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RSS FeedsSensors, Vol. 19, Pages 2814: A New Approach to Fall Detection Based on Improved Dual Parallel Channels Convolutional Neural Network (Sensors)

 
 

24 june 2019 15:00:41

 
Sensors, Vol. 19, Pages 2814: A New Approach to Fall Detection Based on Improved Dual Parallel Channels Convolutional Neural Network (Sensors)
 




Falls are the major cause of fatal and non-fatal injury among people aged more than 65 years. Due to the grave consequences of the occurrence of falls, it is necessary to conduct thorough research on falls. This paper presents a method for the study of fall detection using surface electromyography (sEMG) based on an improved dual parallel channels convolutional neural network (IDPC-CNN). The proposed IDPC-CNN model is designed to identify falls from daily activities using the spectral features of sEMG. Firstly, the classification accuracy of time domain features and spectrograms are compared using linear discriminant analysis (LDA), k-nearest neighbor (KNN) and support vector machine (SVM). Results show that spectrograms provide a richer way to extract pattern information and better classification performance. Therefore, the spectrogram features of sEMG are selected as the input of IDPC-CNN to distinguish between daily activities and falls. Finally, The IDPC-CNN is compared with SVM and three different structure CNNs under the same conditions. Experimental results show that the proposed IDPC-CNN achieves 92.55% accuracy, 95.71% sensitivity and 91.7% specificity. Overall, The IDPC-CNN is more effective than the comparison in accuracy, efficiency, training and generalization.


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23 viewsCategory: Chemistry, Physics
 
Sensors, Vol. 19, Pages 2815: Photoacoustic/Ultrasound/Optical Coherence Tomography Evaluation of Melanoma Lesion and Healthy Skin in a Swine Model (Sensors)
Sensors, Vol. 19, Pages 2813: Traffic Estimation for Large Urban Road Network with High Missing Data Ratio (Sensors)
 
 
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