Recent Advances in Morphological Cell Image Analysis

Table 2

Texture features.

Energy:	ASM=∑^𝑘𝑖=1(𝑔𝑖−𝑔)^−2𝑝(𝑔𝑖)
Uniformity:	𝑈=∑^𝑘𝑖=1𝑝^2(𝑔𝑖)
Entropy:	ENT=−∑^𝑘𝑖=1𝑝(𝑔𝑖)log2𝑝(𝑔𝑖)
Smoothness:	IDM=1−1/(1+𝑠^2), where 𝑠=∑^𝑘𝑖=1(𝑔𝑖−𝑔)^−2𝑝(𝑔𝑖)

Given that 𝑔_𝑖 is the gray value, k is the number of gray levels.