Speaker Identification Method based on Convolutional Neural Network with STFT Sound-Map

2018 ◽  
Vol 24 (6) ◽  
pp. 289-294
Author(s):  
Seok-Jun Bu ◽  
Sung-Bae Cho
Author(s):  
Na Lyu ◽  
Jiaxin Zhou ◽  
Zhuo Chen ◽  
Wu Chen

Due to the high cost and difficulty of traffic data set acquisition and the high time sensitivity of traffic distribution, the machine learning-based traffic identification method is difficult to be applied in airborne network environment. Aiming at this problem, a method for airborne network traffic identification based on the convolutional neural network under small traffic samples is proposed. Firstly, the pre-training of the initial model for the convolutional neural network is implemented based on the complete data set in source domain, and then the retraining of the convolutional neural network is realized through the layer frozen based fine-tuning learning algorithm of convolutional neural network on the incomplete dataset in target domain, and the convolutional neural network model based feature representing transferring(FRT-CNN) is constructed to realize online traffic identification. The experiment results on the actual airborne network traffic dataset show that the proposed method can guarantee the accuracy of traffic identification under limited traffic samples, and the classification performance is significantly improved comparing with the existing small-sample learning methods.


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