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  COSMOS-based susceptibility estimations: Accuracy assessment and comparisons of QSM and multiple-angle acquisitions

Gkotsoulias, D., Müller, R., Schlumm, T., Alsleben, N., Jäger, C., Jäffe, J., et al. (2022). COSMOS-based susceptibility estimations: Accuracy assessment and comparisons of QSM and multiple-angle acquisitions. Poster presented at 2022 Joint Annual Meeting ISMRM-ESMRMB, London, United Kingdom.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-06EE-3 Version Permalink: https://hdl.handle.net/21.11116/0000-000B-06EF-2
Genre: Poster

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 Creators:
Gkotsoulias, Dimitrios1, Author           
Müller, Roland1, Author                 
Schlumm, Torsten1, Author           
Alsleben, Niklas1, Author
Jäger, Carsten2, Author                 
Jäffe, Jennifer3, 4, Author
Pampel, André1, Author           
Crockford, Catherine3, 4, Author
Wittig, Roman M.3, 4, Author
Möller, Harald E.1, Author           
Affiliations:
1Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634558              
2Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205649              
3Chimpanzees, Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society, ou_2149636              
4Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques en Côte d’Ivoire, Abidjan, Côte D’Ivoire, ou_persistent22              

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Free keywords: Susceptibility, QSM, COSMOS, STI
 Abstract: Calculation Of Susceptibility through Multiple Orientation Sampling (COSMOS) is assessed comparing the optimal, a clinically feasible and multiple-orientation schemes. The optimal COSMOS estimation is used as a gold standard and is compared to the other schemes using the similarity index (SSIM), mean absolute error (MAE) and Pearson’s coefficient (PC). Further comparisons include Thresholded K-space Division (TKD) quantitative susceptibility mapping. For selected white-matter regions, linear regression is used to assess the similarities between the different estimations.

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 Dates: 2022-05
 Publication Status: Not specified
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Title: 2022 Joint Annual Meeting ISMRM-ESMRMB
Place of Event: London, United Kingdom
Start-/End Date: 2022-05-07 - 2022-05-12

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