3D shape reconstruction using multiple projections: a method to eliminate shadowing for projected fringe profilometry

Wei-Hung Su; Cho-Yo Kuo

doi:10.1117/12.738699

17 September 2007 3D shape reconstruction using multiple projections: a method to eliminate shadowing for projected fringe profilometry

Wei-Hung Su, Cho-Yo Kuo

Author Affiliations +

Proceedings Volume 6698, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications; 669811 (2007) https://doi.org/10.1117/12.738699
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

A method using multiple fringe projections from different viewpoints for finding the absolute shape of an object is proposed. In this method, surfaces with large depth discontinuities can be identified without ambiguity. Shadowing caused by tilted fringe projection can be eliminated as well. The other advantages of the proposed measurement system are: (1) large depth-of-field in the projection system; (2) very low fringe distortion (even for a large field of view); and (3) robust performance to analyze dynamic objects.

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Wei-Hung Su and Cho-Yo Kuo "3D shape reconstruction using multiple projections: a method to eliminate shadowing for projected fringe profilometry", Proc. SPIE 6698, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications, 669811 (17 September 2007); https://doi.org/10.1117/12.738699

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