Zobrazeno 1 - 10
of 32
pro vyhledávání: '"T.A. Maniatis"'
Autor:
Nikolaos K. Uzunoglu, Angelos T. Vouldis, C. Kechribaris, Konstantina S. Nikita, T.A. Maniatis
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 55:1975-1984
In this paper, a three-dimensional (3-D) extension of the well-known filtered-backpropagation (FBP) algorithm is presented with the aim of taking into account scattered-field-data measurements obtained using incident directions not restricted in a si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3806fad8c96e04349e8baf12c7757aae
https://doi.org/10.1109/tim.2006.884276
https://doi.org/10.1109/tim.2006.884276
Publikováno v:
IEEE Transactions on Biomedical Engineering. 49:1444-1451
A virtual simulation (VS) system is a software system that enables the delineation of anatomical structures, and the placement of irradiation fields for the purpose of radiation treatment planning, making use of patient's tomographic data, instead of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f24c826448bacdc5c27fd2940ac45d4c
https://doi.org/10.1109/tbme.2002.805450
https://doi.org/10.1109/tbme.2002.805450
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 48:1831-1840
A novel method for two-dimensional (2-D) profile reconstruction of dielectric objects, based on nonlinear optimization, is presented in this paper. The unknown dielectric profile is expressed in terms of Gaussian basis functions. The scattering integ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6632003559018506e3e27806210ae8fa
https://doi.org/10.1109/22.883860
https://doi.org/10.1109/22.883860
Publikováno v:
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference. 2004
A new algorithm for solving the three-dimensional inverse scattering problem using time-domain data is presented. The algorithm is intended for application in cases where linearization using the Born or Rytov approximations is not possible. A functio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e311f73897038663e184320bca8fa63
https://pubmed.ncbi.nlm.nih.gov/17271951
https://pubmed.ncbi.nlm.nih.gov/17271951
Publikováno v:
Trans Black Sea Region Symposium on Applied Electromagnetism.
The reconstruction of the refractive index of a dielectric body from scattered field data is known as the inverse scattering problem. In the present work this problem is addressed within the Heitler equation method. This equation was originally used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70dbfbda665db255d1fde2f7858d3972
https://doi.org/10.1109/aem.1996.873048
https://doi.org/10.1109/aem.1996.873048
Publikováno v:
Scopus-Elsevier
The collaborative environment architecture is based on both off-line and on-line communication of data under a secure framework and can be directly integrated into the infrastructure of a radiotherapy department. The on-line collaboration is based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c45713ada4dced86f1f4d6192f651b4
https://doi.org/10.1109/iembs.2001.1019620
https://doi.org/10.1109/iembs.2001.1019620
Autor:
Nikolaos K. Uzunoglu, Konstantina S. Nikita, Angelos T. Vouldis, C. Kechribaris, T.A. Maniatis
Publikováno v:
2004 IEEE International Workshop on Imaging Systems and Techniques (IST) (IEEE Cat. No.04EX896).
In this paper, the three dimensional (3D) extensions of the two well-known diffraction tomography algorithms, namely direct Fourier interpolation and filtered backpropagation (FBP) are presented. These algorithms solve the linearized version of the i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c65597ec332c56a93d9f847ade920153
https://doi.org/10.1109/ist.2004.1397288
https://doi.org/10.1109/ist.2004.1397288
Publikováno v:
1999 IEEE MTT-S International Microwave Symposium Digest (Cat. No.99CH36282).
A novel method for two dimensional (2D) profile reconstruction of dielectric objects, based on nonlinear optimization is presented. The unknown dielectric profile is expressed in terms of Gaussian basis functions. The scattering integral equation (SI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7faddf402f827d92e6e3fcfcbc5475b
https://doi.org/10.1109/mwsym.1999.780326
https://doi.org/10.1109/mwsym.1999.780326
Publikováno v:
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.
A novel method for the nonperturbative solution of the inverse scattering problem is presented. The method is based on the description of the unknown scatterer in terms of Gaussian basis functions and the discretization of the scattering integral equ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e72b4e83679f13a490ef602ed46a9db
https://doi.org/10.1109/iembs.1996.651946
https://doi.org/10.1109/iembs.1996.651946
Publikováno v:
Scopus-Elsevier
In this paper a Web-based radiotherapy treatment planning system (TPS) is presented, transforming the TPS from a stand-alone application to a client-server application. The benefits from the use of such architecture are examined, while the problems t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faa8a23e5d3d98b5acfba34eb4863108
https://doi.org/10.1109/iembs.2000.900610
https://doi.org/10.1109/iembs.2000.900610