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Dataset results
264 results for “3D Reconstruction”
Armour from Künzing: 3D reconstruction
The 3D model presents a digital reconstruction of solid and riveted rings of archaeological mail armour. To create 3D models of the rings, we used polygonal modelling functions of Blender software. In order to record the relevant measurements of the mail rings, we used a list of parameters. This list includes 11 parameters for a riveted ring and four parameters for a solid ring. The accuracy of the digital replicas of the rings was 0.01 mm. The authors of the reconstructions are Aleksei Moskvin (Saint Petersburg State University of Industrial Technologies and Design) https://independent.academia.edu/AlekseiMoskvin Mariia Moskvina (Saint Petersburg State University of Industrial Technologies and Design) https://independent.academia.edu/MariiaMoskvina and Martijn A. Wijnhoven (VU University Amsterdam) https://vu-nl.academia.edu/MartijnAWijnhoven DOI: https://doi.org/10.13140/RG.2.2.12294.50247 Source: Objaverse 1.0 / Sketchfab
3D Breast Imaging for Cosmetic and Reconstructive Breast Surgery
ClinicalTrials.gov study NCT01964105. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Biomechanical Reconstruction of Three Different Hip Stem Designs in Hip Dysplasia Using a 3D CT-based Planning Software
ClinicalTrials.gov study NCT04904640. IPD Sharing: NO. Countries: 1. Publications: 4.
Pelagomacellicephala iliffei MicroCT-Scans for 3D reconstruction
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The avian vocal system: 3D reconstruction reveals upper vocal tract elongation during head motion
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Harmothoe imbricata MicroCT-scans for 3D reconstruction
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CT reconstructions and 3D surface models of preserved impressions found on a Rijksmuseum terracotta sculpture
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Branchipolynoe sp. MicroCT-Scans for 3D reconstruction
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Gesiella jameensis MicroCT-scans for 3D reconstruction
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Macellicephala longipalpa MicroCT-scans for 3d reconstruction
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Drieschia sp. MicroCT-Scans for 3D reconstruction
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Anatomical insights into fish terrestrial locomotion: a study of barred mudskipper (Periophthalmus argentilineatus) fins based on μCT 3D reconstructions
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3D models of Catalhoyuk reconstructed houses and objects
<p>3D models of the Catalhoyuk reconstructed houses and objects included in the EMOTIVE Catalhoyuk virtual reality experience. More information can be found here: https://emotiveproject.eu/index.php/what-we-do/experiences/</p>
Lituya Bay 1958 Tsunami – pre-event bathymetry reconstruction and 3D-numerical modelling utilizing the CFD software Flow-3D
<p>Simulation video, Model code, STL.File of the solid bodies</p>
Pitfalls of Computed Tomography 3D Reconstruction Models in Cranial Nonmetric Analysis
<p>Many studies in the literature have highlighted the utility of virtual 3D databanks as a substitute for real skeletal collections and the important application of radiological records in personal identification. However, none have investigated the accuracy of virtual material compared to skeletal remains in nonmetric variant analysis using 3D models. The present study investigates the accuracy of 20 computed tomography (CT) 3D reconstruction models compared to the real crania, focusing on the quality of the reproduction of the real crania and the possibility to detect 29 dental/cranial morphological variations in 3D images. An interobserver analysis was performed to evaluate trait identification, number, position, and shape. Results demonstrate a false bone loss in 3D models in some cranial regions, specifically the maxillary and occipital bones in 85% and 20% of the samples. Additional analyses revealed several difficulties in the detection of cranial nonmetric traits in 3D models, resulting in incorrect identification in circa 70% of the traits. In particular, pitfalls included the detection of erroneous position, error in presence/absence rates, in number, and in shape. The lowest percentages of correct evaluations were found in traits localized in the lateral side of the cranium and for the infraorbital suture, mastoid foramen, and crenulation. The present study highlights important pitfalls in CT scan when compared with the real crania for nonmetric analysis. This may have crucial consequences in cases where 3D databanks are used as a source of reference population data for nonmetric traits and pathologies and during bone-CT comparisons for identification purposes.</p>
Data from: The dipnoan buccal pump reconstructed in 3D and implications for air breathing in Devonian lungfishes
Lungfishes are known for, and indeed take their name from, their bimodal respiratory abilities. All three extant genera can use their lungs to extract oxygen from the atmosphere, although their reliance upon this capability differs among taxa. Lungs are considered primitive for the Osteichthyes, however the distinctive buccal pump mode of air gulping exhibited by extant lungfishes appears to be a specialization. It is associated with a number of derived skeletal characters (cranial ribs, long parasphenoid stalk, midline gap between palatal tooth plates) that first appeared during the Devonian. These have been described individually, but in no Devonian lungfish has their three-dimensional (3D) spatial relationship been reconstructed and analyzed. Here we present the 3D morphology of Rhinodipterus, a Mid-Late Devonian lungfish from Australia and Europe, based on synchrotron tomography and conventional microtomography scans. Unlike less crownward contemporaneous lungfishes such as Griphognathus and Chirodipterus, Rhinodipterus has a full set of skeletal buccal pump components that can be directly compared to those of extant lungfishes, suggesting that it made more extensive use of air breathing than other Gogo or Bergisch Gladbach genera. This is interesting in relation to the environmental context as Gogo and Bergisch Gladbach are both marine, contrasting with the frequently hypoxic tropical to subtropical fresh water environments inhabited by modern lungfishes. The evolution of buccal pump-supported lung ventilation was evidently not necessarily associated with a transition to non-marine habitats.
