Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Alireza Kamali-Asl"'
Autor:
Rezvan Samimi, Isaac Shiri, Yashar Ahmadyar, Jörg van den Hoff, Alireza Kamali-Asl, Alireza Rezaee, Fereshteh Yousefirizi, Parham Geramifar, Arman Rahmim
Publikováno v:
EJNMMI Research, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Background To investigate the use of dynamic radiomics features derived from dual-time-point (DTP-feature) [18F]FDG PET metabolic uptake rate K i parametric maps to develop a predictive model for response to chemotherapy in lymphoma patients
Externí odkaz:
https://doaj.org/article/fb05ccf0706a46f7aa537dc4819d3179
Autor:
Alireza Kamali-Asl, Amir-Hossein Batooli, Sanaz Harriri, Fatemeh Salman-Rezaee, Fatemeh Shahmardan, Leila Yavari
Publikováno v:
Iranian Journal of Medical Physics, Vol 7, Iss 1, Pp 65-74 (2010)
Introduction: Intensity modulated radiation therapy (IMRT) is one of the cancer treatment methods. It is important to selectively aim at the target in this way, which can be performed using a multileaf collimator (MLC). Materials and Methods: In orde
Externí odkaz:
https://doaj.org/article/eae9ea4afcea4b4e833a56a1f9add286
Publikováno v:
Iranian Journal of Medical Physics, Vol 6, Iss 2, Pp 27-40 (2009)
Introduction: In patients with cardiac artery disease, a myocardial perfusion scan, which is a non-invasive method, is utilized. This study is conducted to develop an advantageous software applicable to quantitative myocardial SPECT perfusion. Materi
Externí odkaz:
https://doaj.org/article/e9d58fddd94348ae82c5d27b44fa3e82
Publikováno v:
Iranian Journal of Medical Physics, Vol 4, Iss Issue 3,4, Pp 65-73 (2007)
Introduction: Osteoporosis is a bone disease in which there is a reduction in the amount of bone mineral content leading to an increase in the risk of bone fractures. The affected individuals not only have to go through lots of pain and suffering but
Externí odkaz:
https://doaj.org/article/0177b5fff9454d53be89d49ffd102aa1
Publikováno v:
Frontiers in Biomedical Technologies, Vol 2, Iss 3 (2015)
Purpose- Some practical and theoretical efforts have been made to investigate the effects of designing parameters on the performance of anger camera. In this study, the effects of light guide thickness on the accuracy of position estimation, linearit
Externí odkaz:
https://doaj.org/article/532f5e19f91c446f8d0a48adf3927e59
Publikováno v:
Frontiers in Biomedical Technologies, Vol 1, Iss 4 (2014)
Purpose: Mechanical calibration of camera plays an important role in nuclear imaging to acquire a more qualified and quantized scintigram. The objective of this work was to quantitatively evaluate planar resolution and sensitivity of a tilted Anger c
Externí odkaz:
https://doaj.org/article/00d40532614d4b85aa343e20e2cb67b9
Autor:
Zohreh Shahpouri, Alireza Kamali-Asl, Ahmad Bitarafan-Rajabi, Jakir Hossain, Seyed Mohammad Entezarmahdi, Samane Mohseni, Nahid Yaghoobi, Arman Rahmim
Publikováno v:
Frontiers in Biomedical Technologies, Vol 1, Iss 2 (2014)
Purpose: Clinical myocardial perfusion SPECT is commonly performed using static imaging. Dynamic SPECT enables extraction of quantitative as well as relative perfusion information. We aimed to evaluate the ability of dynamic SPECT for regular perfusi
Externí odkaz:
https://doaj.org/article/6a27141395d140b79808ee9866c952ff
Autor:
Sanaz Hariri Tabrizi, Alireza Kamali-Asl, Narges Aghakhan Olia, Hossein Arabi, Saeed Farzanefar, Habib Zaidi, Parham Geramifar, Peyman Sheikhzadeh
Publikováno v:
European Journal of Nuclear Medicine and Molecular Imaging, 49. SPRINGER
European journal of nuclear medicine and molecular imaging, Vol. 49, No 5 (2022) pp. 1508-1522
Aghakhan Olia, N, Kamali-Asl, A, Hariri Tabrizi, S, Geramifar, P, Sheikhzadeh, P, Farzanefar, S, Arabi, H & Zaidi, H 2022, ' Deep learning–based denoising of low-dose SPECT myocardial perfusion images : quantitative assessment and clinical performance ', European Journal of Nuclear Medicine and Molecular Imaging, vol. 49, no. 5, pp. 1508-1522 . https://doi.org/10.1007/s00259-021-05614-7
European journal of nuclear medicine and molecular imaging, Vol. 49, No 5 (2022) pp. 1508-1522
Aghakhan Olia, N, Kamali-Asl, A, Hariri Tabrizi, S, Geramifar, P, Sheikhzadeh, P, Farzanefar, S, Arabi, H & Zaidi, H 2022, ' Deep learning–based denoising of low-dose SPECT myocardial perfusion images : quantitative assessment and clinical performance ', European Journal of Nuclear Medicine and Molecular Imaging, vol. 49, no. 5, pp. 1508-1522 . https://doi.org/10.1007/s00259-021-05614-7
Abstract Purpose This work was set out to investigate the feasibility of dose reduction in SPECT myocardial perfusion imaging (MPI) without sacrificing diagnostic accuracy. A deep learning approach was proposed to synthesize full-dose images from the
Publikováno v:
Iranian Journal of Medical Physics, Vol 8, Iss 1, Pp 9-18 (2011)
Introduction: Brachytherapy is one of the most common treatment modalities for gynecological cancer. The GZP6 brachytherapy system is one of the devices utilized in Iran. It has been considered particularly due to its low cost compared to other more
Externí odkaz:
https://doaj.org/article/6b83664887e64defadeda4db0dce8bd2
Deep Learning-based Low-dose Cardiac Gated SPECT: Implementation in Projection Space vs. Image Space
Autor:
Narges Aghakhan Olia, Alireza Kamali-Asl, Sanaz Hariri Tabrizi, Parham Geramifar, Peyman Sheikhzadeh, Hossein Arabi, Habib Zaidi
Publikováno v:
2021 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).