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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2007 1
2010 1
2011 1
2012 2
2013 2
2017 1
2018 1
2019 2
2021 2
2022 1
2023 1
2024 2

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14 results

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Page 1
Objective image quality assurance in cone-beam CT: Test methods, analysis, and workflow in longitudinal studies.
Johnston A, Mahesh M, Uneri A, Rypinski TA, Boone JM, Siewerdsen JH. Johnston A, et al. Med Phys. 2024 Apr;51(4):2424-2443. doi: 10.1002/mp.16983. Epub 2024 Feb 14. Med Phys. 2024. PMID: 38354310
PURPOSE: To evaluate the feasibility and workflow associated with image quality (IQ) assessment in longitudinal studies for MDCT and CBCT with a single test phantom and semiautomated analysis of objective, quantitative IQ metrology. ...The completeness and co …
PURPOSE: To evaluate the feasibility and workflow associated with image quality (IQ) assessment in longitudinal studies for MDCT and …
Dosimetry tools and techniques for IMRT.
Low DA, Moran JM, Dempsey JF, Dong L, Oldham M. Low DA, et al. Med Phys. 2011 Mar;38(3):1313-38. doi: 10.1118/1.3514120. Med Phys. 2011. PMID: 21520843 Review.
The proper applications of each dosimeter are described along with the limitations of each system. Point detectors, arrays, film, and electronic portal imagers are discussed with respect to their proper use, along with potential applications of 3D dosimetry. ...The …
The proper applications of each dosimeter are described along with the limitations of each system. Point detectors, arrays, film, and electr …
Accuracy of 3D surface scanners for clinical torso and spinal deformity assessment.
Grant CA, Johnston M, Adam CJ, Little JP. Grant CA, et al. Med Eng Phys. 2019 Jan;63:63-71. doi: 10.1016/j.medengphy.2018.11.004. Epub 2018 Nov 20. Med Eng Phys. 2019. PMID: 30467027
This study aimed to quantify the accuracy of commonly available scanners, in assessing posterior asymmetry in AIS. The technique of 3D surface deviation analysis was proposed as a suitable method for comparing the models created by each scanner. ...Rib hump measurem …
This study aimed to quantify the accuracy of commonly available scanners, in assessing posterior asymmetry in AIS. The technique of 3D …
Comparison between stereophotogrammetric, digital, and conventional impression techniques in implant-supported fixed complete arch prostheses: An in vitro study.
Tohme H, Lawand G, Chmielewska M, Makhzoume J. Tohme H, et al. J Prosthet Dent. 2023 Feb;129(2):354-362. doi: 10.1016/j.prosdent.2021.05.006. Epub 2021 Jun 8. J Prosthet Dent. 2023. PMID: 34112521
Three capture techniques were compared: the conventional impression technique (CI group) using impression plaster (IP), the digital intraoral scanning (DIS group) technique, and the stereophotogrammetry (SPG group) technique. A calibrated extraoral scanner was used to digi …
Three capture techniques were compared: the conventional impression technique (CI group) using impression plaster (IP), the digital intraora …
A simple, inexpensive and multi-scale 3-D fluorescent test sample for optical sectioning microscopies.
Olevsko I, Szederkenyi K, Corridon J, Au A, Delhomme B, Bastien T, Fernandes J, Yip C, Oheim M, Salomon A. Olevsko I, et al. Microsc Res Tech. 2021 Nov;84(11):2625-2635. doi: 10.1002/jemt.23813. Epub 2021 May 18. Microsc Res Tech. 2021. PMID: 34008289
For example, users of microscopy core facilities can expect a homogenous and time-invariant illumination and an uniform detection sensitivity, which are prerequisites for imaging analysis, tracking or fluorimetric pH or Ca(2+) -concentration measurements. ...We prov …
For example, users of microscopy core facilities can expect a homogenous and time-invariant illumination and an uniform detection sensitivit …
Quantifying error introduced by iterative closest point image registration.
Sun N, Bull T, Austin R, Bartlett D, O'Toole S. Sun N, et al. J Dent. 2024 Mar;142:104863. doi: 10.1016/j.jdent.2024.104863. Epub 2024 Jan 26. J Dent. 2024. PMID: 38280538 Free article.
OBJECTIVES: The aim of this paper was to quantify the analysis error introduced by iterative closest point (ICP) image registration. ...RESULTS: Using ICP registration introduced errors from 0 % to 15.63 % of the defect size depending on the surface complexity and s …
OBJECTIVES: The aim of this paper was to quantify the analysis error introduced by iterative closest point (ICP) image registr …
Quantification of skin lesions with a 3D stereovision camera system: validation and clinical applications.
Skvara H, Burnett P, Jones J, Duschek N, Plassmann P, Thirion JP. Skvara H, et al. Skin Res Technol. 2013 Feb;19(1):e182-90. doi: 10.1111/j.1600-0846.2012.00625.x. Epub 2012 Jun 20. Skin Res Technol. 2013. PMID: 22716298 Clinical Trial.
METHODS: Absolute and relative geometric 3D measurements were validated with a static imaging phantom manufactured by a metrology institution and a dynamic imaging phantom adjustable for different volume quantities, respectively. Consecutively, in a cl …
METHODS: Absolute and relative geometric 3D measurements were validated with a static imaging phantom manufactured by a met …
Assessment of residual coronal tooth structure postendodontic cavity preparation using digital dental impressions and micro-computed tomography.
Al-Nuaimi N, Patel S, Foschi F, Mannocci F, Austin RS. Al-Nuaimi N, et al. Int J Comput Dent. 2017;20(4):377-392. Int J Comput Dent. 2017. PMID: 29292412
Comparisons of volumetric accuracy and 3D profilometric deviations were performed using surface metrology software. ...There was a statistically significant difference in the volumetric measurements obtained from the IOS scanner and both HiResCT and LoResCT scans (P …
Comparisons of volumetric accuracy and 3D profilometric deviations were performed using surface metrology software. ...There w …
Quantifying the Influence of Surface Texture and Shape on Structure from Motion 3D Reconstructions.
Nielsen MS, Nikolov I, Kruse EK, Garnæs J, Madsen CB. Nielsen MS, et al. Sensors (Basel). 2022 Dec 24;23(1):178. doi: 10.3390/s23010178. Sensors (Basel). 2022. PMID: 36616776 Free PMC article.
For the SfM measurements, the ContextCapture software solution and a 50 Mpx DSLR camera are used. The findings are compared to results using calibrated optical microscopes. The results show that the proposed pipeline can be used for investigating the influence of texture o …
For the SfM measurements, the ContextCapture software solution and a 50 Mpx DSLR camera are used. The findings are compared to results using …
UNCERTAINTY OF MEASUREMENT IN THE RESPONSE TEST OF A THYROID MONITOR.
Yunoki A. Yunoki A. Radiat Prot Dosimetry. 2019 Oct 1;184(3-4):531-534. doi: 10.1093/rpd/ncz117. Radiat Prot Dosimetry. 2019. PMID: 31089717
A test device consisting of an I-131 source, a phantom on a 3D moving table, and a NaI(Tl) scintillation detector on a fixed flat table was developed to carry out response tests of a thyroid monitor. ...The estimated relative standard uncertainty of measurement at a source …
A test device consisting of an I-131 source, a phantom on a 3D moving table, and a NaI(Tl) scintillation detector on a fixed flat tab …
14 results