Table 3 Accuracy comparison between the result obtained in [26] and our study
Data set | Types of sensors | Number of sensor units | Classifier | Number of features | Best accuracy (%) |
|---|---|---|---|---|---|
A | Accelerometer, gyroscope, magnetometer | 5 | SVM | 6 | 77.66 |
B | Accelerometer | 4 | SVM | 3 | 86.92 |
C | Accelerometer, gyroscope | 1 | SVM | 3 | 66.69 |
D | Accelerometer, gyroscope | 1 | SVM | 3 | 50.62 |
E | Accelerometer | 1 | SVM | 9 | 55.19 |
Our data set (pocket) | Accelerometer | 1 | 1D-CNN-LSTM | 4 | 71.46 |
Our data set (backpack) | Accelerometer | 1 | 1D-CNN-LSTM | 4 | 73.65 |
Our data set (hand) | Accelerometer | 1 | 1D-CNN-LSTM | 4 | 70.10 |