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882 results for “3D models”
A Facial Motion Capture System Based on Neural Network Classifier Using RGB-D Data-Figure 7. Avatar 3D model generation
<p>Face region is separated precisely from video frames by using a segmentation method based on skin color. The depth data corresponding to this separated area is taken for a 3D representation from depth data corresponding to each frame. At the end, a file is prepared for each frame consisting of face points with 6 features: X, Y, depth, red, green and blue color. These data are used for producing a 3D model and a graphical avatar for each frame (Figure 7). Figure 8 shows 3D model of some facial expressions.</p>
Ruthwell Cross - 3D Model Ambient (15M)
<p>This is a High-Resolution Ambient 3D model the Ruthwell Cross, developed as part of the ongoing Visionary Cross project. This model has a 15M poly count.</p> <p>This record contains:</p> <ul> <li>An xml record: <a href="https://zenodo.org/record/1490879/_Ruthwell_3DModel_Ambient_15M_Metadata.xml">_Ruthwell_3DModel_Ambient_15M_Metadata.xml</a></li> <li> A 3D Model of the Ruthwell cross: <a href="https://zenodo.org/record/1490879/cross_AmbientOcclusion_15M.ply">cross_AmbientOcclusion_15M.ply</a> </li> <li>A 2D thumbnail: <a href="https://zenodo.org/record/1490879/Ruthwell_Cross00.png">Ruthwell_Cross00.png</a></li> </ul> <pre>The DOI for this version of the record is <a href="https://zenodo.org/record/1490879">10.5281/zenodo.1490879</a>. The DOI <a href="https://zenodo.org/record/1490878">10.5281/zenodo.1490878</a> always points to the latest version of this record.</pre> <p>This file in .ply format is best viewed using 3DHOP, but can also be viewed using 3D rendering software like MeshLab.</p> <p>For individual panels and other related material go to The Visionary Cross community at:</p> <p>https://zenodo.org/communities/the_visionary_cross/</p> <p> </p> <p> </p>
Ruthwell Cross 3D Model High Resolution (112M poly count)
<p>This is a very High-Resolution 3D model the Ruthwell Cross, developed as part of the ongoing Visionary Cross project. This model has a 112M poly count.</p> <p>This record contains:</p> <ul> <li>An xml record: <a href="http://zenodo.org/record/1490878/_Ruthwell_3DModel_112M_Metadata.xml">_Ruthwell_3DModel_112M_Metadata.xml</a></li> <li> A 3D Model of the Ruthwell cross: <a href="https://zenodo.org/record/1490878/cross_ColorMapped_112M.ply">cross_ColorMapped_112M.ply</a> </li> <li>A 2D thumbnail: <a href="https://zenodo.org/record/1490878/Ruthwell_Cross00.png">Ruthwell_Cross00.png</a></li> </ul> <pre>The DOI for this version of the record is <a href="https://zenodo.org/record/1490878">10.5281/zenodo.1490878</a>. The DOI <a href="https://10.5281/zenodo.1233638">10.5281/zenodo.1233638</a> always points to the latest version of this record.</pre> <p>This file in .ply format is best viewed using 3DHOP, but can also be viewed using 3D rendering software like MeshLab.</p> <p>For individual panels and other related material go to The Visionary Cross community at: https://zenodo.org/communities/the_visionary_cross/</p>
3D model of buildings in the center of Warsaw
<p>Data for building the model were obtained from laser scanning with a density of 16 points per square meter. On the basis of point cloud 3D model of the city center of Warsaw has been developed.</p>
Yerrida Basin 3D geological model and gravity inversion results
<p>This dataset contains an archive for an implicit 3D geological model of the Yerrida Basin, southern Capricorn region, Western Australia.</p> <p><strong><em>Yerrida_Basin_3D.zip </em></strong>is a GeoModeller three dimensional geological model. Also included are 2D and 3D voxets resulting from inversion of gravity data using the geological model as a constraint. Geomodeller software is available from here: <a href="https://www.intrepid-geophysics.com/ig/index.php?page=downloads">https://www.intrepid-geophysics.com/ig/index.php?page=downloads</a></p> <p>This is a companion dataset for the paper submitted to the scientific journal Solid Earth: Mapping undercover: integrated geoscientific interpretation and 3D modelling of a Proterozoic basin.<em> </em>Mark D Lindsay, Sandra Occhipinti, Crystal LaFlamme, Alan Aitken, Lara Ramos.</p> <p> </p>
Yerrida Basin 3D 'Noddy' geological and forward models
