Relevant bibliographies by topics / Radiographic measurement

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Radiographic measurement'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Radiographic measurement"

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Foss, O. A., J. Klaksvik, P. Benum, and S. Anda. "Pelvic rotations: a pelvic phantom study." Acta Radiologica 48, no. 6 (July 2007): 650–57. http://dx.doi.org/10.1080/02841850701326941.

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Background: Radiographic measurements made on standard pelvic radiographs are commonly used in studying conditions related to the hip joints. Effects caused by variations in pelvic orientation may be a source of error in comparing measurements between sequential radiographs. Purpose: To define and characterize parameters able to measure rotational differences separately around two axes and altered radiographic focusing along two axes when sequential standard anteroposterior (AP) pelvic radiographs are compared. Material and Methods: A pelvic phantom was constructed based on direct three-dimensional measurements of five defined landmarks in a pelvic model. Two ratios, the vertical and transversal rotation ratios, were defined using radiographs of the phantom. The phantom was radiographed in 33 different orientations and with 16 different radiographic focuses using a specially constructed tilt table. On each radiograph, measurements were made and the two rotation ratios were calculated using a measurement program. Results: Linear correlations between pelvic rotations around one axis and the corresponding rotation ratio were found with almost no influence of simultaneous rotation around the other axis. Also, linear correlations were found between altered radiographic focusing along one axis and the non-corresponding rotation ratio. Conclusion: Rotational differences around two axes or altered radiographic focusing along two axes can be measured independently. Effects caused by rotations cannot be distinguished from effects caused by altered radiographic focusing.
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Kitai, Noriyuki, Yousuke Mukai, Manabu Murabayashi, Atsushi Kawabata, Kaei Washino, Masato Matsuoka, Ichirou Shimizu, and Akitoshi Katsumata. "Measurement accuracy with a new dental panoramic radiographic technique based on tomosynthesis." Angle Orthodontist 83, no. 1 (May 21, 2012): 117–26. http://dx.doi.org/10.2319/020412-100.1.

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Abstract Objective: To investigate measurement errors and head positioning effects on radiographs made with new dental panoramic radiograph equipment that uses tomosynthesis. Materials and Methods: Radiographic images of a simulated human head or phantom were made at standard head positions using the new dental panoramic radiograph equipment. Measurement errors were evaluated by comparing with the true values. The phantom was also radiographed at various alternative head positions. Significant differences between measurement values at standard and alternative head positions were evaluated. Magnification ratios of the dimensions at standard and alternative head positions were calculated. Results: The measurement errors were small for all dimensions. On the measurements at 4-mm displacement positions, no dimension was significantly different from the standard value, and all dimensions were within ±5% of the standard values. At 12-mm displacement positions, the magnification ratios for tooth length and mandibular ramus height were within ±5% of the standard values, but those for dental arch width, mandibular width, and mandibular body length were beyond ±5% of the standard values. Conclusions: Measurement errors on radiographs made using the new panoramic radiograph equipment were small in any direction. At 4-mm head displacement positions, no head positioning effect on the measurements was found. At 12-mm head displacement positions, the measurements for vertical dimensions were little affected by head positioning, while those for lateral and anteroposterior dimensions were strongly affected.
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Cook, J., M. Helphrey, D. Crouch, D. Fox, L. Schultz, C. Cook, J. Kunkel, and J. Headrick. "A novel radiographic method to facilitate measurement of the tibial plateau angle in dogs." Veterinary and Comparative Orthopaedics and Traumatology 20, no. 01 (2007): 24–28. http://dx.doi.org/10.1055/s-0037-1616583.

