Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"X3D"”.
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The Scalability of X3D4 PointProperties: Benchmarks on WWW Performance
… of point-based and triangle-based models. X3DOM is a WebGL-based library built on Extensible 3D (X3D) standard, which enables users to create 3D scenes with only a little computer graphics knowledge. Before X3D 4.0 Specification, little attention has been paid to point cloud rendering in …
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A Novel Level-of-Detail Technique for Virtual City Environments: Design and Evaluation
… There are open standards like Extensible 3D (X3D, which represents 3D graphics) and CityGML (a Geography Markup Language to manage 3D building data). These standards are royalty-free and used to create, manage, share and portray such environments. However, there are critical challenges to …
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ImMApp: An Immersive Database of Sound Art
… digital technologies (MySQL, XML, XSLT, X3D). It proposes a critical ontological schema derived from Michel Foucault's Archaeology of Knowledge (1972) and applies this to pre-existing information resources dealing with sound art. Firstly an analysis of print-based discourses (Sound by …
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Galerias e mundos virtuais na educação : aplicação à história da arte
… Neste sentido, aplicou-se a tecnologia VRML/X3D como apoio à transmissão de conhecimentos na História da Arte. Para tal, criou-se uma aplicação que permitiu fazer o estudo da usabilidade, funcionalidade e acessibilidade deste ambiente 3D no âmbito educativo. Procurou-se com esta investigação, …
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AEROMECHANICS OF A DOUBLE ANHEDRAL TIP COMPOSITE ROTOR: EXPERIMENT AND MODELING
… CATIA (CAD), Cubit (hexahedral meshing), and X3D (aeromechanics). The 3-D CAD was constructed with guidance from Boeing to ensure the geometry was representative of a modern rotor yet generic enough to be open source for U.S. Gov-industry-academia joint study. The meshing used 27-node solid …
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Smart Environment Based On Real-Time Human Position Tracking For Remote Presence And Collaboration
… Moss Art Center and Torgersen Hall in Unity / X3D. Some students from the Department of Computer Science have developed a coordinate-based data networking system. The prototype of a detection and tracking algorithm to extract the location information was developed using background subtraction …
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Image-based rendering for visualisation of 3D scenes in near real-time
… module consisting of two PAL cameras and the X3D-19 DISPLAY AD 3D display unit for visualisation of 3D video output. The core algorithm utilises images captured from the cameras and generates 6 virtual in—between views using interpolation techniques. The combined views (eight views of 2D …
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Increasing Haul Truck Safety through the use of Virtual Pre-Shift Inspection Training
On average, there are approximately ten fatal haul truck accidents per year in the United States. The most common causes for haul truck accidents include mechanical problems, inadequate training, and insufficient road/berm maintenance. Due to the frequency and magnitude of haul truck accidents, new …
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eCOArt, realidade virtual na educação : a história da arte e design através de percursos e desafios virtuais
Esta investigação debruçou-se na análise, conceção e avaliação de um protótipo de ambientes virtuais 3D aplicados à exploração temática Artes e Design sob a forma de um ambiente virtual com percursos pedagógicos, atividades e desafios lúdicos.
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Centro de interpretação virtual : Castrum Quiffiones
Esta investigação debruçou-se na análise e conceção de um protótipo de ambientes virtuais 3D aplicados à exploração temática de uma estação arqueológica, para o período da Idade do Ferro (Cultura Castreja) com eleva-ção para a Romanização existente na área metropolitana do Porto, mais …