Action recognition 3 Classification (of information) 3 Data augmentation 3 Datapoints 3 Dynamic time warping 3 Human actions 3 Human-action recognition 3 Representative data samples 3 Skeletal data 3 Time series 3 Time series classifications 3 Times series 3 Warpings 3 data augmentation 3 dynamic time warping 3 human action recognition 3 skeletal data 3 time series classification 3 time warping 3 Article 2 Ca 2+ 2 Calcium 2 Calcium estimation 2 Complex morphology 2 Correlation methods 2 Dialysis 2 Diseases 2 Electrocardiography 2 Electrolytes 2 Haemodialysis 2