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Intelligent Stereo Vision in Autonomous Robot Traversability Estimation

Intelligent Stereo Vision in Autonomous Robot Traversability Estimation
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Author(s): Lazaros Nalpantidis (Royal Institute of Technology – KTH, Sweden), Ioannis Kostavelis (Democritus University of Thrace, Greece)and Antonios Gasteratos (Democritus University of Thrace, Greece)
Copyright: 2014
Pages: 16
Source title: Robotics: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-4666-4607-0.ch017

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Abstract

Traversability estimation is the process of assessing whether a robot is able to move across a specific area. Autonomous robots need to have such an ability to automatically detect and avoid non-traversable areas and, thus, stereo vision is commonly used towards this end constituting a reliable solution under a variety of circumstances. This chapter discusses two different intelligent approaches to assess the traversability of the terrain in front of a stereo vision-equipped robot. First, an approach based on a fuzzy inference system is examined and then another approach is considered, which extracts geometrical descriptions of the scene depth distribution and uses a trained support vector machine (SVM) to assess the traversability. The two methods are presented and discussed in detail.

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