Infrared and Laser Engineering, Volume. 49, Issue 6, 20200023(2020)
Multi-stage deep learning based single-frame fringe projection 3D measurement method
Fig. 1. 3D measurement of traditional digital fringe projection. (a) Fringe projection; (b) wrapped phase; (c) absolute phase; (d) depth
Fig. 2. Single-stage deep learning based single-frame fringe projection 3D measurement method. (a)Fringe projection; (b)UNet; (c)Depth
Fig. 3. Multi-stage deep learning based single-frame fringe projection 3D measurement method. (a) Fringe; (b) FPTNet; (c) s phase-shifted fringe with different frequencies; (d) absolute phase; (e) PDNet; (f) depth
Fig. 4. 3D measurement results of two methods for a simple morphologic object. (a) Fringe projection; (b) measurement result of Deeplab V3+; (c) measurement result of ERFNet; (d) measurement result of UNet; (e) measurement result of the proposed method; (f) ground truth; (g) measurement error of DeeplabV3+; (h) measurement error of ERFNet; (i) measurement error of UNet; (j) measurement error of the proposed method
Fig. 5. 3D measurement results of two methods for a complex morphologic object. (a) Fringe projection; (b) measurement result of Deeplab V3+; (c) measurement result of ERFNet; (d) measurement result of UNet; (e) measurement result of the proposed method; (f) ground truth; (g) measurement error of Deeplab V3+; (h) measurement error of ERFNet; (i) measurement error of UNet; (j) measurement error of the proposed method
Fig. 6. (a) Error of multi-stage deep learning based single-frame fringe projection 3D measurement method; (b) corresponding enlarged detail of the red box in (a); (c) corresponding enlarged detail of the green box in (a)
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Zhao Zhang, Bowen Han, Haotian Yu, Yi Zhang, Dongliang Zheng, Jing Han. Multi-stage deep learning based single-frame fringe projection 3D measurement method[J]. Infrared and Laser Engineering, 2020, 49(6): 20200023
Category: Special issue-Optical 3D imaging and sensing
Received: Mar. 19, 2020
Accepted: --
Published Online: Aug. 19, 2020
The Author Email: Han Jing (eohj@njust.edu.cn)