Magnetic resonance images
Automated brain tissue segmentation of magnetic resonance images in multiple sclerosis
... Finally, the lesion- fi lling process is achieved as follows: for each axial slice composing the three-dimensional image, we compute the mean and standard deviation of the signal intensity of NAWM tissue. Axial sampling ...
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Super-resolution of 3D Magnetic Resonance Images by Random Shifting and Convolutional Neural Networks
... netic resonance (MR) imaging, in order to keep improving diagnostic capability and registration ...MR images is proposed, implemented and ...T1 images, the new method also yielded better qualitative ...
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Tissue discrimination in magnetic resonance imaging of the rator cuff
... the Magnetic Resonance the method more widely ...of Magnetic Resonance Images of the tissues of interest were selected by specialist doctors and they were considered as Gold ...
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Automated methods on magnetic resonance brain imaging in multiple sclerosis
... Brain extraction, also known as skull stripping, is one of the most important preprocessing steps for many automatic brain image analysis. In this paper we present a new approach called Multispectral Adaptive Region ...
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Magnetic resonance volumetric techniques: a new segmentation method based on interval type-2 fuzzy logic and clinical applications
... This paper presents a method for segmentation of magnetic resonance images of the brain, based on the Type-2 Label- based Fuzzy Predicate Classification (T2-LFPC) proposed. Results for slice ...
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Clinical benefit of 3 Tesla magnetic resonance imaging rescanning in patients with focal epilepsy and negative 1 5 tesla magnetic resonance imaging
... Background: Magnetic resonance imaging is an essential tool in the pre-surgical evaluation of patients with drug-resistant ...Tesla magnetic resonance imaging were rescanned with ...the ...
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HR Nuclear Magnetic Resonance Spectroscopy for Authentication of Olive Oil Quality
... The objective of the work was two folded: a) to monitor the evolution of extra virgin olive oil exposed to indirect solar light in transparent glass bottles during four months; b) to identify spectral differences between ...
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Diffuse outlier time series detection technique for functional magnetic resonance imaging
... In this paper we have presented a new SVM based technique named DOCSVM taking into account the spatial relationship activation hypothesis. This technique improves fMRI time series classification. We compared this method ...
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Estudio anatómico, ecográfico, tomográfico e imagen por resonancia magnética de la articulación temporomandibular del caballo / Anatomy ultrasonography, computed tomography and magnetic resonance imaging of teh equine temporomandibula joint
... Despite the employment of a soft tissue algorithm and windowing, the TMJ soft tissue components were not as well visualised as the bone-containing structures. It was possible, however, to identify and correlate the ...
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Atlas-based segmentation of multiple sclerosis lesions in magnetic resonance imaging
... strained, thereby allowing subsequent processing to perform cortical reconstruction and cortical unfolding. The automated atlas-based segmentation method presented by Bricq et al. [35] performs tissue classification ...
236
Ferromagnetic resonance investigation in permalloy magnetic antidot arrays on alumina nanoporous membranes
... the magnetic properties of Permalloy antidot arrays on alumina nanoporous membranes with hole diameters of 18 nm and 70 ...external magnetic fi eld relative to the antidot ...two resonance modes ...
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Accelerated magnetic resonance fingerprinting using soft weighted key hole (MRF SOHO)
... time-point images with a reconstruction based on parallel imaging [20], soft-gating [21] and key-hole [22] ...time-point images is commonly used in MRF to explore the parametric space, generating unique ...
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Espectrocopia por resonancia magnética de protón en el diagnóstico de tumores cerebrales
... We assessed the potential impact of MRS in diagnosis of meningiomas. The majority may be confidently differ- entiated from other intracranial tumours on the basis of their spectroscopic pattern, especially the presence of ...
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The fractional Fourier transform and quadratic field magnetic resonance imaging
... in Magnetic Resonance Imaging (MRI), the order is related to the distortion introduced by quadratic field ...produce magnetic fields that are simultaneously high and ...
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Classifier combination for in vivo magnetic resonance spectra of brain tumours
... H Magnetic Resonance Spectroscopy (MRS) [1] is attracting much attention for non-invasive diagnosis of brain tumours. These tumours currently present a diffi- cult clinical problem: the oncologist needs to ...
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Aortic length measurements for pulse wave velocity calculation: manual 2D vs automated 3D centreline extraction
... The method only failed in a fraction of the bSSFP images and produced valid results in all other image types. Overall, out of the three different methods for calculating the Hessian matrix, using 2 scales (4 and 6 ...
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Implementation of a magnetic resonance elastography system
... standard Magnetic Resonance Imag- ing (MRI), Computed Tomography (CT) and Ultrasound (US), have been tested for possible use in hepatic fibrosis diagnose (Mariappan, Glaser, & Ehman, ...
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On motion in dynamic magnetic resonance imaging: Applications in cardiac function and abdominal diffusion
... Regarding the analysis of MR-T images (Axel et al., 2005), we can differentiate two main families of methods, image-based and k-space-based techniques. The image-based techniques are devised to directly process ...
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Nonlinear Optimization Methods for Accelerating Magnetic Resonance Imaging
... FA images, darker colors tipically corresponds to values near zero (isotropic regions) while light colors corresponds to values near one (anisotropic ...these images, fibers with an oblique angle have a ...
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TítuloGd3+ based magnetic resonance imaging contrast agent responsive to Zn2+
... spectrometer. Magnetic resonance imaging experiments at field strength of 7 T were performed on a BioSpec 70/30 USR magnet using Bruker quadrature volume coil (RF RES 300 1H 112/86 QSN TD ...
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