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SummaryThe tibial plateau levelling osteotomy (TPLO) is commonly performed for treatment of cranial cruciate ligament deficiency in dogs. In order to be performed as described, this procedure relies on consistent measurement of the tibial plateau angle (TPA) on radiographs. This prospective study compared two radiographic methods for subsequent TPA measurement with respect to measured angle and ease of determining landmarks for measurement as determined by four observers. One method was the accepted standard radiographic protocol outlined in the TPLO training seminars. The other method involved a novel split image radiographic protocol not yet described in the literature. Participants' subjective scores as to ease of identifying landmarks and determining TPA on radiographs for each method were evaluated. Inter-observer TPA measurement variability was also assessed for each method. The novel radiographic method was judged to be significantly better in terms of ease of measuring TPA. Inter-observer measurement variability was considered appropriate for recommending use of this novel method for radiographing patients for TPA measurements.
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Andrade, C. R., B. W. Minto, R. M. Dreibi, L. M. I. Diogo, T. A. S. S. Rocha, F. Y. K. Kawamoto, G. G. Franco, R. A. R. Uscategui, and L. G. G. G. Dias. "Comparison of radiographic and tomographic evaluations for measurement of the Canal Flare Index in dogs." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 73, no. 3 (May 2021): 571–82. http://dx.doi.org/10.1590/1678-4162-11987.

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ABSTRACT The outcome of total hip arthroplasty (THA) in dogs is directly related to surgical planning. Templating of radiographs prior to THA should help the surgeon anticipate prosthesis size and femoral shape allowing canal fill of the proximal metaphysis by the implant ensuring primary stable fixation. The canal flare index (CFI) obtained from radiograph has been used as a measure of risk of complications for the technique in human beings and dogs. However, standard radiographs only provide limited data for the selection of cementless prostheses and the assessment of their fit within the femoral canal, due to factors like radiographic magnification and femoral rotation. Therefore, three-dimensional evaluation based on computed tomography (CT) may be a better tool for CFI measurement. The aim of this study was to compare anatomical measurement with CFI values obtained from craniocaudal radiography and CT. Craniocaudal radiographs using a horizontal radiographic beam (CR), CT, and anatomical macroscopic measurements (A) were obtained from 45 femurs from 23 canine cadavers. The differences between the values of CFI obtained from radiograph (CFI-R), computed tomography on transverse (CFI- TT) and longitudinal axis (CFI-TL) compared to the CFI obtained from macroscopic measurements - gold standard - (CFI-A), and 95% limits of agreement (LOA) between the values, were evaluated by the Bland-Altman method. Dimensions obtained from CT techniques had a greatest mean difference from anatomical and CFI values were also different (P=0.032). Under the experimental conditions, the craniocaudal radiograph, provided the most accurate measurement of the CFI (mean difference: 0.087 ± 0.42).
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Younger, Alastair S., Bonita Sawatzky, and Peter Dryden. "Radiographic Assessment of Adult Flatfoot." Foot & Ankle International 26, no. 10 (October 2005): 820–25. http://dx.doi.org/10.1177/107110070502601006.

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Background: The accurate measurement of flatfoot on standing radiographs allows correct diagnosis of the condition and evaluation of reconstructive procedures. Method: The standing radiographic measurements of patients with symptomatic, adult flatfoot were compared to controls using blinded observers. Results: On the lateral radiograph, the talar-to-first metatarsal angle, the calcaneal pitch angle, and the medial cuneiform-fifth metatarsal height differed significantly between the patient group and the controls. The difference in the talar-to-first metatarsal angles on lateral radiographs was the most statistically significant (patient group 21.1 ±10.8 degrees and control 7.1 ± 10.7 degrees, p < 0.0001) with good correlation between readings (intraobserver 0.75, interobserver 0.83). On the anteroposterior (AP) radiograph, the talar head uncoverage distance was the most significantly different measurement between these groups. Conclusions: These findings support the hypothesis that the talar-first metatarsal angle is an accurate radiographic identifier of patients with symptomatic, adult flatfoot.
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Heaven, T. J., A. R. Firestone, and F. F. Feagin. "Quantitative Radiographic Measurement of Dentinal Lesions." Journal of Dental Research 69, no. 1 (January 1990): 51–54. http://dx.doi.org/10.1177/00220345900690010801.

