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Field Testing of the Mars Exploration Rovers Descent Image Motion Estimation System

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5 Author(s)
Johnson, A. ; Jet Propulsion Laboratory California Institute of Technology 4800 Oak Grove Drive, Pasadena, CA 91109; ; Willson, R. ; Goguen, J. ; Alexander, J.
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The Mars Exploration Rover (MER) Descent Image Motion Estimation System (DIMES) is the first autonomous machine vision system used to safely land a robotics payload on another planet. DIMES consists of a descent camera and an algorithm for estimating horizontal velocity using image, inertial and altitude measurements. Before DIMES was accepted by MER for inclusion in the mission, its performance was validated through field testing using a manned helicopter to image three Mars analog test sites. Statistical analysis of the resulting 1900+ test cases showed that DIMES met its velocity estimation requirement. This paper describes the DIMES field test approach and associated results.

Published in:

Robotics and Automation, 2005. ICRA 2005. Proceedings of the 2005 IEEE International Conference on

Date of Conference:

18-22 April 2005