Deep learning-based single frame phase retrieval

Qingze Guan; Zhichao Sheng; Fanzhou Wang; Chenxing Wang

doi:10.1117/12.2542969

16 October 2019 Deep learning-based single frame phase retrieval

Qingze Guan, Zhichao Sheng, Fanzhou Wang, Chenxing Wang

Proceedings Volume 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019); 112051Q (2019) https://doi.org/10.1117/12.2542969
Event: Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 2019, Phuket, Thailand

Abstract

In the field of precise 3D reconstruction, fringe pattern profilometry (FPP) is always regarded as the preferred method for it provides relatively higher accuracy. However, the phase acquisition process generally requires a sequence of images with different phase shift, which is rather time-consuming. Thus the application scenario of FPP is greatly limited and this has long been a bottleneck in practice. Although single-frame based phase retrieval algorithms like Fourier transform profilometry (FTP) has been proposed and extensively studied, they still suffer from relatively unbearable loss of accuracy. In response to this problem, we take advantage of the deep learning techniques and present a deep-learning based phase acquisition system in which the phase can be acquired by a single frame of fringe pattern image. The network is constructed according to the procedure of phase retrieval, which is trained by thousands of fringe pattern images with the phase data being known in advance. And it can predict more preciously the phase of a new fringe pattern map. Experiments illustrate the effect of our method which will be promising for practical use.

Citation Download Citation

Qingze Guan, Zhichao Sheng, Fanzhou Wang, and Chenxing Wang "Deep learning-based single frame phase retrieval", Proc. SPIE 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 112051Q (16 October 2019); https://doi.org/10.1117/12.2542969

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KEYWORDS

Cameras

Fringe analysis

Clouds

Phase retrieval

Projection systems

3D modeling

Image processing

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