Filters








2,231 Hits in 4.0 sec

Immersive virtual reality for visualizing flow through an artery

A.S. Forsberg, D.H. Laidlaw, A. Van Dam, R.M. Kirby, G.E. Kafniadakis, J.L. Elion
Proceedings Visualization 2000. VIS 2000 (Cat. No.00CH37145)  
We present an immersive system for exploring numerically simulated flow data through a model of a coronary artery graft.  ...  The visualization system provides a mechanism for exploring the effect of changes to the geometry, to the flow, and for exploring potential sources of future lesions.  ...  Spencer Sherwin of Imperial College, London for providing the artery geometry and helping with the simulations.  ... 
doi:10.1109/visual.2000.885731 dblp:conf/visualization/ForsbergLDKKE00 fatcat:pnha4ikjbbabnetwnvkchekmke

Feature article - Particle flurries synoptic 3d pulsatile flow visualization

J.S. Sobel, A.S. Forsberg, D.H. Laidlaw, R.C. Zeleznik, D.F. Keefe, I. Pivkin, G.E. Karniadakis, P. Richardson, S. Swartz
2004 IEEE Computer Graphics and Applications  
An immersive viewing environment promised to more effectively display complex 3D structures, thus our primary challenge was to design an effective 3D visualization based on the motivational 2D visualization  ...  PF tries to satisfy four goals: I represent all flow features, I depict flow at artery surfaces, I allow user interaction, and I avoid visually overwhelming the viewer.  ...  This work used the Virtual Reality Peripheral Network (VRPN) library, which is supported by the US National Institutes of Health National Research Resource in Molecular Graphics and Microscopy at the University  ... 
doi:10.1109/mcg.2004.1274065 pmid:15387231 fatcat:kabufyk7svax5g3lq2ymilcs4i

Immersive volume rendering of blood vessels

Gregory Long, Han Suk Kim, Alison Marsden, Yuri Bazilevs, Jürgen P. Schulze, Ian E. McDowall, Margaret Dolinsky
2012 The Engineering Reality of Virtual Reality 2012  
We use animation to convey time series data, wireframe surface to give structure, and utilize the StarCAVE, a 3D virtual reality environment, to add a fully immersive element to the visualization.  ...  Full immersion in the flow field allows for a more intuitive understanding of the flow phenomena, and can be a great help to medical experts for treatment planning.  ...  Our application is running in the StarCAVE, an immersive 3D virtual reality cave environment. One of the main advantages of using the StarCAVE is the 3D stereoscopic vision.  ... 
doi:10.1117/12.909729 fatcat:jznygnnxmvfnxfh3c62qsijc2y

Research in Neuroscience and Virtual Reality [chapter]

Beatriz Rey, Mariano Alcaiz
2010 Virtual Reality  
through an environment.  ...  considered that three sources of information were available for this learning process: visual information in the form of optic flow (the pattern of visual motion at the moving), visual information about  ...  The most typical fields for the application of virtual reality are medicine and engineering.  ... 
doi:10.5772/13198 fatcat:eprpjkx5grfuvh6sybzqjnbssq

Virtual Reality-Based Interactive Scientific Visualization Environments [chapter]

Joseph J. LaViola, Prabhat, Andrew S. Forsberg, David H. Laidlaw, Andries van Dam
2008 Trends in Interactive Visualization  
Immersive Virtual Reality (IVR) has some production applications (e.g., in vehicle design and psychiatric treatment), but it is often viewed as an expensive, over-hyped technology with insufficient and  ...  At Brown University, we have been researching immersive scientific visualization systems by developing interactive systems with domain scientists in a variety of fields, including archaeology, biology,  ...  We believe immersive virtual reality has the potential to provide substantial benefit for these complex visualization problems.  ... 
doi:10.1007/978-1-84800-269-2_10 fatcat:5fowtdkccjf3ncplcjbk5a3f2i

