Research Article

Improved GSO Optimized ESN Soft-Sensor Model of Flotation Process Based on Multisource Heterogeneous Information Fusion

Table 1

Grey-level co-occurrence matrix.

Texture featuresCalculation equations

ASM: angular second moment
Contrast
Correlation
SS: sum of squares
IDM: inverse difference moment
SA: sum average
SV: sum variance
SE: sum entropy
Entropy
DV: difference variance
DE: difference entropy
IOC: information measures of correlation
Where and are the entropy of and .
MCC: Maximal Correlation Coefficient