Research Article

Feature Selections Using Minimal Redundancy Maximal Relevance Algorithm for Human Activity Recognition in Smart Home Environments

Table 8

The recognition accuracy rates with each features subset of HMM under the D-R criterion.

Features subset
Activity12345678910111213

00.9000.9000.8000.8000.8330.8670.8330.8330.7000.7000.7330.6670.667
10.0000.0000.2920.2710.2500.2290.0830.5000.4580.7920.7500.7500.750
20.0000.0050.1840.2560.4830.6570.7680.8600.9080.9180.9280.9420.961
30.0000.8700.9350.9570.9780.9350.8910.8040.8260.7610.7610.7610.761
40.0000.0000.5240.5240.7140.9521.0000.9520.9291.0001.0000.9760.976
50.0000.0000.4000.7000.4000.7000.5000.5000.6000.4000.4000.4000.200
61.0000.9861.0001.0001.0000.9710.9710.9860.9860.9860.9860.9860.971
70.0000.0000.2970.7030.8920.9730.8920.9460.8380.9730.9190.9730.946
80.0900.1190.2390.3730.3880.7010.7010.7010.7010.7310.7760.8060.821
90.0000.2050.6140.7050.8860.7730.8860.9090.9550.9320.8640.8640.864
Total0.1700.2550.4470.5230.6380.7450.7700.8320.8370.8730.8720.8780.880