| MAXIMUM_GAIN | float | QC: The maximum gain | |
| MAXIMUM_GAIN_DIFFERENCE | float | QC: Maximum relative gain difference | |
| MAXIMUM_ITERATIONS | int | The maximum number of iterations | |
| MINIMUM_GAIN | float | QC: The minimum gain | |
| OVERSCAN_CORRECTION | int | Overscan correction method index | |
| REJECTION_THRESHOLD | float | The threshold rejecting outlying pixels | |
| SOURCE_CODE_VERSION | int | The version of the source code | |
