Journal
OPTICS EXPRESS
Volume 28, Issue 24, Pages 36568-36583Publisher
Optica Publishing Group
DOI: 10.1364/OE.410428
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Funding
- Iowa State University (College of Engineering Faculty Startup Fund)
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High-accuracy and high-speed three-dimensional (3D) fringe projection profilometry (FPP) has been widely applied in many fields. Recently, researchers discovered that deep learning can significantly improve fringe analysis. However, deep learning requires numerous objects to be scanned for training data. In this paper, we propose to build the digital twin of an FPP system and pertbrm virtual scanning using computer graphics, which can significantly save cost and labor. The proposed method extracts 3D geometry directly from a single-shot fringe image, and real-world experiments have demonstrated the success of the virtually trained model. Our virtual scanning method can automatically generate 7,200 fringe images and 800 corresponding 3D scenes within 1.5 hours. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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