Skip to main content
. 2018 Dec 19;15(12):2907. doi: 10.3390/ijerph15122907

Table 6.

Extracted features of raw physiological signals described by Picard et al. [51].

Feature Label Description
f1 Windowed means of the raw signals.
f2 Standard deviations of the raw signals, based on windowed means.
f3 Windowed means of absolute values of the first forward differences of the raw signals.
f4 Windowed means of absolute values of the first forward differences of the normalized signals.
f5 Windowed means of absolute values of the second forward differences of the raw signals.
f6 Windowed means of absolute values of the second forward differences of the normalized signals.