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Notation used in the equations for computing texture features using gray level co-occurrence matrix
| Gnorm | Normalized gray level co-occurrence matrix |
| Gx | Marginal probability matrix obtained by summing the rows of Gnorm |
| Gy | Marginal probability matrix obtained by summing the columns of Gnorm |
| μx | Mean of Gx |
| μy | Mean of Gy |
| σx | Standard deviation of Gx |
| σy | Standard deviation of Gy |
