MRIPynufft

Contents

MRIPynufft#

class mrinufft.operators.interfaces.pynufft_cpu.MRIPynufft(samples, shape, density=False, n_coils=1, n_batchs=1, smaps=None, osf=2, **kwargs)[source]#

Bases: FourierOperatorCPU

PyNUFFT implementation of MRI NUFFT transform.

Methods

__init__

adj_op

Non Cartesian MRI adjoint operator.

compute_density

Compute the density compensation weights and set it.

data_consistency

Compute the gradient data consistency.

get_lipschitz_cst

Return the Lipschitz constant of the operator.

op

Non Cartesian MRI forward operator.

with_off_resonnance_correction

Return a new operator with Off Resonnance Correction.

Attributes

available

backend

cpx_dtype

Return complex floating precision of the operator.

density

Density compensation of the operator.

dtype

Return floating precision of the operator.

interfaces

n_coils

Number of coils for the operator.

n_samples

Return the number of samples used by the operator.

ndim

Number of dimensions in image space of the operator.

norm_factor

Normalization factor of the operator.

samples

Return the samples used by the operator.

shape

Shape of the image space of the operator.

smaps

Sensitivity maps of the operator.

uses_density

Return True if the operator uses density compensation.

uses_sense

Return True if the operator uses sensitivity maps.