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A Kidnapping Detection Using Human Pose Estimation in Intelligent Video Surveillance Systems

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2018, 23(8), pp.9-16
  • DOI : 10.9708/jksci.2018.23.08.009
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : July 3, 2018
  • Accepted : July 25, 2018
  • Published : August 31, 2018

Ju Hyun Park 1 KwangHo Song 2 YOO SUNG KIM 1

1인하대학교
2인하대학교 정보통신공학과

Accredited

ABSTRACT

In this paper, a kidnapping detection scheme in which human pose estimation is used to classify accurately between kidnapping cases and normal ones is proposed. To estimate human poses from input video, human’s 10 joint information is extracted by OpenPose library. In addition to the features which are used in the previous study to represent the size change rates and the regularities of human activities, the human pose estimation features which are computed from the location of detected human’s joints are used as the features to distinguish kidnapping situations from the normal accompanying ones. A frame-based kidnapping detection scheme is generated according to the selection of J48 decision tree model from the comparison of several representative classification models. When a video has more frames of kidnapping situation than the threshold ratio after two people meet in the video, the proposed scheme detects and notifies the occurrence of kidnapping event. To check the feasibility of the proposed scheme, the detection accuracy of our newly proposed scheme is compared with that of the previous scheme. According to the experiment results, the proposed scheme could detect kidnapping situations more 4.73% correctly than the previous scheme.

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