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Proceedings Paper

Nondestructive testing by super-resolution infrared thermography
Author(s): Takahide Sakagami; Tomohiro Matsumoto; Shiro Kubo; Daisuke Sato
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Paper Abstract

Super-resolution techniques were applied to infrared thermographic temperature measurement for the improvement of spatial resolution of the infrared image with limited number of imaging pixels. In the proposed super-resolution technique, a high resolution image was produced from plural low resolution images with sub-pixel displacements. The super-resolution scheme was developed based on the displacement analyses in the sub-pixel level for low resolution images based on the image correlation and subsequent interpolative reassignment of the pixel values from low resolution images to the high resolution image. The practicability of the developed super-resolution infrared thermography was experimentally demonstrated.

Paper Details

Date Published: 22 April 2009
PDF: 8 pages
Proc. SPIE 7299, Thermosense XXXI, 72990V (22 April 2009); doi: 10.1117/12.821167
Show Author Affiliations
Takahide Sakagami, Osaka Univ. (Japan)
Tomohiro Matsumoto, Osaka Univ. (Japan)
Shiro Kubo, Osaka Univ. (Japan)
Daisuke Sato, Constec Engineering Co., Ltd. (Japan)

Published in SPIE Proceedings Vol. 7299:
Thermosense XXXI
Douglas D. Burleigh; Ralph B. Dinwiddie, Editor(s)

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