Struct ChiSepIlsqrParams

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pub struct ChiSepIlsqrParams {
    pub cf: f64,
    pub dr_pos: f64,
    pub dr_neg: f64,
    pub lambda1: f64,
    pub percentage: f64,
    pub r2p_min: f64,
    pub r2p_max: f64,
    pub max_iter: usize,
    pub tol: f64,
    pub cg_max_iter: usize,
    pub cg_tol: f64,
}

Expand description

Parameters for chi_sep_ilsqr.

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§cf: f64

Central frequency in Hz (e.g. 123.2e6 at 3T, 298.0e6 at 7T)

§dr_pos: f64

Paramagnetic relaxometric constant in Hz/ppm (Shin 2021: 137)

§dr_neg: f64

Diamagnetic relaxometric constant in Hz/ppm (Shin 2021: same as dr_pos)

§lambda1: f64

L1 edge-masked TV weight λ1 (the total-χ term carries 2λ1)

§percentage: f64

Edge-mask keep fraction for M_Mag / M_R2’ (MEDI convention, 0.9)

§r2p_min: f64

R2’ reliability window: Wr = Wf/10 outside [r2p_min, r2p_max] Hz

§r2p_max: f64

Upper bound of the reliable R2’ window in Hz

§max_iter: usize

Outer Gauss-Newton max iterations (paper: 30)

§tol: f64

Outer relative-change tolerance on χ_total (paper: 0.01)

§cg_max_iter: usize

Inner conjugate-gradient max iterations

§cg_tol: f64

Inner conjugate-gradient relative tolerance

Trait Implementations§

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impl Clone for ChiSepIlsqrParams

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fn clone(&self) -> ChiSepIlsqrParams

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for ChiSepIlsqrParams

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for ChiSepIlsqrParams

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl Serialize for ChiSepIlsqrParams

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

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impl UnwindSafe for ChiSepIlsqrParams

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impl<T> Any for T
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Gets the TypeId of self. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)

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