• Laser & Optoelectronics Progress
  • Vol. 55, Issue 6, 061009 (2018)
Haiyang Xu1、1; , Jun Kong1、2、1; 2; , Min Jiang1、1; , and Baofeng Zan1、1;
Author Affiliations
  • 1 School of Internet of Things Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
  • 2 College of Electrical Engineering, Xinjiang University, Urumqi, Xinjiang 830047, China
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    DOI: 10.3788/LOP55.061009 Cite this Article Set citation alerts
    Haiyang Xu, Jun Kong, Min Jiang, Baofeng Zan. Action Recognition Based on Histogram of Spatio-Temporal Oriented Principal Components[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061009 Copy Citation Text show less
    Steps of HSTOPC descriptor generation
    Fig. 1. Steps of HSTOPC descriptor generation
    Action sequences of 3D point clouds of (a) high throw and (b) draw circle
    Fig. 2. Action sequences of 3D point clouds of (a) high throw and (b) draw circle
    Multi-scale temporal overlap segmentation method of HSTOPC
    Fig. 3. Multi-scale temporal overlap segmentation method of HSTOPC
    Confusion matrix of the HOPCT+WHL algorithm by experiment setting of 5/5 on MSR action 3D dataset
    Fig. 4. Confusion matrix of the HOPCT+WHL algorithm by experiment setting of 5/5 on MSR action 3D dataset
    MethodRecognition rate /%
    H3DF[16]89.45
    Pose Set[17]90.00
    HOG3D+LLC[18]90.90
    HKD[19]92.73
    DMM-LBP-DF[20]93.00
    HOPC[12]91.64
    HOPC+LHW93.77
    HOPC+LEE93.04
    HSTOPC+LHW94.51
    HSTOPC+LEE94.14
    Table 1. Recognition rate comparison on MSR Action3D dataset
    MethodMean±STDMax /%Min /%
    HOPC[12]87.06±10.6396.5566.67
    HOPC+LHW89.55±9.5510068.21
    HOPC+LEE89.71±9.8010068.42
    HSTOPC+LHW90.41±9.9510069.81
    HSTOPC+LEE90.56±9.0510071.93
    Table 2. Comparison of experimental results with different methods
    MethodMean±STDMax /%Min /%5/5
    STPC[15]---98.33
    HOPC[12]97.15±2.2110088.8997.22
    HSTOPC+LEE98.18±2.7510090.5698.33
    Table 3. Accuracy comparison on MSR Action3D dataset
    MethodMean±STDMax /%Min /%
    HON4D[20]79.28+2.6888.8970.14
    HDG[3]75.54±3.6485.0761.90
    HOPC[12]83.77±3.0992.1874.67
    HSTOPC+LHW85.11±3.2194.0475.67
    Table 4. Accuracy Comparison with other description on UWA3D datasets
    Haiyang Xu, Jun Kong, Min Jiang, Baofeng Zan. Action Recognition Based on Histogram of Spatio-Temporal Oriented Principal Components[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061009
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