Fighting Detection Based on Optical Flow Context Histogram

@article{Chen2011FightingDB,
  title={Fighting Detection Based on Optical Flow Context Histogram},
  author={Yan Chen and Ling Zhang and Biyi Lin and Yong Xu and Xiaobo Ren},
  journal={2011 Second International Conference on Innovations in Bio-inspired Computing and Applications},
  year={2011},
  pages={95-98}
}
This paper proposes a new feature, optical flow context histogram (OFCH) for detecting abnormal events, especially the fighting violence events from a live camera stream. The optical flow context histogram is a log-polar histogram system which combines the histogram of orientation and magnitude of optical flow together. The human action is represented by using the histogram sequence of orientation and magnitude of optical flow. PCA is adopted to reduce the dimension of the human action… CONTINUE READING

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