Research Article

Invariant Measures Based on the U-Correlation Integral: An Application to the Study of Human Voice

Figure 3

Invariant estimation box plot: (a) noise level, (b) correlation dimension, and (c) correlation entropy. Normal (N), pathological type (PT), pathological type (PT), pathological type (PT), and pathological type (PT) voices.
(a)
(b)
(c)