Scanning moiré and spatial-offset phase-
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S. Yoneyama; Y. Morimoto; M. Fujigaki; Y. Ikeda
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Article
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2005
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Elsevier Science
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English
⚖ 653 KB
In order to develop a high-speed and accurate surface inspection system of structures such as tunnels, a new surface profile measurement method using linear array sensors is studied. The sinusoidal grating is projected on a structure surface. Then, the deformed grating is scanned by linear array sen