An Evaluation of Image-Based Robot Orientation Estimation

Type Conference Proceeding (Non-Journal item)
Original languageEnglish
Title of host publicationTowards Autonomous Robotic Systems
PublisherSpringer Nature
Number of pages23
ISBN (Print)9783662436448, 3662436442
Publication statusPublished - 31 Jul 2013
Event14th Annual Conference, TAROS 2013 - Oxford, United Kingdom of Great Britain and Northern Ireland
Duration: 28 Aug 201330 Aug 2013

Publication series

NameLecture Notes in Artificial Intelligence


Conference14th Annual Conference, TAROS 2013
Country/TerritoryUnited Kingdom of Great Britain and Northern Ireland
Period28 Aug 201330 Aug 2013
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This paper describes a novel image-based method for robot orientation estimation based on a single omnidirectional camera. The estimation of orientation is computed by finding the best pixel-wise match between images as a function of the rotation of the second image. This is done either using the first image as the reference image or with a moving reference image. Three datasets were collected in different scenarios along a “Gummy Bear” path in outdoor environments. This carefully designed path has the appearance of a gummy bear in profile, and provides many curves and sets of image pairs that are challenging for visual robot localisation. We compare our method to a feature-based method using SIFT and another appearance-based visual compass. Experimental results demonstrate that the appearance-based methods perform well and more consistently than the feature based method, especially when the compared images were grabbed at positions far apart.


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