Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Turan Olgar"'
Publikováno v:
Journal of Medical Physics, Vol 41, Iss 1, Pp 21-28 (2016)
Antiscatter grids improve the X-ray image contrast at a cost of patient radiation doses. The choice of appropriate grid or its removal requires a good knowledge of grid characteristics, especially for pediatric digital imaging. The aim of this work i
Externí odkaz:
https://doaj.org/article/1b837263e793424d8653f00f7aaf4db9
Autor:
Onur, Erdem, Musa, Ay, Asena, Yalcin, Sadık, Bilgic, Umman, Sanlıdilek, Basri, Amasyalı, Tanzer, Sancak, Turan, Olgar
Publikováno v:
Radiation Protection Dosimetry. 198:158-166
This study aims to determine the radiation doses of patients and staff during different interventional radiology and cardiology examinations. Dose measurements for interventional radiology examinations were performed in Ibn-i Sina Hospital of Ankara
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ee15f75d6e1e7416f1c0c6e6a223f94
https://doi.org/10.1093/rpd/ncac006
https://doi.org/10.1093/rpd/ncac006
Publikováno v:
Medical Physics. 47:3935-3944
Purpose: The aim of this paper was to investigate the relationship between the physical and subjective (observer) image quality metrics in digital chest radiography. Methods: Five digital radiography systems, four with indirect flat panel detector an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::285d9cab30e7e8e6faf378368fccd2fb
https://doi.org/10.1002/mp.14244
https://doi.org/10.1002/mp.14244
Objectives In this study, the effect of different dental implant materials on dose distribution in head and neck cancer radiotherapy planning was investigated in a real human dry-skull taken from cadaver. Methods The effect of Root-shaped Yttrium (Y)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cfa52aa313c8294da6c7fc400cdeff4
https://avesis.gazi.edu.tr/publication/details/3c3087fe-e991-4992-aa2c-4f2736dafb2a/oai
https://avesis.gazi.edu.tr/publication/details/3c3087fe-e991-4992-aa2c-4f2736dafb2a/oai
Autor:
Ahmet Guven, Asena Yalcin, Doğan Bor, Turan Olgar, Solen Yuksel, Ozlem Birgul, Nicholas Marshall, Aziz Rasim Yusuf
Publikováno v:
Radiation Physics and Chemistry. 156:6-14
The aim of this study was to characterize SNR transfer ability of a digital radiographic system for patient equivalent thicknesses that cover a wide range of clinical examinations Detector MTF, NNPS and DQE measured for different beam qualities using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::127b1a3ec283cdc5caed7ee0750251bb
https://doi.org/10.1016/j.radphyschem.2018.10.010
https://doi.org/10.1016/j.radphyschem.2018.10.010
Autor:
Asena Yalcin, Turan Olgar
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 896:113-121
The aim of this study was to assess the performance of a digital radiography system in terms of effective detective quantum efficiency (eDQE) for different tube voltages, polymethyl methacrylate (PMMA) phantom thicknesses and different grid types. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37ab4ff3e1d3373b6628dc4022bbcb83
https://doi.org/10.1016/j.nima.2018.04.013
https://doi.org/10.1016/j.nima.2018.04.013
Autor:
Turan Olgar, T Sahmaran
Publikováno v:
Radiation Protection Dosimetry. 176:302-308
Pediatric patients are more sensitive to ionizing radiation when compared with adults. The aim of this study was to evaluate the radiation doses for some common pediatric x-ray examinations performed with various digital radiography systems. Quality
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e72bd3cffd5eea35737d4c8958760095
https://doi.org/10.1093/rpd/ncx010
https://doi.org/10.1093/rpd/ncx010
Publikováno v:
Journal of Medical Physics, Vol 41, Iss 1, Pp 21-28 (2016)
Journal of Medical Physics / Association of Medical Physicists of India
Journal of Medical Physics / Association of Medical Physicists of India
Antiscatter grids improve the X-ray image contrast at a cost of patient radiation doses. The choice of appropriate grid or its removal requires a good knowledge of grid characteristics, especially for pediatric digital imaging. The aim of this work i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::515b8ebe92a877d1f54b6656b9753479
http://www.jmp.org.in/article.asp?issn=0971-6203
http://www.jmp.org.in/article.asp?issn=0971-6203
Autor:
Lutfi Ergun, Turan Olgar
The performance of digital radiography systems can be evaluated in terms of spatial resolution and noise. Noise plays an important role in the achievable image quality for detecting small and low-contrast structures in digital images created by these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0099c19b352cb9cf547f7225a5b76eb6
https://aperta.ulakbim.gov.tr/record/51739
https://aperta.ulakbim.gov.tr/record/51739
Publikováno v:
Dentomaxillofac Radiol
Objectives: The aim of this study was to investigate the effect of dental implant materials with different physical densities on dose distribution for head and neck cancer radiotherapy planning. Methods: Titanium (Ti), Titanium alloy (Ti-6Al-4V), Zir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73006817c883b824a338c649a8273448
https://doi.org/10.1259/dmfr.20180267
https://doi.org/10.1259/dmfr.20180267