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Affine structure from translational motion in image sequences

På svenska

Author

  • P Hammarstedt
  • Fredrik Kahl
  • Anders Heyden

Summary, in English

In this paper a method for obtaining affine structure from an image sequence taken by a translating camera with constant intrinsic parameters is presented. A general geometric constraint, expressed using the camera matrices, is derived and this constraint is used in a least squares solution of the problem. The first step is to obtain a projective reconstruction, in the form of a sequence of camera matrices (and a sparse set of feature points), and then these constraints are used to upgrade to an affine reconstruction. The proposed algorithm extends previous results of affine structure recovery from two images with a translating camera to the general case of a sequence of images. The proposed method is illustrated in both simulated and real experiments.

Publishing year

2003

Language

English

Pages

387-394

Publication/Series

Lecture Notes in Computer Science

Volume

2749

Document type

Conference paper

Publisher

Springer

Topic

  • Mathematics

Keywords

  • stratification
  • affine camera
  • structure and motion estimation
  • translating motion

Conference name

13th Scandinavian Conference, SCIA 2003

Conference date

2003-06-29 - 2003-07-02

Conference place

Halmstad, Sweden

Status

Published

ISBN/ISSN/Other

  • ISSN: 0302-9743
  • ISSN: 1611-3349
  • ISBN: 978-3-540-40601-3