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      3-D motion estimation of rigid objects for video coding applications using an improved iterative version of the E-matrix method

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      Author(s)
      Alatan, A. A.
      Onural, L.
      Date
      1998-02
      Source Title
      IEEE Signal Processing Society
      Print ISSN
      1070-9908
      Electronic ISSN
      1558-2361
      Publisher
      Institute of Electrical and Electronics Engineers
      Volume
      5
      Issue
      2
      Pages
      36 - 38
      Language
      English
      Type
      Article
      Item Usage Stats
      224
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      182
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      Abstract
      As an alternative to current two-dimensional (2-D) motion models, a robust three-dimensional (3-D) motion estimation method is proposed to be utilized in object-based video coding applications. Since the popular E-matrix method is well known for its susceptibility to input errors, a performance indicator, which tests the validity of the estimated 3-D motion parameters both explicitly and implicitly, is defined. This indicator is utilized within the RANSAC method to obtain a robust set of 2-D motion correspondences which leads to better 3-D motion parameters for each object. The experimental results support the superiority of the proposed method over direct application of the E-matrix method.
      Keywords
      Object-based video coding
      E-matrix method
      Object-based motion analysis
      Ransac
      3-D motion and structure estimation
      Permalink
      http://hdl.handle.net/11693/10914
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/97.659545
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      • Department of Electrical and Electronics Engineering 4011
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