Research Article
Feature Selections Using Minimal Redundancy Maximal Relevance Algorithm for Human Activity Recognition in Smart Home Environments
Table 3
The recognition accuracy rates with all features subsets of HMM based on maximum relevance selection.
| Features subset | Activity | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 0 | 0.900 | 0.900 | 0.900 | 0.700 | 0.700 | 0.767 | 0.767 | 0.767 | 0.767 | 0.700 | 0.733 | 0.667 | 0.667 | 1 | 0.000 | 0.000 | 0.104 | 0.521 | 0.896 | 0.938 | 0.896 | 0.833 | 0.771 | 0.792 | 0.750 | 0.750 | 0.750 | 2 | 0.000 | 0.005 | 0.391 | 0.667 | 0.797 | 0.860 | 0.870 | 0.884 | 0.913 | 0.918 | 0.928 | 0.942 | 0.961 | 3 | 0.000 | 0.174 | 0.739 | 0.804 | 0.804 | 0.783 | 0.783 | 0.804 | 0.761 | 0.761 | 0.761 | 0.761 | 0.761 | 4 | 0.000 | 0.000 | 0.000 | 0.524 | 0.929 | 0.976 | 0.976 | 0.976 | 0.976 | 1.000 | 1.000 | 0.976 | 0.976 | 5 | 0.000 | 0.000 | 0.000 | 0.200 | 0.300 | 0.300 | 0.300 | 0.300 | 0.200 | 0.400 | 0.400 | 0.400 | 0.200 | 6 | 1.000 | 0.928 | 0.942 | 0.986 | 0.986 | 0.986 | 1.000 | 0.986 | 0.986 | 0.986 | 0.986 | 0.986 | 0.971 | 7 | 0.000 | 0.000 | 0.000 | 0.514 | 0.973 | 0.973 | 0.973 | 0.946 | 0.946 | 0.973 | 0.919 | 0.973 | 0.946 | 8 | 0.090 | 0.149 | 0.179 | 0.313 | 0.313 | 0.701 | 0.701 | 0.701 | 0.731 | 0.731 | 0.776 | 0.806 | 0.821 | 9 | 0.000 | 0.386 | 0.432 | 0.750 | 0.932 | 0.568 | 0.568 | 0.659 | 0.909 | 0.932 | 0.864 | 0.864 | 0.864 | Total | 0.170 | 0.212 | 0.405 | 0.643 | 0.790 | 0.837 | 0.838 | 0.843 | 0.865 | 0.873 | 0.872 | 0.878 | 0.880 |
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