Junyu Zhong, Jian Qiu, Peng Han, Kaiqing Luo, Li Peng, Dongmei Liu. Head Pose Estimation Algorithm Based on Structured Light Three-Dimensional Reconstruction[J]. Laser & Optoelectronics Progress, 2020, 57(18): 181008
- Laser & Optoelectronics Progress
- Vol. 57, Issue 18, 181008 (2020)
Fig. 1. Head pose. (a) Flow chart of head pose estimation; (b) world and intrinsic coordinate system
Fig. 2. Estimate the angle α.(a) (b) Detect nose tip O and nose bridge B; (c) calculate the angle α between xy plane and b axis
Fig. 3. Estimate the yaw angle. (a) (b) Search the equidistant points from the nose tip on both side of the nose; (c) horizontal cross flat through the nose tip
Fig. 4. Deep image of side face
Fig. 5. Experiment image. (a) Experimental system; (b) light path
Fig. 6. Flowchart of human face 3D reconstruction
Fig. 7. Measurement error of head pose estimation. (a) Yaw angle mean absolute error; (b) pitch angle mean absolute error; (c) roll angle mean absolute error
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