Table 6 comparing the precision (coefficient of variation) between the three pose tracking algorithms for top and eye-level cameras and in the front and back view walks
Gait variable | AlphaPose | OpenPose | Detectron | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Front view walks | Back view walks | Front view walks | Back view walks | Front view walks | Back view walks | |||||||
Top camera | Eye-level camera | Top camera | Eye-level camera | Top camera | Eye-level camera | Top camera | Eye-level camera | Top camera | Eye-level camera | Top camera | Eye-level camera | |
Cadence | 0.09 (0.01) | 0.08 (0.009) | 0.09 (0.008) | 0.09 (0.007) | 0.08 (0.01) | 0.08 (0.009) | 0.09 (0.008) | 0.09 (0.007) | 0.09 (0.01) | 0.08 (0.009) | 0.09 (0.008) | 0.09 (0.007) |
Step time (s) | 0.13 (0.10) | 0.06 (0.02) | 0.16 (0.18) | 0.06 (0.03) | 0.13 (0.10) | 0.06 (0.02) | 0.16 (0.18) | 0.06 (0.03) | 0.13 (0.10) | 0.06 (0.02) | 0.16 (0.18) | 0.06 (0.03) |
Step width | 0.27 (0.08) | 0.30 (0.07) | 0.27 (0.08) | 0.28 (0.07) | 0.38 (0.21) | 0.38 (0.12) | 0.37 (0.10) | 0.39 (0.09) | 0.25 (0.07) | 0.28 (0.06) | 0.29 (0.12) | 0.27 (0.08) |
eMOS | 0.48 (0.15) | 0.43 (0.16) | 0.41 (0.13) | 0.38 (0.11) | 0.42 (0.08) | 0.46 (0.16) | 0.43 (0.06) | 0.44 (0.06) | 0.48 (0.14) | 0.39 (0.14) | 0.37 (0.09) | 0.43 (0.10) |