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      • Department of Electrical and Electronics Engineering
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      Moving region detection in wavelet compressed video

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      Author
      Töreyin, B. Uğur
      Çetin, A. Enis
      Aksay, Anıl
      Akhan, M. B.
      Date
      2004
      Source Title
      Proceedings of the 12th Signal Processing and Communications Applications Conference, IEEE 2004
      Publisher
      IEEE
      Pages
      676 - 679
      Language
      Turkish
      Type
      Conference Paper
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      Abstract
      In many vision based surveillance systems the video is stored in wavelet compressed form. In this study, an algorithm for moving object and region detection in video that is compressed using a wavelet transform (WT) is developed. The algorithm estimates the WT of the background scene from the WTs of the past image frames of the video. The WT of the current image is compared with the WT of the background and the moving objects are determined from the difference. The algorithm does not perform inverse WT to obtain the actual pixels of the current image nor the estimated background. This leads to a computationally efficient method and a system compared to the existing motion estimation methods.
      Keywords
      Image frames
      Inverse wavelet transforms
      Moving objects
      Surveillance systems
      Algorithms
      Image analysis
      Image compression
      Motion estimation
      Signal detection
      Surveillance radar
      Wavelet transforms
      Permalink
      http://hdl.handle.net/11693/27410
      Published Version (Please cite this version)
      https://doi.org/10.1109/SIU.2004.1338621
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      • Department of Electrical and Electronics Engineering 3524
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