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Bibtex 4(2007)1

Tracking of industrial objects by using CAD models

@article{ws07,
  author="Harald Wuest and Didier Stricker",
  title="Tracking of industrial objects by using CAD models",
  journal="Journal of Virtual Reality and Broadcasting",
  editor = "Jens Herder",
  year="2007",
  volume="4",
  number="1",
  month=aug,
  note="{\tt urn:nbn:de:0009-6-11595}, ISSN 1860-2037",
  abstract = "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."
}

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