Cone‐beam computed tomography with a flat‐panel imager: magnitude and effects of x‐ray scatter
JH Siewerdsen, DA Jaffray - Medical physics, 2001 - Wiley Online Library
… result in subtle artifacts in regions of high-contrast objects at … shape of such intensity
distributions, correction algorithms22,… The spatial distribution of x-ray scatter energy fluence in the …
distributions, correction algorithms22,… The spatial distribution of x-ray scatter energy fluence in the …
[图书][B] Computed tomography: fundamentals, system technology, image quality, applications
WA Kalender - 2011 - books.google.com
… Example images for most body regions and some volume data sets can be loaded, windowed,
… , the principle of computed tomography consists of measuring the spatial distribution of a …
… , the principle of computed tomography consists of measuring the spatial distribution of a …
Maximum-likelihood x-ray computed-tomography finite-beamwidth considerations
JA Browne, JM Boone, TJ Holmes - Applied optics, 1995 - opg.optica.org
… the effects of having a dense bone region embedded in low-contrast … , as we show later in
our computer simulations, it is a key … Y k as being Poisson distributed with its mean parameter’s …
our computer simulations, it is a key … Y k as being Poisson distributed with its mean parameter’s …
Intracapsular hip fracture and the region‐specific loss of cortical bone: analysis by peripheral quantitative computed tomography
N Crabtree, N Loveridge, M Parker… - Journal of Bone and …, 2001 - academic.oup.com
… on changes in its material properties and its distribution as well as the amount of bone tissue
it … that specific loss of cortical bone in such regions is a plausible mechanism to explain the …
it … that specific loss of cortical bone in such regions is a plausible mechanism to explain the …
Computer assisted mapping in quantitative analysis of cerebral positron emission tomograms
K Herholz, G Pawlik, K Wienhard… - … assisted tomography, 1985 - journals.lww.com
… Those values and their regional distribution are in excellent agreement with the results
obtained in the same group of subjects by individual manual mapping (5). There is also a close …
obtained in the same group of subjects by individual manual mapping (5). There is also a close …
Radiation dose associated with common computed tomography examinations and the associated lifetime attributable risk of cancer
R Smith-Bindman, J Lipson, R Marcus… - Archives of internal …, 2009 - jamanetwork.com
… Estimated range in the lifetime attributable risk of cancer if a 20-year-old woman underwent
one of several types of computed tomographic (CT) studies using the distribution in radiation …
one of several types of computed tomographic (CT) studies using the distribution in radiation …
Effect of tidal volume on distribution of ventilation assessed by synchrotron radiation CT in rabbit
L Porra, S Monfraix, G Berruyer… - Journal of Applied …, 2004 - journals.physiology.org
… At the same time, there has been a growing interest in computed tomography (CT) imaging
techniques as a means of measuring regional lung ventilation, particularly using stable Xe …
techniques as a means of measuring regional lung ventilation, particularly using stable Xe …
… of orthogonal mechanical properties and density of human trabecular bone from the major metaphyseal regions with materials testing and computed tomography
MJ Ciarelli, SA Goldstein, JL Kuhn… - Journal of …, 1991 - Wiley Online Library
… chanical property distributions of multiple metaphyseal regions tested … to evaluate the use of
computed tomography (CT) as a … of mechanical anisotropy within selected anatomic regions. …
computed tomography (CT) as a … of mechanical anisotropy within selected anatomic regions. …
Computerized localization of brain structures in single photon emission computed tomography using a proportional anatomical stereotactic atlas
O Migneco, J Darcourt, J Benoliel, F Martins… - Computerized medical …, 1994 - Elsevier
… the assessment of regional cerebral blood flow using single photon emission computed tomography …
to a normal data base or to correlate HMPAO regional uptake with other quantitative …
to a normal data base or to correlate HMPAO regional uptake with other quantitative …
Stress thallium-201 transaxial emission computed tomography: quantitative versus qualitative analysis for evaluation of coronary artery disease
N Tamaki, Y Yonekura, T Mukai, S Kodama… - Journal of the American …, 1984 - Elsevier
… tomographic analysis showed abnormal distribution in all but … high contrast images, tomography
may detect a region of lesser … , tomography can separate thallium myocardial distribution …
may detect a region of lesser … , tomography can separate thallium myocardial distribution …