Zeqi Ma, Zhiliang Shi, Xiaoyao Li, Wangyue Cai. Pose Estimation of Three-Dimensional Face Point Cloud Based on Symmetry Plane[J]. Laser & Optoelectronics Progress, 2022, 59(8): 0810003
- Laser & Optoelectronics Progress
- Vol. 59, Issue 8, 0810003 (2022)
Fig. 1. General flow chart of face pose estimation
Fig. 2. Symmetric plane
Fig. 3. Symmetric contour extraction process
Fig. 4. Boundary extraction of face symmetry plane
Fig. 5. Extraction results of symmetrical plane boundary and symmetrical contour. (a) Symmetrical plane boundary; (b) symmetrical contour
Fig. 6. Pose estimation. (a) Flow chart of pose estimation; (b) coordinate system of face
Fig. 7. Symmetrical contour pose adjustment
Fig. 8. 3D face point cloud dataset. (a) BJUT-3D original face model; (b) point cloud model after preprocessing
Fig. 9. Three sets of face test data (yaw angle range is from -30° to 30°)
Fig. 10. Variation trend of mean absolute error of β value
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Table 1. Test results of face model under different postures
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Table 2. Mean absolute error of β value
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Table 3. Comparison of pose estimation results
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