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Cardiac and Respiratory Self-Gating in Radial MRI using an Adapted Singular Spectrum Analysis (SSA-FARY) [article]

Sebastian Rosenzweig, Nick Scholand, H. Christian M. Holme, Martin Uecker
<span title="2020-03-30">2020</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>

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<span title="2018-12-21">2018</span> <span class="release-stage" >pre-print</span>
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<span title="2019-09-06">2019</span> <span class="release-stage" >pre-print</span>
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<span title="2019-06-06">2019</span> <span class="release-stage" >pre-print</span>
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<span title="2020-02-15">2020</span> <span class="release-stage" >pre-print</span>
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In this work, we introduce a novel self-gating method for radially acquired data based on a dimensionality reduction technique for time-series analysis (SSA-FARY).  ...  SSA-FARY reliably detects the cardiac and respiratory motion and separates it from noise.  ...  Here, we adapt the Singular Spectrum Analysis For Advanced Reduction of dimensionalitY, which we dub SSA-FARY [38, 39] .  ... 
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Citation

Sebastian Rosenzweig, Nick Scholand, H. Christian M. Holme, Martin Uecker. "Cardiac and Respiratory Self-Gating in Radial MRI using an Adapted Singular Spectrum Analysis (SSA-FARY)." arXiv (2020)

Free-Breathing Myocardial T1 Mapping using Inversion-Recovery Radial FLASH and Motion-Resolved Model-Based Reconstruction [article]

Xiaoqing Wang, Sebastian Rosenzweig, Volkert Roeloffs, Moritz Blumenthal, Zhengguo Tan, Nick Scholand, H. Christian M. Holme, Martin Uecker
<span title="2021-11-19">2021</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>

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https://web.archive.org/web/20211128145604/https://arxiv.org/pdf/2111.09398v1.pdf

A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit <a rel="external noopener" href="https://arxiv.org/pdf/2111.09398v1.pdf">the original URL</a>. The file type is <code>application/pdf</code>.

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<span title="2021-11-17">2021</span> <span class="release-stage" >pre-print</span> <span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2111.09398v1">arXiv:2111.09398v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/caspxy32wzd75ohnxoxklaagme">fatcat:caspxy32wzd75ohnxoxklaagme</a> </span>
The respiratory motion signal is estimated from the filtered k-space center using an adapted singular spectrum analysis (SSA-FARY) technique.  ...  Aside from showing that a reliable respiratory motion signal can be estimated using modified SSA-FARY, in vivo studies with five healthy subjects demonstrate that high-resolution dynamic myocardial T1  ...  Estimating m 2 (t): Perform the singular spectrum analysis (SSA) on X(t), remove the components that are mostly related to the inversionrecovery contrast in the spectrum domain and transfer the processed  ... 
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Citation

Xiaoqing Wang, Sebastian Rosenzweig, Volkert Roeloffs, Moritz Blumenthal, Zhengguo Tan, Nick Scholand, H. Christian M. Holme, Martin Uecker. "Free-Breathing Myocardial T1 Mapping using Inversion-Recovery Radial FLASH and Motion-Resolved Model-Based Reconstruction." arXiv (2021)