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323 results for “Photogrammetry”
Coupling Novel Soil Moisture-Suction Sensors and UAV Photogrammetry Technology to the Performance of Highway Embankments
<p>The movement of water plays a critical role in the mechanical performance and service life of transportation infrastructure, especially for pavement subgrades and highway embankments consisting of high-plasticity, expansive soils that saturate and ultimately lead to infrastructure distress. Shallow slides along highway embankments are ubiquitous across Region 6 because long-term wetting and drying cycles considerably weaken these compacted soils. In the aftermath of heavy rains, pore-water pressures increase to a critical threshold such that a failure occurs. The implications of embankment failures range from repeated maintenance repairs to long-term road closures. A comprehensive approach to model highway embankments comprising of laboratory testing, setup, and field data collection using unmanned aerial vehicles has been proposed in this study.</p>
3D data obtained with a MicroScribe digitising arm and photogrammetry to address bioarchaeological research questions
<p>Virtual methods for studying human remains are becoming increasingly popular in bioarchaeology, and the rate of technological innovation in the last few years has been such that we now have multiple options to choose from when collecting data. This raises the question of whether datasets generated with different methods are transposable. In the study reported here, we investigated whether it is valid to combine 3D data obtained with a MicroScribe digitising arm and 3D data collected via photogrammetry. We did so by simulating a population-based analysis similar to those commonly undertaken in bioarchaeology. Our sample comprised 19 crania from two ethnic groups, Ancient Egyptians and Guanches, and the landmarks we employed pertained to facial shape.</p> <p>The analyses yielded several findings. First, we found that photogrammetry was significantly more precise than the MicroScribe digitising arm. Second, the photogrammetry-based method revealed the existence of facial shape differences between the two ethnic groups that were not captured by the MicroScribe-based method. Third, we found that the two methods did not consistently capture the same facial shapes—they did for one of the ethnic groups but not for the other. Fourth, the analyses indicated that using the two methods can result in ethnic group-level differences in facial shape when they are applied to individuals from a single ethnic group. Lastly, the two methods of data collection yielded different patterns of variation in facial shape. Together, these findings suggest that combining 3D landmark coordinates collected with a MicroScribe and those obtained via photogrammetry may introduce considerable error into an analysis, and, consequently, bioarchaeologists should be cautious about doing so.</p>
Geospatial data used in "Estimation of river water surface elevation using UAV photogrammetry and machine learning"
<p>Geospatial data used in article "Estimation of river water surface elevation using UAV photogrammetry and machine learning" by Radosław Szostak, Marcin Pietroń, Przemysław Wachniew, Mirosław Zimnoch and Paweł Ćwiąkała (AGH UST).</p> <p>Each zip archive contains the following files:</p> <ul> <li>dsm.tif - raster of digital surface model,</li> <li>ortho.tif - raster of orthophoto,</li> <li>gnss_wse.json - geojson multipoint shape containing RTN GNSS measurements of water surface elevation,</li> <li>grid.json - geojson multipolygon shape containing square areas of samples used in deep learning solution.</li> <li>centerline.json - geojson multipoint shape containing values sampled from DSM along centerline,</li> <li>wateredge.json - geojson multipoint shape containing values sampled from DSM along "water-edge".</li> </ul> <p>Data in AMO18.zip archive was collected by Bandini et. al (https://doi.org/10.5281/zenodo.3519888).</p> <p>Preprocessed machine learning dataset and source codes are available in github repository at: https://github.com/radekszostak/river-wse-uav-ml</p>
Sculpture - "Burden" - photogrammetry
A model of a sculpture in Mielec - Brzemię / Burden by Ludmiła Stehnova, 1969 Soviet postmodernist sculpture placed initially in front of local clinic. After system transformation in 80's/90's, the clinic was found redundant and closed down while its building was rented out for commercial purposes. Due to lack of interest and consequent businesses closing down, the building was torn down around 2010 (only thing that remained was this piece of wall with gas junction https://skfb.ly/onoXp). Source: Objaverse 1.0 / Sketchfab
New Waverly Church Scan (photogrammetry)
https://en.wikipedia.org/wiki/New_Waverly,_Texas https://sketchfab.com/Austin.Beaulier/store Check out the other scans on my page thanks! Source: Objaverse 1.0 / Sketchfab
Bit Pot6 -photogrammetry
This model Made using photogrammetry for Digital Lab of Humanity Institute of Siberian Federal University Source: Objaverse 1.0 / Sketchfab
Fremont Troll Scan with Photogrammetry
Photogrammetry scan of the Fremont Troll in Seattle. Done as a comparison to current LiDAR scanning methods on the iPad, which can be seen here: https://skfb.ly/6YqwD Source: Objaverse 1.0 / Sketchfab
Red Rocks - photogrammetry scan by drone
