Filters








3,311 Hits in 5.0 sec

Computed radiography in NDT applications

Eric Deprins
2004 Insight (Northampton)  
Better image quality is obtained by longer exposure times, slower phosphor screens and higher scan resolutions.  ...  More and more applications can be covered by the improving image quality of digital radiography systems, and together with the digitisation of radiographic applications, come the enhancements in workflow  ...  Albeit film scanning, Computed Radiography or Direct Radiography, a lot of different applications will offer a home for one of these modalities, depending on throughput requirements, working conditions  ... 
doi:10.1784/insi.46.10.590.45215 fatcat:aeufoqchp5dp5ei7rlodzcwcpe

X-ray imaging methods for internal quality evaluation of agricultural produce

Nachiket Kotwaliwale, Karan Singh, Abhimannyu Kalne, Shyam Narayan Jha, Neeraj Seth, Abhijit Kar
2011 Journal of food science and technology  
This paper presents insight of X-ray based non-destructive techniques such as X-ray imaging and Computed Tomography (CT).  ...  These techniques, so far predominantly used in medical applications, have also been explored for internal quality inspection of various agricultural products non-destructively, when quality features are  ...  Acknowledgements This work was supported by the National Agricultural Innovation Project, Indian Council of Agricultural Research through its subproject entitled "Development of nondestructive systems for  ... 
doi:10.1007/s13197-011-0485-y pmid:24426042 pmcid:PMC3857400 fatcat:l5v7jqyafnc47oq5aljkuxa3ym

Radiation dose in CT: are we meeting the challenge?

S J Golding, P C Shrimpton
2002 British Journal of Radiology  
In conventional radiography it is usually clear when over exposure has taken place.  ...  CT has developed dramatically: scanning is faster, images are better, applications have grown and, of course, radiation doses have come down, have they not?  ... 
doi:10.1259/bjr.75.889.750001 pmid:11806950 fatcat:dvocyeitanf4tnbv2h3bbartge

Fraudulent Use of Digital Radiography: Methods To Detect and Protect Digital Radiographs

Filip L.G. Calberson, Geert M. Hommez, Roeland J. De Moor
2008 Journal of Endodontics  
Digital radiography has become an indispensable diagnostic tool in dentistry today.  ...  A number of manipulated radiographic images are presented to show concerns about security, reliability, and the potential for fraud.  ...  Applications include tamper detection, copyright protection, embedding descriptive information (metadata), and file access control by embedding access codes in image files.  ... 
doi:10.1016/j.joen.2008.01.019 pmid:18436029 fatcat:3ttlouewufa3resamv5t5rlgoa

Management of pediatric radiation dose using Agfa computed radiography

R. Schaetzing
2004 Pediatric Radiology  
However, modern image-processing techniques often have ways to adapt their processing to the local characteristics of the image, in particular to the noise content, which, as we know, is sensitive to dose  ...  New developments, like needle-based storage phosphors, next generation image-processing software, special equipment and software for pediatric applications, and new image management and QC tools will improve  ... 
doi:10.1007/s00247-004-1271-z pmid:15558263 fatcat:dpf3lrpgbjgyhkvc6cdig63twy

Human hand radiography using X-ray differential phase contrast combined with dark-field imaging

Thomas Thüring, Roman Guggenberger, Hatem Alkadhi, Jürg Hodler, Magdalena Vich, Zhentian Wang, Christian David, Marco Stampanoni
2013 Skeletal Radiology  
Verdun from the Institute of Radiation Physics at the University Hospital center Lausanne for his competent help in dose calculations.  ...  Acknowledgements The authors thank Gordan Mikuljan from Paul Scherrer Institute for the design and manufacturing of various mechanical components. They also thank Prof.  ...  application tool for integrating this new information into conventional radiography.  ... 
doi:10.1007/s00256-013-1606-7 pmid:23564002 fatcat:3waw6vhlrza4vidhb2hnscz2nq

Neutron Radiography

A. R. Reddy, M.V.N. Rao
1982 Defence Science Journal  
The applications of neutron radiography are also briefly presented.  ...  The field of neutron radiography with special referenceto isotopic neutron radiography has been reviewed. Different components viz., sources, collimators, imaging systems are described.  ...  Ramana Rao, Head, Isotope Laboratory, for their helpful discussions and encouragement.  ... 
doi:10.14429/dsj.32.6309 fatcat:xzmejdvd4ja33plikiepgx4hfi

Unified Open Hardware Platform for Digital X-ray Devices; its Conceptual Model and First Implementation

F. A. Durmaz, A. Brusan, C. Ozturk M.D.
2020 IEEE Journal of Translational Engineering in Health and Medicine  
Digital radiography devices are still the gold standard for diagnosis or therapy guidance in medicine.  ...  The researchers are free to select each individual device component from different vendors based on their intended application and target performance are utilized in criteria.  ...  Ozturk Işık for editorial help on writing this article; Dr. A. Yaman for his help about software architecture; Dr. M. Tümer, B. Ergüder, G. Turan, and G.  ... 
doi:10.1109/jtehm.2020.3000011 pmid:32617198 pmcid:PMC7326152 fatcat:pup4m6eglnfs7l4fqkp7jiyhfy

An Extensive Review of Significant Researches on Medical Image Denoising Techniques

