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
Activity12345678910111213

00.9000.9000.9000.7000.7000.7670.7670.7670.7670.7000.7330.6670.667
10.0000.0000.1040.5210.8960.9380.8960.8330.7710.7920.7500.7500.750
20.0000.0050.3910.6670.7970.8600.8700.8840.9130.9180.9280.9420.961
30.0000.1740.7390.8040.8040.7830.7830.8040.7610.7610.7610.7610.761
40.0000.0000.0000.5240.9290.9760.9760.9760.9761.0001.0000.9760.976
50.0000.0000.0000.2000.3000.3000.3000.3000.2000.4000.4000.4000.200
61.0000.9280.9420.9860.9860.9861.0000.9860.9860.9860.9860.9860.971
70.0000.0000.0000.5140.9730.9730.9730.9460.9460.9730.9190.9730.946
80.0900.1490.1790.3130.3130.7010.7010.7010.7310.7310.7760.8060.821
90.0000.3860.4320.7500.9320.5680.5680.6590.9090.9320.8640.8640.864
Total0.1700.2120.4050.6430.7900.8370.8380.8430.8650.8730.8720.8780.880