Zobrazeno 1 - 10
of 64
pro vyhledávání: '"A Esmaili Torshabi"'
Autor:
S Parande, A Esmaili Torshabi
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 9, Iss 5, Pp 559-568 (2019)
Background: Medical image interpolation is recently introduced as a helpful tool to obtain further information via initial available images taken by tomography systems. To do this, deformable image registration algorithms are mainly utilized to perfo
Externí odkaz:
https://doaj.org/article/106e7d0d94444aca8df82ff6e75cdcf2
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 13, Iss 2, Pp 107-116 (2023)
Background: At proton radiotherapy, the extracted beam from accelerator is not initially suitable for tumor treatment and a modification is needed for beam shape and energy due to tumor dimension and site. One clinical strategy is the use of double s
Externí odkaz:
https://doaj.org/article/ce9657b3a3064cefb5870f6fbc4124cb
Autor:
Abedin Payedar, Ahmad Esmaili Torshabi
Publikováno v:
Frontiers in Biomedical Technologies, Vol 11, Iss 1 (2023)
Purpose: In the recent decade, proton therapy facilities are increasing worldwide. This study aimed to analyze the influence of volumetric changes in bladder and rectum filling on the dose received by normal surrounding tissues at prostate cancer pro
Externí odkaz:
https://doaj.org/article/19c905af92e54c2a8006d277292821e9
Autor:
Ahmad Esmaili Torshabi
Publikováno v:
مجله مدل سازی در مهندسی, Vol 20, Iss 68, Pp 73-83 (2022)
Among thorax tumors, lung tumors move mainly due to respiration. In order to enhance the precision of radiotherapy, one solution is estimating tumor motion from external motion of chest wall and abdomen regions. For this aim, consistent prediction mo
Externí odkaz:
https://doaj.org/article/66019fc8430745938d0fac0cd1a1c122
Autor:
Ahmad Esmaili Torshabi
Publikováno v:
Journal of Medical Signals and Sensors, Vol 12, Iss 2, Pp 163-170 (2022)
At image-guided radiotherapy, technique, different imaging, and monitoring systems are utilized for (i) organs border detection and tumor delineation during the treatment planning process and (ii) patient setup and tumor localization at pretreatment
Externí odkaz:
https://doaj.org/article/c5d067452d5b46ec9cc2d6c6bcb84a25
Publikováno v:
Iranian Journal of Medical Physics, Vol 18, Iss 2, Pp 96-105 (2021)
Introduction: Tumor motion is a challenging issue in radiotherapy, which complicates the process of tumor delineation, localization, and dose delivery. External surrogate radiotherapy is one of the available strategies that provides motion dataset fo
Externí odkaz:
https://doaj.org/article/77d33f9e1a0d4c80a7d3e56d5b0d356c
Publikováno v:
Iranian Journal of Medical Physics, Vol 16, Iss 3, Pp 224-231 (2019)
Introduction: A new method based on image registration technique and an intelligent correlation model to calculate. The present study aimed to propose inter- and intra-fraction motion errors in order to address the limitations of conventional Patient
Externí odkaz:
https://doaj.org/article/a01576f4618d4bdfb03983814683d818
Autor:
Nakhostin, M., Esmaili-Torshabi, A.
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 11 October 2015 797:255-259
Publikováno v:
Iranian Journal of Medical Physics, Vol 13, Iss 4, Pp 276-288 (2016)
Introduction Patient set-up optimization is required in radiotherapy to fill the accuracy gap between personalized treatment planning and uncertainties in the irradiation set-up. In this study, we aimed to develop a new method based on neural network
Externí odkaz:
https://doaj.org/article/4d93585a7fde42fa8f2c28494f79033b
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 6, Iss 4, Pp 253-264 (2016)
Background: Since tumors located in thorax region of body mainly move due to respiration, in the modern radiotherapy, there have been many attempts such as; external markers, strain gage and spirometer represent for monitoring patients’ breathing
Externí odkaz:
https://doaj.org/article/646ddfef19e145f683aed41c4250dda6