Accelerometry-Based Classification of Human Activities Using Markov Modeling

Table 2

Classification accuracy averaged over the twenty subjects available in the seven-activity dataset. Spurious data are not inserted. The values are reported as mean ± standard deviation.

Seven-activity dataset (in the absence of spurious data)
	M = 1	M = 2	M = 3	M = 4	M = 5
GMM	88.6 ± 13.7	88.1 ± 13.4	85.9 ± 13.6	82.5 ± 16.4	82.0 ± 16.6
cHMM (1st level)	90.2 ± 13.0	88.0 ± 12.9	85.6 ± 13.0	80.8 ± 17.1	79.3 ± 17.7
cHMM (1st + 2nd level)	90.2 ± 13.0	88.8 ± 13.4	85.2 ± 14.5	83.5 ± 16.3	82.8 ± 18.1