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21 results for “Virtual reality model”
IHTApark. Multi-detailed 3D architectural model for sound perception research in Virtual Reality
<p><strong>IHTApark – Multi-detailed 3D architecture model</strong></p> <p>This dataset describes visual and acoustic 3D architectural models of the park next to the IHTA.</p> <p>Institute of Hearing Technology and Acoustics (IHTA), RWTH Aachen, 52056 Aachen, Germany</p> <p>Files are stored in FBX format for geometry, JPEG format for visual textures, and Unreal Engine for the virtual reality scenes.</p> <p><strong>VERSION 1: Visual photogrammetry + Acoustic model</strong></p> <p>As used in the publication:</p> <p>[1] Llorca-Bofí, J. and Vorländer, M. (2021). Multi-Detailed 3D Architectural Framework for Sound Perception Research in Virtual Reality. Front. Built Environ. 7:687237.doi: https://doi.org/10.3389/fbuil.2021.687237</p> <p>Data is available separately for each definition, and for each visual and acoustic cue. The level of detail for each definition is shown here:</p> <ul> <li>Visual cues <ul> <li>Geometries <ul> <li>HighLOD</li> </ul> </li> </ul> </li> <li>Acoustic cues <ul> <li>Geometries <ul> <li>HighLOD</li> </ul> </li> </ul> </li> </ul> <p>This version of the model includes only the modules used for the description of the referenced paper. The authors reserve the right to complete other levels of detail if future applications require them.</p> <p>An additional data file contains a unique file in [IHTApark_UnrealEngine] Unreal Engine format, with the set up scenario. The instructions to open the final scenario are described here:</p> <ol> <li>Download the [IHTApark_UnrealEgine] file, and save it in your working space.</li> <li>Extract the content of the [IHTApark_UnrealEngine]. The folder naming and arrangement are prepared for the scenario.</li> <li>Run the .uproject file.</li> <li>Open a <strong>Content Browser</strong> tab to navigate through the folder hierarchy. You can open the <strong>Content Browser</strong> under the tabs <strong>Window > Content Browser</strong></li> <li>Open the <strong>IHTApark</strong> map under the folder <strong>Content > Maps</strong> by double clicking on it.</li> <li>The scenario will be visible in the <strong>Viewport 1</strong> tab. Go to <strong>Window > Viewports > Viewport 1</strong> to open the tab.</li> <li>Press key <strong>G</strong> to hide or unhide the helpers and editor actors.</li> <li>Press keys <strong>0,</strong> <strong>1</strong>, <strong>2</strong>, <strong>3</strong>… <strong>9</strong> to jump into different saved view positions.</li> <li>Drag the mouse while pressing right click to rotate the viewer direction</li> <li>While pressing right click, press key <strong>W</strong> to navigate through the scenario.</li> </ol> <p><strong>VERSION 2: Object-based visualization in three different weather conditions</strong></p> <p>As used and described in the publication:</p> <p>[2] Submitted to journal.</p> <p>The file [IHTApark_3weath_comp] Unreal Engine format contains the set up scenario. The instructions to open the final scenario are described here:</p> <ol> <li>Download the [IHTApark_3weath_comp] file, and save it in your working space.</li> <li>Extract the content of the [IHTApark_3weath_comp]. The folder naming and arrangement are prepared for the scenario.</li> <li>Run the .uproject file.</li> <li>Open a <strong>Content Browser</strong> tab to navigate through the folder hierarchy. You can open the <strong>Content Browser</strong> under the tabs <strong>Window > Content Browser</strong></li> <li>Open the <strong>IHTApark_warm</strong>, <strong>IHTApark_wet </strong>or<strong> IHTApark_snowy</strong> maps under the folder <strong>Content > Maps</strong> by double clicking on it to visualize each weather condition.</li> <li>The scenario will be visible in the <strong>Viewport 1</strong> tab. Go to <strong>Window > Viewports > Viewport 1</strong> to open the tab.</li> <li>Press key <strong>G</strong> to hide or unhide the helpers and editor actors.</li> <li>Press keys <strong>0,</strong> <strong>1</strong>, <strong>2</strong>, <strong>3</strong>… <strong>9</strong> to jump into different saved view positions.</li> <li>Drag the mouse while pressing right click to rotate the viewer direction</li> <li>While pressing right click, press key <strong>W</strong> to navigate through the scenario.</li> </ol> <p>The folder [IHTApark_3weathers_audio] contains the sound signals, as .wav files, in fist order ambisonics format (B-format).</p> <p> </p>
