Research Article
Human Activity Recognition in AAL Environments Using Random Projections
Table 6
The confusion matrix of within-subject activity classification using ReliefF.
| | Activity | WF | WL | WR | WU | WD | RF | JU | Si | St | Sl | EU | ED |
| | WF | 1.000 | 0.998 | 0.892 | 0.931 | 0.993 | 1.000 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | WL | 0.998 | 1.000 | 0.853 | 0.989 | 0.997 | 1.000 | 1.000 | 0.999 | 1.000 | 0.896 | 0.971 | 1.000 | | WR | 0.892 | 0.853 | 1.000 | 0.789 | 0.964 | 1.000 | 1.000 | 0.999 | 1.000 | 0.853 | 1.000 | 1.000 | | WU | 0.931 | 0.989 | 0.789 | 1.000 | 0.702 | 1.000 | 1.000 | 0.996 | 0.956 | 0.992 | 0.999 | 1.000 | | WD | 0.993 | 0.997 | 0.964 | 0.702 | 1.000 | 0.965 | 0.998 | 0.655 | 0.997 | 0.982 | 1.000 | 0.975 | | RF | 1.000 | 1.000 | 1.000 | 1.000 | 0.965 | 1.000 | 0.688 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | | JU | 0.999 | 1.000 | 1.000 | 1.000 | 0.998 | 0.688 | 1.000 | 1.000 | 1.000 | 0.993 | 1.000 | 1.000 | | Si | 1.000 | 0.999 | 0.999 | 0.996 | 0.655 | 0.999 | 1.000 | 1.000 | 0.491 | 0.967 | 0.328 | 0.313 | | St | 1.000 | 1.000 | 1.000 | 0.956 | 0.997 | 1.000 | 1.000 | 0.491 | 1.000 | 0.766 | 0.528 | 0.901 | | Sl | 1.000 | 0.896 | 0.853 | 0.992 | 0.982 | 1.000 | 0.993 | 0.967 | 0.766 | 1.000 | 1.000 | 1.000 | | EU | 1.000 | 0.971 | 1.000 | 0.999 | 1.000 | 1.000 | 1.000 | 0.328 | 0.528 | 1.000 | 1.000 | 0.765 | | ED | 1.000 | 1.000 | 1.000 | 1.000 | 0.975 | 1.000 | 1.000 | 0.313 | 0.901 | 1.000 | 0.765 | 1.000 | | Mean | 0.984 | 0.975 | 0.946 | 0.946 | 0.936 | 0.971 | 0.973 | 0.812 | 0.887 | 0.954 | 0.883 | 0.913 | | Baseline | 0.621 | 0.637 | 0.600 | 0.695 | 0.703 | 0.644 | 0.618 | 0.628 | 0.640 | 0.644 | 0.635 | 0.642 |
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WF: Walking Forward; WL: Walking Left; WR: Walking Right; WU: Walking Upstairs; WD: Walking Downstairs; RF: Running Forward; JU: Jumping Up; Si: Sitting; St: Standing; Sl: Sleeping; EU: Elevator Up; ED: Elevator Down.
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