1 February 1997 Shape from heating: a two-dimensional approach for shape extraction in infrared images
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Optical Engineering, 36(2), (1997). doi:10.1117/1.601210
Abstract
Pulse-transient IR thermography enables detection and quantification of subsurface defects. However, defect detection can be perturbed by the geometry of the part, if not planar. A method is presented that, from a single IR image recorded at the end of the thermal pulse, enables one to evaluate the shape of a nonplanar part and then apply a correction on subsequent thermograms in the time sequence to increase the reliability of defect detection. The method uses some of the concepts of the ‘‘shape from shading’’ theory from the machine vision field.
Jean-Francois Pelletier, Xavier P. Maldague, "Shape from heating: a two-dimensional approach for shape extraction in infrared images," Optical Engineering 36(2), (1 February 1997). http://dx.doi.org/10.1117/1.601210
JOURNAL ARTICLE
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KEYWORDS
Thermography

Thermal modeling

Inspection

3D image processing

Infrared imaging

Defect detection

Image segmentation

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