Table 1 Initial and final features for each feature set after feature selection
Initial standard features | Final standard features |
|---|---|
Standard set | |
 Step time |  |
 Step velocity | Step velocity |
 Single support time | Simple support time |
 Double support time | Double support time |
 Stance time | Stance time |
 Toe angle (signed) |  Toe angle (signed) |
  Step length | Step length |
  Step width | Step width |
  Stride length | Stride length |
  Stride width | Stride width |
  Foot type | Foot type |
Augmented set | |
 Step time |  |
  Step velocity | Step velocity |
  Single support time | Single support time |
  Double support time | Double support time |
 Stance time |  |
  Toe angle (unsigned) | Toe angle (unsigned) |
  Step length | Step length |
  Step width | Step width |
  Stride length | Stride length |
  Stride width | Stride width |
  Foot type | Foot type |
  Toe direction (in/out) | Toe direction (in/out) |
  Hull area | Hull area |
  Base of support area (BOS Area) | Base of support area (BOS area) |
 Line of progression deviation angle (LOP deviation angle) |  |
  Foot length | Foot length |
  Foot width | Foot width |
  Foot area | Foot area |