Data from: The evolution of skull and body shape in Triturus newts reconstructed from 3D morphometric data and phylogeny
To explore the relationship between morphological change and species diversification, we reconstructed the evolutionary changes in skull size, skull shape, and body elongation in a monophyletic group of eight species that make up salamander genus Triturus. Their well-studied phylogenetic relationships and the marked difference in ecological preferences among five species groups makes this genus an excellent model system for the study of morphological evolution. The study involved three-dimensional imagery of the skull and the number of trunk vertebrae, in material that represents the morphological, spatial, and molecular diversity of the genus. Morphological change largely followed the pattern of descent. The reconstruction of ancestral skull shape indicated that morphological change was mostly confined to two episodes, corresponding to the ancestral lineage that all crested newts have in common and the Triturus dobrogicus lineage. When corrected for common descent, evolution of skull shape was correlated to change in skull size. Also, skull size and shape, as well as body shape, as inferred from the number of trunk vertebrae, were correlated, indicating a marked impact of species' ecological preferences on morphological evolution, accompanied by a series of niche shifts, with the most pronounced one in the T. dobrogicus lineage. The presence of phylogenetic signal and correlated evolutionary changes in skull and body shape suggested complex interplay of niche shifts, natural selection, and constraints by a common developmental system
Loughcrew Passage Tombs 3D Reconstruction
Loughcrew is one of the four main passage tomb sites in Ireland. No comprehensive dating programme has been conducted there, but the monuments are estimated to date from about 3300 BC. The sites consist of cruciform chambers covered in most instances by a mound. A unique style of megalithic petroglyphs are seen there, including lozenge shapes, leaf shapes, as well as circles, some surrounded by radiating lines. The site is spread across three hilltops, Carnbane East, Carnbane West, and Patrickstown. The Irish name for the site is Sliabh na Caillí, which means "mountain of the hag". Legend has it that the monuments were created when a giant hag, striding across the land, dropped her cargo of large stones from her apron. The orthostats and structural stones of the monuments tend to be from local green gritstone, which was soft enough to carve. [Google Map](https://goo.gl/maps/aiV98FvqE6q) Source: Objaverse 1.0 / Sketchfab
FIGURE 1. 3D in Oziella sibirica (Acari: Eriophyoidea: Phytoptidae), a new eriophyoid mite species described using confocal microscopy, COI barcoding and 3 D surface reconstruction
FIGURE 1. 3D model of Oziella sibirica sp. nov. prodorsal shield (the same female as Fig. 2C). A. Gray scale prodorsal shield, B. Colourised prodorsal shield (notifications of lines follows that of Amrine et al. 1994 & Amrine et al. 2003; admedian lines colourised in red, additional line between admedian and submedian-2 line colourised in black). Scale bar A & B = 30 mkm. Note: setae ve and c1 are short on images A & B because only proximal parts of the setae of eriophyoid mites can be observed on CLSM images using blue laser, 405 nm (Chetverikov 2012b).
Original CT image stacks of five fossil petrosal bones from Siberia, 3D PDF files of reconstructed endocasts, blood vessels and innervation patterns, 3D PDF instruction file, STL files of the petrosals
<p>Five partially preserved mammaliaform petrosals recovered from Middle Jurassic sediments of the Berezovsk coal mine (Krasnoyarsk Krai, Russia) show similarities to other early mammaliaforms like the morganucodontan <i>Morganucodon</i> and the docodontan <i>Haldanodon</i> in having an inflated promontorium, and a curved and apically inflated cochlear canal. But they are distinct from dryolestoid and derived mammalian petrosals by the weak coiling of the cochlear duct and the presence of a perilymphatic foramen with an open perilymphatic sulcus. The two larger and robust specimens exhibit striking similarities to docodontan petrosals. Inside the bone an intricate circumpromontorial venous plexus was discovered as recently described for the docodontan <i>Borealestes</i>, confirming this structure is consistently present in basal mammaliaforms. The three smaller and slender petrosals likely belong to haramiyidans and are unique in showing a septum-like structure medially along the cochlear nerve entrance. The protruding perforated bony bar that is preserved in two of the three is interpreted here to be a remnant of a bony septum with multiple foramina for cochlear nerve fibers, representing an autapomorphic feature of Haramiyida. This newly described passageway for nerve fibers shows that the formation of the osteological structure surrounding the nervous pathways of the cochlea is more plastic among the most basal mammaliaforms than previously thought.</p>
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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.