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Sensors 2014, 14(2), 3033-3064; doi:10.3390/s140203033

Performance of Global-Appearance Descriptors in Map Building and Localization Using Omnidirectional Vision

Departamento de Ingeniería de Sistemas y Automática, Miguel Hernández University, Avda. de la Universidad s/n, Elche (Alicante), Spain
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Received: 26 December 2013 / Revised: 1 February 2014 / Accepted: 7 February 2014 / Published: 14 February 2014
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain 2013)

Abstract

Map building and localization are two crucial abilities that autonomous robots must develop. Vision sensors have become a widespread option to solve these problems. When using this kind of sensors, the robot must extract the necessary information from the scenes to build a representation of the environment where it has to move and to estimate its position and orientation with robustness. The techniques based on the global appearance of the scenes constitute one of the possible approaches to extract this information. They consist in representing each scene using only one descriptor which gathers global information from the scene. These techniques present some advantages comparing to other classical descriptors, based on the extraction of local features. However, it is important a good configuration of the parameters to reach a compromise between computational cost and accuracy. In this paper we make an exhaustive comparison among some global appearance descriptors to solve the mapping and localization problem. With this aim, we make use of several image sets captured in indoor environments under realistic working conditions. The datasets have been collected using an omnidirectional vision sensor mounted on the robot. View Full-Text
Keywords: omnidirectional vision sensor; global appearance descriptors; map building; localization; image recovering; particle filter omnidirectional vision sensor; global appearance descriptors; map building; localization; image recovering; particle filter
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Payá, L.; Amorós, F.; Fernández, L.; Reinoso, O. Performance of Global-Appearance Descriptors in Map Building and Localization Using Omnidirectional Vision. Sensors 2014, 14, 3033-3064.

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