Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Efrat Shefer"'
Autor:
Andrew J. Einstein, Bin Cheng, Jens Wiegert, Elazar‐Lars Gerland, Carla M. Thompson, Thomas Morton, Sandra S. Halliburton, Peter Prinsen, Sigal Trattner, Efrat Shefer
Publikováno v:
Medical physicsReferences. 46(11)
PURPOSE Accurate, patient-specific radiation dosimetry for CT scanning is critical to optimize radiation doses and balance dose against image quality. While Monte Carlo (MC) simulation is often used to estimate doses from CT, comparison of estimates
Autor:
Sachin Jambawalikar, Carla M. Thompson, Peter Prinsen, Jens Wiegert, Rani Al-Senan, Yoad Yagil, Andrew J. Einstein, Sandra S. Halliburton, Bin Cheng, Sigal Trattner, Elazar Lars Gerland, Maxwell Amurao, Thomas Morton, Efrat Shefer
Publikováno v:
Medical Physics. 44:6589-6602
PURPOSE Metal-oxide-semiconductor field-effect transistors (MOSFETs) serve as a helpful tool for organ radiation dosimetry and their use has grown in computed tomography (CT). While different approaches have been used for MOSFET calibration, those us
Autor:
Ami Altman, Yoad Yagil, Efrat Shefer, Lev Gregorian, Yalon Roterman, Oren Zarchin, Rolf Karl Otto Behling, Igor Uman, Naor Wainer, Raffy Goshen
Publikováno v:
Current Radiology Reports. 1:76-91
The three CT components with the greatest impact on image quality are the X-ray source, detection system and reconstruction algorithms. In this paper, we focus on the first two. We describe the state-of-the-art of CT detection systems, their calibrat
Autor:
Martina Jurcova, Amar Dhanantwari, Ally Leigh Bernstein, Efrat Shefer, David P. Cormode, Pratap C. Naha, Thomas B. Ivanc, Rabee Cheheltani
Publikováno v:
Scientific Reports
Computed tomography is a widely used medical imaging technique that has high spatial and temporal resolution. Its weakness is its low sensitivity towards contrast media. Iterative reconstruction techniques (ITER) have recently become available, which