nlop.NoncartesianSense

bartorch.nlop.NoncartesianSense()

Non-Cartesian joint image and coil-sensitivity forward model.

NonlinearSense along a trajectory, the model nlinv inverts off the grid: the nonlinear counterpart of bartorch.linop.NoncartesianSense. The output is the gridded coil images; NonlinearSense.prepare() brings a measurement to that form.

Parameters:

• trajectory (torch.Tensor) – Trajectory (..., samples, 3) in grid units.

• image_shape (tuple of int) – Coil-image shape (coils, *spatial), C order.

• **kwargs – Keyword arguments of NonlinearSense.

Returns:

Inputs: image, coil coefficients. Output: gridded coil images.

Return type:

NonlinearSense