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Laser & Optoelectronics Progress, Volume. 57, Issue 6, 061506(2020)

Detection Algorithm of Crowd Abnormal Event Based on Girvan-Newman Splitting

Wentao Li, han Fu, Zhen Hao, Yan Ten, Lin Yan, Peiran Zhao, and Xuewu Zhang*
Author Affiliations
  • College of Internet of Things Engineering, Hohai University, Changzhou, Jiangsu 213022, China
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    Figures&Tables (8)
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    References (16)
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    Figures & Tables(8)
    Flow chart of abnormal event detection algorithm based on group analysis

    Fig. 1. Flow chart of abnormal event detection algorithm based on group analysis

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    Group division diagram. (a) Connection establishment; (b) group division

    Fig. 2. Group division diagram. (a) Connection establishment; (b) group division

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    Grouping result. (a) Scene 1; (b) scene 2

    Fig. 3. Grouping result. (a) Scene 1; (b) scene 2

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    Experimental scene 1. (a) Normal scene; (b) abnormal scene

    Fig. 4. Experimental scene 1. (a) Normal scene; (b) abnormal scene

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    Experimental scene 2. (a) Normal scene; (b) abnormal scene

    Fig. 5. Experimental scene 2. (a) Normal scene; (b) abnormal scene

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    Experimental scene 3. (a) Normal scene; (b) abnormal scene

    Fig. 6. Experimental scene 3. (a) Normal scene; (b) abnormal scene

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    • Table 1. Abnormal event detection experiment resultuint: frame

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      Table 1. Abnormal event detection experiment resultuint: frame

      AlgorithmTruevalueDetection
      abnormlnormal
      HOFabnorml721117
      normal1506325
      DTabnorml73999
      normal906385
      EMabnorml635203
      normal2106265
      Ouralgorithmabnorml76672
      normal1216354

    • Table 2. Performance comparison of abnormal event detection algorithmsunit: %

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      Table 2. Performance comparison of abnormal event detection algorithmsunit: %

      AlgorithmAccuracyAccuracyrateRecallrateSpecificityF1score
      HOF96.382.886.097.784.4
      DT97.489.188.298.688.7
      EM94.475.175.896.875.5
      Our97.486.491.498.188.8
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    Wentao Li, han Fu, Zhen Hao, Yan Ten, Lin Yan, Peiran Zhao, Xuewu Zhang. Detection Algorithm of Crowd Abnormal Event Based on Girvan-Newman Splitting[J]. Laser & Optoelectronics Progress, 2020, 57(6): 061506

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    Paper Information

    Category: Machine Vision

    Received: Aug. 20, 2019

    Accepted: Sep. 6, 2019

    Published Online: Mar. 6, 2020

    The Author Email: Zhang Xuewu (Lab_112@126.com)

    DOI:10.3788/LOP57.061506

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology