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Pipeline Landmark Detection for Autonomous Robot Navigation using Time-of-Flight Imagery

Thielemann, Jens T; Breivik, Gøril M.; Berge, Asbjørn
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URI
http://hdl.handle.net/11250/2431755
Date
2008
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  • Publikasjoner fra CRIStin - SINTEF AS [5470]
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Original version
IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops 2008, CVPR Workshops 2008, Anchorage, AK, 23-28 June, 2008  
Abstract
3D imaging systems provide valuable information for autonomous robot navigation based on landmark detection in pipelines. This paper presents a method for using a time-of-flight (TOF) camera for detection and tracking of pipeline features such as junctions, bends and obstacles. Feature extraction is done by fitting a cylinder to images of the pipeline. Data in captured images appear to take a conic rather than cylindrical shape, and we adjust the geometric primitive accordingly. Pixels deviating from the estimated cylinder/cone fit are grouped into blobs. Blobs fulfilling constraints on shape and stability over time are then tracked. The usefulness of TOF imagery as a source for landmark detection and tracking in pipelines is evaluated by comparison to auxiliary measurements. Experiments using a model pipeline and a prototype robot show encouraging results.
 
Pipeline Landmark Detection for Autonomous Robot Navigation using Time-of-Flight Imagery
 

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