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A Novel Static CT System: The Design of Triple Planes CT and Its Multi-Energy Simulation Results

Yidi Yao, Liang Li, Zhiqiang Chen
2021 Frontiers in Physics  
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

Yiting Duan, Haitao Cheng, Kai Wang, Xuanqin Mou
2020 IEEE Access  
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

Frank Verhaegen, Patrick Granton, Erik Tryggestad
2011 Physics in Medicine and Biology  
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

Takafumi Sugiyama, Michael Angelo B. Promentilla
2021 Journal of advanced concrete technology  
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

Qiulin Tang, Beshan Chiang, Akinola Akinyemi, Alexander Zamyatin, Bibo Shi, Satoru Nakanishi, Bruce R. Whiting, Christoph Hoeschen
2014 Medical Imaging 2014: Physics of Medical Imaging  
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

Proceedings of SPIE, Ehsan Samei, Jiang Hsieh
2009 Medical Imaging 2009: Physics of Medical Imaging  
(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

George C. Kagadis, George Loudos, Konstantinos Katsanos, Steve G. Langer, George C. Nikiforidis
2010 Medical Physics (Lancaster)  
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

Mathias Reinecke
2016 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)  
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

M Andrade, M Costa, A Marques da Silva
2006 Medical Physics (Lancaster)  
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

Amir Jahanbakhsh, Krystian L. Wlodarczyk, Duncan P. Hand, Robert R. J. Maier, M. Mercedes Maroto-Valer
2020 Sensors  
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

D. Perez-Benito, R. Herrera, R. Chil, G. Konstantinou, J.M. Udias, M. Desco, J.J. Vaquero
2017 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)  
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

R. Joel England, Robert J. Noble, Karl Bane, David H. Dowell, Cho-Kuen Ng, James E. Spencer, Sami Tantawi, Ziran Wu, Robert L. Byer, Edgar Peralta, Ken Soong, Chia-Ming Chang (+18 others)
2014 Reviews of Modern Physics  
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

Swantje Bargmann, Benjamin Klusemann, Jürgen Markmann, Jan Eike Schnabel, Konrad Schneider, Celal Soyarslan, Jana Wilmers
2018 Progress in Materials Science  
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]

Matteo D'Andrea
2019 arXiv   pre-print
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

Muhammed Kamrul Islam, Paul J. Hazell, Juan P. Escobedo, Hongxu Wang
2021 Materials & design  
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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