A Space-Sweep Approach to True Multi-Image Matching

  • Authors:
  • Robert T. Collins

  • Affiliations:
  • -

  • Venue:
  • CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
  • Year:
  • 1996

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Abstract

The problem of determining feature correspondences across multiple views is considered. The term "true multi-image'' matching is introduced to describe techniques that make full and efficient use of the geometric relationships between multiple images and the scene. A true multi-image technique must generalize to any number of images, be of linear algorithmic complexity in the number of images, and use all the images in an equal manner. A new space-sweep approach to true multi-image matching is presented that simultaneously determines 2D feature correspondences and the 3D positions of feature points in the scene. The method is illustrated on a seven-image matching example from the aerial image domain.