A Method for Reducing the Convolution Kernel Size Used in k-Space Channel Combination for Non-Cartesian Acquisitions
Philip J Beatty 1,2
Physical Sciences, Sunnybrook Research
Institute, Toronto, Ontario, Canada,
Biophysics, University of Toronto, Toronto, Ontario,
An improved method of k-space channel combination for
non-Cartesian acquisitions is described. With the
proposed method, it is possible to simultaneously grid
and perform channel combination in k-space using small
width (4x4) convolution kernels for 2D non-Cartesian
imaging. Enabling good image quality with small
convolution kernels could lead to very fast
non-Cartesian multi-channel image reconstruction.
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