Abstract
The automatic detection of subsurface defects has become a desired goal in the application of non-destructive techniques. A new algorithm based on the Hough transform is proposed to reduce human intervention to a minimum by pulsed thermography. The final result provided by this algorithm is an image showing the different defects without having attended to parameters so determinant in other algorithms as the delayed time of the first image or any subjective point of view in the analysis.
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