Three-dimensional imaging with acousto-optic fringe projector and piecewise temporal phase unwrapping

Jindong Tian; Xiaobo Zhao; Xiaoli Liu; Xiang Peng

doi:10.1117/12.733621

14 September 2007 Three-dimensional imaging with acousto-optic fringe projector and piecewise temporal phase unwrapping

Jindong Tian, Xiaobo Zhao, Xiaoli Liu, Xiang Peng

Proceedings Volume 6671, Optical Manufacturing and Testing VII; 66711B (2007) https://doi.org/10.1117/12.733621
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

We report an approach for three-dimensional (3D) imaging with use of acousto-optic fringe projector (AOFP) and a technique of piecewise temporal phase unwrapping. The AOFP is controlled by direct digital synthesizer to generate a sequence of fringe patterns with different spatial frequencies so that encoding with variable sensitivity can be realized. Furthermore, we present a new phase unwrapping strategy for incremental phase reconstruction with the level of details. The algorithm is developed as a piecewise temporal phase unwrapping with a tolerance of deviation from the condition imposed upon conventional temporal phase unwrapping technique. Preliminary experiment results are given to support proposed approach.

Citation Download Citation

Jindong Tian, Xiaobo Zhao, Xiaoli Liu, and Xiang Peng "Three-dimensional imaging with acousto-optic fringe projector and piecewise temporal phase unwrapping", Proc. SPIE 6671, Optical Manufacturing and Testing VII, 66711B (14 September 2007); https://doi.org/10.1117/12.733621

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