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Package-specific default GLCM parameters. Pyradiomics designates 25 pixels for each bin of the GLCM, whereas A1 and IBEX designate the number of bins that compose the GLCM and the pixels are distributed evenly among the bins.
| GLCM parameter | A1 | IBEX | Pyradiomics |
|---|---|---|---|
| Gray-level limits | (−1500, 1500) | (Min, max) | (Min, max) |
| Number of gray levels | 3001 | (Max − min + 1) | Variable |
| Gray levels per bin | Variable | Variable | 25 |
| Number of directions | 4 | 8 | 4 |
