Event Detection Using Quantized Binary Code and Spatial-Temporal Locality Preserving Projections

  • Hanhe Lin
  • Jeremiah D. Deng
  • Brendon J. Woodford
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8272)

Abstract

We propose a new video manifold learning method for event recognition and anomaly detection in crowd scenes. A novel feature descriptor is proposed to encode regional optical flow features of video frames, where quantization and binarization of the feature code are employed to improve the differentiation of crowd motion patterns. Based on the new feature code, we introduce a new linear dimensionality reduction algorithm called “Spatial-Temporal Locality Preserving Projections” (STLPP). The generated low-dimensional video manifolds preserve both intrinsic spatial and temporal properties. Extensive experiments have been carried out on two benchmark datasets and our results compare favourably with the state of the art.

Keywords

manifold learning event recognition anomaly detection 

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Copyright information

© Springer International Publishing Switzerland 2013

Authors and Affiliations

  • Hanhe Lin
    • 1
  • Jeremiah D. Deng
    • 1
  • Brendon J. Woodford
    • 1
  1. 1.Department of Information ScienceUniversity of OtagoDunedinNew Zealand

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