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Fast Action Detection with One Query Example Based on Hough Voting

  • Lishen Pei
  • Mao Ye
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 321)

Abstract

Detect action in the target video based on a query video is an important research topic. We propose a fast action detection method. First, Features extracted at the interest points from the query video. Then, the clips are formed by sliding a window on the video. For each clip, the points of all the frames are compared with that in the first frame. The matched pairs are counted in the displacement cells to form a displacement histogram. This histogram sequence represents the query video. Then, we divide the target video into cubes. These cubes are similarly represented by histogram sequences. Matrix Cosine Similarity (MCS) is used to compute the similarities between the query video and cubes. Last, we localize the action using the locations of the matched points. Our key contribution is the proposed fast action representation method. Experiments on challenging datasets confirm the effectiveness and efficiency of our method.

Keywords

Action Detection Hough Voting Displacement Histogram Matrix Cosine Similarity 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Lishen Pei
    • 1
  • Mao Ye
    • 1
  1. 1.School of Computer Science & EngineeringUniversity of Electronic Science and Technology of ChinaChengDuChina

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