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A SAFT Method for the Detection of Void Defect inside a Ballastless Track Structure Using Ultrasonic Array Sensors.
Wenfa Zhu
Xing-Jie Chen
Zai-Wei Li
Xiang-Zhen Meng
Guopeng Fan
Wei Shao
Hai-Yan Zhang
Published in:
Sensors (2019)
Keyphrases
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detection method
real time
preprocessing
cost function
experimental evaluation
pairwise
significant improvement
high accuracy
synthetic data
objective function
classification method
detection algorithm
computational cost
line detection
clustering method
input data
dynamic programming
feature selection