Experiments in Immersive Virtual Reality for Scientific Visualization

Andries van Dam, David H Laidlaw, Rosemary Michelle Simpson
2002 Computers & graphics  
This article provides a snapshot of immersive virtual reality (IVR) use for scientific visualization, in the context of the evolution of computing in general and of user interfaces in particular.  ...  Our ability to produce large datasets both through numerical simulation and through data acquisition via sensors is outrunning our ability to make sense of those datasets.  ...  We also are grateful for the support of our sponsors, including NSF, through the NSF Science and Technology Centre for Computer Graphics and Scientific Visualization (whose members are Brown, Caltech,  ... 
doi:10.1016/s0097-8493(02)00113-9 fatcat:cvhdqfjm35gqtpsuyt5wyw6bly

Virtual Reality Data Visualization for Team-Based STEAM Education: Tools, Methods, and Lessons Learned [chapter]

Daniel F. Keefe, David H. Laidlaw
2013 Lecture Notes in Computer Science  
We present a discussion of tools, methods, and lessons learned from nearly ten years of work using virtual reality data visualization as a driving problem area for collaborative practice-based STEAM education  ...  Within the classroom, an important aspect of our approach is including art and design students directly in real scientific research, often extended beyond the computer science aspects of data visualization  ...  Thanks to David Nuckley and Arin Ellingson who provided data for the spinal kinematics example. This work was supported in part by the National Science Foundation (IIS-1054783, IIS-1218058).  ... 
doi:10.1007/978-3-642-39420-1_20 fatcat:5rkqvhiwonfxzeb44otvvaerlq

Immersive Terrestrial Scuba Diving Using Virtual Reality

Dhruv Jain, Misha Sra, Jingru Guo, Rodrigo Marques, Raymond Wu, Justin Chiu, Chris Schmandt
2016 Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems - CHI EA '16  
We propose a virtual reality system, Amphibian that provides an immersive SCUBA diving experience through a convenient terrestrial simulator.  ...  Users receive visual and aural feedback through the Oculus Rift head-mounted display and a pair of headphones.  ...  Llyr ap Cenydd of Bangor University, UK for the Oculus Rift app code, and MIT students and staff Cornelle King, Harpreet Sareen, Damie n Martin and Udayan Umapathi for their he lp with the project.  ... 
doi:10.1145/2851581.2892503 dblp:conf/chi/JainSGMWCS16 fatcat:llak75hhhfftth7py5bx3kwsue

Virtual Reality to teach anatomy [article]

Marta Fairén, Mariona Farrés, Jordi Moyés, Esther Insa
2017 Eurographics State of the Art Reports  
We present an experiment designed to expose students to a VR session where they can directly inspect 3D models of several human organs by using Virtual Reality systems.  ...  Virtual Reality (VR) and Augmented Reality (AR) have been gradually introduced in the curriculum of schools given the benefits they bring to classical education.  ...  Instead, by using Virtual Reality the students live an active experience, where immersion makes them fully engaged in the activity, without distractions.  ... 
doi:10.2312/eged.20171026 fatcat:i3fsqw3u7ff3pes3jij6lllfs4

Virtual Reality Becomes Reality in Plastic Surgery

Chantal L. Rawn, Paul J. Gorman, William P. Graham, III, Thomas M. Krummel, Donald R. Mackay
2000 Perspectives in Plastic Surgery  
Advances in visualization, instrumentation, and computing power have led to developments in virtual reality (VR) and simulation.  ...  The advent and growth of this technology offers an effective means of addressing concerns regarding plastic surgical training, education, and practice in the modern healthcare environment.  ...  visual contact with the outside world. 8, 10 In some instances, a partial visual immersion creating an augmented, rather than virtual, reality is necessary to provide the surgeon with immediate access  ... 
doi:10.1055/s-2000-8431 fatcat:fv5pzhrngrdjvpfgiewm33esva

