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Resolving adjacent nanophosphors of different concentrations by excitation-based cone-beam X-ray luminescence tomography
2017
Biomedical Optics Express
Preserved Fulltext
Cone-beam X-ray luminescence computed tomography (CB-XLCT) has been proposed as a new molecular imaging modality recently. ...
To address this problem, a multi-voltage excitation imaging scheme combined with principal component analysis is proposed in this study. ...
Yan, "Excitation-resolved cone-beam x-ray luminescence tomography," J. Biomed. Opt. 20(7), 070501 (2015). 24. H. Abdi and L. J. Williams, "Principal component analysis," Wiley Interdiscip. Rev. ...
doi:10.1364/boe.8.003952
pmid:29026681
pmcid:PMC5611915
fatcat:t5rwoielrrhmbdmqoxzhb3oywa
Spectral-resolved cone-beam X-ray luminescence computed tomography with principle component analysis
2018
Biomedical Optics Express
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Cone-beam X-ray luminescence computed tomography (CB-XLCT) has become a promising technique for its higher utilization of X-ray and shorter scanning time compared to the narrow-beam XLCT, but it suffers ...
In this work, a spectral-resolved CB-XLCT method combining multispectral CB-XLCT with principle component analysis (PCA) was proposed to improve the imaging resolution. ...
Liang, "Quantitative cone beam X-ray luminescence tomography/X-ray computed tomography imaging," Appl. Phys. Lett. 105(19), 191104 (2014). 16. H. Abdi and L. J. ...
doi:10.1364/boe.9.002844
pmid:30258694
pmcid:PMC6154197
fatcat:juivbkc2hbbgnnj4d5mzvqt434
Front Matter: Volume 10578
2018
Medical Imaging 2018: Biomedical Applications in Molecular, Structural, and Functional Imaging
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[10578-33]
10578 0Z
Dynamic cone beam x-ray luminescence computed tomography with principal component
analysis [10578-34]
10578 10
A fast reconstruction algorithm for fluorescence molecular tomography ...
beam x-ray luminescence
computed tomography reconstruction [10578-53]
SESSION 11
BONE AND MUSCULOSKELETAL
10578 1J
Robust quantitative assessment of trabecular microarchitecture in extremity cone-beam ...
doi:10.1117/12.2323952
fatcat:om4wezsn3vgr7mebecadzuy5ly
Space-Filling X-Ray Source Trajectories for Efficient Scanning in Large-Angle Cone-Beam Computed Tomography
2018
IEEE Transactions on Computational Imaging
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We present a new family of X-ray source scanning trajectories for large-angle cone-beam computed tomography. ...
The practical implications of these properties in tomography are also illustrated by simulation. ...
The authors would also like to thank the use of supercomputer time provided by Australias National Computational Infrastructure. ...
doi:10.1109/tci.2018.2841202
fatcat:7djwewskrnfl3gmtxgz7ktmhju
Core curriculum for medical physicists in radiology. Recommendations from an EFOMP/ESR working group
2012
Insights into Imaging
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Core curriculum items
Hardware Computed tomography imaging systems (general CT scanner, radiotherapy planning CT scanner, cone beam CT scanner) Detector design for computed tomography imaging systems ...
General principles of X-ray equipment and X-ray imaging
Competences
Basic principles To become acquainted with the physical components of X-ray imaging equipment (high voltage generator, X-ray tube ...
Refraction International and national recommendations standards and regulations Safety design of medical X-ray installations Radiation effects in radiology on the embryo and foetus, leukaemogenesis ...
doi:10.1007/s13244-012-0170-3
pmid:22696082
pmcid:PMC3369126
fatcat:ask55urygzhrhd3kbq3bburikm
Development and trends in synchrotron studies of ancient and historical materials
2012
Physics reports
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Synchrotron Ancient and historical materials X-ray spectroscopy X-ray imaging Fourier-transform infrared spectroscopy UV/visible luminescence spectroscopy a b s t r a c t Synchrotron photon-based methods ...
This review of the existing literature shows that microfocused hard X-ray spectroscopy (absorption, fluorescence, diffraction), full-field X-ray tomography and infrared spectroscopy are the leading synchrotron ...
X-ray computed tomography and related techniques
Basic principles X-ray microscopy takes advantage from the absorption (photo-electric effect) and (elastic) scattering (or refraction) of X-rays in their ...
doi:10.1016/j.physrep.2012.03.003
fatcat:o7e3f4nijrfh7mnjow4hj3yjqy
A combined local and global motion estimation and compensation method for cardiac CT
2014
Medical Imaging 2014: Physics of Medical Imaging
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Principal component analysis (PCA) was used to decompose each cluster into different axes (patterns). ...
(United States) Cone-beam computed tomography (CBCT) has obtained growing interest of researchers in image reconstruction. ...
doi:10.1117/12.2043492
fatcat:fyzpc5m6jbh7fjohqpdmtzkhte
Pump-probe X-ray holographic imaging of laser-induced cavitation bubbles with femtosecond FEL pulses
2021
Nature Communications
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In this work, we demonstrate cone-beam holographic flash imaging of laser-induced cavitation bubbles in water with nanofocused X-ray free-electron laser pulses. ...
