31 January 2013 Converting the infrared thermal image into temperature field for detection the defects inside materials
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Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87594L (2013) https://doi.org/10.1117/12.2015771
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China
Abstract
Infrared thermography inspection is a full-field, non-contact method that allows the defects inside the materials to be detected at one time. However, an interface is required to transfer the gray-level represented infrared image into temperature field for further evaluation. Based on the theory of radiation and the principle of infrared camera’s signal conversion, a method to convert the gray level represented infrared thermal image into temperature field is developed. Test of the method on a cup of hot water was done. Thetemperature obtained by the proposed method and a commercial ones agree very well with each other. An average error less than 0.9% was achieved between them.
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Terry Y. Chen, Terry Y. Chen, Ming-Hsuan Kuo, Ming-Hsuan Kuo, } "Converting the infrared thermal image into temperature field for detection the defects inside materials", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87594L (31 January 2013); doi: 10.1117/12.2015771; https://doi.org/10.1117/12.2015771
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