The human splenic microcirculation is entirely open as shown by 3D models in virtual reality. Supplementary files
<p>These materials supplement our paper "The human splenic microcirculation is entirely open as shown by 3D models in virtual reality".</p> <p><strong>Summary</strong></p> <p>The human spleen is equipped with an organ-specific microcirculation. The initial part of the venous circulation is formed by spleen-specific large microvessels, the sinuses. Sinuses eventually fuse to form venules and veins. For more than 170 years there have been debates, whether splenic red pulp capillaries join sinuses, i.e., whether the microcirculation is closed or open - or even simultaneously closed and open. We have now solved this question by three-dimensional reconstruction of a limited number of immunostained serial sections of red and white pulp areas, which were visualized in virtual reality. Splenic capillaries have special end structures exhibiting multiple small diverging endothelial cell processes, which always keep a certain distance to the walls of sinuses. Only very few capillary ends were difficult to diagnose. Positive identification of these end structures permits to conclude that the human splenic microcirculation is entirely open. This is also true for the perifollicular capillary network and for capillaries close to red pulp venules. Follicles are supplied by a relatively dense open perifollicular capillary net, which is primarily, but not exclusively, fed by sheathed and few non- sheathed capillaries from the surrounding red pulp network.</p> <p> </p> <p><strong>Interactive models</strong></p> <p>Each <em>file_sX.zip</em> contains a 3D model, registered sequence of serial sections (the input data to generate and validate the model), and an interactive / VR viewer. After you have unzipped the file, there are multiple batch files. Any of them can be used for an interactive model display on a normal monitor, but we recommend the file <em>start_index.bat</em>. Now, if you have a virtual reality headset or a 4K monitor, there are better options:</p> <ul> <li>If you have a HTC Vive-compatible headset (i.e., the "wand" controllers, typically coming with HTC Vive, Vive Pro, Vive Pro 2, etc.), please use <em>start_vive.bat</em>.</li> <li>If you have a Valve Index headset (i.e., the "knuckles" controllers, should also work with Oculus devices), please use <em>start_index.bat</em>.</li> <li>If you have a high-resolution monitor (4K or better), please use <em>start_interactive_4k.bat</em> for a high-resolution interactive model.</li> </ul> <p>In the zip-file is also a <em>README.txt</em> file with instructions on the controls for the interactive and VR viewer. It is also available in the viewer at press of F1 button. In a nutshell: </p> <ul> <li>ASWD control the movement</li> <li>I (the "i" key) turns the sections on and off</li> <li>JK advance the sections</li> <li>CV adjust the height</li> <li>E turns the model on and off.</li> </ul> <p>The viewer executables are built for Windows. They work with Windows 10, should work with previous versions of Windows (64 bit) and also with future versions, such as Windows 11. Users of other OS, such as MacOS or Linux, can use <a href="https://www.meshlab.net/">MeshLab</a> to look at the model. Any image viewer can be used to inspect the sections in the <em>img</em> folder of the unpacked zip file. However, in this case, no VR experience and no simultaneous view of both 3D reconstruction and the sections is possible.</p> <p> </p> <p><strong>Videos</strong></p> <p>The videos with the same content are mostly supplied in three versions:</p> <ul> <li>On any modern hardware you should be able to play the H.265 videos, ending in <em>...4K_h265_10bit.mov</em>, there are in 4K resolution</li> <li>If it is not the case, but you want 4K resolution, use the H.264 version, ending in <em>...4K_h264_10bit.mov,</em> it is also in 10 bit quality</li> <li>A fallback for weaker hardware and maximal compatibility is the H.264 FullHD version. It should play anywhere. Those files end in <em>...1080p_h264.mov.</em></li> </ul> <p> </p> <p><strong>Supplementary Figures S1 and S2</strong></p> <p>The supplementary figures with their legends are available in the file <a href="https://zenodo.org/record/6599487/files/supp.pdf"><em>supp.pdf</em></a>.