Created in RealityCapture by Capturing Reality from 45 images in 00h:23m:22s. Red Rocks Amphitheatre is an open-air amphitheatre built into a rock structure in the western United States, near Morrison, Colorado, ten miles (16 km) west of Denver. There is a large, tilted, disc-shaped rock behind the stage, a huge vertical rock angled outwards from stage right, several large outcrops angled outwards from stage left and a seating area for up to 9,525. In 1927, the City of Denver purchased the area of Red Rocks; construction of the amphitheater began in 1936, and was opened to the public in June 1941. Since then, many notable performances and recordings for film and television have taken place there. In June 2015, the Colorado Music Hall of Fame opened in the Trading Post at Red Rocks! Source: Objaverse 1.0 / Sketchfab
Shrine (Temple) Low Poly Photogrammetry
Realistic buddhist shrine called Chaitya located in the Golden Temple in Patan in Kathmandu, Nepal. Reduced polygons. Ready for AR/VR, Augmented Reality, Virtual Reality, Games and 3D Printing. Visit our website: http://www.semanticcreation.com We make 3d models, Virtual Reality / Augmented Reality / Mixed Reality applications and all sorts of server-client based custom applications. Source: Objaverse 1.0 / Sketchfab
Chalet de Plage - photogrammetrie - France
Projet de photogrammetrie avec le toit en zinc rapidement refait et texturer à l'aide d'une photo originale sous blender. Modéle devant être améliorer - Nouvelle texture du toit en texture paint à préparer ou projet de shooting du toit via un drone (peut-être). Workflow - 74 photos D800 au 50mm - Metashape pour nuage de point - Meshlab pour poisson Mesh / nettoyage + simplification - Modifs divers avec Blender. Source: Objaverse 1.0 / Sketchfab
Fence #3 [Photogrammetry]
RealityCapture > Houdini workflow using a node I'm slowly chipping in and creating quick and optimal bakes and previews ! Slowly coming in and getting the workflow more and more automated <3 As usual, free to download, don't forget to mention me if you use it please ! Source: Objaverse 1.0 / Sketchfab
Photogrammetry - Italian Statue
Statue that I captured with my iPhone and processed through 3dZephyr using 42 photos. Processed through ArtEngine for baking + delighting. Source: Objaverse 1.0 / Sketchfab
Kuopion tuomiokirkko - photogrammetry test
Used about 800 photos taken with iPhone XR, stitched together with Meshroom. Downgraded the mesh from about 3 million verts to 80k. When i baked the downgraded texturemap it got kind of mixed-up.. :( The church is in Kuopio, Finland. Google Maps: https://goo.gl/maps/DSh9ZEZmEF8RancJ7 Source: Objaverse 1.0 / Sketchfab
Photogrammetry test and mesh : Ammonoidea
Meshing test using micmac and MeshLab. Mesh with micmac's TiPunch (Poisson), mesh cleaning with MeshLab, UV mapping with micmac's Tequila. You can find the point cloud on sketchfab : [Here](https://skfb.ly/6BNwL) Photos processed are [Here](https://photos.app.goo.gl/vSK2pREJEPDgyZqf6) Source: Objaverse 1.0 / Sketchfab
Castiglione d'Orcia - Photogrammetry - #16
Fragment of the Digital Survey of Castiglione d'Orcia for Syracuse University School of Architecture in Florence. — for the students, please do not downalod this file - a more accurate version will be provided with a private link— — for more info visit www.borgo-digitale.com — — All materials processed with Metashape Standard Edition — Source: Objaverse 1.0 / Sketchfab
Stone Sculpture (photogrammetry)
Created in RealityCapture by Capturing Reality from 86 images in 00h:14m:16s. check out some of my other models on my page thanks! Source: Objaverse 1.0 / Sketchfab
Saint Helena Chapel - Photogrammetry Point cloud
Photogrammetric point cloud of the Chapel of Saint Helena Jerusalem. The Chapel of Saint Helena is a 12th-century Armenian church in the lower level of the Church of the Holy Sepulchre in Jerusalem, constructed during the Kingdom of Jerusalem. The Armenians call it the Chapel of St. Gregory the Illuminator, after the saint who brought Christianity to the Armenians. Wikipedia Source: Objaverse 1.0 / Sketchfab
Game Over VideoGames museum photogrammetry scan
*update* now with single sided rendering! Special thanks to gameover videogames for letting me 3D scan the store! check them out https://gameovervideogames.com/ https://twitter.com/gameovergames scan by austin beaulier instagram.com/austinbeaulier https://twitter.com/austinbeaulier austinbeaulier.com Vintagevideomuseum.com from 818 images #WallScanChallenge Source: Objaverse 1.0 / Sketchfab
Bit Pot7 - photogrammetry
This model Made using photogrammetry for Digital Lab of Humanity Institute of Siberian Federal University Source: Objaverse 1.0 / Sketchfab
Fontana di Trevi environment photogrammetry scan
Fontana di Trevi environment photogrammetry scan The Trevi Fountain (Italian: Fontana di Trevi) is a fountain in the Trevi district in Rome, Italy, designed by Italian architect Nicola Salvi and completed by Giuseppe Pannini and several others. Standing 26.3 metres (86 ft) high and 49.15 metres (161.3 ft) wide, it is the largest Baroque fountain in the city and one of the most famous fountains in the world. The fountain has appeared in several notable films, including Roman Holiday, Federico Fellini's La Dolce Vita, the eponymous Three Coins in the Fountain, The Lizzie McGuire Movie, and Sabrina Goes to Rome. https://en.wikipedia.org/wiki/Trevi_Fountain Source images from this vídeo from Nils Astrologo and other public available sources https://www.youtube.com/watch?v=3-TP6KrgWjA Source: Objaverse 1.0 / Sketchfab
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International Brain Laboratory public data
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OpenNeuro
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