Automatic Coil Selection for Streaking Artifact Reduction in Radial MRI

Yiqun Xue¹, Jiangsheng Yu¹, Hyun Seon Kang¹, Sarah Englander¹, Mark A. Rosen¹, Hee Kwon Song¹

In radial MRI, streaking artifacts arising from regions of bright signal intensity can contaminate an entire image. The situation is exacerbated in large FOV imaging using coil arrays where the high sensitivities of local coils can detect signal from peripheral regions of the FOV in which gradient field distortions often cause signal intensities to become highly concentrated. In this abstract, we describe an algorithm which can automatically identify those coils whose images contain streaking artifacts and by excluding these coils, we demonstrate marked improvements in image quality.