//! Image preprocessing helpers used before restoration.
//!
//! Use [`normalize_range`] to map image values into a solver-friendly range,
//! [`edgetaper()`] to reduce boundary ringing, and [`estimate_nsr`] to estimate
//! a scalar noise-to-signal ratio.
pub use apodize;
pub use edgetaper;
pub use estimate_nsr;
pub use normalize_range;
pub use normalize_range_3d;