time series classification Time series classifications 5 Action recognition 3 Classification (of information) 3 Data augmentation 3 Datapoints 3 Human actions 3 Human-action recognition 3 Representative data samples 3 Skeletal data 3 Time series 3 Times series 3 Warpings 3 data augmentation 3 human action recognition 3 machine learning 3 skeletal data 3 1D convolutional neural networks 1 Article 1 Behavioral research 1 Clinical investigation 1 Convolutional neural networks 1 Deep neural networks 1 Degree of accuracy 1 E-learning 1 Electric industry 1 Electric power transmission networks 1 Electric substations 1 Electricity demands 1 Energy 1