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A Novel Static CT System: The Design of Triple Planes CT and Its Multi-Energy Simulation Results
2021
Frontiers in Physics
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Line-array carbon nanotube sources with different voltages and sandwich detectors are used. ...
Compared to conventional cone-beam CT and common inverse-geometry CT, the TPCT enables fast scanning and six-energy imaging. 1-D U-Net is applied to correct the severe scatter caused by the special geometry ...
The first application of CNT multibeam X-ray sources in a stationary CT system was a micro-CT system with square and hexagonal geometries [24] . ...
doi:10.3389/fphy.2021.632869
fatcat:tf6ammr2a5grvkofmxm47n6i5y
A Novel Stationary CT Scheme Based on High-Density X-ray Sources Device
2020
IEEE Access
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Quan et al. designed rotation-free square and hexagonal micro-CT configurations, and proposed a reconstruction method for the designed configuration [8] . B. ...
Specifically, we investigate the effect of the density of X-ray sources on the reconstruction quality. We use two phantoms for evaluation. ...
committee of the Chinese Society for Stereology, and also serves as the deputy director of the CT committee of the Chinese Society for Stereology. ...
doi:10.1109/access.2020.3003308
fatcat:pnz6z4l7i5btnmysqv3xk3ctqm
Small animal radiotherapy research platforms
2011
Physics in Medicine and Biology
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Acknowledgments We would like to thank the following people for their help with this review and its pre-history: Patricia Lindsay, David Jaffray, Richard Hill and James Chow ...
In basic form, the SARRP consists of an x-ray source mounted on a motorized rotating arm, a dual imaging system for CT and planar x-ray imaging for target localization and a set of robotically controlled ...
Most commercial micro-CT scanners include micro-focus x-ray tubes with focal spot sizes ranging from 5 to 50 μm (Wang and Vannier 2001) . ...
doi:10.1088/0031-9155/56/12/r01
pmid:21617291
fatcat:huw2wpjhhnhqlljbn3kl3llbni
Advancing Concrete Durability Research through X-ray Computed Tomography
2021
Journal of advanced concrete technology
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This paper thus presents our studies on the application of microfocus X-ray CT, synchrotron radiation X-ray CT, and the integrated computed microtomography and X-ray diffraction (CT-XRD) method to advance ...
Radiation technology such as X-ray computed tomography (X-ray CT) is a powerful tool for materials research. ...
In addition, the authors express sincere gratitude to their former students and colleagues in the laboratory of Environmental Materials Engineering at Hokkaido University who were involved for their efforts ...
doi:10.3151/jact.19.730
fatcat:o5v4qmwvrvfkpkvbayqd7tfava
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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In this geometry, multiple x-ray sources are adopted to implement the same field of view at the exactly same time for the simultaneous PET and CT imaging process. ...
of a novel designed x-ray CT scanning geometry is investigated. ...
evaluation, and improve patient care. ...
doi:10.1117/12.2043492
fatcat:fyzpc5m6jbh7fjohqpdmtzkhte
Front Matter: Volume 7258
2009
Medical Imaging 2009: Physics of Medical Imaging
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(United States)
SESSION 4
BREAST CT
7258 0I
Three-dimensional imaging properties of rotation-free square and hexagonal micro-CT
systems [7258-17]
E. Quan, D. S. ...
McCollough, Mayo Clinic (United States) 7258 38 Iterative scatter correction for x-ray cone-beam CT with semi-transparent beam stop array [7258-117] H. Yan, X. Mou, S. Tang, X. ...
methods for evaluation of imaging systems. ...
doi:10.1117/12.827591
fatcat:7c7lsrkatrgp3gqhvepjpswewa
In vivo small animal imaging: Current status and future prospects
2010
Medical Physics (Lancaster)
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Proposed hybrid approaches for diagnosis and targeted site-specific therapy are highlighted to offer an intriguing glimpse of the future. ...
Whole-body small animal imaging is a particularly elegant and cost-effective experimental platform for the timely validation and commercialization of novel agents from the bench to the bedside. ...
FIG. 4. ͓͑a͒ and ͑b͔͒ Axial and ͓͑c͒ and ͑d͔͒ coronal slice images of prospective-gated cardiac micro-CT imaging of a free-breathing mouse using carbon nanotube field emission x ray. ...
doi:10.1118/1.3515456
pmid:21302799
fatcat:l2tpdpl7dzbzvcriu2aonmi5le
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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This achievement was recognised through the award of the 2015 Nobel prize for physics to the leaders of the SNO and Super-Kamiokande experiments for the conclusive establishment of the phenomenon of neutrino ...
