Haiyang Xu, Jun Kong, Min Jiang. Human Action Recognition Based on Quaternion 3D Skeleton Representation[J]. Laser & Optoelectronics Progress, 2018, 55(2): 021002
- Laser & Optoelectronics Progress
- Vol. 55, Issue 2, 021002 (2018)
Fig. 1. Flow chart of training and testing process
Fig. 2. Hierarchical skeleton points and definition of skeletal vectors
Fig. 3. (a) Representation of body part em in local coordinate system of en; (b) Representation of body part en in local coordinate system of em
Fig. 4. Angle cosine calculation between body parts
Fig. 5. Confusion matrix of MSR-Action3D database
Fig. 6. Confusion matrix of Florence3D-Action database
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Table 1. Comparison of different descriptors different descriptors on MSR-Action3D dataset
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Table 2. Recognition rate based on key frames on MSR-Action3D dataset
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Table 3. Comparison of different descriptors on database of UTKinect-Action and Florence3D-Action
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