Research Article

Computer Aided Diagnosis System for Detection of Cancer Cells on Cytological Pleural Effusion Images

Table 4

List of GLCM features and their associated equations.

FeaturesEquations

Autocorrelation

Contrast

Correlation I

Correlation II

Cluster Prominence

Cluster Shade

Dissimilarity

Energy

Entropy

Homogeneity I

Homogeneity II

Maximum Probability

Sum of square

Sum average

Sum energy

Sum variance

Difference variance

Difference entropy

Information measure of correlation I

Information measure of correlation II

Inverse Difference Normalized

Inverse difference moment normalized

is the entry of the cooccurrence probability matrix, and represents the number of gray levels used, while and are the mean and standard deviation of the .