</p> <p> </p> <p><strong>3D models corresponding to Figs. 4a-d</strong></p> <p><a href="https://zenodo.org/record/6599487/files/file_s1.zip?download=1">Supplementary file S1</a>. 3D model of ROI 1 with open capillary ends in red</p> <p><a href="https://zenodo.org/record/6599487/files/file_s2.zip?download=1">Supplementary file S2</a>. 3D model of ROI 2 with open capillary ends in red</p> <p><a href="https://zenodo.org/record/6599487/files/file_s3.zip?download=1">Supplementary file S3</a>. 3D model of ROI 3 with open capillary ends in red</p> <p><a href="https://zenodo.org/record/6599487/files/file_s4.zip?download=1">Supplementary file S4</a>. 3D model of ROI 4 with open capillary ends in red</p> <p> </p> <p><strong>File corresponding to Fig. 7a</strong></p> <p><a href="https://zenodo.org/record/6599487/files/file_s5.zip?download=1">Supplementary file S5</a>. 3D model of sinus network and open capillary ends in red</p> <p> </p> <p><strong>Files corresponding to Figs. 9a,b</strong></p> <p><a href="https://zenodo.org/record/6599487/files/file_s6.zip?download=1">Supplementary file S6</a>. 3D model of ROI 2 with perifollicular capillary network in red correspondig to Fig. 9a</p> <p><a href="https://zenodo.org/record/6599487/files/file_s7.zip?download=1">Supplementary file S7</a>. 3D model of ROI 2 with perifollicular capillary network in red and open ends in yellow corresponding to Fig. 9b</p> <p> </p> <p><strong>Videos corresponding to Figs 5a-f</strong></p> <p><a href="https://zenodo.org/record/6599487/files/sinus_-_video_s1_4K_h264_10bit.mov">Supplementary video S1</a>. Two capillaries with open ends in Fig. 5a-c</p> <p><a href="https://zenodo.org/record/6599487/files/sinus_-_video_s2_4K_h264_10bit.mov">Supplementary video S2</a>. Capillary with at least two open ends in Fig. 5d-f</p> <p> </p> <p><strong>Videos corresponding to Figs 6a-d</strong></p> <p><a href="https://zenodo.org/record/6599487/files/sinus_-_video_s3_1080p_h264.mov">Supplementary video S3</a>. Quality control of open ends shown in Fig. 5a-c and Fig. 6a,b</p> <p><a href="https://zenodo.org/record/6599487/files/sinus_-_video_s4_1080p_h264.mov">Supplementary video S4</a>. Quality control of open end shown in Fig 5d-f and Fig. 6c,d</p> <p> </p> <p><strong>Videos corresponding to Fig. 4d and Figs 8a-f</strong></p> <p><a href="https://zenodo.org/record/6599487/files/sinus_-_video_s5_1080p_h264.mov">Supplementary video S5</a>. Control of open capillary end shown in Fig. 8a-c</p> <p><a href="https://zenodo.org/record/6599487/files/sinus_-_video_s6_1080p_h264.mov">Supplementary video S6</a>. Control of open capillary end shown in Fig. 8d-f</p>
Photogrammetry-based model of the Copacabana for auralization and audio-visual perception studies in virtual reality
<p>This dataset contains photogrammetry-based audio-visual models from Copacabana. They are used for urban sound auralization as well as for audio-visual perception studies in virtual reality.</p> <p>Photogrammetry model available in the following formats: 3ds, dae, dxf, fbx, obj, stl</p> <p>Simplified CAD model for acoustic simulations available in format: dae</p>
Ryanodine receptor model exploration in Virtual Reality with UnityMol
<p>Here we provide supplementary material to our article on integrative modeling. We explor one of the models generated for the ryanodine receptor.</p> <p> </p> <p>In particular, we show ryanodine receptor model exploration in Virtual Reality with UnityMol, demonstrating also some features of the software.</p> <p> </p> <p>The exploration looks at the overall structure, the packing integrity of the subunits, the channel pore, the channel constriction, the S6 helix and the transmembrane domain in particular.</p>
Autonomous Vehicle Communication Strategies Modeled in Virtual Reality
<p>We sought to better understand how autonomous vehicle (AV) communication strategies impact human road users’ perceptions and behaviors. More specifically, we explored the impact of different external human-machine interface (eHMI) designs on understanding, task load, comfort, trust, acceptance, and reaction time. To accomplish this, we created virtual reality (VR) scenarios where human participants interacted with AVs. Participants experienced biking, driving, and pedestrian simulators and were brought back after initial testing to explore acclimation and learning effects. In terms of perceptions, the presence of an eHMI was the strongest predictor of