Super-resolution T1 estimation: Quantitative high resolution T1 mapping from a set of low resolution T1 -weighted images with different slice orientations

Gwendolyn Van Steenkiste; Dirk H J Poot; Ben Jeurissen; Arnold J den Dekker; Floris Vanhevel; Paul M Parizel; Jan Sijbers

doi:10.1002/mrm.26262

Super-resolution T1 estimation: Quantitative high resolution T1 mapping from a set of low resolution T1 -weighted images with different slice orientations

Gwendolyn Van Steenkiste, Dirk H J Poot, Ben Jeurissen, Arnold J den Dekker, Floris Vanhevel, Paul M Parizel, Jan Sijbers

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

PURPOSE: Quantitative T1 mapping is a magnetic resonance imaging technique that estimates the spin-lattice relaxation time of tissues. Even though T1 mapping has a broad range of potential applications, it is not routinely used in clinical practice as accurate and precise high resolution T1 mapping requires infeasibly long acquisition times.

METHOD: To improve the trade-off between the acquisition time, signal-to-noise ratio and spatial resolution, we acquire a set of low resolution T1 -weighted images and directly estimate a high resolution T1 map by means of super-resolution reconstruction.

RESULTS: Simulation and in vivo experiments show an increased spatial resolution of the T1 map, while preserving a high signal-to-noise ratio and short scan time. Moreover, the proposed method outperforms conventional estimation in terms of root-mean-square error.

CONCLUSION: Super resolution T1 estimation enables resolution enhancement in T1 mapping with the use of standard (inversion recovery) T1 acquisition sequences. Magn Reson Med 77:1818-1830, 2017. © 2016 International Society for Magnetic Resonance in Medicine.

Original language	English
Pages (from-to)	1818-1830
Number of pages	13
Journal	Magnetic Resonance in Medicine
Volume	77
Issue number	5
DOIs	https://doi.org/10.1002/mrm.26262
Publication status	Published - May 2017
Externally published	Yes

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Van Steenkiste, G., Poot, D. H. J., Jeurissen, B., den Dekker, A. J., Vanhevel, F., Parizel, P. M., & Sijbers, J. (2017). Super-resolution T1 estimation: Quantitative high resolution T1 mapping from a set of low resolution T1 -weighted images with different slice orientations. Magnetic Resonance in Medicine, 77(5), 1818-1830. https://doi.org/10.1002/mrm.26262

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abstract = "PURPOSE: Quantitative T1 mapping is a magnetic resonance imaging technique that estimates the spin-lattice relaxation time of tissues. Even though T1 mapping has a broad range of potential applications, it is not routinely used in clinical practice as accurate and precise high resolution T1 mapping requires infeasibly long acquisition times.METHOD: To improve the trade-off between the acquisition time, signal-to-noise ratio and spatial resolution, we acquire a set of low resolution T1 -weighted images and directly estimate a high resolution T1 map by means of super-resolution reconstruction.RESULTS: Simulation and in vivo experiments show an increased spatial resolution of the T1 map, while preserving a high signal-to-noise ratio and short scan time. Moreover, the proposed method outperforms conventional estimation in terms of root-mean-square error.CONCLUSION: Super resolution T1 estimation enables resolution enhancement in T1 mapping with the use of standard (inversion recovery) T1 acquisition sequences. Magn Reson Med 77:1818-1830, 2017. {\textcopyright} 2016 International Society for Magnetic Resonance in Medicine.",

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Super-resolution T1 estimation : Quantitative high resolution T1 mapping from a set of low resolution T1 -weighted images with different slice orientations. / Van Steenkiste, Gwendolyn; Poot, Dirk H J; Jeurissen, Ben; den Dekker, Arnold J; Vanhevel, Floris; Parizel, Paul M; Sijbers, Jan.

In: Magnetic Resonance in Medicine, Vol. 77, No. 5, 05.2017, p. 1818-1830.

Research output: Contribution to journal › Article

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AU - Van Steenkiste, Gwendolyn

AU - Poot, Dirk H J

AU - Jeurissen, Ben

AU - den Dekker, Arnold J

AU - Vanhevel, Floris

AU - Parizel, Paul M

AU - Sijbers, Jan

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AB - PURPOSE: Quantitative T1 mapping is a magnetic resonance imaging technique that estimates the spin-lattice relaxation time of tissues. Even though T1 mapping has a broad range of potential applications, it is not routinely used in clinical practice as accurate and precise high resolution T1 mapping requires infeasibly long acquisition times.METHOD: To improve the trade-off between the acquisition time, signal-to-noise ratio and spatial resolution, we acquire a set of low resolution T1 -weighted images and directly estimate a high resolution T1 map by means of super-resolution reconstruction.RESULTS: Simulation and in vivo experiments show an increased spatial resolution of the T1 map, while preserving a high signal-to-noise ratio and short scan time. Moreover, the proposed method outperforms conventional estimation in terms of root-mean-square error.CONCLUSION: Super resolution T1 estimation enables resolution enhancement in T1 mapping with the use of standard (inversion recovery) T1 acquisition sequences. Magn Reson Med 77:1818-1830, 2017. © 2016 International Society for Magnetic Resonance in Medicine.

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