MANAGING OVERTOURISM THROUGH VIRTUAL TOURISM DURING COVID-19 PANDEMIC

A.S. Bafadhal
2021 Russian Journal of Agricultural and Socio-Economic Sciences  
This study proposed an alternative solution for this problem by developing a web VR-based virtual tourism.  ...  Virtual tourism provides a realistic virtual experience that shortens the duration of visits, thereby reducing the visitor flow and controlling overtourism during the Covid-19 pandemic.  ...  In line with the UNWTO strategy (2018), which aims to spread the flow of tourists in space and time to prevent overtourism, virtual reality for tourism can be applied.  ... 
doi:10.18551/rjoas.2021-08.01 fatcat:mj7gil4syvdbvizm7g3dx5kqve

Virtual reality and 3D visualizations in heart surgery education

Reinhard Friedl, Melitta B Preisack, Wolfgang Klas, Thomas Rose, Sylvia Stracke, Klaus J Quast, Andreas Hannekum, Oliver Gödje
2002 Heart Surgery Forum  
The presented paper describes the development of virtual reality (VR) and 3D visualizations for educational purposes concerning aortocoronary bypass grafting and their prototypical implementation into  ...  It is highly interactive and the user is able to rotate it, move it, zoom in for details or even fly through.  ...  Michael Schefer for their advice and review of the manuscript.  ... 
pmid:12732500 fatcat:edozct4iaze5rmjw7wfneme4vm

Virtual Reality Visualization of CFD Simulated Blood Flow in Cerebral Aneurysms Treated with Flow Diverter Stents

Sima Baheri Islami, Mike Wesolowski, William Revell, Xiongbiao Chen
2021 Applied Sciences  
Virtual reality (VR) has the potential to be a powerful tool for the visualization of simulated blood flow in cerebral aneurysms.  ...  need for several slices through the parent artery and aneurysm, as is required for traditional postprocessing methods.  ...  Acknowledgments: We would like to thank Arjun Puri from Luxsonic Technologies for the provision of the headset to carry out visualization in the virtual reality environment.  ... 
doi:10.3390/app11178082 fatcat:larzeja5svckznequxhg5xxuzm

Multi-modal Interaction in Biomedicine [chapter]

Elena V. Zudilova, Peter M. A. Sloot
2005 Lecture Notes in Computer Science  
The VRE is an interactive simulation-visualization complex aimed to help in making diagnosis and treatment planning for vascular disorders.  ...  Finally, conclusions and plans for future research are presented in section 6. 2 Stenosis is a narrowing or blockage of the artery [21] 3 An aneurysmal disease is a balloon like swelling in the artery  ...  We also would like to acknowledge Dutch hospitals for their participation in user profiling, as well as Henriette Cramer and Dr. Vanessa Evers for their contribution to this research.  ... 
doi:10.1007/978-3-540-32263-4_9 fatcat:3abp7xbt2rhfjlyrz4xeuklrzu

Virtual Reality in the Preoperative Planning of Adult Aortic Surgery: A Feasibility Study

Djamila Abjigitova, Amir H. Sadeghi, Jette J. Peek, Jos A. Bekkers, Ad J. J. C. Bogers, Edris A. F. Mahtab
2022 Journal of Cardiovascular Development and Disease  
This pilot study aimed to investigate the technical feasibility of virtual reality (VR) as an additional imaging tool for preoperative planning in ascending aortic surgery.  ...  Results: Compared with conventional imaging, 80% of surgeons found that VR prepared them better for surgery.  ...  Virtual reality is (VR) an emerging and promising technique that enables the creation of digital objects and virtual animations in an immersive digital environment that can be visualized and interacted  ... 
doi:10.3390/jcdd9020031 pmid:35200685 pmcid:PMC8879426 fatcat:vnom7itftffmjd5mpwruktrsem
« Previous Showing results 1 — 15 out of 2,231 results