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Magnetic Resonance Spectroscopic Imaging

Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification

Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification

... Magnetic resonance spectroscopic imaging (MRSI) is a non-invasive technique able to provide the spatial distribu- tion of relevant biochemical compounds commonly used as biomarkers of ...

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Integration of magnetic resonance spectroscopic imaging into the radiotherapy treatment planning

Integration of magnetic resonance spectroscopic imaging into the radiotherapy treatment planning

... shift imaging (CSI) or magnetic resonance spectroscopic imaging (MRSI)) allow the analysis of the metabolic heterogeneity of tumors since they are able to map the spatial distribution ...

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Acquisition time reduction in magnetic resonance spectroscopic imaging using discrete wavelet encoding.

Acquisition time reduction in magnetic resonance spectroscopic imaging using discrete wavelet encoding.

... in Magnetic Resonance Spectroscopic Imaging (MRSI) techniques: inefficient spatial encoding while maintaining high spectroscopic resolution and low concentrations of metabolites, which ...

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Fast magnetic resonance spectroscopic imaging (MRSI) using wavelet encoding and parallel imaging: in vitro results

Fast magnetic resonance spectroscopic imaging (MRSI) using wavelet encoding and parallel imaging: in vitro results

... selective radio-frequency (RF) pulses with profiles resembling the shape of wavelets to excite the sub-volumes (by analogy to sub-spaces) of the input image FOV and acquire the corresponding magnetic ...

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Integration of magnetic resonance spectroscopic imaging into the radiotherapy treatment planning

Integration of magnetic resonance spectroscopic imaging into the radiotherapy treatment planning

... 5.4 Discussion In order to apply the MRSI technique to routine clinical practice, it is im- portant to maximize the accuracy and the robustness of the quantification. Additionally, both processing time and technique ...

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Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification

Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification

... In this article, we propose a novel quantification technique that benefits from both model-based and regularized quantifica- tion methods. Spatial and spectral regularization terms are incor- porated jointly, with the ...

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Diffusion Maps Clustering for Magnetic Resonance Q-Ball Imaging Segmentation

Diffusion Maps Clustering for Magnetic Resonance Q-Ball Imaging Segmentation

... 5. CONCLUSIONS In this work, we have presented two contributions. First, we have shown that in order to perform spectral clustering on complex dMRI with crossing fiber bundles, an HARDI tech- nique such as Q-ball ...

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Semiautomated 3D liver segmentation using computed tomography and magnetic resonance imaging

Semiautomated 3D liver segmentation using computed tomography and magnetic resonance imaging

... CT Imaging Technique CT was performed using two MDCT scanners under standard abdominal imaging protocols. Twenty-five study patients were scanned with a 16-detector scanner (Lightspeed 16; GE Med- ical ...

181

Designing and characterizing hyperpolarizable silicon nanoparticles for magnetic resonance imaging

Designing and characterizing hyperpolarizable silicon nanoparticles for magnetic resonance imaging

... Overall, while the surface charge of the APTES & BTEOSE treated particles is the highest, the fluorescamine measurements do not indicate a significant difference [r] ...

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Controversy in statistical analysis of functional magnetic resonance imaging data

Controversy in statistical analysis of functional magnetic resonance imaging data

... Link- ing statistical methodology development and fundamental fMRI research is crucial for developing more accurate analysis methods, attributing accurate scientific interpretations to r[r] ...

3

On Single-Image Super-Resolution in 3D Brain Magnetic Resonance Imaging

On Single-Image Super-Resolution in 3D Brain Magnetic Resonance Imaging

... non-invasive imaging technique used to visualize internal body ...external magnetic field. Similar to any other imaging modality, the loss of spatial res- olution in the acquisition process can be ...

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On Single-Image Super-Resolution in 3D Brain Magnetic Resonance Imaging

On Single-Image Super-Resolution in 3D Brain Magnetic Resonance Imaging

... {farah.bazzi,muriel.mescam}@cnrs.fr , {basarab,kouame}@irit.fr, ABSTRACT The objective of this work is to apply 3D super resolution (SR) tech- niques to brain magnetic resonance (MR) image restoration. Two ...

5

Animal Functional Magnetic Resonance Imaging: Trends and Path Toward Standardization

Animal Functional Magnetic Resonance Imaging: Trends and Path Toward Standardization

... “functional magnetic resonance imaging,” “functional MRI,” or “fMRI” within the abstract or title, excluding studies in human and reviews, from 1990 onward, using the following ...functional ...

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Evaluating Computational Models of Vision with Functional Magnetic Resonance Imaging

Evaluating Computational Models of Vision with Functional Magnetic Resonance Imaging

... in Magnetic Resonance images, a pattern of brain atrophy centered on the thalamus predicts the evolution in Alzheimer’s disease for elderly patients [Stonnington et ...Functional Magnetic ...

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Biomechanical modeling and Magnetic Resonance Imaging to investigate CSF flow physiology

Biomechanical modeling and Magnetic Resonance Imaging to investigate CSF flow physiology

... to the repository administrator: tech-oatao@listes-diff.inp-toulouse.fr This is an author’s version published in: http://oatao.univ-toulouse.fr/23529 To cite this version: Cathalifaud, Patricia and Zagzoule, Mokhtar and ...

2

Gradient waveform design for variable density sampling in Magnetic Resonance Imaging

Gradient waveform design for variable density sampling in Magnetic Resonance Imaging

... in Magnetic Resonance Imaging Nicolas Chauffert, Pierre Weiss, Jonas Kahn and Philippe ...in Magnetic Resonance Imaging (MRI) and limit image distortions due to long echo train ...

10

Accelerating magnetic resonance imaging by unifying sparse models and multiple receivers

Accelerating magnetic resonance imaging by unifying sparse models and multiple receivers

... The first method, DESIGN denoising, addresses the noise amplification problem common to all accelerated parallel imaging methods by post-processing the reconstructed i[r] ...

148

Mechanisms of liquid transport in softwood inferred from Magnetic Resonance Imaging

Mechanisms of liquid transport in softwood inferred from Magnetic Resonance Imaging

... For this study, softwood materials used in construction are subjected to imbibition tests. Through an original approach coupling quantitative information obtained from mass and deformation measurements, Nuclear ...

5

Bioengineered Probes for Molecular Magnetic Resonance Imaging in the Nervous System

Bioengineered Probes for Molecular Magnetic Resonance Imaging in the Nervous System

... The difficulty of delivering contrast agents past the BBB poses a unique challenge for tar- geted molecular imaging of most ligands in the brain (66). A particularly interesting solution to this problem is the ...

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New insights on gas hydrate formation in sand through magnetic resonance imaging

New insights on gas hydrate formation in sand through magnetic resonance imaging

... Methane hydrate was formed in an unconsolidated bed of silica sand and the process was monitored with magnetic resonance imagin g. The sand particle size and the water content were varied and their effect ...

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