Function resharp 

pub fn resharp(
    field: &[f64],
    mask: &[u8],
    grid: &Grid,
    params: &ResharpParams,
    progress: impl FnMut(usize, usize),
) -> (Vec<f64>, Vec<u8>)

RESHARP background field removal

Arguments

• field - Unwrapped total field (nx * ny * nz)
• mask - Binary mask (nx * ny * nz), 1 = inside ROI
• grid - Volume dimensions and voxel sizes
• params - RESHARP algorithm parameters
• progress - Progress callback (current_iteration, max_iterations)

Returns

(local_field, eroded_mask)