Improved Permutation Entropy for Measuring Complexity of Time Series under Noisy Condition

Figure 7

Entropy analysis of AR time series. (a) Result of IPE. (b) Result of PE. (c) Result of WPE. (d) Result of AAPE. (e) Result of mPE. (f) Result of IAUQ.

(a)

(b)

(c)

(d)

(e)

(f)