Oleg Kupervasser, Ronen Lerner, Ehud Rivlin. Error Analysis for a Navigation Algorithm based on Optical-flow and a Digital Terrain Map

Natural Sciences / Computer Science / Analysis of algorithms

Submitted on: Sep 01, 2012, 19:13:15

Description: The paper deals with the error analysis of a navigation algorithm that uses as input a sequence of images acquired by a moving camera and a Digital Terrain Map (DTM) of the region been imaged by the camera during the motion. The main sources of error are more or less straightforward to identify: camera resolution, structure of the observed terrain and DTM accuracy, field of view and camera trajectory. After characterizing and modeling these error sources in the framework of the CDTM algorithm, a closed form expression for their effect on the pose and motion errors of the camera can be found. The analytic expression provides a priori measurements for the accuracy in terms of the parameters mentioned above.

The Library of Congress (USA) reference page : http://lccn.loc.gov/cn2013300046.

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