Pruning Growing Self-Organizing Map Network for Human Physical Activity Identification

Table 3

All the extracted features.

Data sources	Features	Total number
Uniaxial signal and synthetic acceleration signal	Mean, variance, root mean square, kurtosis, skewness, energy [10, 25, 50, 75, and 90] percentile	11  9
Between each synthetic acceleration signals and piezo signal	Correlation coefficient	2