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  • 标题:Tracking of industrial objects by using CAD models
  • 本地全文:下载
  • 作者:Harald Wuest ; Didier Stricker
  • 期刊名称:Journal of Virtual Reality and Broadcasting
  • 印刷版ISSN:1860-2037
  • 出版年度:2007
  • 卷号:4
  • 期号:1
  • DOI:10.20385/1860-2037/4.2007.1
  • 出版社:University of Applied Sciences Dusseldorf
  • 摘要:In this paper we present a model-based approach for real-time camera pose estimation in industrial scenarios. The line model which is used for tracking is generated by rendering a polygonal model and extracting contours out of the rendered scene. By un-projecting a point on the contour with the depth value stored in the z-buffer, the 3D coordinates of the contour can be calculated. For establishing 2D/3D correspondences the 3D control points on the contour are projected into the image and a perpendicular search for gradient maxima for every point on the contour is performed. Multiple hypotheses of 2D image points corresponding to a 3D control point make the pose estimation robust against ambiguous edges in the image.
  • 关键词:Augmented Reality;CAD model;Line Tracking;Tracking
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