Affine Invariant Detection: Edges, Active Contours, and Segments

@inproceedings{Olver1996AffineID,
  title={Affine Invariant Detection: Edges, Active Contours, and Segments},
  author={Peter J. Olver and Guillermo Sapiro and Allen R. Tannenbaum},
  booktitle={CVPR},
  year={1996}
}
In this paper we undertake a systematic investigation of afine invariant object detection. Edge d e tection is first presented from the point of view of the afine invariant scale-space obtained b y curvature based motion of the image level-sets. In this case, afine invariant edges are obtained as a weighted d i f ference of images at different scales. We then introduce the afine gradient as the simplest possible aJgine invariant differential function which has t h e same qualitative behavior as… CONTINUE READING
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