Mosaicking Cluttered Ground Planes Based on Stereo Vision

  • Authors:
  • José Gaspar;Miguel Realpe;Boris Vintimilla;José Santos-Victor

  • Affiliations:
  • Computer Vision Laboratory Inst. for Systems and Robotics Instituto Superior Técnico Lisboa, Portugal;Vision and Robotics Center Dept. of Electrical and Computer Science Eng., Escuela Superior Politécnica del Litoral Guayaquil, Ecuador,;Vision and Robotics Center Dept. of Electrical and Computer Science Eng., Escuela Superior Politécnica del Litoral Guayaquil, Ecuador,;Computer Vision Laboratory Inst. for Systems and Robotics Instituto Superior Técnico Lisboa, Portugal

  • Venue:
  • IbPRIA '07 Proceedings of the 3rd Iberian conference on Pattern Recognition and Image Analysis, Part II
  • Year:
  • 2007

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Abstract

Recent stereo cameras provide reliable 3D reconstructions. These are useful for selecting ground-plane points, register them and building mosaics of cluttered ground planes. In this paper we propose a 2D Iterated Closest Point (ICP) registration method, based on the distance transform, combined with a fine-tuning-registration step using directly the image data. Experiments with real data show that ICP is robust to 3D reconstruction differences due to motion and the fine tuning step minimizes the effect of the uncertainty in the 3D reconstructions.