| Автор | Lena Nicolaides |
| Автор | Andreas Mandelis |
| Дата выпуска | 1997-10-01 |
| dc.description | Thermal-wave slice diffraction tomography (TSDT) is a photothermal imaging technique for non-destructive evaluation (NDE), leading to the detection of subsurface cross sectional defects in opaque solids in the very-near-surface region ( - mm). An exact, Green's-function based mathematical model that represents the behaviour of a three-dimensional thermal wave is developed and correlated with a numerical reconstruction technique. The computational technique utilizes the well known Tikhonov regularization method to invert almost singular matrices resulting from the ill-posedness of the inverse thermal-wave problem for the reconstruction of thermal diffusivity cross sectional images in materials. Numerical calculations of the inverse problem are carried out using the Born approximation and simulated reconstructions in back scattering and transmission are presented. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Image-enhanced thermal-wave slice diffraction tomography with numerically simulated reconstructions |
| Тип | paper |
| DOI | 10.1088/0266-5611/13/5/018 |
| Electronic ISSN | 1361-6420 |
| Print ISSN | 0266-5611 |
| Журнал | Inverse Problems |
| Том | 13 |
| Первая страница | 1393 |
| Последняя страница | 1412 |
| Аффилиация | Lena Nicolaides; Photothermal and Optoelectronic Diagnostics Laboratories, Department of Mechanical Engineering, University of Toronto, and Manufacturing Research Corporation of Ontario (MRCO), 5 King's College Road, Toronto, Ontario, Canada M5S 3G8 |
| Аффилиация | Andreas Mandelis; Photothermal and Optoelectronic Diagnostics Laboratories, Department of Mechanical Engineering, University of Toronto, and Manufacturing Research Corporation of Ontario (MRCO), 5 King's College Road, Toronto, Ontario, Canada M5S 3G8 |
| Выпуск | 5 |
