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- Publisher Website: 10.1016/j.mri.2024.110243
- Scopus: eid_2-s2.0-85206439151
- PMID: 39369913
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Article: Self-navigated subspace reconstruction for real-time MR imaging of the vocal tract
Title | Self-navigated subspace reconstruction for real-time MR imaging of the vocal tract |
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Authors | |
Keywords | Real-time MRI Self-navigation Speech imaging Subspace reconstruction |
Issue Date | 1-Jan-2025 |
Publisher | Elsevier |
Citation | Magnetic Resonance Imaging, 2025, v. 115 How to Cite? |
Abstract | Purpose: Real-time MRI offers a continuous and dynamic view of the object being imaged. Researchers have applied real-time MRI to speech production, which allows for the visualization of the vocal tract during speech. Methods: This study proposed applying self-navigated subspace reconstruction for real-time vocal tract imaging. We performed experiments on a clinical 3 T MRI using standard RF coils and rapid acquisition. Additionally, 1000 frames were compressed during reconstruction to a few principal components, and iterative low-rank approximation was performed on compressed k-space, in conjunction with the orthogonal basis estimation for the subspace. Results: The simulation study involving a 32-time acceleration showed that the proposed method produced a reasonably small root mean square error (RMSE) of 0.159, compared to 0.278 for sliding window reconstruction, 0.2527 for SToRM and 0.294 for low-rank reconstruction. The study also presented in vivo images of a typical sagittal image with a temporal resolution of 7 ms/frame or 21 ms/frame for the three-slice scan. Conclusion: Our study presented a subspace reconstruction technique that does not require a navigator echo, which can be used for real-time MRI, particularly in speech imaging applications. |
Persistent Identifier | http://hdl.handle.net/10722/353562 |
ISSN | 2023 Impact Factor: 2.1 2023 SCImago Journal Rankings: 0.647 |
DC Field | Value | Language |
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dc.contributor.author | Cao, Peng | - |
dc.contributor.author | Jiang, Wenting | - |
dc.contributor.author | Chen, Changhe | - |
dc.contributor.author | Wang, Yiang | - |
dc.contributor.author | Havenhill, Jonathan | - |
dc.date.accessioned | 2025-01-21T00:35:42Z | - |
dc.date.available | 2025-01-21T00:35:42Z | - |
dc.date.issued | 2025-01-01 | - |
dc.identifier.citation | Magnetic Resonance Imaging, 2025, v. 115 | - |
dc.identifier.issn | 0730-725X | - |
dc.identifier.uri | http://hdl.handle.net/10722/353562 | - |
dc.description.abstract | <p>Purpose: Real-time MRI offers a continuous and dynamic view of the object being imaged. Researchers have applied real-time MRI to speech production, which allows for the visualization of the vocal tract during speech. Methods: This study proposed applying self-navigated subspace reconstruction for real-time vocal tract imaging. We performed experiments on a clinical 3 T MRI using standard RF coils and rapid acquisition. Additionally, 1000 frames were compressed during reconstruction to a few principal components, and iterative low-rank approximation was performed on compressed k-space, in conjunction with the orthogonal basis estimation for the subspace. Results: The simulation study involving a 32-time acceleration showed that the proposed method produced a reasonably small root mean square error (RMSE) of 0.159, compared to 0.278 for sliding window reconstruction, 0.2527 for SToRM and 0.294 for low-rank reconstruction. The study also presented in vivo images of a typical sagittal image with a temporal resolution of 7 ms/frame or 21 ms/frame for the three-slice scan. Conclusion: Our study presented a subspace reconstruction technique that does not require a navigator echo, which can be used for real-time MRI, particularly in speech imaging applications.</p> | - |
dc.language | eng | - |
dc.publisher | Elsevier | - |
dc.relation.ispartof | Magnetic Resonance Imaging | - |
dc.subject | Real-time MRI | - |
dc.subject | Self-navigation | - |
dc.subject | Speech imaging | - |
dc.subject | Subspace reconstruction | - |
dc.title | Self-navigated subspace reconstruction for real-time MR imaging of the vocal tract | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.mri.2024.110243 | - |
dc.identifier.pmid | 39369913 | - |
dc.identifier.scopus | eid_2-s2.0-85206439151 | - |
dc.identifier.volume | 115 | - |
dc.identifier.issnl | 0730-725X | - |