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Real Time Tunnel Based Video Summarization Using Direct Shift Collision Detection

  • Siriwat Kasamwattanarote
  • Nagul Cooharojananone
  • Shin’ichi Satoh
  • Rajalida Lipikorn
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6297)

Abstract

This paper presents a real time tunnel based video summarization using direct shift collision detection. The algorithm first detects objects from each video frame and segments them into slices using HOG object detection. Slices are then tracked as a tunnel which describes movement of objects in time space. We then propose direct shift collision detection algorithm (DSCD) to compute a distance for compacting tunnels. Shifting tunnels using DSCD yields the results of multiple activity tunnels appeared simultaneously while they are originally appeared at the different time. In order to solve such problem, our proposed film map generation technique is used to summarize a video which leaves just-in-time renderer to render only necessary frames. The combination of these three proposed methods reveal an overall performance that gives us real time results without losing the main contents of summarized video.

Keywords

Video summarization Object tracking Tunnel processing HOG Direct Shift Collision Detection Film Map generation JIT renderer 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Siriwat Kasamwattanarote
    • 1
  • Nagul Cooharojananone
    • 1
  • Shin’ichi Satoh
    • 2
  • Rajalida Lipikorn
    • 1
  1. 1.Department of Mathematics, Faculty of ScienceChulalongkorn UniversityBangkokThailand
  2. 2.National Institute of InformaticsTokyoJapan

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