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Deflectometric method for surface shape reconstruction from its gradient
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DOI：10.1364/OE.20.028341.png)
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Abstract
En 中文
In this work we provide a theoretical analysis of gradient deflectometric method for 3D topography measurements of optically smooth surfaces. It is shown that the surface reconstruction problem leads to a nonlinear partial differential equation. A shape of a surface can be calculated by solution of a derived equation. An advantage of the presented method is a noncontact character and no need for a reference surface. (C) 2012 Optical Society of America
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