Inspec keywords: feature extraction; learning (artificial intelligence); traffic engineering computing; data mining; railway safety; neural nets; inspection

Other keywords: target parts; centre plate bolts; stacked auto-encoder convolutional neural network; automated visual inspection; inspection accuracy; train safety; moving freight car; composite neural network; feature extraction; SAE-CNN; autonomous information mining; deep learning; image recognition; training efficiency

Subjects: Neural computing techniques; Traffic engineering computing; Image recognition; Computer vision and image processing techniques; Data handling techniques; Knowledge engineering techniques