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 20 of 1285 for “"volumetric"”.
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Volumetric surface sculpting
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Towards a volumetric city
… oriented. The building mass have grown volumetrically and becomes thicker while the ground remains relatively thin and planar. In Hong Kong having its urban density ranking the highest in the world, its grounds have undergone a prolong struggle for appropriate reinvention. This city of …
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Volumetric dimensional changes of luting cements
… The objective of this study was to evaluate volumetric dimensional changes and the amount of Ca2+ released by the new luting agent. Twenty specimens of each material, namely calcium aluminate glass ionomer, resin-modified glass ionomer, and two resin luting agents, were fabricated and …
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Hybrid modelling of heterogeneous volumetric objects.
Heterogeneous multi-material volumetric modelling is an emerging and rapidly developing field. A Heterogeneous object is a volumetric object with interior structure where different physically-based attributes are defined. The attributes can be of different nature: material distributions, density, …
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Volumetric considerations in thermodynamic solution modeling
… One reason for this may be due to the volumetric considerations which are ignored or improperly represented in the models. In this work, the thermodynamic utility of the abundant data base of volumetric information is evaluated by developing new models and acquiring more data.
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Volumetric thermo-optical photonic integrated circuits
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01
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Volumetric quantitative analysis of receptor function
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
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Volumetric topology optimization under redundancy constraints
… less volume than twice that of the pure volumetric optimal, and hence effectively combine safety with material efficiency. Overall, this thesis constitutes the early stage of a novel structural optimization algorithm that is unique to its volumetric optimization objectives.
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Volumetric object reconstruction by means of photogrammetry
In vielen Bereichen, wie Virtual Reality, Wissenschaft, Medizin und Unterhaltung wird die automatische Erstellung von 3D Computer Modellen benötigt. In dieser Arbeit behandeln wir das Problem zur Erstellung photorealistischer Modelle aus Einzelbildern und wir präsentieren eine volumetrische …
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Accelerated volumetric reconstruction from uncalibrated camera views
While both work with images, computer graphics and computer vision are inverse problems. Computer graphics starts traditionally with input geometric models and produces image sequences. Computer vision starts with input image sequences and produces geometric models. In the last few years, there has …
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Development of a volumetric solar thermal absorber
… efficiency factor show superior values for volumetric absorbers, while typical values are gained for sheet-pipe-absorbers. Infrared, pressure drop and collector efficiency tests confirm the results of simulation and calculation for both the new designs and the state-of-the-art. The developed …
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Volumetric Scintillation Dosimetry For Scanned Proton Beams
… proton therapy treatments by developing a fast volumetric scintillation detector. Volumetric scintillation dosimetry is a new technique with the potential to provide fast, high-resolution measurements of scanned proton beams. Initial studies using scintillation dosimetry for IMPT quality …
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Spiral 2D array designs for volumetric imaging
… require 2 dimensional (2D) arrays, capable of volumetric imaging, to further increase scan speed, and to allow tighter focussing on targets. However, 2D arrays have not found widespread use, mainly due to the large number of elements required to implement standard periodic designs. Alternative …
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Efficient evaluation of functionally represented volumetric objects.
There are several approaches to representing shapes in computer graphics. One of the ways to describe objects and operations is Function Representation (FRep). In FRep, a geometric object is de ned by a single continuous real-valued function of point coordinates. Generally geometric modelling is …
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Volumetric mesh parameterization to a canonical template
We present a volumetric mesh-based algorithm for mapping the placenta to a canonical template to enable effective visualization of local anatomy and function. Monitoring placental function in vivo promises to support pregnancy assessment and to improve care outcomes. We aim to alleviate …
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A new volumetric assay for lead ores
Thesis: B.S., Massachusetts Institute of Technology, Department of Chemistry, 1870
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Generation of volumetric models from video data
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1994.
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