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Conference Paper: EPI Nyquist Ghost Correction By Iteratively Enforcing Structural Low Rankness
| Title | EPI Nyquist Ghost Correction By Iteratively Enforcing Structural Low Rankness |
|---|---|
| Authors | |
| Issue Date | 6-Jun-2023 |
| Abstract | This study presents a Nyquist ghost correction method by iteratively enforcing low rankness of the block-wise Hankel matrix and updating the 1D linear model for phase correction. The proposed method was evaluated with multi-shot EPI data at both ultra-high field (7T) and low field (0.3T). Compared with existing SVD-based method, the proposed method requires much fewer iterations to achieve similar performance, provides a computationally efficient and robust solution to EPI Nyquist ghost correction. |
| Persistent Identifier | http://hdl.handle.net/10722/337784 |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Liu, Y | - |
| dc.contributor.author | Lyu, M | - |
| dc.contributor.author | Zhao, Y | - |
| dc.contributor.author | Xiao, L | - |
| dc.contributor.author | Wu, EX | - |
| dc.date.accessioned | 2024-03-11T10:23:52Z | - |
| dc.date.available | 2024-03-11T10:23:52Z | - |
| dc.date.issued | 2023-06-06 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/337784 | - |
| dc.description.abstract | <p>This study presents a Nyquist ghost correction method by iteratively enforcing low rankness of the block-wise Hankel matrix and updating the 1D linear model for phase correction. The proposed method was evaluated with multi-shot EPI data at both ultra-high field (7T) and low field (0.3T). Compared with existing SVD-based method, the proposed method requires much fewer iterations to achieve similar performance, provides a computationally efficient and robust solution to EPI Nyquist ghost correction.<br></p> | - |
| dc.language | eng | - |
| dc.relation.ispartof | 2023 ISMRM & ISMRT Annual Meeting & Exhibition (03/06/2023-08/06/2023, Toronto) | - |
| dc.title | EPI Nyquist Ghost Correction By Iteratively Enforcing Structural Low Rankness | - |
| dc.type | Conference_Paper | - |