Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Juan P. Cruz-Bastida"'
Development of a neonate X‐ray phantom for 2D imaging applications using single‐tone inkjet printing
Autor:
Jonathan George, Juan P. Cruz-Bastida, E Pearson, Danielle Beaulieu, Ingrid Reiser, Nikolaj Reiser, Hania A. Al-Hallaq, Kate A. Feinstein, Emily L. Marshall, Christiane S. Burton, Robert MacDougall
Publikováno v:
Medical Physics. 48:4944-4954
Purpose Inkjet printers can be used to fabricate anthropomorphic phantoms by the use of iodine-doped ink. However, challenges persist in implementing this technique. The calibration from grayscale to ink density is complex and time-consuming. The pur
Autor:
Emily L. Marshall, Daniela Olivera Velarde, Natalie Baughan, Nikolaj Reiser, Chao Guo, Juan P. Cruz-Bastida, Kate Feinstein, Ingrid S. Reiser
Publikováno v:
Medical Imaging 2022: Image Perception, Observer Performance, and Technology Assessment.
Publikováno v:
Journal of medical imaging (Bellingham, Wash.). 9(4)
Publikováno v:
Medical Physics. 46:3013-3024
Purpose In previous works, it has been demonstrated that for filtered backprojection (FBP) reconstruction-based computed tomography (CT) images, the measured CT numbers are biased and the bias level decreases with increasing radiation dose. Low-dose
Autor:
Juan P. Cruz-Bastida, Kayla Blunt, Ingrid Reiser, Natalie M. Baughan, Emily L. Marshall, Kate A. Feinstein
Publikováno v:
Medical Imaging 2021: Image Perception, Observer Performance, and Technology Assessment.
The purpose of this work is to propose a framework that could help to accelerate the development of task models and figures of merit for fluoroscopy applications. Our final goal is to use this framework to establish an imaging task based on pediatric
Autor:
Mark A. Anastasio, Greg Ongie, Juan P. Cruz-Bastida, Xiaochuan Pan, Emil Y. Sidky, John Paul Phillips, Ingrid Reiser, Weimin Zhou
Publikováno v:
Medical Imaging 2021: Image Perception, Observer Performance, and Technology Assessment.
In this work, we focus on developing a channelized Hotelling observer (CHO) that estimates ideal linear observer performance on signal detection in images resulting from non-linear image reconstruction in computed tomography. In particular, many opti
Autor:
Xiaochuan Pan, Weimin Zhou, John Paul Phillips, Ingrid Reiser, Emil Y. Sidky, Mark A. Anastasio, Greg Ongie, Juan P. Cruz-Bastida
Publikováno v:
Med Phys
Purpose: Many useful image quality metrics for evaluating linear image reconstruction techniques do not apply to or are difficult to interpret for non-linear image reconstruction. The vast majority of metrics employed for evaluating non-linear image
Autor:
Yinsheng Li, Meghan G. Lubner, Ke Li, Juan P. Cruz-Bastida, Daniel H. Bushe, Guang-Hong Chen, Christopher J. François
Publikováno v:
Medical Imaging 2020: Physics of Medical Imaging.
CT imaging is one of the primary diagnostic tools utilized in modern radiology departments. Current stateof- the-art spectral CT imaging systems have been implemented using advanced x-ray source and/or detector technologies that have enabled image ob
Autor:
Mariana Hernández-Bojórquez, José Alfredo Herrera-González, Suemi Alejandra González-Azcorra, Orlando Enrique Soberanis-Domínguez, Diana García-Hernández, Juan P. Cruz-Bastida, X. Lopez-Rendon
The clinical practice of Medical Physics in Mexico has not been subject of comprehensive occupational analyses. The absence of such studies not only arises radiation safety concerns, but also imposes challenges to work-policy making. This work presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a42137efcc25788d54ba3e494ffad68
Publikováno v:
Med Phys
Purpose The CT number accuracy, that is, CT number bias, plays an important role in clinical diagnosis. When strategies to reduce radiation dose are discussed, it is important to make sure that the CT number bias is controlled within an acceptable ra