Anisotropic Field-of-View Support for Golden Angle Radial Imaging

Radial sampling techniques are often used in dynamic MRI because they are robust to flow and motion, support short echo times, and have a diffuse aliasing pattern. One drawback is that standard implementations do not support anisotropic field-of-view (FOV). Larson et al. has provided a simple and intuitive scheme for supporting anisotropic FOV in static radial imaging. In this work,We extend that approach and demonstrate a simple solution to enable 2D anisotropic FOV with GA radial imaging, which can significantly reduce imaging times in many scenarios (abdomen, spine, etc.) where the object dimensions are anisotropic, while still allowing arbitrary temporal window reconstruction.

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