关键词: 扣件定位, 掩膜, 可变形部件模型, 部件权重

Abstract: In order to solve the problem that the original deformable part model has high false locating rate when locating the railway fastener, this paper proposes a railway fastener location algorithm combined mask and deformable part model. First, in the process of training, the trained fastener deformation part model is masked to remove part of the fastener background area in the model. Then, the distribution of masked model part score is counted to determine the weight of each part. Finally, for a new image which is not located, the weight of the trained part is used to calculate the model detection score. Experimental results show that the original deformable part model has better locating effect than current mainstream fastener location methods and the proposed algorithm reduces the false locating rate by 52% compared to the original deformable part model. In addition, the proposed algorithm can also accurately locate the fastener on sunny days and cloudy days.

Key words: railway fastener location, mask, deformable part model, part weight