Calibrating an air-ground control system from motion correspondences

Authors:
Rahul Rao;Camillo J. Taylor;Vijay Kumar
Affiliations:
General Robotics and Active Sensory Perception Laboratory, University of Pennsylvania, Philadelphia, PA;General Robotics and Active Sensory Perception Laboratory, University of Pennsylvania, Philadelphia, PA;General Robotics and Active Sensory Perception Laboratory, University of Pennsylvania, Philadelphia, PA
Venue:
CVPR'04 Proceedings of the 2004 IEEE computer society conference on Computer vision and pattern recognition
Year:
2004

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Abstract

In this paper we consider the problem of controlling the motion of a vehicle moving on a ground plane based on aerial imagery. In the course of this work we propose a novel analysis of the relationship between the velocity of the vehicle on the ground plane and the velocity of its projection in the image. We show that this relationship provides information about a subset of the parameters of the homography relating the ground plane to the aerial image plane and describe how we can recover this relationship from available measurements.