نتایج جستجو برای: medical flow imaging

تعداد نتایج: 1458971  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی و مهندسی 1390

magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...

Journal: :روش های عددی در مهندسی (استقلال) 0
علی پاشائی و ناصر فتورائی ali pashaee and nasser fotouraee

in this paper, the boundary-based estimation of pressure distribution in the cardiovascular system is investigated using two dimensional flow images. the conventional methods of non-invasive estimation of pressure distribution in the cardiovascular flow domain use the differential form of governing equations. this study evaluates the advantages of using the integral form of the equations in the...

Journal: :Journal of the Visualization Society of Japan 1991

Introduction: In spite of all the researches on medical imaging, this field is still hot. It is the third major area of research, conducted in the world. Unfortunately, there is no statistical evaluation available of the student theses in Iran. It does not seem like a policy is going to be established to address this issue. Providing a statistical insight to activities done in ...

Journal: :international journal of epidemiologic research 2015
ayoob rostamzadeh masoud amiri mohammad gharib salehi hossein masoumi

magnetic resonance imaging (mri) uses a constant magnetic field and radio waves, a non-invasive method for examining tissues, organs and the skeletal system. the advantages and disadvantages of mri is not fully understood. in the computerized tumor (ct) scan, as an invasive method, the x-rays of the body is used for tomography; which different x-ray attenuation coefficient in tissues as well as...

Journal: :iranian journal of nuclear medicine 2013
navid zeraatkar

introduction: nowadays, science mapping is considered an excellent technique for decision-makers to find solutions for problems in research planning and development. in this work, we aimed to depict a science map of “radiology, nuclear medicine, and medical imaging” in iran. methods: all publications indexed in thomson reuters web of science database in the fields mentioned above with at least ...

2004
Jean-Frédéric Gerbeau Marina Vidrascu Pascal Frey

We address two difficult points in the simulation of blood flows in compliant vessels: the fluid and structure meshes generation and the solution of the fluid–structure problem with large displacements. The proposed strategy allows to perform realistic simulations on geometries coming from medical imaging. 2004 Elsevier Ltd. All rights reserved.

Journal: :Journal of Mechanics in Medicine and Biology 2009

Journal: :IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2003

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