understanding, comfort, trust, and acceptance outcomes in the statistical models when controlling for all other variables. There was a clear divide between text-based eHMIs and non-text eHMIs, with text-based eHMIs reporting better perception scores and the LED Windshield reporting the worst perception scores. There were perception acclimation effects detected (most notable for task load and comfort), but they had less of an impact than the presence of an eHMI. Perception outcomes had weaker relationships with participant characteristics than with AV characteristics. While behavioral outcomes should be interpreted with caution because of low participant sample sizes, behavioral results largely mirrored perception results in that significant reductions in reaction time were observed with the presence of an eHMI (3.69 second reduction), yielding (3.16 second reduction), and acclimation (0.134 second reduction per trial). Results suggest that eHMI design, AV behavior, and acclimation are most impactful in terms of both perceptions and reaction time.</p>
Using Virtual Reality (VR) Models for Preoperative Planning
ClinicalTrials.gov study NCT03334344. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Analysis: Systematic literature review PRISMA model results about extended, virtual and augmented reality applied to Science Communication
<div> <p>The results of the analysis made after the PRISMA process of the systematic literature review carried out about results about extended, virtual and augmented reality applied to Science Communication.</p> </div>
Dataset for the publication: Factors associated with risky drinking decisions in a virtual reality alcohol prevention simulation: A structural equation model
<p>This dataset includes the data from the publication <em>Factors associated with risky drinking decisions in a virtual reality alcohol prevention simulation: A structural equation model. </em>The first table sheet lists the data of the variables; the second table sheet describes the coding of the variables. </p>
3D Printed Model Simulator or Virtual Reality Software for Training Fiberoptic Intubation Skill
ClinicalTrials.gov study NCT05143606. IPD Sharing: NO. Countries: 1. Publications: 10.
Effect of Nursing Interventions Using Roy Adaptation Model with Virtual Reality on Social Anxiety in Youth
ClinicalTrials.gov study NCT06586944. IPD Sharing: YES. Countries: 1. Publications: 0.
Using Virtual Reality (VR) Models for Robotic Prostatectomy
ClinicalTrials.gov study NCT03943368. IPD Sharing: NO. Countries: 1. Publications: 2.
Systematic literature review PRISMA model results about extended, virtual and augmented reality applied to Science Communication
<p>The results of the PRISMA process of the systematic literature review carried out about results about extended, virtual and augmented reality applied to Science Communication.</p>
Impact of Virtual Reality Model for Pelvic Floor Anatomy on Users' Educational Level and Experience
ClinicalTrials.gov study NCT06765096. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Using Virtual Reality (VR) Models for Robotic Prostatectomy - UNC
ClinicalTrials.gov study NCT03870269. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Virtual Reality 3D-Surgery Modeling to Enhance Head and Neck Cancer Surgery Quality
ClinicalTrials.gov study NCT05031910. IPD Sharing: NO. Countries: 1. Publications: 0.
Contribution of Virtual Reality and Modelling in Falling Risk Assessment in Elderly and Parkinson's Disease Patients
ClinicalTrials.gov study NCT03848897. IPD Sharing: NO. Countries: 1. Publications: 0.
Effect of Virtual Reality Training by Novices on Laparoscopic Cholecystectomy in a Porcine Model
ClinicalTrials.gov study NCT00460980. IPD Sharing: Not stated. Countries: 1. Publications: 0.
3-Dimensional Virtual Reality Modelling With Intravascular Indocyanine Green Fluorescence Mapping for Targeted Pulmonary Segmental Resection Trial
ClinicalTrials.gov study NCT06638125. IPD Sharing: NO. Countries: 1. Publications: 0.
Data Visualization of Kidney and Prostate Tumors Using Routine Pre-Operative Imaging, 3D Printed, and 3D Virtual Reality Models
ClinicalTrials.gov study NCT03656822. IPD Sharing: Not stated. Countries: 1. Publications: 0.
VR Goggles-Supported Virtual Reality Model in Midwifery Basic Clinical Skills Training
ClinicalTrials.gov study NCT07260929. IPD Sharing: NO. Countries: 0. Publications: 0.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.