A pipeline anomaly classification method based on middle-level features
A classification method and pipeline technology, applied in instruments, character and pattern recognition, computer parts, etc., can solve the problems of unsatisfactory detection effect, low accuracy and low accuracy of pipeline anomaly classification
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[0047] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0048] The object of the present invention is to provide a pipeline abnormality classification method based on middle-level features, realize feature extraction of pipeline abnormalities and improve classification accuracy, enhance recognition ability, and save manpower and material resources.
[0049] The invention first preprocesses the pipeline magnetic flux leakage signal, then obtains the magnetic flux leakage data sample set, then generates the dominant features of the magnetic flux leakage data samples, generates the middle-level features of the magnetic flux leakage data samples based on the BOW model, and performs feature fusion based on the joint sparse representation , and finally use the classification discriminant function to classify the samples.
[0050] The pipeline anomaly classification method based on middle-level features of...
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