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An evaluation of rational functions for photogrammetric restitution

Dowman, I; Dolloff, JT; (2000) An evaluation of rational functions for photogrammetric restitution. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives , 33 pp. 254-266.

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Abstract

© 2000 International Society for Photogrammetry and Remote Sensing. All rights reserved. This paper addresses the questions of whether rational functions are suitable for photogrammetric restitution. With the increasing number, and greater complexity of sensors becoming available, and the need for standards in transferring orientation data, the use of polynomials offers an attractive solution. However there are concerns about the accuracy and robustness of such methods, and the paper sets out to examine these concerns and also to propose a method of removing some of the shortcomings of current methods. The paper reviews the current information available on rational functions and sets out the methods being used and reports on results which are available. A new method of dealing with error propagation is proposed. The paper concludes that the use of polynomial functions can offer an effective method of photogrammetric restitution for a wide range of sensors but that the models available have not been tested or used sufficiently to be certain that error or instability will not be a problem. There does however seem to be no case to use polynomial functions with standard frame cameras, as existing methods are rigorous and proven to work, unless the most important requirement of the user is having only one sensor model for all sensors.

Type: Article
Title: An evaluation of rational functions for photogrammetric restitution
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: http://discovery.ucl.ac.uk/id/eprint/55229
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