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Relevant bibliographies by topics / Automatic exposure control; Computed radiography

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Academic literature on the topic 'Automatic exposure control; Computed radiography'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2022

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Journal articles on the topic "Automatic exposure control; Computed radiography"

1

Doyle, P., D. Gentle, and C. J. Martin. "Optimising automatic exposure control in computed radiography and the impact on patient dose." Radiation Protection Dosimetry 114, no. 1-3 (2005): 236–39. http://dx.doi.org/10.1093/rpd/nch548.

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Moore, C. S., T. J. Wood, G. Avery, et al. "An investigation of automatic exposure control calibration for chest imaging with a computed radiography system." Physics in Medicine and Biology 59, no. 9 (2014): 2307–24. http://dx.doi.org/10.1088/0031-9155/59/9/2307.

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Moore, C. S., T. J. Wood, G. Avery, et al. "Automatic exposure control calibration and optimisation for abdomen, pelvis and lumbar spine imaging with an Agfa computed radiography system." Physics in Medicine and Biology 61, no. 21 (2016): N551—N564. http://dx.doi.org/10.1088/0031-9155/61/21/n551.

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Moore, Craig S., Tim J. Wood, Steven Jones, John R. Saunderson, and Andrew W. Beavis. "A practical method to calibrate and optimise automatic exposure control devices for computed radiography (CR) and digital radiography (DR) imaging systems using the signal-to-noise ratio (SNR) metric." Biomedical Physics & Engineering Express 5, no. 3 (2019): 035027. http://dx.doi.org/10.1088/2057-1976/ab123b.

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Promduang, Atchara, Napapong Pongnapang, Napat Ritlumlert, Sutthirak Tangruangkiat, and Monchai Phonlakrai. "A Study of Entrance Surface Air Kerma for Patients Undergoing Chest and Abdomen from Digital Radiography at Chulabhorn Hospital." Journal of Health Science and Medical Research 37, no. 1 (2019): 51. http://dx.doi.org/10.31584/jhsmr.201940.

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Objective: The main purpose of this study was to investigate the typical dose for standard-sized patients in chest (posteroanterior; PA) and abdomen (anteroposterior; AP) digital radiography.Material and Methods: The air kerma was measured by the ionization chamber (Radical Corporation, model 10X6-6) in X-ray equipment manufactured by General Electric Healthcare Definium 8000 System for different kilovoltage peak (kVp) settings in each X-ray examination. The entrance surface air kerma (ESAK) was determined in 422 mediumsized patients in different projections: chest (PA) and abdomen (AP), accor

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Korf, A., C. P. Herbst, and W. ID Rae. "The relationship between compression force, image quality and radiation dose in mammography." South African Journal of Radiology 13, no. 4 (2009): 86. http://dx.doi.org/10.4102/sajr.v13i4.486.

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Background. Mammography aims to obtain mammograms of best possible image quality with least possible radiation dose.1 Theoretically, an increase in breast compression gives a reduction in thickness, without changing the density, resulting in improved image quality and reduced radiation dose.  Aim. This study aims to investigate the relationship between compression force, phantom thickness, image quality and radiation dose. The existence of a compression point beyond which increased compression gives a change in density rather than thickness is also considered. Method. Image quality

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Chan, Victoria O., Shaunagh McDermott, Orla Buckley, et al. "The Relationship of Body Mass Index and Abdominal Fat on the Radiation Dose Received during Routine Computed Tomographic Imaging of the Abdomen and Pelvis." Canadian Association of Radiologists Journal 63, no. 4 (2012): 260–66. http://dx.doi.org/10.1016/j.carj.2011.02.006.

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Purpose To determine the relationship of increasing body mass index (BMI) and abdominal fat on the effective dose acquired from computed tomography (CT) abdomen and pelvis scans. Methods Over 6 months, dose-length product and total milliamp-seconds (mAs) from routine CT abdomen and pelvis scans of 100 patients were recorded. The scans were performed on a 64-slice CT scanner by using an automatic exposure control system. Effective dose (mSv) based on dose-length product, BMI, periumbilical fat thickness, and intra-abdominal fat were documented for each patient. BMI, periumbilical fat thickness,

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Choi, Sung-Sik, Cheong-Hwan Lim, and Sung-Hun Jeoung. "Automatic Exposure Control in Chest Radiography." Medico-Legal Update 19, no. 1 (2019): 713. http://dx.doi.org/10.5958/0974-1283.2019.00125.7.

