Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Kiwoon Kwon"'
Autor:
Kiwoon Kwon
Publikováno v:
Journal of Mathematics, Vol 2024 (2024)
Source localization is widely used in many areas including GPS, but the influence of possible noises cannot be overlooked. Many optimization methods have been attempted to mitigate different kinds of noises. However, the stability of the solution, ev
Externí odkaz:
https://doaj.org/article/590a4bd9a4474b5d972ec6fa39c5ddae
Publikováno v:
Applied Sciences, Vol 10, Iss 24, p 9032 (2020)
This study develops a new response filtering approach for recovering dynamic mechanical stresses under impact loading. For structural safety, it is important to consider the propagation of transient mechanical stresses inside structures under impact
Externí odkaz:
https://doaj.org/article/d427a647a4e248dbb5642074c207737f
Autor:
Kiwoon Kwon
Publikováno v:
Advances in Mathematical Physics, Vol 2015 (2015)
Unique determination issues about inverse problems for elliptic partial differential equations in divergence form are summarized and discussed. The inverse problems include medical imaging problems including electrical impedance tomography (EIT), dif
Externí odkaz:
https://doaj.org/article/ba5a63a0e34442edaefcb32bcf51350c
Autor:
Kiwoon Kwon, Sunghwan Moon
Publikováno v:
Japan Journal of Industrial and Applied Mathematics. 36:989-1004
Since a Compton camera and its data type were introduced, several types of conical Radon transforms have been studied. To increase the accuracy, new Compton camera designs have been proposed (Smith, Technologies 3(4):219–237, 2015). Among these, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::729f80659cf54294ef4259b8667d5e01
https://doi.org/10.1007/s13160-019-00379-x
https://doi.org/10.1007/s13160-019-00379-x
Autor:
Kiwoon Kwon
Publikováno v:
Biomedical Engineering Letters. 9:233-243
Since the Compton camera was first introduced, various types of conical Radon transforms have been examined. Here, we derive the inversion formula for the conical Radon transform, where the cone of integration moves along a curve in three-dimensional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ccbbde3a2e219ad7d56cc340ec5a88b
https://doi.org/10.1007/s13534-019-00106-y
https://doi.org/10.1007/s13534-019-00106-y
Publikováno v:
Journal of Applied Mathematics, Vol 2014 (2014)
DT-MRI (diffusion tensor magnetic resonance imaging) tractography is a method to determine the architecture of axonal fibers in the central nervous system by computing the direction of the principal eigenvectors obtained from tensor matrix, which is
Externí odkaz:
https://doaj.org/article/5f40b1aeefe54a2fa17ee6f47bb9a5b4
Publikováno v:
Journal of Applied Mathematics, Vol 2014 (2014)
Externí odkaz:
https://doaj.org/article/58c38334bace4c07ae47ae7d6c49b65d
Autor:
Kiwoon Kwon
Publikováno v:
Journal of Applied Mathematics, Vol 2013 (2013)
Diffuse optical tomogrpahy (DOT) is to find optical coefficients of tissue using near infrared light. DOT as an inverse problem is described and the studies about unique determination of optical coefficients are summarized. If a priori information of
Externí odkaz:
https://doaj.org/article/b8451e15baf44aa88d5347870df73651
Autor:
Kiwoon Kwon
Publikováno v:
Applied Mathematics and Computation. 413:126649
The source localization problem has been studied by many researchers and applied to a wide range of areas including Global Positioning System (GPS) localization. Although there have been studies examining closed form solutions for cases with not so l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b24baf6b2645aead77f484cf4423b6f
https://doi.org/10.1016/j.amc.2021.126649
https://doi.org/10.1016/j.amc.2021.126649
Autor:
Kiwoon Kwon
Publikováno v:
Journal of Applied Mathematics, Vol 2012 (2012)
Diffuse optical tomography is used to find the optical parameters of a turbid medium with infrared red light. The problem is mathematically formulated as a nonlinear problem to find the solution for the diffusion operator mapping the optical coeffici
Externí odkaz:
https://doaj.org/article/4f2db8e8641545ef827a2dc38392c418