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[PDF] Top 20 Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance

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Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance

Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance

... here the results for the direct approach. The only a priori information is the value of the minimum time transfer T min from [ 17 ], used to set the final time t f in ... Voir le document complet

42

Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance

Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance

... Conclusion In this paper, we investigate several methods in optimal control to tackle successfully the contrast problem by saturation in nuclear magnetic ... Voir le document complet

44

Geometric Numerical Methods and Results in the Control Imaging Problem in Nuclear Magnetic Resonance

Geometric Numerical Methods and Results in the Control Imaging Problem in Nuclear Magnetic Resonance

... present numerical methods and results about the contrast imaging problem in nuclear magnetic resonance which corresponds to a Mayer ... Voir le document complet

27

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

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

... morphological and structural changes in the brain occur causing functional and net- work disruptions that can lead to many disorders such as epilepsy, Parkinson or Alzheimer’s ...diseases. ... Voir le document complet

6

Geometric and Numerical Optimal Control - Application to Swimming at Low Reynolds Number and Magnetic Resonance Imaging

Geometric and Numerical Optimal Control - Application to Swimming at Low Reynolds Number and Magnetic Resonance Imaging

... Hampath. The HamPath software is based upon indirect methods: simple and multiple shooting; differential continuation (or homotopy) methods; and compu- tation of the solutions of ... Voir le document complet

119

Using functional magnetic resonance imaging to detect covert awareness in the vegetative state

Using functional magnetic resonance imaging to detect covert awareness in the vegetative state

... Cognition and Brain Sciences Unit, 15 Chaucer Rd, Cambridge CB2 7EF, United Kingdom ABSTRACT T he assessment of patients with disorders of consciousness, including the vegetative state, is difficult ... Voir le document complet

7

Gradient waveform design for variable density sampling in Magnetic Resonance Imaging

Gradient waveform design for variable density sampling in Magnetic Resonance Imaging

... is in general easier to consider a sampling trajectory in a first time and design the gradient waveform ...To the best of our knowledge, the latter problem is currently ... Voir le document complet

10

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

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

... ABSTRACT The objective of this work is to apply 3D super resolution (SR) tech- niques to brain magnetic resonance (MR) image ...SR methods are considered following different trends: one ... Voir le document complet

5

Nuclear Magnetic Resonance Volumetric Antenna

Nuclear Magnetic Resonance Volumetric Antenna

... of the RF magnetic field with spatial homogeneity of 10%. The coil loop parameters can be designed by numerical methods for solving electromagnetic problems: the commercial ... Voir le document complet

6

Periaqueductal gray and emotions: the complexity of the problem and  the light at the end of the tunnel, the magnetic resonance imaging

Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging

... Emotions and the PAG: How in vivo imaging changed our view? Given how we have defined the emotions and the paradigm used to study the neuronal network of emotions ... Voir le document complet

18

Magnetic Resonance Imaging of the Heart and Large Vessels -- Survey of methods and new perspectives

Magnetic Resonance Imaging of the Heart and Large Vessels -- Survey of methods and new perspectives

... cardiac magnetic resonance imaging (CMR) scans were of inferior ...improvement in image quality was achieved after introducing the segmented acquisition of the k-space ... Voir le document complet

13

Acquisition and reconstruction methods for magnetic resonance imaging

Acquisition and reconstruction methods for magnetic resonance imaging

... QSM methods involve successive application of multiple post-processing steps consisting of phase unwrapping, removal of phase contributions from background sources, and solving an ill-posed inverse ... Voir le document complet

138

Comparison of Numerical Methods in the Contrast Imaging Problem in NMR

Comparison of Numerical Methods in the Contrast Imaging Problem in NMR

... IV. NUMERICAL RESULTS, BI-INPUT CASE We now move on to the bi-input case, with 2 controls and 6 state ...scratch the continuation strategy with H AM P ATH ..., and use them as a ... Voir le document complet

8

Comparison of numerical methods in the contrast imaging problem in NMR

Comparison of numerical methods in the contrast imaging problem in NMR

... indirect methods: shooting and differen- tial ...with the Bocop 2 toolbox ...of the state and control variables, with the resulting nonlinear programming problem solved by ... Voir le document complet

7

Nanoparticles as contrast agents for brain nuclear magnetic resonance imaging in Alzheimer's disease diagnosis

Nanoparticles as contrast agents for brain nuclear magnetic resonance imaging in Alzheimer's disease diagnosis

... role in major neurodegene- rative disorders like Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, amyotrophic lateral sclerosis and prion ...At the molecular and cellular ... Voir le document complet

23

Controversy in statistical analysis of functional magnetic resonance imaging data

Controversy in statistical analysis of functional magnetic resonance imaging data

... of the original paper and the subsequent media attention cast doubt on fMRI as a technique for studying brain function, and possibly even caused damage to the field of cognitive neuro- ... Voir le document complet

3

Geometric and numerical methods in optimal control and applications to the swimming problem at low Reynolds number and to low thrust orbital transfer

Geometric and numerical methods in optimal control and applications to the swimming problem at low Reynolds number and to low thrust orbital transfer

... engineering, the importance of the study of periodic optimal controls is illustrated by the following problem areas: the optimization of the production of photobioreactors over a ... Voir le document complet

174

Comparison of two methods for measuring the pubococcygeal line from sagittal-plane magnetic resonance imaging

Comparison of two methods for measuring the pubococcygeal line from sagittal-plane magnetic resonance imaging

... electromyography and verbal feedback, an experienced pelvic floor physiotherapist taught the participants to perform PFM contractions ...to the MRI suite and the testing procedure, ... Voir le document complet

13

Creating a magnetic resonance imaging ontology.

Creating a magnetic resonance imaging ontology.

... define the echo train and sequence parameters (repetition time, echo time, flip ...shift and susceptibility artefacts are ...for numerical solutions equations needed to simulate complex ... Voir le document complet

6

The analysis and interpretation of high resolution nuclear magnetic resonance spectra

The analysis and interpretation of high resolution nuclear magnetic resonance spectra

... The method used here is that of assuming a set of para- meters, calculating a spectrum on that basis, and adjust- ing the parameters for the best fit, defined as [r] ... Voir le document complet

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