing software was developed to detect anomalous temperature responses. Research findings, part inspection approaches, and image processing techniques are discussed.
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Michael P. Rigney and Ernest A. Franke "Machine vision applications of low-cost thermal infrared camera", Proc. SPIE 4020, Thermosense XXII, (30 March 2000);

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