A comparison of different computer vision methods for real time 3D reconstruction for the use in mobile robots

  • Authors:
  • Joachim Dornauer;Gabriele Kotsis;Christian Bernthaler;Michael Naderhirn

  • Affiliations:
  • Johannes Kepler University Linz, Linz;Johannes Kepler University Linz, Linz;AeroSpy Sense and Avoid Technology, Linz;AeroSpy Sense and Avoid Technology, Linz

  • Venue:
  • Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
  • Year:
  • 2008

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Abstract

In this paper a general algorithm for a computer vision unit for supporting a Micro Unmanned Aerial Vehicle's autonomous flight through an unknown environment is presented. It is shown that the data generated from an image sequence taken by a single camera can be used as a supplementary measurement for an inertial measurement unit. This work also includes an examination of two different techniques of generating point correspondences in a recorded image sequence. A combination of Harris Corner Detection and Normalized Cross Correlation is compared with Optical Flow in respect to run time and accuracy properties. An assessment for real time applications is given afterwards.