نتایج جستجو برای: 3d imaging system

تعداد نتایج: 2744044  

2009
Wolfgang J. Weninger Stefan H. Geyer

The mouse is the most appropriate biomedical model organism for researching the mechanistic function of genetic factors in normal embryogenesis and in the genesis of cardiovascular malformations. Three-dimensional (3D) visualisation of the developing organs of wild type and genetically modified mouse embryos is essential for such research. This paper aims at discussing imaging methods that perm...

2011
Nobuaki Inoue

FUJIFILM has developed revolutionary 3D digital imaging system “FINEPIX REAL 3D system”. The system incorporates a 3D digital camera “FINEPIX REAL 3D W1”, a 3D viewer “FINEPIX REAL 3D V1”, and 3D printing service. The FINEPIX REAL 3D W1 has two 10 megapixel CCDs, two 3× optical zoom lenses, newly developed 2D/3D LCD monitor (2.8inch), and newly developed 3D processor “Real Photo Processor 3D”. ...

Journal: :acta medica iranica 0
z. miabi a. alaee m. midia h. hashemi

a 3 month- old boy was admitted with recurrent severe respiratory distress and refractory to therapeutic options. patient underwent a helical multidetector ct examination. axial, coronal and three- dimensional imaging, revealed tracheal bronchus, stenosis, diverticulum and bronchiectasis. in this situation, ct scanning, perfectly 3d imaging is recommend for rule out congenital tracheobronchial ...

2011
Jason Geng

We provide a review of recent advances in 3D surface imaging technologies. We focus particularly on noncontact 3D surface measurement techniques based on structured illumination. The high-speed and high-resolution pattern projection capability offered by the digital light projection technology, together with the recent advances in imaging sensor technologies, may enable new generation systems f...

Journal: :medical journal of islamic republic of iran 0
alireza mahboub-ahari iranian center of excellence in health management, department of health service management, tabriz university of medical sci-ences, tabriz, iran.سازمان اصلی تایید شده: دانشگاه تبریز (tabriz university) sakineh hajebrahimi iranian center for evidence-based medicine, tabriz university of medical sciences, tabriz, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences) mahmoud yusefi iranian center of excellence in health management, department of health service management, tabriz university of medical sci-ences, tabriz, iran.سازمان اصلی تایید شده: دانشگاه تبریز (tabriz university) ashraf velayati department of educational management, economics and policy, school of medical education, shahid beheshti university of medi-cal sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه شهید بهشتی (shahid beheshti university)

background: eos is a 2d/3d muscle skeletal diagnostic imaging system. the device has been developed to produce a high quality 2d, full body radiographs in standing, sitting and squatting positions. three dimensional images can be reconstructed via stereos software. this health technology assessment study aimed to investigate efficacy, effectiveness and cost-effectiveness of new emerged eos imag...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 2012
Majeed M Hayat Srikanth Narravula Matthew Pepin Bahram Javidi

Photon-counting integral imaging has been introduced recently, and its applications in three-dimensional (3D) object sensing, visualization, recognition, and classification under photon-starved conditions have been demonstrated. This paper sheds light on the underlying information-theoretic foundation behind the ability of photon-counting integral imaging in performing complex tasks with far fe...

Journal: :Bulletin of the American Society for Information Science and Technology 2005

Journal: :Optics express 2014
Jonghyun Kim Jae-Hyun Jung Youngmo Jeong Keehoon Hong Byoungho Lee

We propose a real-time integral imaging system for light field microscopy systems. To implement a 3D live in-vivo experimental environment for multiple experimentalists, we generate elemental images for an integral imaging system from the captured light field with a light field microscope in real-time. We apply the f-number matching method to generate an elemental image to reconstruct an undist...

AR Ghassemi, AR Talaipour, M Amiri siavoshani, P Olyaee, S Mehralizadeh,

Background and Aim: Bone density is of great assistance in the selection of the proper implant site. The present study aimed to assess the correlation between tissue densities in computed tomography (CT) and three different cone-beam computed tomography (CBCT) units. Materials and Methods: In this descriptive study, a radiographic phantom consisting of a transparent polymethyl methacrylate (PM...

Journal: :iranian journal of radiology 0
ali sarrami-foroushani department of chemical engineering, isfahan university of technology, isfahan, iran mohsen nasr esfahany department of chemical engineering, isfahan university of technology, isfahan, iran; department of chemical engineering, isfahan university of technology, isfahan, iran. tel: +98-3133915631, fax: +98-3113912677 abbas nasiraei moghaddam department of biomedical engineering, amirkabir university of technology (tehran polytechnic), tehran, iran hamidreza saligheh rad medical physics and biomedical engineering department, tehran university of medical sciences, tehran, iran kavous firouznia advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran madjid shakiba advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran

conclusion both techniques provided quantitatively consistent results of in vivo velocity vector fields in right internal carotid artery (rca). pc mri represented a good estimation of main flow patterns inside the vasculature, which seems to be acceptable for clinical use. however, limitations of each technique should be considered while interpreting results. subjects and methods mr imaging was...

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