Functionals applied to LLD / Δ LLD |
Quartiles 1–3, three inter-quartile ranges |
One percentile (≈min), 99th percentile (≈max) |
Percentile range 1–99 |
Position of min / max, range (max–min) |
Arithmetic mean^{a}, root quadratic mean |
Contour centroid, flatness |
Standard deviation, skewness, kurtosis |
Rel. duration LLD is above 25 / 50 / 75 / 90% range |
Rel. duration LLD is above 25 / 50 / 75 / 90 % range |
Rel. duration LLD is rising |
Rel. duration LLD has positive curvature |
Gain of linear prediction (LP), LP coefficients 1–5 |
Mean, max, min, std. dev. of segment length^{b} |
Functionals applied to LLD only |
Mean value of peaks |
Mean value of peaks—arithmetic mean |
Mean / std.dev. of inter peak distances |
Amplitude mean of peaks, of minima |
Amplitude range of peaks |
Mean / std.dev. of rising / falling slopes |
Linear regression slope, offset, quadratic error |
Quadratic regression a, b, offset, quadratic error |
Percentage of non-zero frames^{c} |