Optical train for phase contrast imaging
X-ray phase-contrast imaging
... X-ray imaging is a standard tool for the non-destructive inspection of the in- ternal structure of ...of phase-sensitive techniques it is possible to generate con- trast also in relation to the phase ...
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New implementations of phase-contrast imaging
... The other pathway leads to the second detector without aperture thus forming a nonconfocal scanning microscopy. 5.2.3 Image Processing The first step in processing is background subtraction. In nonconfocal pathway, the ...
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Cardiovascular magnetic resonance phase contrast imaging
... In principle, the complete prescription of the inlet vel- ocity boundary conditions needed for CFD requires a de- tailed determination of all three components of the velocity vector in each pixel across the vascular ...
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Imaging of optical scattering contrast using ultrasound-modulated optical tomography
... obtaining optical absorption as well optical scattering coefficients of tissue beyond a depth of one transport mean free ...of imaging optical scattering contrast in deep tissue regime ...
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Determination of Graphene Layers by Optical Imaging Contrast Analysis
... include; optical microscopy [13,15], Raman spectroscopy [16,17], Low-energy electron microscopy (LEEM) [18,19], Atomic force microscopy (AFM), transmission electron microscopy (TEM), scanning electron microscopy ...
5
Optimal Phase Masks for High Contrast Imaging Applications
... the imaging system’s entrance ...High-contrast imaging systems are designed to suppress the light from a particular bright source prior to detection in order to improve sensitivity to its dim ...
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Advanced phase-contrast imaging using a grating interferometer
... shallow phase gradients, makes it an ideal technique for soft tissue studies in the fields of medical and biological ...the phase as an origin of ...
13
Development of Molecular Contrast-enhanced Imaging for Optical Coherence Tomography
... reviewing imaging technologies that somehow derive molecular information from the OCT ...an imaging technology that can effectively probe both morphological and biochemical pathological changes in tissue, ...
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Sensitivity of edge illumination X-ray phase-contrast imaging
... propagation-based imaging, analyser-based imaging and grating interferometry. We show here how the same formalism can be used also in the case of the edge illumination (EI) technique, providing results that ...
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Phase Contrast MR Imaging Support for the Diagnosis of Aqueductal Stenosis
... PC-MR imaging provides vascular and CSF flow data and adds to the knowledge of the mechanical cou- pling between the cerebral blood and the CSF flows through- out the CC and their temporal coordinated succession, ...
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3D Cardiac microvessels embolization imaging based on X-ray phase contrast imaging
... mark the ischemia region, direct visualization and quantification of the infarct vessel is more meaningful. In a number of clinical cases, after relief of the infracted large vessel, the blood flow of the ischemic tissue ...
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Contributions to the characterization of grating-based x-ray phase-contrast imaging
... different contrast channels obtainable by grating- based imaging were investigated and ...the phase ϕ and the amplitude a 1 of the phase-stepping oscillation are described by a wrapped ...
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MRI phase contrast flow velocity imaging of main pulmonary artery.
... expiratory imaging, whereas a proportional increase in attenuation in areas of both increased and decreased attenuation is expected for patients with pulmonary vascular ...
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Phase-Contrast OCT Imaging of Transverse Flows in the Mouse Retina and Choroid
... 5 Phase contrast was ob- served in images for motions smaller than 50 nm for a variety of sample motions, including flow in any direction and diffu- sional Brownian ...Three-dimensional ...
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Phase Contrast Neutron Imaging using Single and Multiple Pinhole Apertures
... 17 The geometric blurring takes place due to the spread of the neutron source and depends upon the sample-to-detector distance R as well as the L d ratio of the system where L is the source-to-sample distance and d is ...
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Accuracy and Reproducibility of Phase Contrast MR Imaging Measurements for CSF Flow
... several phase-encoding lines of k-space data, is acquired repeatedly throughout the cardiac cycle to provide information from multiple cardiac ...MR imaging systems, have been validated 12 and are routinely ...
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Idiopathic Spinal Cord Herniation: Value of MR Phase Contrast Imaging
... cord. Phase-contrast imaging is the best technique for assessing the presence or absence of a posterior arachnoid cyst, as it affords better comprehension of the disease and explains how, even in the ...
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X-ray phase contrast imaging: From synchrotrons to conventional sources
... planar imaging applications like mammography are less severely affected by these factors, at the time of writing the best result on mammography specimens were obtained by Stampanoni et ...requires phase ...
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Low-cost, High-contrast, and Miniature Optical Imaging Systems for Clinical Applications
... high contrast, and miniaturized optical imaging with potential applications in cancer ...in imaging thin vasculature on porcine ovarian tissue ex vivo also reveals its potential for ...
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Imaging of cerebrospinal fluid flow: fundamentals, techniques, and clinical applications of phase-contrast magnetic resonance imaging
... conditions. Phase-contrast MRI is a primary, non-inva- sive technique providing assessment of disruptions in the CSF compartment both qualitatively and ...4D-phase contrast are promising ...