X-ray holography with single X-ray free-electron laser pulses has now enabled a quasi-instantaneous high resolution structural probe with contrast proportional to the electron density of the object. ...
set into its statistical contributions by a principal component
analysis (PCA). ...
doi:10.1038/s41467-021-23664-1
pmid:34103498
pmcid:PMC8187368
fatcat:kpy2sooyefg6xhbgtncrspwa2m
Power pulsing of the CALICE tile hadron calorimeter
2016
2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)
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DUNE consists of an intense neutrino beam fired a distance of 1300 km from Fermilab (near Chicago) to the 40,000 ton Liquid Argon DUNE detector, located deep underground in the Homestake mine. ...
The principles will be described along with several examples of spectral X-ray radiography.
R13-3: 3D Non-Destructive Fluorescent X-Ray Computed Tomography (FXCT) with a CdTe Array ...
The X-ray imaging based on photon counting with these sensors faces several complications distorting their spectral response and degrading their spatial resolution. ...
doi:10.1109/nssmic.2016.8069748
fatcat:zjgd7dmfdbhntb4kfwdtrlejhi
Ion Beam Analysis: A Century of Exploiting the Electronic and Nuclear Structure of the Atom for Materials Characterisation
2011
Reviews of Accelerator Science and Technology
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Analysis using MeV ion beams is a thin film characterisation technique invented some 50 years ago which has recently had the benefit of a number of important advances. ...
But it will concentrate on thin film depth profiling using Rutherford backscattering, particle induced X-ray emission and related techniques in the deliberately synergistic way that has only recently become ...
Surrey Ion Beam Centre is supported by the European Community as a TransNational Access Infrastructure of the Integrating Activity «Support of Public and Industrial Research Using Ion Beam Technology ( ...
doi:10.1142/s1793626811000483
fatcat:fqhbwy7dm5dtrbo4kvli7cnw5e
MAM volume 28 issue S1 Cover and Front matter
2022
Microscopy and Microanalysis
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Pharmaceutical Research through Innovations in Imaging; BJ Howell Application of X-ray Computed Tomogrophy for High-Throughput Analysis in Drug Product Development at Laboratory Cryo Soft X-ray Tomography ...
a Million X-rays? ...
doi:10.1017/s143192762201203x
fatcat:bmtgxgvwd5fsrc2yi24ujalmpy
Novel experimental measuring techniques required to provide data for CFD validation
2008
Nuclear Engineering and Design
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This includes the state-of-art of X-ray and gamma tomography, new multi-component wire-mesh sensors, and a discussion of the potential of other non-intrusive techniques, such as neutron radiography and ...
The presentation reports about the use of wire-mesh sensors to study turbulent mixing processes in the single-phase flow as well as to characterize the dynamics of the gas-liquid interface in a vertical ...
Wire-mesh sensor electronics were developed together with the TELETRONIC GmbH in Rossendorf (www.tz-rotech.de/teletronic/). ...
doi:10.1016/j.nucengdes.2007.02.050
fatcat:74irqkjglbenxdpavmxsue7r7u
Nanoparticles for Cerenkov and Radioluminescent Light Enhancement for Imaging and Radiotherapy
2020
Nanomaterials
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Here, we review the principal NPs proposed in the literature, discussing their properties and the main results obtained by the proponent experimental groups. ...
Cerenkov luminescence imaging and Cerenkov photodynamic therapy have been developed in recent years to exploit the Cerenkov radiation (CR) generated by radioisotopes, frequently used in Nuclear Medicine ...
The excitation by radionuclides of
nanoparticles composed of large
atomic number atoms generates
X-rays, enabling multiplexed
imaging through single photon
emission computed tomography. ...
doi:10.3390/nano10091771
pmid:32906838
pmcid:PMC7559269
fatcat:yqf3k3bgkvhkpg24kxwny4gz7y
Review on the characteristics of radiation detectors for dosimetry and imaging
2014
Physics in Medicine and Biology
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by cone-beam CT. ...
Biol. 59 (2014) R303 discussion of the application of detectors for x-ray nuclear medicine and ion beam imaging and dosimetry is presented. Part I. ...
CT Since the invention of x-ray-computed tomography by Hounsfied and Cormack in 1971, there have been a series of major technical improvements in scanner design, increasing the number of detectors, contrast ...
doi:10.1088/0031-9155/59/20/r303
pmid:25229250
fatcat:adc2t3bvbbflzaqivpsmawfkvu
RADIATION DOSE ASSOCIATED WITH FLUOROSCOPY X-RAY EXAMINATIONS FOR PEDIATRICS
2022
Zenodo
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and Children Hospitals in Makah city was conducted on 140 patient Children ranging in age from (1 to 14 years) analyzed to determine range, mean, 75th percentiles of Dose–Area Product (DAP) undergoing X-ray ...
This is very important for pediatric patients undergoing fluoroscopic examinations, as these examinations can be associated with a high radiation dose. ...
The picture is sent to a computer, which allows the movement of a bodily component, equipment, or contrast agent ("X-ray dye") through to the biological to be observed in considerable detail. ...
doi:10.5281/zenodo.7482275
fatcat:limxzrqda5fkbfyhxpcpayugou
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