Research Article
CNN-LSTM-Based Late Sensor Fusion for Human Activity Recognition in Big Data Networks
Table 4
The weighted f1-score for RealDisp dataset using all five models.
| Activity label | Activities | CNN-EF | CNN-LF | LSTM-EF | CNN-LSTM-EF | CNN-LSTM-LF |
| 0 | Walking | 0.98 | 0.95 | 0.96 | 0.95 | 0.98 | 1 | Jogging | 0.82 | 0.84 | 0.79 | 0.79 | 0.87 | 2 | Running | 0.86 | 0.86 | 0.84 | 0.81 | 0.89 | 3 | Jump up | 0.72 | 0.75 | 0.74 | 0.73 | 0.76 | 4 | Jump front and back | 0.7 | 0.66 | 0.65 | 0.68 | 0.71 | 5 | Jump sideways | 0.8 | 0.78 | 0.76 | 0.82 | 0.86 | 6 | Jump leg/arms open/closed | 0.88 | 0.88 | 0.87 | 0.87 | 0.92 | 7 | Jump rope | 0.84 | 0.81 | 0.77 | 0.85 | 0.86 | 8 | Trunk twist (arms outstretched) | 0.96 | 1 | 0.99 | 0.98 | 1 | 9 | Trunk twist (elbows bent) | 0.97 | 0.99 | 0.99 | 0.96 | 1 | 10 | Waist bends forward | 0.85 | 0.85 | 0.88 | 0.86 | 0.87 | 11 | Waist rotation | 0.97 | 0.99 | 0.94 | 0.99 | 0.99 | 12 | Waist bends (reach foot with opposite hand) | 0.99 | 1 | 0.99 | 1 | 0.99 | 13 | Reach heels backward | 0.95 | 0.91 | 0.9 | 0.9 | 0.9 | 14 | Lateral bend | 0.99 | 1 | 0.97 | 1 | 0.99 | 15 | Lateral band with arm up | 0.98 | 1 | 0.97 | 0.99 | 1 | 16 | Repetitive forward stretching | 0.82 | 0.8 | 0.84 | 0.81 | 0.85 | 17 | Upper trunk and lower body opposite twist | 0.74 | 0.9 | 0.78 | 0.9 | 0.92 | 18 | Lateral elevation of arms | 0.96 | 0.95 | 0.96 | 0.97 | 0.97 | 19 | Frontal elevation of arms | 0.97 | 0.94 | 0.9 | 0.93 | 0.96 | 20 | Frontal handclaps | 0.98 | 0.98 | 0.86 | 0.98 | 0.99 | 21 | Frontal crossing of arms | 0.95 | 0.98 | 0.96 | 0.98 | 0.98 | 22 | Shoulders high-amplitude rotation | 0.96 | 0.96 | 0.85 | 0.97 | 0.97 | 23 | Shoulders low-amplitude rotation | 0.91 | 0.88 | 0.84 | 0.88 | 0.95 | 24 | Arms inner rotation | 0.97 | 0.98 | 0.96 | 0.98 | 0.98 | 25 | Knees (alternating) to the breast | 0.88 | 0.83 | 0.84 | 0.88 | 0.83 | 26 | Heels (alternating) to the backside | 0.87 | 0.87 | 0.85 | 0.85 | 0.82 | 27 | Knees bending (crouching) | 0.9 | 0.89 | 0.88 | 0.89 | 0.87 | 28 | Knees (alternating) bending forward | 0.73 | 0.73 | 0.65 | 0.85 | 0.79 | 29 | Rotation on the knees | 0.99 | 1 | 0.98 | 0.99 | 1 | 30 | Rowing | 1 | 1 | 1 | 1 | 1 | 31 | Elliptical bike | 0.91 | 0.98 | 0.94 | 0.99 | 0.98 | 32 | Cycling | 0.87 | 0.93 | 0.88 | 1 | 1 |
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