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The purpose of this investigation was the comparison of the precision and accuracy of two reference ramp techniques for the quantification of radiographic density changes in teeth. Radiographs (65 kVp, 10 ma, 1 s, and intra-oral ultraspeed film) of transverse sections from extracted permanent human molars were made before and after dentinal lesions were created. Each radiograph contained the image of a tooth section and the aluminum reference ramp. Method A used the image of the ramp on both the before- and after-lesion radiographs, and method B used the image of the ramp only on the before-lesion radiograph. Three groups of lesions (0.525-mm diameter, n = 11; 0.675-mm diameter, n = 9; and the 0.525-mm holes enlarged to 0.675 mm) were measured radiographically by each technique and by direct planimetry of the lesions. Radiographic method B produced results in close agreement with the planimetric measurements. Method B differentiated (p<0.05) between groups that had a mean planimetric size difference of 0.10 mm (equivalent to a change in density difference of 0.6%). These density change measurements are in absolute units of mm of aluminum that can be compared between lesions and between samples. This technique may prove useful for the quantification of changes in mineral density of caries lesions detectable in longitudinal radiographic records.
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Harper, T. A. M., O. I. Lanz, G. B. Daniel, S. R. Werre, and K. S. Aulakh. "Effect of stifle angle on the magnitude of the tibial plateau angle measurement in dogs with intact and transected cranial cruciate ligament." Veterinary and Comparative Orthopaedics and Traumatology 24, no. 04 (2011): 272–78. http://dx.doi.org/10.3415/vcot-10-09-0131.

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SummaryObjective: To determine the effect of stifle angle on the magnitude of the radiographic tibial plateau angle (TPA) in normal and cranial cruciate ligament (CCL) -deficient stifles.Methods: Three pairs of canine cadaver hind-limbs from three skeletally mature dogs were positioned in a custom-made positioning device. A lateral radiograph of each specimen was obtained before and after transection of the CCL at four stifle angles (90°, 110°, 135° and 140–150° [i.e. maximum extension]), based on goniometric measurements. Four observers determined the radiographic TPA twice for each radiograph with a minimum of two days between each measurement. The radiographic TPA measurements in all specimens at different stifle angles with intact CCL and transected CCL were compared with mixed-model ANOVA. The effect of stifle angle, CCL transection, and interaction between the two on observer TPA measurement variability was also determined using the coefficient of variation.Results: Tibial plateau angle was not statistically different in the stifle angles for either the intact or transected CCL. There was also no statistical difference for TPA between intact and transected CCL groups at each of the stifle angles. Stifle angle, CCL transection and interaction between the two did not have any significant effect for intra-observer and inter-observer variation.Clinical significance: The angle of the stifle during radiography does not influence the magnitude of the TPA measurement as determined on true lateral radiographs of the stifle and tibia in cadaveric canine limbs.
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Reina-Bueno, Maria, Guillermo Lafuente-Sotillos, Jose M. Castillo-Lopez, Estela Gomez-Aguilar, and Pedro V. Munuera-Martinez. "Radiographic Assessment of Lower-Limb Discrepancy." Journal of the American Podiatric Medical Association 107, no. 5 (September 1, 2017): 393–98. http://dx.doi.org/10.7547/15-204.

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Background: This study compares different lower-limb length measurements using tests of lower-limb upright full-length radiography and anteroposterior radiography of load-bearing hips. Methods: Forty-seven consecutive individuals aged 17 to 61 years (mean ± SD, 31.47 ± 11.42 years) voluntarily took part in the study; 23 (48.9%) were women and 24 (51.1%) were men. All individuals presenting a difference of 5 mm or greater between both lower limbs quantified with a tape measure were included. All of the participants signed an informed consent form to take part in the study. Two anteroposterior load-bearing radiographs were taken: one of the hip and an upright full-length radiograph of the lower limbs. Lower-limb–length discrepancy was quantified by taking different reference points. Interobserver and intraobserver reliability was assessed for each radiographic measurement. Any correlation between the different measurements were also verified. Results: Interobserver and intraobserver reliability was high for all of the measurements because the intraclass correlation was greater than 0.75 in all of the cases. There was a strong and positive correlation between the different measurements because when performing bivariate correlations with the Pearson correlation coefficient, positive values close to 1 were found. Conclusions: In this study, the different reference points reported in the upright full-length radiograph in addition to the hip radiographs are useful for assessing lower-limb–length discrepancy. The results showed that there is a correct correlation between the different measurements.
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Johnson, Kryssa L., Erin G. Porter, and Clifford R. Berry. "Analysis of feline splenic radiographic measurements and their correlation to ultrasonographic measurements." Journal of Feline Medicine and Surgery 19, no. 10 (September 12, 2016): 985–91. http://dx.doi.org/10.1177/1098612x16667440.

