Table 2. The keywords for searching studies.
| ID | Keywords |
|---|---|
| K1 | ‘Vision based’ and ‘Real Time’ and ‘Hand Gesture Recognition’ and ‘Deep Learning’ |
| K2 | ‘Vision based’ and ‘Dynamic’ and ‘Hand Gesture Recognition’ and ‘Deep Learning’ |
| K3 | ‘Vision based’ and ‘Real Time’ and ‘Hand Gesture Recognition’ and ‘RNN’ |
| K4 | ‘Vision based’ and ‘Real Time’ and ‘Hand Gesture Recognition’ and ‘CNN’ |
| K5 | ‘Vision based’ and ‘Real Time’ and ‘Hand Gesture Recognition’ and ‘LSTM’ |
| K6 | ‘Vision based’ and ‘Real Time’ and ‘Hand Gesture Recognition’ and ‘Attention Mechanism’ |