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apply_ht_h

qsm_core::bgremove::resharp

Function apply_ht_h 

Source 
fn apply_ht_h(
    dker: &[f64],
    mask: &[f64],
    x: &[f64],
    nx: usize,
    ny: usize,
    nz: usize,
) -> Vec<f64>
Expand description

Apply H’H to a vector: ifft(DKER * fft(M * ifft(DKER * fft(x))))

H(x) = M * ifft(DKER * fft(x)) H’(y) = ifft(DKER * fft(M * y))