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Objectives The purpose of this study was to establish a method for feline splenic measurement on abdominal radiographs and evaluate for correlation between the radiographic measurements and ultrasonographic measurements. Methods One hundred cats with normal abdominal radiographs and ultrasound (US) studies of the spleen were evaluated. The hypothesis was that the measurement of the spleen on the radiographs would correlate with the measurement of the spleen on US. The radiographic and ultrasonographic measurements were tabulated and compared using linear regression and t-tests using unequal variances. Results The measurement of the spleen on the ventrodorsal projection was characterized as one of three shapes (A, B or C), and thereby based on the thickest part of the spleen (when corrected for radiographic magnification: A = 9.9 ± 2.2 mm; B = 8.1 ± 1.8 mm; C = 8.0 ± 2.3 mm). There were 48 cats where the head of the spleenwas seen on the right lateral (n = 10), the left lateral (n = 24) or both (n = 14) projections. On one left lateral, both the head and tail of the spleen were seen. There was weak correlation between the radiographic and US measurements(R ⩼0.6). Splenic thickness of shape A on the ventrodorsal projection was significantly greater than categories B and C. Conclusions and relevance Radiographic measurement of the spleen is not a reliable indicator of its ultrasonographic measurement. The ultrasonographic measurements seen in this study (mean of 8.0 ± 1.6 mm) were similar to measurements of the spleen reported in previous studies. It is rare to see the tail of the spleen on lateral feline abdominal radiographs.
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Peck, Jeffrey, Armando Villamil, Kara Fiore, Cheryl Tano, and Jessica Leasure. "Inter- and intra-observer variability of radiography and computed tomography for evaluation of Zurich cementless acetabular cup placement ex vivo." Veterinary and Comparative Orthopaedics and Traumatology 29, no. 06 (November 2016): 507–14. http://dx.doi.org/10.3415/vcot-16-05-0068.

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SummaryObjective: To evaluate the inter- and intra-observer variability in measurement of the angle of lateral opening (ALO) and version angle measurement using digital radiography and computed tomography (CT).Methods: Each hemipelvis was implanted with a cementless acetabular cup. Ventrodorsal and mediolateral radiographs were made of each pelvis, followed by CT imaging. After removal of the first cup, the pelves were implanted with an acetabular cup in the contra-lateral acetabulum and imaging was repeated. Three surgeons measured the ALO and version angles three times for each cup from the mediolateral radiographic projection. The same measurements were made using three-dimensional multiplanar reconstructions from CT images. Two anatomical axes were used to measure pelvic inclination in the sagittal plane, resulting in six measurements per cup. Two-way repeated measures analysis of variance evaluated inter- and intra-observer repeatability for radiographic and CT-based measurements.Results: Version angle based on radio-graphic measurement did not differ within surgeons (p = 0.433), but differed between surgeons (p <0.001). Radiographic measurement of ALO differed within surgeons (p = 0.006) but not between surgeons (p = 0.989). The ALO and version angle measured on CT images did not differ with or between surgeons.Clinical significance: Assessment of inter-and intra-observer measurement of ALO and version angle was more reproducible using CT images than conventional mediolateral radiography for a Zurich cementless acetabular cup.
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Dissertations / Theses on the topic "Radiographic measurement"

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Bowen, Amber Jean. "Bone Density Measurement via Radiographic Calibration." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/341.

