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)