Abstract #4230

Two-step adaptive reconstruction of multichannel phase images

Peng Wu¹ and Hua Guo¹

¹Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China, People's Republic of

Adaptive reconstruction (AR) can be used to combine multichannel images without acquiring coil sensitivity information. It can improve the SNRs of combined magnitude and phase images. But the reconstructed phase images may suffer from open-ended fringe artifacts when coil-sensitivity maps vary a lot. We propose a two-step adaptive reconstruction method to combine multichannel images. This method is shown to be more robust than the traditional AR method and can still maintain the high SNR.

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