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Musculoskeletal injuries are the most common injuries sustained by athletes and military recruits and can result in decreased performance and lifelong disability. So common and costly are these injuries that the American Academy of Orthopedic Surgeons has provided guidelines for future research, including recommendations for the development of a large animal model of bone injury (USDA 2001). In human and veterinary medicine, digital radiography represents the primary diagnostic tool the physician uses to diagnose skeletal injury. Advances in digital radiography have provided the veterinarian with opportunities to make both simple and complex radiographic assessments. We investigated a simple quantitative measurement of the solar, concave aspect of the distal phalanx in the horse, termed the Palmar-Metric (PM). The PM was a significant predictor of solar cup volume (p < 0.001) and negatively correlated with age (r2 = 0.28, p < 0.05) as determined from 544 radiographs of the distal phalanx from the left and right front feet. Therefore, veterinarians should be aware of the age related change in the solar, concave aspect of the distal phalanx in the horse. We hypothesized that the decrease in the degree of concavity with age may be due to demineralization and subsequent loss of bone density along the solar margin of the distal phalanx. Therefore, we investigated the quantification of optical bone density (bone OD) via complex radiographic calibration. By developing a brightness/darkness index (BDI), the greyscale of radiographs, calibrated with an aluminum marker of varying known thickness, can be compared to the average density of a cross-section of bone. At varying radiographic exposure intensity (kV) and exposure time (mAs), Al BDI was a significant predictor of bone BDI (r2 = 0.960, p < 0.001) and bone OD (r2 = 0.971, p < 0.001). This method of calibration can be utilized by the radiologist to accurately assess bone OD regardless of technique, and allow direct comparison of radiographs taken under different exposure settings. This method successfully quantifies bone OD via measurement of BDI from standardized digital radiographs, allowing for the opacity of radiographs to be truly comparable when taken under different circumstances.
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Drangsholt, Mark Thomas. "Measurement of lifetime dental radiographic radiation exposure to the cranial meninges /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10904.

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Skipper, Julie A. "Feasibility of Radiographic Absorptiometry of the Mandible as an Osteoporosis Screening Method." Wright State University / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=wright1057695994.

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Machado, Sydney M. "Single-plane radiographic measurement of mobile-bearing knee motion using an unknown distribution of markers." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015920.

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Ji, Xiang. "The association of variations in hip and pelvic geometry with pregnancy-related sacroiliac joint pain based on a longitudinal analysis." Kyoto University, 2019. http://hdl.handle.net/2433/242658.

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Irving, Benjamin. "Radiation dose measurement and prediction for linear slit scanning radiography." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/3251.

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This study describes dose measurements made for linear slit scanning radiography (LSSR) and a dose prediction model that was developed for LSSR. The measurement and calculation methods used for determining entrance dose and effective dose (E) in conventional X-ray imaging systems were verified for use with LSSR. Entrance dose and E were obtained for LSSR and compared to dose measurements on conventional radiography units. Entrance dose measurements were made using an ionisation chamber and dosemeter; E was calculated from these entrance dose measurements using a Monte Carlo simulator. Comparisons with data from around the world showed that for most examinations the doses obtained for LSSR were considerably lower than those of conventional radiography units for the same image quality. Reasons for the low dose obtained with LSSR include scatter reduction and the beam geometry of LSSR. These results have been published as two papers in international peer reviewed journals. A new method to calculate entrance dose and effective dose for LSSR is described in the second part of this report. This method generates the energy spectrum for a particular set of technique factors, simulates a filter through which the beam is attenuated and then calculates entrance dose directly from this energy spectrum. The energy spectrum is then combined with previously generated organ energy absorption data for a standard sized patient to calculate effective dose to a standard sized patient.Energy imparted for different patient thicknesses can then be used to adjust the effective dose to a patient of any size. This method is performed for a large number of slit beams moving across the body in order to more effectively simulate LSSR. This also allows examinations with technique factors that vary for different parts of the anatomy to be simulated. This method was tested against measured data and Monte Carlo simulations. This model was shown to be accurate, while being specifically suited to LSSR and being considerably faster than Monte Carlo simulations.
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Moreau, Michel. "Development of novel radiographic techniques for in vitro tissue composition and thickness measurements." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21307.pdf.

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Brygoo, Stephanie. "X-ray lateral migration radiography non destructive flaw detection measurements and simulations." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE1000110.

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Thesis (M.S.)--University of Florida, 2002.
Title from title page of source document. Document formatted into pages; contains xii, 91 p.; also contains graphics. Includes vita. Includes bibliographical references.
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Ward, Rupert John. "Assessment of radiographic tibio-femoral joint space width measurements : reproducibility and practicability for clinical trials in osteoarthritis." Thesis, King's College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412291.

