A comparison study of denoising techniques in fringe pattern analysis

Ming Zhao; Kemao Qian

doi:10.1117/12.2084795

4 March 2015 A comparison study of denoising techniques in fringe pattern analysis

Ming Zhao, Kemao Qian

Proceedings Volume 9302, International Conference on Experimental Mechanics 2014; 930208 (2015) https://doi.org/10.1117/12.2084795
Event: International Conference on Experimental Mechanics 2014, 2014, Singapore, Singapore

Abstract

Optical interferometry is a popular technique for high precision measurement. It produces fringe patterns for analysis. The output fringe patterns usually have noises, and thus a filtering process for fringe patterns is necessary. A few filtering algorithms, such as windowed Fourier filtering (WFF), have been proposed specially for fringe pattern denoising. Meanwhile, filtering techniques have been intensively studied for a long time in the general image processing area. It is curious that how the filtering techniques in general image processing area perform on fringe pattern denoising. In this paper, a state-of-the-art filtering algorithm, block-matching 3D filtering (BM3D), is selected and compared with the WFF.

Citation Download Citation

Ming Zhao and Kemao Qian "A comparison study of denoising techniques in fringe pattern analysis", Proc. SPIE 9302, International Conference on Experimental Mechanics 2014, 930208 (4 March 2015); https://doi.org/10.1117/12.2084795

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