- { "alpha", required_argument, 0, 'a' },
- { "delta", required_argument, 0, 'd' },
- { "gamma", required_argument, 0, 'g' },
+ { "smoothness-relative-weight", required_argument, 0, 's' }, // alpha.
+ { "intensity-relative-weight", required_argument, 0, 'i' }, // delta.
+ { "gradient-relative-weight", required_argument, 0, 'g' }, // gamma.