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Daniels, Graham Clinton. "Observing flow using fast neutron radiography and positron emission particle tracking." Doctoral thesis, Faculty of Science, 2021. http://hdl.handle.net/11427/33606.

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Dynamic flow of material has been studied using fast neutron radiography (FNR) and positron emission particle tracking (PEPT). A new fast neutron imaging system was commissioned at The South African Nuclear Energy Corporation, Pretoria, as part of this study, although FNR measurements were ultimately performed at PhysikalischTechnische Bundesanstalt (PTB), Braunschweig. The PEPT studies were undertaken at the PEPT Cape Town facility located at iThemba LABS, Cape Town. The steady state motion of media, within a laboratory-scale tumbling mill, was studied for a range of speed and media mixes, using both FNR and PEPT. Several operational parameters were derived from the data, which could be related to potential improvements to the milling efficiency. The blending of FNR and PEPT data for the study of steady state flow, was explored for the first time. In addition, the flow of water through porous media was studied using FNR, which enabled the determination of the hydraulic conductivity, and hence intrinsic permeability, of the media within the column. The potential of using FNR, without or without PEPT, for the study of material in motion is discussed.
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Books on the topic "Radiographic measurement"

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Rosenberg, Robert D. Radiographic measurements. Philadelphia: Lippincott, 1989.

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Nicholson, Patrick Henry Fisher. The radiographic, mechanical and ultrasonic measurement of human vertebral bone. Birmingham: University of Birmingham, 1994.

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Pakota, Garnet Victor. A study of the problem of scattered x-rays in bone mineral measurement in the jaws using radiographic videodensitometry. [Toronto]: Faculty of Dentistry, University of Toronto, 1986.

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Domanus, J. C. Dimensional measurements for neutron radiographs. Roskilde: Riso Library, 1989.

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Atlas of roentgenographic measurement. 6th ed. Saint Louis: Mosby Year Book, 1990.

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1922-, Lusted Lee B., and Teates Charles D, eds. Atlas of roentgenographic measurement. 5th ed. Chicago: Year Book Medical Publishers, 1985.

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Hans, Ringertz, ed. Measurements in pediatric radiology. London: Springer-Verlag, 1991.

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Davies, Karen Elizabeth. Feasibility of using computer-assisted measurements of radiographs to evaluate totalelbow replacement. Manchester: University of Manchester, 1994.

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Hiles, P. A. Measurement of the performance characteristics of diagnostic X-ray systems used in medicine. 2nd ed. York: Institution of Physics and Engineering in Medicine and Biology, 1996.

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A clinical atlas of roentgenographic measurements in norma frontalis. New York: Liss, 1990.

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Book chapters on the topic "Radiographic measurement"

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Horsman, A. "Bone Measurement by Conventional Radiographic Techniques." In Imaging Techniques in Orthopaedics, 243–49. London: Springer London, 1989. http://dx.doi.org/10.1007/978-1-4471-1640-0_17.

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Doi, Kunio. "Basic Imaging Properties of Radiographic Systems and Their Measurement." In Progress in Medical Radiation Physics, 181–248. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2387-7_6.

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Jaramaz, Branislav, Constantinos Nikou, Timothy J. Levison, Anthony M. DiGioia, and Richard S. LaBarca. "CupAlign: Computer-Assisted Postoperative Radiographic Measurement of Acetabular Components Following Total Hip Arthroplasty." In Medical Image Computing and Computer-Assisted Intervention – MICCAI’99, 876–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/10704282_95.

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Sharma, Sunil Dutt, Reena Sharma, Ujjwala Mulchandani, A. Chabey, G. Chourasia, and Y. S. Mayya. "Measurement of Entrance Skin Dose for Diagnostic X-ray Radiographic Examinations and Establishment of Local Diagnostic Reference Levels." In IFMBE Proceedings, 860–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-29305-4_226.

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Hughes, Eric, Prudencia N. M. Tyrrell, and Victor N. Cassar-Pullicino. "The Radiograph." In Measurements in Musculoskeletal Radiology, 3–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-540-68897-6_1.

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Jamet, F. "Flash Radiography." In Fast Electrical and Optical Measurements, 845–61. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-017-0445-8_32.

