%0 Journal Article %T Automated visual inspection of multipattern train components using gradient information and feature fusion under the illumination-variant condition %A Nan, Guo %A Gao, Yang %J Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit %V 232 %N 5 %P 1500-1513 %@ 0954-4097 %D 2018-05-01 %I SAGE Publications %~ DeepDyve