?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F672%2F&rft.title=Train+Positioning+Using+Video+Odometry&rft.creator=Gower%2C+R.&rft.creator=Whittaker%2C+Robert&rft.creator=Wykes%2C+M.+D.&rft.creator=Christmas%2C+J.&rft.creator=Browne%2C+P.&rft.creator=Van+lent%2C+J.&rft.creator=Gower%2C+A.&rft.creator=Ghosh%2C+S.&rft.subject=Transport+and+Automotive&rft.subject=Decision+making&rft.description=Reliable+Data+Systems+have+developed+a+video-based+odometry+system+that+enables+trains+to+measure+velocities+and+distances+travelled+without+the+need+for+trackside+infrastructure.+The+Study+Group+was+asked+to+investigate+ways+of+improving+the+accuracy+of+such+a+system%2C+and+to+suggest+any+improvements+that+might+be+made.+The+work+performed+in+the+week+followed+along+these+strands%3A+(a).+Elimination+of+errors+in+video+odometery+induced+by+pitch+and+height%3B+(b)+Robust+calculation+of+(i)+the+train+velocity+and+(ii)+the+track+curvature%3B+(c).+Accurate+determination+of+the+position+of+a+train+on+a+track+by+assimilating+Curvature+information%3B+(d).+Determining+where+on+UK%E2%80%99s+railway+map+a+train+journey+takes+place%2C+based+purely+on+video+odometry+and+(e).+Drawing+a+track+map.&rft.date=2014&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F672%2F1%2FReport.pdf&rft.identifier=++Gower%2C+R.+and+Whittaker%2C+Robert+and+Wykes%2C+M.+D.+and+Christmas%2C+J.+and+Browne%2C+P.+and+Van+lent%2C+J.+and+Gower%2C+A.+and+Ghosh%2C+S.++(2014)+Train+Positioning+Using+Video+Odometry.++%5BStudy+Group+Report%5D+++++