Multiband Imaging Method for Metal Artifact Correction with 3D Multi-Spectral Imaging

In conventional MRI, metallic implants generate severe geometric artifacts so that images cannot be used in diagnosis. In recent years, 3D-MSI methods such as SEMAC and MAVRIC have significantly improved image quality near metallic implants. However, 3D-MSI needs very long imaging time to acquire several spectral bins for covering whole distorted magnetic field. Multiband imaging technique could be one of the solutions for shortening the imaging time of 3D-MSI. Multiband imaging acquires the signal of multiple spectral bins simultaneously so that the number of excitations decreases. In this paper, multiband 3D-MSI method will be proposed for accelerating the imaging speed.

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