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Conference Paper: Motion correction for variable density spiral MRI using sampling overlap as inherent navigators
| Title | Motion correction for variable density spiral MRI using sampling overlap as inherent navigators |
|---|---|
| Authors | |
| Issue Date | 2015 |
| Citation | The 23rd Annual Meeting & Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM) and SMRT 24th Annual Meeting, Toronto, ON., Canada, 30 May-5 June 2015, poster no. 2564 How to Cite? |
| Abstract | Variable density spiral (VDS) sampling is advantageous for fast imaging, it also has potential in motion correction due to repeated sampling of each interleaf around the k-space center. However, for VDS, the full sampling area of each interleaf may be too small for accurate motion estimation. In this work, the navigation region is defined to cover more than the full sampling area, and we use SPIRiT to further improve navigation region. Results show that our proposed method can significantly remove the artifacts in both simulation and in vivo studies. |
| Description | Traditional Poster Session: Pulse Sequences & Reconstruction - Motion Correction Head: no. 2564 |
| Persistent Identifier | http://hdl.handle.net/10722/220309 |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Liu, YL | - |
| dc.contributor.author | Ma, XD | - |
| dc.contributor.author | Guo, H | - |
| dc.contributor.author | Wu, EX | - |
| dc.date.accessioned | 2015-10-16T06:37:11Z | - |
| dc.date.available | 2015-10-16T06:37:11Z | - |
| dc.date.issued | 2015 | - |
| dc.identifier.citation | The 23rd Annual Meeting & Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM) and SMRT 24th Annual Meeting, Toronto, ON., Canada, 30 May-5 June 2015, poster no. 2564 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/220309 | - |
| dc.description | Traditional Poster Session: Pulse Sequences & Reconstruction - Motion Correction Head: no. 2564 | - |
| dc.description.abstract | Variable density spiral (VDS) sampling is advantageous for fast imaging, it also has potential in motion correction due to repeated sampling of each interleaf around the k-space center. However, for VDS, the full sampling area of each interleaf may be too small for accurate motion estimation. In this work, the navigation region is defined to cover more than the full sampling area, and we use SPIRiT to further improve navigation region. Results show that our proposed method can significantly remove the artifacts in both simulation and in vivo studies. | - |
| dc.language | eng | - |
| dc.relation.ispartof | ISMRM 23rd Annual Meeting & Exhibition cum SMRT 24th Annual Meeting Proceedings | - |
| dc.title | Motion correction for variable density spiral MRI using sampling overlap as inherent navigators | - |
| dc.type | Conference_Paper | - |
| dc.identifier.email | Wu, EX: ewu@eee.hku.hk | - |
| dc.identifier.authority | Wu, EX=rp00193 | - |
| dc.identifier.hkuros | 255289 | - |