Research Article
Human Activity Recognition in AAL Environments Using Random Projections
Table 5
The confusion matrix of within-subject activity classification using Rankfeatures.
| Activity | WF | WL | WR | WU | WD | RF | JU | Si | St | Sl | EU | ED |
| WF | 1 | 0.774 | 0.980 | 0.874 | 0.985 | 0.996 | 0.980 | 0.997 | 0.999 | 1 | 0.999 | 1 | WL | 0.774 | 1 | 0.989 | 0.968 | 0.958 | 0.998 | 0.996 | 0.951 | 0.999 | 1 | 0.999 | 1 | WR | 0.980 | 0.989 | 1 | 0.798 | 0.998 | 0.997 | 0.988 | 0.988 | 0.971 | 1 | 0.981 | 1 | WU | 0.874 | 0.968 | 0.798 | 1 | 0.708 | 0.985 | 0.979 | 0.962 | 0.998 | 1 | 0.971 | 1 | WD | 0.985 | 0.958 | 0.998 | 0.708 | 1 | 0.992 | 0.878 | 0.967 | 0.850 | 1 | 0.986 | 1 | RF | 0.996 | 0.998 | 0.997 | 0.985 | 0.992 | 1 | 0.978 | 0.991 | 0.996 | 0.957 | 0.994 | 1 | JU | 0.980 | 0.996 | 0.988 | 0.979 | 0.878 | 0.978 | 1 | 0.973 | 1 | 0.929 | 1 | 1 | Si | 0.997 | 0.951 | 0.988 | 0.962 | 0.967 | 0.991 | 0.973 | 1 | 0.987 | 1 | 0.126 | 0.992 | St | 0.999 | 0.999 | 0.971 | 0.999 | 0.850 | 0.995 | 1 | 0.987 | 1 | 1 | 0.326 | 0.887 | Sl | 1 | 1 | 1 | 1 | 1 | 0.957 | 0.930 | 1 | 1 | 1 | 1 | 0.992 | EU | 0.999 | 0.999 | 0.981 | 0.971 | 0.986 | 0.994 | 1 | 0.126 | 0.326 | 1 | 1 | 0.697 | ED | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0.992 | 0.887 | 0.992 | 0.697 | 1 | Mean | 0.965 | 0.969 | 0.974 | 0.937 | 0.944 | 0.990 | 0.975 | 0.911 | 0.918 | 0.989 | 0.840 | 0.964 | Baseline | 0.650 | 0.616 | 0.616 | 0.712 | 0.713 | 0.621 | 0.641 | 0.627 | 0.642 | 0.651 | 0.640 | 0.628 |
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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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