fn extract_surface_voxels(
mask: &[u8],
nx: usize,
ny: usize,
nz: usize,
) -> Vec<usize>Expand description
Extract surface voxels from a binary mask
Matches MATLAB’s approach: curvMask = mask - imerode(mask, strel(‘sphere’,1)) Surface voxels are those in the mask but not in the eroded mask.