Illumination invariant cost functions in semi-global matching

  • Authors:
  • Simon Hermann;Sandino Morales;Tobi Vaudrey;Reinhard Klette

  • Affiliations:
  • Dept. Computer Science, University of Auckland, New Zealand;Dept. Computer Science, University of Auckland, New Zealand;Dept. Computer Science, University of Auckland, New Zealand;Dept. Computer Science, University of Auckland, New Zealand

  • Venue:
  • ACCV'10 Proceedings of the 2010 international conference on Computer vision - Volume part II
  • Year:
  • 2010

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Abstract

The paper evaluates three categories of similarity measures: ordering-based (census), gradient-based, and illumination-based cost functions. The performance of those functions is evaluated especially with respect to illumination changes using two different sets of data, also including real world driving sequences of hundreds of stereo frames with strong illumination differences. The overall result is that there are cost functions in all three categories that can perform well on a quantitative and qualitative level. This leads to the assumption that those cost functions are in fact closely related at a qualitative level, and we provide our explanation.