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Doyle, P., and C. J. Martin. "Calibrating automatic exposure control devices for digital radiography." Physics in Medicine and Biology 51, no. 21 (2006): 5475–85. http://dx.doi.org/10.1088/0031-9155/51/21/006.

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Oh, Kyungmin, Moojae Han, Jinseon Kim, et al. "Flexible X-ray Detector for Automatic Exposure Control in Digital Radiography." Journal of Nanoscience and Nanotechnology 16, no. 11 (2016): 11473–76. http://dx.doi.org/10.1166/jnn.2016.13533.

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Dissertations / Theses on the topic "Automatic exposure control; Computed radiography"

1

Wibowo, Gatot Morti Chavalit Wongse-ek Manus Mongkolsuk. "Factors affecting image quality and entrance skin exposure when using automatic exposure control (AEC) /." Abstract, 2004. http://mulinet3.li.mahidol.ac.th/thesis/2547/cd370/4537449.pdf.

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Osborne, Stephen D. "Automatic Exposure Control During Computed Tomography Scans of the Head: Effects on Dose and Image Quality." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etd/3658.

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Automatic exposure control (AEC) is effective at reducing potentially harmful radiation doses without sacrificing image quality for many types of computed tomography (CT) scans. However, there is a need for more information regarding the use of AEC for CT head scans. This study was conducted at Johnson County Community Hospital in Mountain City, TN. Preexisting adult CT head scans (n)60 were randomly selected to form 2 stratified samples, (n)30 each. One sample used a standard protocol, and the other used a protocol with a mA-modulated AEC system, Siemens CARE Dose 4D. Causal-comparative analy

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Kubo, Takeshi. "Efficiency and reproducibility in pulmonary nodule detection in simulated dose reduction lung CT images." Kyoto University, 2019. http://hdl.handle.net/2433/243276.

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McLeod, Robert William. "An experimental approach to Automatic Exposure Control testing." 2009. http://hdl.handle.net/2440/57898.

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A New Zealand Qualified Health Physicist (QHP) is required, under the Radiation Protection Act of 1965 and the Radiation Protection Regulations 1982, to perform auditing compliance tests on x-ray equipment at regular intervals to ensure that this equipment conforms to the Code of Safe Practice with the use of x-rays. The protocol for these tests must be approved by the National Radiation Laboratory (NRL). One of these test protocols sets out the requirements for the functionality testing of the x-ray machine Automatic Exposure Control (AEC). The current NRL protocol for AEC testing is based on

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Books on the topic "Automatic exposure control; Computed radiography"

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McLean, Donald, and Claire-Louise Chapple. CT dosimetry. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199655212.003.0015.

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The computed tomography (CT) medical examination is the highest single source of radiation to the general public in the developed world. Its use is rapidly growing, as is its technical complexity. The primary dosimetry formalism is based on the computed tomography dose index (CTDI), which can be measured in air or in standard phantoms using a calibrated pencil ionization chamber with adaptations for wide beam scanners. Displayed dose parameters can be used with caution to estimate patient organ doses, effective dose, and risk, using a variety of models and software. An understanding of automat

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Conference papers on the topic "Automatic exposure control; Computed radiography"

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Yang, Chang-Ying Joseph, and Weidong Huang. "Configuration of automatic exposure control on mammography units for computed radiography to match patient dose of screen film systems." In SPIE Medical Imaging, edited by Ehsan Samei and Jiang Hsieh. SPIE, 2009. http://dx.doi.org/10.1117/12.813084.

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Stenner, Philip, and Marc Kachelriess. "Automatic exposure control (AEC) for dual energy computed tomography (DECT)." In 2007 IEEE Nuclear Science Symposium Conference Record. IEEE, 2007. http://dx.doi.org/10.1109/nssmic.2007.4437081.

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Flores, Miguel Angel Neri, Alberto Martinez Villafañe, and Caleb Carreño. "Failure Analysis of Automotive Ultrasonic Parking Sensors." In ISTFA 2016. ASM International, 2016. http://dx.doi.org/10.31399/asm.cp.istfa2016p0237.

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Abstract Automotive ultrasonic parking sensors were analyzed using X- ray computed tomography (XCT or microtomography), in order to determine if there were internal failures generated on the soldering process between copper wires and piezoelectric ceramic on these sensors. This paper reports the use of X-ray radiography and computer image processing for the study of internal defects. By using X-ray tomography technique, pores, cracks, holes, solder balling, insufficient solder, lead related defects, device related defects, and solder bridging may be identified (1-2). When coupled with a real t

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