image_as_cpx

mrinufft.operators.image_as_cpx(x)

View real channel-packed image tensor as complex.

Converts a real-valued tensor of shape (B, 2C, *XYZ) back to a complex tensor of shape (B, C, *XYZ).

Parameters:

x (torch.Tensor) – Real-valued channel-packed tensor of shape (B, 2C, *XYZ).

Returns:

Complex tensor of shape (B, C, *XYZ).

Return type:

torch.Tensor