sigpy.linop.Downsample

class sigpy.linop.Downsample(ishape, factors, shift=None)

Downsampling linear operator.

Parameters:

• ishape (tuple of ints) – Input shape.
• factor (tuple of ints) – Downsampling factor.
• shift (None of tuple of ints) – Shifts before down-sampling.

__init__(ishape, factors, shift=None)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(ishape, factors[, shift])	Initialize self.
apply(input)	Apply linear operation on input.

Attributes

H	Return adjoint linear operator.
N	Return normal linear operator.