<p>This dataset contains an archive for kinematic 3D geological models of the Yerrida Basin, southern Capricorn region, Western Australia. These models were used to investigate the influence of adding high density material (the mafic Killara Formation) on the calculated gravitational response.</p> <p><strong><em>Yerrida_Basin_3D_Noddy.zip </em></strong>is a set of three dimensional 'Noddy' geological models.</p> <p>1. <strong>Yerrida_gravity_response_noKillara.his </strong>A model with no Killara Formation.</p> <p>2. <strong>Yerrida_gravity_response-500mKillara.his</strong> A model with 500 m thick Killara Formation.</p> <p>3. <strong>Yerrida_gravity_response-2000mKillara.his</strong> A model with 2000 m thick Killara Formation.</p> <p>Corresponding gravity responses (*.grv) files are supplied.</p> <p>A Noddy executable installation file in Windows format is supplied in this archive or can be downloaded from <a href="http://tectonique.net/noddy/">http://tectonique.net/noddy/</a></p> <p>This is a companion dataset for the paper submitted to the scientific journal Solid Earth: Mapping undercover: integrated geoscientific interpretation and 3D modelling of a Proterozoic basin.<em> </em>Mark D Lindsay, Sandra Occhipinti, Crystal LaFlamme, Alan Aitken, Lara Ramos.</p>
Injectable, Scalable 3D Tissue-Engineered Model of Marrow Hematopoiesis
<p>Raw data associated with the publication "<strong>Injectable, Scalable 3D Tissue-Engineered Model of Marrow Hematopoiesis"</strong></p> <p><a href="https://www.sciencedirect.com/science/article/pii/S0142961219307641"><strong>DOI: 10.1016/j.biomaterials.2019.119665</strong></a></p>
Creació d'un model 3D en Qgis amb el plugin Qgis2threejs
<p>In this video is shown how to create a 3D model of landscape with Digital Elevation Modem and vectorials thanks to the Qgis2threejs (<a href="https://github.com/minorua/Qgis2threejs">https://github.com/minorua/Qgis2threejs</a>)in Qgis (<a href="http://qgis.org">http://qgis.org</a>). The original file used in here can be found at github <a href="https://raw.githubusercontent.com/dieza/curso_r/master/taula_incompleta.csv">https://raw.githubusercontent.com/dieza/curso_r/master/taula_incompleta.csv</a>. The whole set is about the circulation of obsidian in the western mediterranean during the Neolithic. </p> <p>Terradas, X., Gratuze, B., Bosch, J., Enrich, R., Esteve, X., Oms, F. X., & Ribé, G. (2014). Neolithic diffusion of obsidian in the western Mediterranean: new data from Iberia. Journal of archaeological Science, 41, 69-78.</p> <p>Tykot, R. H. (2017). Obsidian Studies in the Prehistoric Central Mediterranean: After 50 Years, What Have We Learned and What Still Needs to Be Done?. Open Archaeology, 3(1), 264-278.</p>
Semi-Supervised Pre-trained Foundation Model for 3D Structural Feature Analysis of Seismic Images
<p>Codes, trained model, and datasets for the paper "Semi-Supervised Pre-trained Foundation Model for 3D Structural Feature Analysis of Seismic Images".</p>
Figure 2 3D in A 3D model to illustrate the nest architecture of Acromyrmex balzani (Hymenoptera; Formicidae)
Figure 2 3D profile of nests 5 to 8, showing turret height and maximum depth. a: nest 5; b: nest 6; c: nest 7 and d: nest 8.
Figure 3 in A 3D model to illustrate the nest architecture of Acromyrmex balzani (Hymenoptera; Formicidae)
Figure 3 Pearson's Correlation between the number of workers and the number of chambers (a); between the number of workers and the nest volume (b) and between the number of chambers and the nest volume (c), with their respective r and p values.
Fig. 5. Modeled 3D in Response to enantiomers of (Z3Z9)-6,7-epoxy-octadecadiene, sex pheromone component of Ectropis obliqua Prout (Lepidoptera: Geometridae): electroantennagram test, field trapping, and in silico study
Fig. 5. Modeled 3D structure and validation of EoblPBP1. (A) Sequence alignment of EoblPBP1 and template 1DQE_A. α-helices are displayed as squiggles. Identical residues are highlighted in white letters with deep blue background. (B) Overall structure of the EoblPBP1. Three disulfide bonds are in red. N-terminus, C-terminus, and α-helices are labeled. Two potential key residues: Thr117 and Arg 121 are in orange. (C) Ramachandran plot of EoblPBP1.
Fig. 10 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 10. Hydrodynamic restoration of the Baculites compressus 3D printed model following overdamped harmonic motion. Apertural angle (θa) measured in degrees as a function of time after rotating approximately 38° from the equilibrium orientation. An angle of -90° represents a condition where the aperture is directed downwards. The function of decay in θa with time is represented by the grey dashed curve. Note that this model restores more quickly and does not oscillate about the equilibrium orientation.
