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 features | Calculation 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 |
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