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A Novel Convolutional Neural Network Based on Time-Frequency Spectrogram of Arc Sound and Its Application on GTAW Penetration Classification.
Wenjing Ren
Guangrui Wen
Bin Xu
Zhifen Zhang
Published in:
IEEE Trans. Ind. Informatics (2021)
Keyphrases
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pattern analysis
classification accuracy
automatic classification
image classification
decision trees
machine learning
neural network
signal analysis
classification method
pattern classification
support vector machine
feature vectors
feature space
feature extraction
classification scheme
pattern recognition
support vector
benchmark datasets
speech recognition
decision rules
classification algorithm
feature selection
machine learning methods
classification models
short time fourier transform
extracted features
deep learning
sparse coding
unsupervised learning
text classification
signal processing
feature set
supervised learning
wavelet transform
active learning