A Novel Convolutional Neural Network Based on Time-Frequency Spectrogram of Arc Sound and Its Application on GTAW Penetration Classification.
Wenjing RenGuangrui WenBin XuZhifen ZhangPublished in: IEEE Trans. Ind. Informatics (2021)
Keyphrases
- 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