mrpro.algorithms.csm.inati

mrpro.algorithms.csm.inati(coil_images: Tensor, smoothing_width: SpatialDimension[int] | int) → Tensor[source]

Calculate a coil sensitivity map (csm) using the Inati method [INA2013] [INA2014].

This is for a single set of coil images. The input should be a tensor with dimensions (coils, z, y, x). The output will have the same dimensions. Either apply this function individually to each set of coil images, or see from_idata_inati which performs this operation on a whole dataset.

[INA2013]

Inati S, Hansen M, Kellman P (2013) A solution to the phase problem in adaptvie coil combination. in Proceedings of the 21st Annual Meeting of ISMRM, Salt Lake City, USA, 2672.

[INA2014]

Inati S, Hansen M (2014) A Fast Optimal Method for Coil Sensitivity Estimation and Adaptive Coil Combination for Complex Images. in Proceedings of Joint Annual Meeting ISMRM-ESMRMB, Milan, Italy, 7115.

Parameters:

• coil_images (Tensor) – Images for each coil element

• smoothing_width (Union[SpatialDimension[int], int]) – Size of the smoothing kernel