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Pettersson, Holger, and Hans Ringertz. "UT12 Bladder capacity/L1–L3 [radiography] Bladder proportions [radiography]." In Measurements in Pediatric Radiology, 168–69. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1844-2_75.

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Srinivasan, Sivasubramanian, and Wilfred C. G. Peh. "Radiography in Osteoporosis." In Osteoporosis and Bone Densitometry Measurements, 15–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/174_2012_728.

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Pettersson, Holger, and Hans Ringertz. "UT11 Ureteral diameter/L1–L3 [radiography] Ureteral diameter/age [radiography]." In Measurements in Pediatric Radiology, 166–67. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1844-2_74.

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Pettersson, Holger, and Hans Ringertz. "EX1 Carpal length [radiography]." In Measurements in Pediatric Radiology, 60–62. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1844-2_27.

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Conference papers on the topic "Radiographic measurement"

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Gao, Yi, and Zhong Zhang. "Radiographic X-Ray Spot Size Measurement With Bread Piece." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29606.

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The principle of radiographic X-ray spot size measurement with Bread piece was presented. The output responses of the Bread piece for uniformly-distributed X-ray sources are calculated numerically. The relationship between FWHM of the response curve and the spot size is obtained. Preliminary experiments were performed on the inductive voltage adder (IVA), and the Bread piece is used to measure the axial spot size of the rod-pinch diode (RPD) radiographic source. Under the hypothesis of uniformly-distributed line source, the axial spot size value is obtained, consistent with the measuring result of the pinhole camera, verifying the applicability of the Bread piece for radiographic X-ray spot size measurement.
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Sun, L. W., Zhengyi Yang, R. Y. Lee, W. Lu, and K. D. K. Luk. "Automatic Measurement of Intervertebral Movements Using Radiographic Images." In 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. IEEE, 2005. http://dx.doi.org/10.1109/iembs.2005.1617156.

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McCuistian, Brian T., Evan Rose, Dave Moir, Howard Bender, Carl Carlson, and Craig Hollabaugh. "Spot size measurement of the DARHT First Axis radiographic source." In 2008 IEEE 35th International Conference on Plasma Science (ICOPS). IEEE, 2008. http://dx.doi.org/10.1109/plasma.2008.4591069.

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Zhou, Zhongxing, Feng Gao, Huijuan Zhao, Lixin Zhang, and GuoHui Li. "A novel method for MTF measurement of digital radiographic systems." In 2011 4th International Conference on Biomedical Engineering and Informatics (BMEI). IEEE, 2011. http://dx.doi.org/10.1109/bmei.2011.6098284.

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Gehring, A., M. Espy, T. Burris-Mog, C. Gautier, T. Haines, D. Moir, and R. Shurter. "Measurement of intense continuous and flash radiographic sources with Compton spectrometers." In 2017 IEEE 21st International Conference on Pulsed Power (PPC). IEEE, 2017. http://dx.doi.org/10.1109/ppc.2017.8291309.

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Chapleau, Julien, Pierre-Yves Lagace, Fanny Canet, Nicola Hagemeister, and Dominique Rouleau. "Does malpositioning of the arm influence radiographic range of motion measurement?" In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2014. http://dx.doi.org/10.1109/embc.2014.6944778.

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Shiraga, Hiroyuki, Hiroshi Azechi, Mitsuo Nakai, Keisuke Shigemori, Masaharu Nishikino, Tatsuhiro Sakaiya, Shinsuke Fujioka, Yohei Tamari, and Tatsuhiko Yamanaka. "High-speed x-ray radiographic measurement of laser-driven hydrodynamic instability." In 25th international Congress on High-Speed photography and Photonics, edited by Claude Cavailler, Graham P. Haddleton, and Manfred Hugenschmidt. SPIE, 2003. http://dx.doi.org/10.1117/12.516778.

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Liu, Shu H., Ju Ding, and Jian F. Zhang. "Research on Digital Radiographic Inspection of In-Service Fiber Reinforced Plastic Pipe." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21092.

