mrpro.operators

Linear operators (such as FourierOp), functionals/loss functions, and qMRI signal models.

Classes

AveragingOp	Averaging operator.
B0InformedFourierOp	Abstract base class for B0-informed Fourier operators.
CartesianMaskingOp	Cartesian Masking Operator.
CartesianSamplingOp	Cartesian Sampling Operator.
ConjugateGradientOp	Solves a linear positive semidefinite system with the conjugate gradient method.
ConjugatePhaseFourierOp	Conjugate Phase (CP) B0-informed Fourier operator.
ConstraintsOp	Transformation to map real-valued tensors to certain ranges.
ConvAnalysisDictionaryOp	Convolutional Analysis Dictionary Operator.
ConvSynthesisDictionaryOp	Convolutional Synthesis Dictionary Operator.
DensityCompensationOp	Density Compensation Operator.
DictionaryMatchOp	Dictionary Matching Operator.
EinsumOp	A Linear Operator that implements sum products in Einstein notation.
ElementaryFunctional	Elementary functional base class.
ElementaryProximableFunctional	Elementary proximable functional base class.
FastFourierOp	Fast Fourier operator class.
FiniteDifferenceOp	Finite Difference Operator.
FourierOp	Fourier Operator class.
FunctionalType	alias of Operator
GridSamplingOp	Grid Sampling Operator.
IdentityOp	The Identity Operator.
Jacobian	Jacobian of an Operator.
LinearOperator	General Linear Operator.
LinearOperatorMatrix	Matrix of linear operators.
MagnitudeOp	Magnitude of input tensors.
MultiFrequencyFourierOp	Multi-Frequency Interpolation (MFI) B0-informed Fourier operator.
MultiIdentityOp	The Identity Operator.
NonUniformFastFourierOp	Non-Uniform Fast Fourier Operator class.
Operator	The general Operator class.
OptimizerOp	Differentiable Optimization Operator.
PCACompressionOp	PCA based compression operator.
PatchOp	Extract N-dimensional patches using a sliding window view.
PhaseOp	Phase of input tensors.
ProximableFunctional	ProximableFunctional Base Class.
ProximableFunctionalSeparableSum	Separable Sum of Proximable Functionals.
RearrangeOp	A Linear Operator that implements rearranging of axes.
ScaledProximableFunctional	Proximable Functional scaled by a scalar.
SensitivityOp	Sensitivity operator class.
SignalModel	Signal Model Operator.
SliceProjectionOp	Slice Projection Operator.
TimeSegmentedFourierOp	Time-Segmented Reconstruction (TSR) B0-informed Fourier operator.
WaveletOp	Wavelet operator class.
ZeroOp	A constant zero operator.
ZeroPadOp	Zero Pad operator class.

Modules

functionals
models	qMRI signal models.