Fig. 7 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 7. Virtual and physical hydrostatic models of Nautilus pompilius with computed percentage of the phragmocone emptied for neutral buoyancy (Φ) and hydrostatic stability (St). The tip of the up-side-down pyramid = center of buoyancy. The tip of the right-side-up pyramid = total center of mass. A. External view of the virtual model. B. Medial section of the virtual model with each component of unique density (green, soft body; red, cameral gas; blue, cameral liquid; grey, shell). C. Modified virtual model with simplified internal geometry and bismuth counterweight (yellow, PLA plastic; red, air; blue, liquid; purple, bismuth counterweight). D. Neutrally-buoyant, 3D printed model. The differences in Φ and the apertural angle (θa) are a result of the mass discrepancy (Table 5) and irregular geometry of the balloon. The error in St was computed assuming that the total mass discrepancy was distributed in the positive or negative z-directions.
Fig. 9 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 9. Virtual and physical hydrostatic models of Baculites compressus with computed percentage of the phragmocone emptied for neutral buoyancy (Φ) and hydrostatic stability (St). Green, soft body; grey, shell; red, gas; blue, liquid; yellow, PLA plastic; purple, bismuth counterweight; B, center of buoyancy; M, center of mass. A. Virtual model with an even distribution of cameral liquid and gas in the phragmocone (center of mass of cameral liquid and gas = center of volume of the phragmocone; cameral liquid and gas not shown). B. Modified virtual model with simplified internal geometry ("Modified 1" in Table 3). C. Neutrally-buoyant, 3D printed model. D. Modified virtual model with simplified internal geometry and axel hole through pivot point of rotation ("Modified 2" in Table 3). E. Neutrally-buoyant, 3D printed model fixed to an axel and silicone tubing used to supply thrust in the ventral direction. For this model, the mass discrepancy (Table 5) resulted in a slightly lower of 97.3%, but was held constant at 100%. All computed errors in St were computed assuming that the total mass discrepancy was distributed in the positive or negative z-directions.
Fig. 6 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 6. Hydrostatic models of Baculites compressus with computed percentage of the phragmocone emptied for neutral buoyancy (Φ) and hydrostatic stability (St). All models are oriented dorsum-left. The centers of buoyancy are marked by the tip of the higher pyramid. The total centers of mass are marked by the tip of the lower pyramid. Each material of unique density is designated a color (green, soft body; red, cameral gas; blue, cameral liquid; transparent grey, shell). A. Virtual model with 40% body chamber length to total length (BCL/L). B. Virtual model with 33% BCL/L and adorally distributed cameral liquid. C. Virtual model with 33% BCL/L and adapically distributed cameral liquid. D, E. B. compressus model modified with a concave dorsum similar to B. grandis and 33% BCL/L. Adorally (D) and adapically (E) distributed cameral liquid.
Fig. 3. Full 3D in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 3. Full 3D model of Baculites compressus with model components. A. Complete, digitally-reconstructed shell rendered in X-ray view to show internal structure. B. Three-dimensional model the soft body. C. Three-dimensional model of the cameral volumes within the phragmocone.
Fig. 4 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 4. Generation of a 3D printed model of Nautilus pompilius with theoretically equal physical properties to the virtual counterparts. A. Original virtual model from Peterman et al. (2019: fig. 2.5). B. Modified virtual model with simplified internal geometry. The center of buoyancy remains the same because external geometry does not change. The total center of mass, however, is corrected by a bismuth counterweight of known volume, density, and mass. C. 3D printed posterior half of the physical model with bismuth counterweight in the computed position. D. Anterior half of the physical model showing the one-way valve for liquid to exit upon displacement by an air-filled balloon. E. Neutrally buoyant physical model with the required volume to liquid ratio for neutral buoyancy. This computed volume of air is inserted through a one-way entrance valve into the internal balloon. Tracking points are placed parallel to the aperture in order to analyze movement in a hydrodynamic setting.
Fig. 5 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 5. Position of the ventral tracking point (V) and umbilical tracking point (U) as a function of time measured with the physics modeling software (Tracker 4.11.0; Brown 2017). Note that the rotation of the aperture is coupled with translational motion, resulting in complex movement.
Fig. 11 in Mode of life and hydrostatic stability of orthoconic ectocochleate cephalopods: Hydrodynamic analyses of restoring moments from 3D printed, neutrally buoyant models
Fig. 11. Thrust required to change the Baculites compressus model orientation (θa). A. Thrust Scenario 1: A continuous thrust supplied to the venter with a similar thrust ratio to Nautilus (Table 1). The average change from a vertical resting orientation (Δ θpeak) is 22.7°. B. Thrust Scenario 2: Periodic pulses from a pump with a simulated mantle cavity of 20% soft body volume of B. compressus (Table 1). The average change from a vertical resting orientation ( Δ θpeak) is 25.6°. C. Thrust Scenario 3: Periodic pulses from a pump with a thrust ratio between Sepia officinalis and Loligo vulgaris (Table 1). The average change from a vertical resting orientation (Δ θpeak) is 72.2°. Average peak thrust (Fpeak) error bars represent one standard deviation calibrated from 30 second intervals of pumping.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.