Thermographic Image Processing for NDT
نویسندگان
چکیده
In the context of infrared thermographic NDT, the whole acquisition chain is first reviewed including the required pre-processing stages needed to restore images from degradations such as vignetting, camera noise and dead pixels. Polynomial conversion to temperature values is next. Secondly, the processing steps are discussed following two main directions: qualitative imaging which requires image enhancement and quantitative imaging aimed at defect detection, defect quantification and thermal properties assessments. Supporting examples taken from infrared thermographic NDT are presented to support the varios discussed techniques.
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