For example, we now know that neutrinos have a mass, providing clear evidence for physics beyond the our current understanding. ...
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 ...
doi:10.1109/nssmic.2016.8069748
fatcat:zjgd7dmfdbhntb4kfwdtrlejhi
SU-FF-I-79: Java-Based Plugin for Tomographic Reconstruction for SPECT Data
2006
Medical Physics (Lancaster)
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Purpose: Digital tomosynthesis (DTS) is a method for reconstructing 3D images from cone-beam projection data acquired with limited angulation (e.g., 40 o ) of an x-ray source, and is much faster and lower ...
The average registration error was 30% less for translations along the dimension of tomographic motion than for the other two dimensions. ...
An x-ray tube is employed for both irradiation and cone-beam CT imaging. ...
doi:10.1118/1.2240759
fatcat:5we2nvgwx5hrxcv2ngufce6obq
Review of Microfluidic Devices and Imaging Techniques for Fluid Flow Study in Porous Geomaterials
2020
Sensors
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Understanding transport phenomena and governing mechanisms of different physical and chemical processes in porous media has been a critical research area for decades. ...
This includes a comprehensive analysis of critical aspects of fabrication techniques of micromodels, and the most recent advances such as embedding fibre optic sensors in micromodels for research applications ...
Types of X-ray CT There are three types of X-ray CT systems: industrial X-ray, medical CT, and synchrotron micro-tomography, depending on the X-ray energy and source, means of sample manipulation and detector ...
doi:10.3390/s20144030
pmid:32698501
pmcid:PMC7412536
fatcat:akefhxesenccrfddzlpof5mmb4
Proposal for a PET scanner with 4π formula steradian span
2017
2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)
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We decided that when building the actual system, the vertices could be truncated a little to add sensors or to include other imaging modalities in this design, like including micro CT x-ray sources thus ...
as an X-ray(Auger Electron). ...
doi:10.1109/nssmic.2017.8532648
fatcat:ibeuinis3fho5fn6blbfhwp7qi
Dielectric laser accelerators
2014
Reviews of Modern Physics
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Implications for high energy physics and other applications are discussed. ...
We describe recent advances in the study of particle acceleration using dielectric near-field structures driven by infrared lasers, which we refer to as Dielectric Laser Accelerators. ...
for useful discussions. ...
doi:10.1103/revmodphys.86.1337
fatcat:xxk744vnbjbunfkiwqe3pakpf4
Generation of 3D representative volume elements for heterogeneous materials: A review
2018
Progress in Materials Science
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For completeness, relevant up-to-date software tools, used at various stages of RVE generation -either commercial or open-source -are summarized. ...
methods targeting simulation of the physical process(es) responsible for the microstructure formation and evolution, and (iii) geometrical methods concentrating solely on mimicking the morphology (ignoring ...
Acknowledgements This work benefited from many fruitful discussions with co-workers and colleagues which is gratefully acknowledged. ...
doi:10.1016/j.pmatsci.2018.02.003
fatcat:aeie32pxmnfgdge2wmsnzadhvq
Opening the low-background and high-spectral-resolution domain with the ATHENA large X-ray observatory: Development of the Cryogenic AntiCoincidence Detector for the X-ray Integral Field Unit
[article]
2019
arXiv
pre-print
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It is designed to address the science theme "The Hot and Energetic Universe", performing X-ray observations (0.2-12 keV) at the L2 Sun-Earth Lagrangian point. ...
, thermal and electromagnetic compatibility with the TES array. ...
], (3.3) From these simple analytical evaluations, we found that with l = 2.1 cm (i.e. the hexagonal TES array diagonal), s = 0, and the side CryoAC pixels square-shaped with an area of 1 cm 2 (h = 1 cm ...
arXiv:1904.03307v1
fatcat:rnost7gez5gj3b5p6x4izmpjrq
Biomimetic armour design strategies for additive manufacturing: a review
2021
Materials & design
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We also discuss biological structures that are not employed for protective purposes but provide flexibility and have damage tolerant properties suitable for developing strong, tough and lightweight bioinspired ...
These strategies also serve a certain amount of flexibility that contribute to body movement and locomotion. ...
matrix and soft layers of bio-inspired armour; (e) scale assembly and X-ray of knee pad with bio-inspired scale; (f) bio-inspired knee pads applied to break glass [18] . ...
doi:10.1016/j.matdes.2021.109730
fatcat:662sldyewvaefbbbu2ge2ilbma
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