pub fn iqsm_multi_echo(
phases: &[&[f64]],
magnitudes: &[&[f64]],
mask: &[u8],
grid: &Grid,
tes: &[f64],
b0: f64,
phase_sign: f64,
eroded_rad: i32,
model_onnx: &[u8],
) -> Result<Vec<f64>, OnnxError>Expand description
Multi-echo iQSM: reconstruct each echo and combine with magnitude·TE² weights
(the authors’ --echo_4d path). phases/magnitudes are per-echo volumes;
tes the echo times (s). Falls back to uniform weights if magnitudes is empty.