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Abstract With the development of material technology, non-metallic materials are applied to pressure pipes in petrochemical plant. Fiber reinforced plastic (FRP) is widely used because high mechanical strength and corrosion resistance. The non-metallic pipeline has been running for more than 20 years in petrochemical plant of China. Due to the fiber material anisotropy, it is difficult to measure thickness and detect defect by conventional ultrasonic method in FRP inspection. According to Chinese pressure pipeline inspection laws and regulations, the main inspection methods are macroscopic examination and hydraulic pressure test. The inspection of non-metallic pipelines has not been specified in detail. Compared with traditional radiographic detection, digital radiographic detection has better contrast and image processing technology, so digital radiographic detection has more advantages in thickness measurement and corrosion detection. Elbows are most prone to corrosion defects due to fluid erosion. In this paper, fiber reinforced plastic pipe is detected by digital radiographic technology. In digital radiographic detection, appropriate parameters and accurate measurement are proposed. The accurate wall thickness of the pipe is obtained and the internal defects are detected. By comparing the measurement results with the actual wall thickness, the measurement accuracy of digital radiographic detection could meet the requirement of ultrasonic thickness gauge in NB/T47013.3. Digital radiographic technology is strongly recommended for FRP pipeline periodic inspection.
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Veronese, Elisa, Mattia Veronese, Stefano Sivolella, and Enrico Grisan. "A radiographic-based method for marginal bone loss measurement in dental implants." In 2013 IEEE 10th International Symposium on Biomedical Imaging (ISBI 2013). IEEE, 2013. http://dx.doi.org/10.1109/isbi.2013.6556429.

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Acree, Robert L., John E. Heebner, Matthew A. Prantil, John M. Halpin, Tracy S. Budge, Lyudmila A. Novikova, Ron Sigurdsson, and Larry J. Pelz. "Pulse contrast measurement on the NIF Advanced Radiographic Capability (ARC) laser system." In SPIE LASE, edited by Abdul A. S. Awwal. SPIE, 2017. http://dx.doi.org/10.1117/12.2257576.

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Reports on the topic "Radiographic measurement"

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Michael J. Longo. Proton Radiography: Cross Section Measurements and Detector Development. Office of Scientific and Technical Information (OSTI), December 2003. http://dx.doi.org/10.2172/820706.

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Longo, Michael J., H. Richard Gustafson, Durga Rajaram, and Turgun Nigmanov. FINAL SCIENTIFIC REPORT - PROTON RADIOGRAPHY: CROSS SECTION MEASUREMENTS AND DETECTOR DEVELOPMENT. Office of Scientific and Technical Information (OSTI), May 2007. http://dx.doi.org/10.2172/903282.

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Kalantar, D. H., L. B. DaSilva, and S. Glendinning. Measurements of laser imprint by XUV radiography using an x-ray laser. Office of Scientific and Technical Information (OSTI), May 1996. http://dx.doi.org/10.2172/249256.

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Michael J. Longo. Annual Scientific Report 2004-2005 Proton Radiography: Cross Section Measurements and Detector Development. Office of Scientific and Technical Information (OSTI), March 2005. http://dx.doi.org/10.2172/839274.

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Schumaker, S. A., Stephen A. Danczyk, Malissa D. Lightfoot, and Alan L. Kastengren. Interpretation of Core Length in Shear Coaxial Rocket Injectors from X-ray Radiography Measurements. Fort Belvoir, VA: Defense Technical Information Center, June 2014. http://dx.doi.org/10.21236/ada611313.

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Kalantar, D. H., M. H. Key, and L. B. DaSilva. Measurements of direct drive laser imprint in thin foils by XUV radiography using an X-ray laser backlighter. Office of Scientific and Technical Information (OSTI), November 1996. http://dx.doi.org/10.2172/464293.

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Dietrich, F. S. ,. LLNL, and James, M. Hall. Report on measurements at Ohio University to estimate backgrounds for neutron radiography in the 10-14 MeV region. Office of Scientific and Technical Information (OSTI), May 1997. http://dx.doi.org/10.2172/16133.

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Kalantar, D. H., A. Demir, and M. H. Key. XUV radiography measurements of direct drive imprint in thin aluminum foils using a Ge x-ray laser on Vulcan. Office of Scientific and Technical Information (OSTI), March 1996. http://dx.doi.org/10.2172/236216.

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