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Exploring video streams using slit-tear visualizations

Published:04 April 2009Publication History

ABSTRACT

Slit-tear visualizations allow users to selectively visualize pixel paths in a video scene. The slit-tear visualization technique is a generalization of the traditional photographic slit-scanning and more recent video slicing techniques: after a user specifies a pixel path of interest, the system generates a timeline that replicates those pixels for each frame in the video. These rich visualizations of the video data help users to discover and explore spatio-temporal patterns of activity in a video. In this video, we illustrate the use of slit-tear visualizations to detect movement and incidence of activity in a video scene, accentuate directional motion and small changes in the video, and discover patterns of activity between spatially distinct areas of the scene.

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References

  1. Tang, A., Greenberg, S., Fels, S. Exploring video streams using slit-tear visualizations. In Proc. AVI 2008, ACM Press (2008), 191--198. Google ScholarGoogle ScholarDigital LibraryDigital Library

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    • Published in

      cover image ACM Conferences
      CHI EA '09: CHI '09 Extended Abstracts on Human Factors in Computing Systems
      April 2009
      2470 pages
      ISBN:9781605582474
      DOI:10.1145/1520340

      Copyright © 2009 Copyright is held by the owner/author(s)

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      Association for Computing Machinery

      New York, NY, United States

      Publication History

      • Published: 4 April 2009

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      • extended-abstract

      Acceptance Rates

      CHI EA '09 Paper Acceptance Rate385of1,130submissions,34%Overall Acceptance Rate6,164of23,696submissions,26%

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