Results 71 to 80 of about 9,369,738 (276)
Dual-Energy CT: New Horizon in Medical Imaging
Korean Journal of Radiology, 2017 Dual-energy CT has remained underutilized over the past decade probably due to a cumbersome workflow issue and current technical limitations. Clinical radiologists should be made aware of the potential clinical benefits of dual-energy CT over single ...
H. Goo, J. Goo
semanticscholar +1 more source
TomographyThe topic of quantitative imaging in radiation therapy was presented as a “Masterclass” at the 2023 annual meeting of the American Society of Radiation Oncology (ASTRO).
Yevgeniy Vinogradskiy +4 more
doaj +1 more source
Energy Efficient Dual Issue Embedded Processor [PDF]
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2016 While energy efficiency is essential to extend the battery life of embedded devices, performance cannot be ignored. Highperformance superscalar embedded processors are more energy efficient than low performance scalar processors, however,they consume ...
Hanni Lozano, Mabo Ito
doaj +1 more source
Instantons and singularities in the Yang-Mills flow [PDF]
, 2016 Several results on existence and convergence of the Yang-Mills flow in dimension four are given. We show that a singularity modeled on an instanton cannot form within finite time.
Waldron, Alex
core +1 more source
Dual-Energy CT: What the Neuroradiologist Should Know [PDF]
Current Radiology Reports, 2015 Because of the different attenuations of tissues at different energy levels, dual-energy CT offers tissue differentiation and characterization, reduction of artifacts, and remodeling of contrast-to-noise ratio (CNR) and signal-to-noise ratio (SNR), hereby creating new opportunities and insights in CT imaging. The applications for dual-energy imaging in
Postma, Alida A +3 more
openaire +2 more sources
Dual Statistical Systems and Geometrical String
, 1994 We analyse statistical system with interface energy proportional to the length of the edges of interface. We have found the dual system high temperature expansion of which equally well generates surfaces with linear amplitude.
Ambartzumian +29 more
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Nonuniqueness in dual‐energy CT [PDF]
Medical Physics, 2017 PurposeThe goal is to determine whether dual‐energy computed tomography (CT) leads to a unique reconstruction using two basis materials.MethodsThe beam‐hardening equation is simplified to the single‐voxel case. The simplified equation is rewritten to show that the solution can be considered to be linear operations in a vector space followed by a ...
openaire +2 more sources
Non-Linear Relativity in Position Space
, 2004 We propose two methods for obtaining the dual of non-linear relativity as previously formulated in momentum space. In the first we allow for the (dual) position space to acquire a non-linear representation of the Lorentz group independently of the chosen
D. Grumiller +11 more
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Duality in Long-Range Ising Ferromagnets
, 1992 It is proved that for a system of spins $\sigma _i = \pm 1$ having an interaction energy $-\sum K_{ij} \sigma _i \sigma _j $ with all the $K_{ij}$ strictly positive,one can construct a dual formulation by associating a dual spin $S_{ijk} = \pm 1$ to each
Meurice, Yannick
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Role of three-particle vertex within dual fermion calculations
, 2017 We investigate the influence of self-energy diagrams beyond the two-particle vertex level within dual fermion theory. Specifically, we calculate the local three-particle vertex and construct from it selected dual fermion self-energy corrections to ...
Gull, E. +7 more
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