Table 2.
Results of Case 1 and Case 2, which are both wearable types. Case 1 is a 3-sensor selection for 5 recognized activities. Case 2 is a 2-sensor selection from a virtual wearable distance sensor.
| Case | Recognized Activity | Method | Position | Computation Cost | Result |
|---|---|---|---|---|---|
| Case 1 | Standing/ Walking/ Running/ Upstairs/ Downstairs |
ID-CS |
Chest, Right shoulder, Head |
175 | 97.38% |
|
Dynamic
programming |
Chest, Right lower leg, Left lower leg |
455 | 97.62% | ||
| Random selection |
Left shoulder, Right upper arm, Right lower leg |
175 | 96.09% | ||
| Empirical | Waist, Right upper leg, Head |
1 | 95.12% | ||
| Case 2 | Heel up and down/ Squat/ Hip stretch |
ID-CS |
Left lower leg-left and
Left upper leg-back |
40 | 100% |
|
Dynamic
programming |
Left lower leg-left and
Left upper leg-back |
60 | 100% | ||
| Random selection |
Right upper leg-back and Right upper leg-front |
40 | 100% | ||
| Empirical | Left lower leg-left and Left upper leg-right |
1 | 98.39% |