high-contrast spatial resolution
The association of lesion eccentricity with plaque morphology and components in the superficial femoral artery: a high spatial resolution, multi contrast weighted CMR study
... High resolution multi-contrast cardiovascular mag- netic resonance (CMR) is a noninvasive technique capa- ble of providing detailed vessel wall information with high accuracy ...multi- ...
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3D High Spatial Resolution Cerebral MR Venography at 3T: A Contrast Dose Reduction Study
... and contrast-to-noise ratio (CNR) were measured for the following venous segments: the superior sagittal sinus, inferior sagit- tal sinus, straight sinus, transverse sinus, sigmoid sinus, vein of Galen, internal ...
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Visual resolution and contrast sensitivity in two benthic sharks
... of spatial resolution or contrast ...estimates contrast sensitivity and spatial resolution of two species of benthic sharks, the Port Jackson shark, Heterodontus portusjacksoni, ...
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Magnetic Resonance Imaging in Ophthamology
... higher spatial and/or temporal resolution to be ...in high-field clinical MRI. Other drawbacks of high-field MRI include acoustic noise and dielectric resonance ...1 contrast tends to ...
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High Resolution 3T MR Angiography of the Carotid Arteries: Comparison of Manual and Semiautomated Quantification of Stenosis
... ing increased acceptance. MR angiography (MRA), CT an- giography (CTA), and duplex/Doppler sonography (DUS) are minimally invasive techniques capable of 3D vessel visualiza- tion. Several MRA techniques have been ...
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High Frequency CT Findings within 24 Hours after Cerebral Infarction
... The improved spatial and contrast resolution of current generation scanners appears to have Significantly increased the sensitivity of computed tomography in demonstrating acute cerebral[r] ...
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Differences in spatial resolution and contrast sensitivity of flight control in the honeybees Apis cerana and Apis mellifera
... low resolution when compared with the anatomical estimate and is also potentially lower than the system mediating object detection, but that it is sensitive to very low ...the contrast sensitivity in A. ...
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Comparison of Unmonochromatized Synchrotron Radiation and Conventional X rays in the Imaging of Mammographic Phantom and Human Breast Specimens: A Preliminary Result
... the high image quality. The resolution test pattern was imaged by placing it directly on the scintillator screen, free from any coherence- based edge enhancement and possible edge blur- ring, in order to ...
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Spatial Resolution and Contrast Enhancement in Photoacoustic Imaging with Filter Delay Multiply and Sum Beamforming Technique
... In this study, filter delay multiply and sum (FDMAS) beamforming technique is proposed to improve SNR and res- olution of a photoacoustic image. This FDMAS beamforming technique depends on autocorrelation operation ...
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Performance Analysis of Image Fusion Techniques to Improve Quality of Satellite Data Bhagyamma S, A L Choodarathnakara, Ranjitha T K, Ramya A P, Niranjan K M
... different spatial, spectral, and temporal ...the spatial resolution of the multispectral image using spatial information from the high resolution panchromatic image while ...
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Estimates of the leaf area index using unmanned
... mangrove forest using high spatial resolution satellite data. Comparison of IKONOS and QuickBird images for 454[r] ...
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Resolution Enhancement of images with Interpolation and DWT-SWT Wavelet Domain Components
... image contrast or, more generally, from a poor usage of the available range of possible gray ...linear contrast stretching operation, which seeks to maximally utilize the available gray-scale ...linear ...
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Analytical approaches for probing surface properties and reactivity
... Herein we report the first use of confocal laser scanning microscopy (CLSM) coupled with scanning electrochemical microscopy (SECM) as a means of time dependent visualisation and quantification of proton dispersion at ...
201
Global spectroscopic survey of cloud thermodynamic phase at high spatial resolution, 2005–2015
... global high spatial resolution sur- vey of cloud thermodynamic ...zones. Spatial correlations follow a power law relationship with ap- proximately 50 % measurable variance determined at length ...
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Novel Review on Various Resolutions of Satellite Images
... Spatial resolution is defined because the measure of how closely traces may be resolved in an photo is referred to as spatial decision, and it depends on houses of the gadget growing the photograph, ...
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Dynamic changes of wetland resources based on MODIS and Landsat image data fusion
... spatial resolution up to 30 m, its visiting period is only 16 days, and the occurrence of cloudy or raining weather would largely reduce the usability of TM data ...the high-flow period, when the RS ...
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Development of a telescope for medium-energy gamma-ray astronomy
... electron tracking hodoscope consisting of a stack of detectors interleaved with thin metal foils positioned above a calorimeter. SAS-2, COS-B and EGRET utilized two-dimensional gas spark chambers whereas AGILE and ...
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Elemental analysis of glass optical fibres with high spatial resolution
... examination of the fibre cores, however, showed that in many cases the core centres appeared darker than the rest of the core. It was considered that this could be caused by two effects. If the aluminium doped silica had ...
187
High spatial resolution galactic 3D extinction mapping with IPHAS
... Here, we present a new approach to mapping the 3D extinction within the plane of our Galaxy, based on IPHAS photometry. The depth, quantity and quality of this data set allows us to construct a new extinction map with ...
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Co-propagation of maser emission at 1720 and 4765 MHz
... The positions of spots `B' and `C' at all three frequencies overlap to well within the positional errors. The overlaps are already fairly secure, as the measured sizes of the 4765-MHz spots in these regions are ...
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