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Table 2 Properties of TE change with q

From: Pathological brain detection in MRI scanning by wavelet packet Tsallis entropy and fuzzy support vector machine

Range of q

Type

Property

<1

Subextensive entropy

E q (A + B) < E q (A) + E q (B)

=1

Standard extensive entropy (Shannon entropy)

E q (A + B) = E q (A) + E q (B)

>1

Superextensive entropy

E q (A + B) > E q (A) + S q (B)