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Global Motion Model for Stereovision-Based Motion Analysis

  • Jia WangEmail author
  • Zhencheng Hu
  • Keiichi Uchimura
  • Hanqing Lu
Open Access
Research Article

Abstract

An advantage of stereovision-based motion analysis is that the depth information is available, thus motion can be estimated more precisely in Open image in new window D stereo coordinate system (SCS) constructed by the depth and the image coordinates. In this paper, stereo global motion in SCS, which is induced by 3D camera motion in real-world coordinate system (WCS), is parameterized by a five-parameter global motion model (GMM). Based on such model, global motion can be estimated and identified directly in SCS without knowing the physical parameters about camera motion and camera setup in WCS. The reconstructed global motion field accords with the spatial structure of the scene much better. Experiments on both synthetic data and real-world images illustrate its promising performance.

Keywords

Coordinate System Information Technology Physical Parameter Spatial Structure Quantum Information 

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Copyright information

© Wang et al. 2006

Authors and Affiliations

  • Jia Wang
    • 1
    Email author
  • Zhencheng Hu
    • 2
  • Keiichi Uchimura
    • 2
  • Hanqing Lu
    • 1
  1. 1.National Laboratory of Pattern RecognitionInstitute of Automation, Chinese Academy of SciencesBeijingChina
  2. 2.Department of Computer Science, Faculty of EngineeringKumamoto UniversityKumamotoJapan

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