//! Image segmentation models.
//!
//! Provides:
//! - **`sam`**: a compact, faithful CPU reference of the *Segment Anything
//! Model* (Kirillov et al. 2023) — ViT image encoder, a point/box/mask prompt
//! encoder with random-Fourier positional embeddings, and a two-way
//! transformer mask decoder predicting masks plus IoU quality scores.
pub use ;