Results 81 to 90 of about 888,164 (293)

A review of artificial intelligence in brachytherapy

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Artificial intelligence (AI) has the potential to revolutionize brachytherapy's clinical workflow. This review comprehensively examines the application of AI, focusing on machine learning and deep learning, in various aspects of brachytherapy.
Jingchu Chen   +4 more
wiley   +1 more source

Using deep learning generated CBCT contours for online dose assessment of prostate SABR treatments

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Prostate Stereotactic Ablative Body Radiotherapy (SABR) is an ultra‐hypofractionated treatment where small setup errors can lead to higher doses to organs at risk (OARs). Although bowel and bladder preparation protocols reduce inter‐fraction variability, inconsistent patient adherence still results in OAR variability.
Conor Sinclair Smith   +8 more
wiley   +1 more source

Estimates for singular integrals along surfaces of revolution [PDF]

open access: yesarXiv, 2008
We prove certain $L^p$ estimates ($1
arxiv  

Elliptic perturbations for Hammerstein equations with singular nonlinear term

open access: yesElectronic Journal of Differential Equations, 2006
We consider a singular elliptic perturbation of a Hammerstein integral equation with singular nonlinear term at the origin. The compactness of the solutions to the perturbed problem and, hence, the existence of a positive solution for the ...
Giuseppe Maria Coclite   +1 more
doaj  

The method for calculating singular integrals in problems of axially symmetric Stokes flows

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія: Математичне моделювання, інформаційні технології, автоматизовані системи управління, 2019
The flow of a viscous fluid at small Reynolds numbers (Stokes flow) in a three-dimensional formulation is investigated. In this case, the inertial terms in the equations of motion can be neglected. Such flows can occur in nanotubes that can be considered
Roman Palchikov   +2 more
doaj   +1 more source

极大奇异积分算子的RBLO估计(A RBLO estimate for maximal singular integral operator)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2011
Let μ be a positive Radon measure and satisfy a growth condition on Rd. Considering maximal Calderón-Zygmund singular integral operator whose kernel is k(x, y).
QUANYu-xia(全玉霞)   +2 more
doaj   +1 more source

Estimates for singular integrals on homogeneous groups [PDF]

open access: yesarXiv, 2010
We consider singular integral operators and maximal singular integral operators with rough kernels on homogeneous groups. We prove certain estimates for the operators that imply $L^p$ boundedness of them by an extrapolation argument under a sharp condition for the kernels. Also, we prove some weighted $L^p$ inequalities for the operators.
arxiv  

Application of Fredholm integral equations inverse theory to the radial basis function approximation problem [PDF]

open access: yes, 2012
This paper reveals and examines the relationship between the solution and stability of Fredholm integral equations and radial basis function approximation or interpolation.
Renaut, Rosemary, Zhu, Shengxin
core  

Weighted norm inequalities for a class of rough singular integrals

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2005
Weighted norm inequalities are proved for a rough homogeneous singular integral operator and its corresponding maximal truncated singular operator.
H. M. Al-Qassem
doaj   +1 more source

Monotonicity principles for singular integral equations in Clifford analysis [PDF]

open access: yesarXiv, 1998
Monotonicity principles can be used to get informations about nonlinear singular integral equations. These results are based on a theorem of Browder and Minty. We consider a family of monotone singular integral operators and associated nonlinear singular integral equations with Nemickii operator in Clifford analysis which has an application to the ...
arxiv  

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