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Published in 2017 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26508
Abstract: To develop accelerated 4D flow MRI by exploiting low‐rank matrix structure and Hadamard sparsity.
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Keywords:
flow mri;
matrix structure;
exploiting low;
rank matrix ... See more keywords
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1
Published in 2017 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26762
Abstract: To develop a rapid 31P‐MRSI method with high spatiospectral resolution using low‐rank tensor‐based data acquisition and image reconstruction.
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Keywords:
resolution;
low rank;
rank tensor;
using low ... See more keywords
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Published in 2019 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.27976
Abstract: Quantitative susceptibility mapping (QSM) inevitably suffers from streaking artifacts caused by zeros on the conical surface of the dipole kernel in k‐space. This work proposes a novel and accurate QSM reconstruction method based on k‐space…
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Keywords:
reconstruction;
rank hankel;
hankel matrix;
low rank ... See more keywords
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Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29244
Abstract: To reduce scan time, methods to accelerate phase‐encoded/non‐Cartesian MR fingerprinting (MRF) acquisitions for variable density spiral acquisitions have recently been developed. These methods are not applicable to MRF acquisitions, wherein a single k‐space spoke is…
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Keywords:
plane accelerated;
rank inversion;
low rank;
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1
Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29281
Abstract: The synergistic use of k‐t undersampling and multiband (MB) imaging has the potential to provide extended slice coverage and high spatial resolution for first‐pass perfusion MRI. The low‐rank plus sparse (L + S) model has shown excellent…
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Keywords:
rank plus;
low rank;
first pass;
slice ... See more keywords
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Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29295
Abstract: To propose respiratory motion‐informed locally low‐rank reconstruction (MI‐LLR) for robust free‐breathing single‐bolus quantitative 3D myocardial perfusion CMR imaging. Simulation and in‐vivo results are compared to locally low‐rank (LLR) and compressed sensing reconstructions (CS) for reference.
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Keywords:
free breathing;
motion informed;
low rank;
locally low ... See more keywords
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Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29407
Abstract: To develop a joint denoising method that effectively exploits natural information redundancy in MR DWIs via low‐rank patch matrix approximation.
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Keywords:
low rank;
rank patch;
matrix approximation;
patch matrix ... See more keywords
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Published in 2023 at "Magnetic resonance in medicine"
DOI: 10.1002/mrm.29703
Abstract: PURPOSE Three-dimensional UTE MRI has shown the ability to provide simultaneous structural and functional lung imaging, but it is limited by respiratory motion and relatively low lung parenchyma SNR. The purpose of this paper is…
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Keywords:
low rank;
motion;
lung;
mri ... See more keywords
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Published in 2023 at "Statistics in Medicine"
DOI: 10.1002/sim.9711
Abstract: We propose a generalized linear low‐rank mixed model (GLLRM) for the analysis of both high‐dimensional and sparse responses and covariates where the responses may be binary, counts, or continuous. This development is motivated by the…
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Keywords:
generalized linear;
regression;
event;
vaccine adverse ... See more keywords
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Published in 2020 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-020-01358-1
Abstract: Robust principal component analysis (RPCA) has recently seen ubiquitous activity for dimensionality reduction in image processing, visualization and pattern recognition. Conventional RPCA methods model the low-rank component as regularizing each singular value equally. However, in…
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Keywords:
low rank;
penalty;
singular value;
component ... See more keywords
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Published in 2020 at "Soft Computing"
DOI: 10.1007/s00500-019-04269-9
Abstract: In partial label learning, each training instance is assigned with a set of candidate labels, among which only one is correct. An intuitive strategy to learn from such ambiguous data is disambiguation. Existing methods following…
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Keywords:
label;
rank representation;
low rank;
via low ... See more keywords