Mredhula. L, M. A. Dorairangasamy
2013 International Journal of Computer Applications  
In addition, a brief description on the digital images and medical images is presented. A concise note on Radiography, Ultrasound, MRI and CT images is also presented.  ...  Hence, denoising of medical images is indispensable. Researchers have recognized this issue and have provided lots of paradigms and techniques for use in the medical image denoising process.  ...  extensive variety of thicknesses may be reviewed in one exposure by modifying image brightness and/or contrast, , unlike traditional radiography based on film, which may require another exposure or multiple  ... 
doi:10.5120/10699-1551 fatcat:qq7ijy7r7zdhnesrdjow7ucsxq

Use of Chest Imaging in the Diagnosis and Management of COVID-19: A WHO Rapid Advice Guide

Elie A. Akl, Ivana Blazic, Sally Yaacoub, Guy Frija, Roger Chou, John Adabie Appiah, Mansoor Fatehi, Nicola Flor, Eveline Hitti, Hussain Jafri, Zheng-Yu Jin, Hans Ulrich Kauczor (+12 others)
2020 Radiology  
The World Health Organization (WHO) undertook the development of a rapid guide on the use of chest imaging in the diagnosis and management of COVID-19.  ...  radiography, chest CT and lung ultrasound).  ...  The funder's views have not influenced the development and content of this guide.  ... 
doi:10.1148/radiol.2020203173 pmid:32729811 pmcid:PMC7393953 fatcat:32imvvcsgfdjnfozv6ufkc3hgm

X-ray imaging optimization of 3D tissue engineering scaffolds via combinatorial fabrication methods

Yanyin Yang, Shauna M. Dorsey, Matthew L. Becker, Sheng Lin-Gibson, Gary E. Schumacher, Glenn M. Flaim, Joachim Kohn, Carl G. Simon
2008 Biomaterials  
X-ray radiography and X-ray microcomputed tomography enable non-invasive imaging of implants in vivo and in vitro.  ...  Thus, we have developed a combinatorial library approach to efficiently determine the minimum amount of contrast agent necessary for X-ray-based imaging.  ...  This work was supported in part by NIH R21 EB006497-01.  ... 
doi:10.1016/j.biomaterials.2007.12.042 pmid:18242689 pmcid:PMC2996266 fatcat:v77xzmswabawbpcpscexf5bie4

Fluid-flow measurements in low permeability media with high pressure gradients using neutron imaging: Application to concrete

Mohamad Yehya, Edward Andò, Frédéric Dufour, Alessandro Tengattini
2018 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
Fluid-flow measurements in low permeability media with high pressure gradients using neutron imaging: Application to con-ABSTRACT This article focuses on a new experimental apparatus for investigating  ...  The front between these two types of water is tracked in space and time with a combination of neutron radiography and tomography.  ...  The Chair PERENITI partners shall not in any circumstances be deemed liable for the content of this publication which is only binding its author.  ... 
doi:10.1016/j.nima.2018.02.039 fatcat:l7ayv76m5fbrpaj2t5t3gdiy2a

Current status and future advances of digital radiography and PACS

Xinhua Cao, H.K. Huang
2000 IEEE Engineering in Medicine and Biology Magazine  
In recent years, much work based on objective assessment of conventional radiography has been revitalized for digital radiography [7] [8] [9] [10] [11] [12] [13] [14] .  ...  Projection Radiography In radiology examination, about 70% is projection radiography [2] . Traditionally, there are two ways to acquire an image from projection radiography after the X-ray exposure.  ... 
doi:10.1109/51.870234 pmid:11016033 fatcat:zacmhhuztnf7pa7fr7wsgsb6qa

Use of radiography and fluoroscopy in Disaster Victim Identification

Mark D. Viner, Abdullah Alminyah, Mario Apostol, Alison Brough, Wim Develter, Chris O'Donnell, Denise Elliott, Sarah Heinze, Paul Hofman, Guillaume Gorincour, Mansharan Kaur Chainchel Singh, Morio Iino (+7 others)
2015 Journal of Forensic Radiology and Imaging  
When the body is delivered to the imaging area it must be placed on the radiography / scan table, ideally in an anatomic supine 'head-up' position.  ...  AP and Lateral radiography secondary survey does not justify its application as a routine.  ... 
doi:10.1016/j.jofri.2015.04.001 fatcat:vhwzugngcvfxbjvny4m2naeevi

Interactive teaching environment for diagnostic radiography with real-time X-ray simulation and patient positioning

Aaron Sujar, Graham Kelly, Marcos García, Franck P. Vidal
2021 International Journal of Computer Assisted Radiology and Surgery  
The results show that our tool is realistic in many ways (72% of the participants agreed that the simulations are visually realistic), useful (67%) and suitable (78%) for teaching X-ray radiography.  ...  Our goal is to bridge the current disconnection between theory and practice in a safe environment, avoiding the risk of radiation for both practitioners and patients.  ...  Acknowledgements Some examples were based on the Visible Human male data set (National Library of Medicine) and the Segmented Inner Organs (Voxel-Man). We would like to thank Supercomputing Wales for  ... 
doi:10.1007/s11548-021-02499-7 pmid:34643883 pmcid:PMC8738456 fatcat:5lsn7en5orcpvg5w5oqvnlod6e
« Previous Showing results 1 — 15 out of 3,311 results