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TgvInput

qsm_core::inversion::tgv

Enum TgvInput 

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pub enum TgvInput<'a> {
    FieldPpm {
        field: &'a [f64],
        echo_times: &'a [f64],
        b0_t: f64,
    },
    WrappedPhase {
        phase: &'a [f64],
        te_s: f64,
        b0_t: f64,
    },
}
Expand description

What TGV-QSM reconstructs from. Both carry the echo time and field strength that turn the input into phase in rad, the units the reference (and α) work in.

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FieldPpm

Unwrapped total (or local) field in ppm, e.g. a multi-echo field map. It is scaled to phase at the echo time TgvParams::te picks from echo_times, and its Laplacian is the ordinary discrete Laplacian.

Fields

§field: &'a [f64]

Field in ppm.

§echo_times: &'a [f64]

The scan’s echo times in seconds, in acquisition order.

§b0_t: f64

Field strength in Tesla.

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WrappedPhase

One wrapped echo in rad (the original single-step TGV-QSM). Its Laplacian is the sin/cos (DEL) identity.

Fields

§phase: &'a [f64]

Wrapped phase in rad.

§te_s: f64

Echo time of phase in seconds.

§b0_t: f64

Field strength in Tesla.

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impl TgvInput<'_>

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fn data(&self) -> &[f64]

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fn te_b0(&self, te: EchoTime) -> Result<(f64, f64), String>

The echo time the input is phase at (for a field, the one te picks) and B0.

Trait Implementations§

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impl<'a> Clone for TgvInput<'a>

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fn clone(&self) -> TgvInput<'a>

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<'a> Copy for TgvInput<'a>

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impl<'a> Debug for TgvInput<'a>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a> Freeze for TgvInput<'a>

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impl<'a> RefUnwindSafe for TgvInput<'a>

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impl<'a> Send for TgvInput<'a>

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impl<'a> Sync for TgvInput<'a>

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impl<'a> Unpin for TgvInput<'a>

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impl<'a> UnsafeUnpin for TgvInput<'a>

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impl<'a> UnwindSafe for TgvInput<'a>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneAny for T
where T: Any + Clone,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Downcast for T
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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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Calls U::from(self).

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