期刊
OPTO-ELECTRONIC ADVANCES
卷 5, 期 5, 页码 -出版社
CAS, INST OPTICS & ELECTRONICS, ED OFF OPTO-ELECTRONIC JOURNALS
DOI: 10.29026/oea.2022.210021
关键词
fringe projection profilometry (FPP); phase unwrapping; deep learning
类别
资金
- National Natural Science Foundation of China [62075096, 62005121, U21B2033]
- Leading Technology of Jiangsu Basic Research Plan [BK20192003]
- 333 Engineering Research Project of Jiangsu Province [BRA2016407]
- Jiangsu Provincial One belt and one road innovation cooperation project [BZ2020007]
- Fundamental Research Funds for the Central Universities [30921011208, 30919011222, 30920032101]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX21_0273]
- Open Research Fund of Jiangsu Key Laboratory of Spectral Imaging & Intelligent Sense [JSGP202105]
This paper presents a method based on deep neural networks to directly recover the absolute phase of isolated objects from a single fringe image, enabling high-quality 3D reconstructions within a single image.
Single-shot high-speed 3D imaging is important for reconstructions of dynamic objects. For fringe projection profilometry (FPP), however, it is still challenging to recover accurate 3D shapes of isolated objects by a single fringe image. In this paper, we demonstrate that the deep neural networks can be trained to directly recover the absolute phase from a unique fringe image that involves spatially multiplexed fringe patterns of different frequencies. The extracted phase is free from spectrum-aliasing problem which is hard to avoid for traditional spatial-multiplexing methods. Experiments on both static and dynamic scenes show that the proposed approach is robust to object motion and can obtain high-quality 3D reconstructions of isolated objects within a single fringe image.
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