نتایج جستجو برای: الگوریتم gsa

تعداد نتایج: 23603  

Journal: :Annals of nuclear medicine 2000
Y Tanabe M Hashimoto Y Ohuchi F Kodama T Ogawa

Tc-99m PMT and Tc-99m GSA can be taken up by hepatocellular carcinoma (HCC), but there has been no report concerning HCC showing accumulation of both of Tc-99m PMT and Tc-99m GSA. In this paper we describe a case of two simultaneously developed HCCs, one of which took up both tracers but the other took up neither of them.

Journal: :Applied Soft Computing 2021

In this paper, a novel approach called GSA-DenseNet121-COVID-19 based on hybrid convolutional neural network (CNN) architecture is proposed using an optimization algorithm. The CNN that was used DenseNet121 and the algorithm gravitational search (GSA). GSA adapted to determine best values for hyperparameters of architecture, achieve high level accuracy in diagnosing COVID-19 disease through che...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2011
Wilmar de Graaf Roelof J Bennink Michal Heger Adrie Maas Kora de Bruin Thomas M van Gulik

UNLABELLED Reliable assessment of hepatic function during liver regeneration is crucial after liver surgery or liver transplantation. (99m)Tc-galactosyl human serum albumin ((99m)Tc-GSA) scintigraphy, (99m)Tc-mebrofenin hepatobiliary scintigraphy (HBS), the indocyanine green (ICG) clearance test, and the galactose elimination capacity (GEC) are common quantitative liver function tests. However,...

ژورنال: :هوش محاسباتی در مهندسی برق 0
آماج چمن کار منصور شیخان دانشگاه آزاد اسلامی- واحد تهران جنوب منصور شیخان آماج چمن کار دانشگاه آزاد اسلامی- واحد تهران جنوب

از آنجا که به دلیل محدودیت­های عکس­برداری نمی­توان با گرفتن تنها یک عکس از یک صحنه به تصویری با کیفیت و وضوح مطلوب دست یافت، ترکیب تصاویر با استفاده از روش­های گوناگون روز به روز در حال گسترش و بهبود است. از طرفی امروزه از الگوریتم­های جمعیتی مبتنی بر تصادف جهت بهینه­یابی استفاده گسترده­ای می­شود که اغلب با الهام از فرایندهای فیزیکی یا رفتارهای موجودات به­ وجود آمده­اند. الگوریتم بهینه­یابی جست...

Gravitational search algorithm (GSA) is one of the newest swarm based optimization algorithms, which has been inspired by the Newtonian laws of gravity and motion. GSA has empirically shown to be an efficient and robust stochastic search algorithm. Since introducing GSA a convergence analysis of this algorithm has not yet been developed. This paper introduces the first attempt to a formal conve...

Gravitational search algorithm (GSA) is one of the newest swarm based optimization algorithms, which has been inspired by the Newtonian laws of gravity and motion. GSA has empirically shown to be an efficient and robust stochastic search algorithm. Since introducing GSA a convergence analysis of this algorithm has not yet been developed. This paper introduces the first attempt to a formal conve...

2012
Chi-yuen Wang Michael Manga Chung-Ho Wang Chieh-Hung Chen

doi: 10.1130/G32565.1 2012;40;119-122 Geology Chi-yuen Wang, Michael Manga, Chung-Ho Wang and Chieh-Hung Chen Transient change in groundwater temperature after earthquakes Email alerting services articles cite this article to receive free e-mail alerts when new www.gsapubs.org/cgi/alerts click Subscribe to subscribe to Geology www.gsapubs.org/subscriptions/ click Permission request to contact G...

Journal: :Automatika 2022

Fuzzy logic controllers (FLCs) are widely used to control complex systems with model uncertainty, such as alternating current motors. The design process of the FLC is generally based on designer’s adjustments controller until desired performance achieved. However, doing in this way makes quite difficult and time-consuming, so it often impossible make a suitable successful design. In study, outp...

2016
Canhong Xiang Yingmao Chen Mingzhe Shao Can Li Xin Huang Lei Gong Ang Li Weidong Duan Aiqun Zhang Jiahong Dong

To quantitatively evaluate the regional functional reserve in the cirrhotic liver and to seek related index that reflects diminished segmental liver function. A 3D system for quantitative evaluation of the liver was used to fuse technetium-99m galactosyl human serum albumin single-photon emission computed tomography and computed tomography images from 20 patients with cirrhotic liver and hepato...

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