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.
Results
Showing 1 to 20 of 127 for “"3D Imaging"”.
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3D imaging in forensic odontology
This work describes the investigation of a new 3D capture method for acquisition and subsequent forensic analysis of bite mark injuries on human skin. When documenting bite marks with standard 2D cameras, errors in photographic technique can occur if best practice is not followed. Subsequent …
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Light field microscopy for 3D imaging flow cytometry
… level requires technologies enabling high speed imaging and sample throughput. This has motivated the evolution of flow cytometry, which uses microfluidics to measure the fluorescence and scattering signals of thousands of cells per second, towards imaging flow cytometry, which allows spatial …
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Unique 3D imaging method for Compton gamma-ray detectors
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1996.
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Application of 3D imaging technology to anterior cruciate ligament surgery
Includes bibliographical references (leaves 155-160).
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Quantitative phase imaging: advances to 3D imaging and applications to neuroscience
… provides a brief overview of quantitative phase imaging (QPI) methods along with applications and advances made on them. First, spatial light interference microscopy (SLIM) is introduced as a QPI method extensively used in this thesis. Using this setup, an application of QPI in neuroscience is …
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Scaling up 3D imaging, analysis, and culture of complex brain models
… summarizes a body of work aimed at scaling up 3D imaging, analysis, and tissue culture techniques for large-scale brain models We present a technique termed SWITCH that inhibits probe binding to allow for diffusion without the formation of a reaction front To improve imaging resolution, we …
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Image restoration from noisy and limited measurements with applications in 3D imaging
… applications. Despite great improvements in imaging devices over the past few years, the need for a fast and robust recovery method is still essential, especially in fields such as medical imaging or remote sensing. These methods are also important for new imaging modalities where the quality …
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A low-cost defocus blur module for video rate quantified 3D imaging
Existing three-dimensional surface imaging systems are expensive, difficult to use, time consuming, and do not always provide the best accuracy or resolution. By using an offset aperture on a rotating disc, the 3D Monocular Imaging System provides a fast, portable, accurate, and cheap method of 3D …
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3D imaging methods for manufacturing, with emphasis on the laser speckle technique
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Micro-CT and 3D imaging analysis and planning of minimally invasive endodontic procedures
L'abstract è presente nell'allegato / the abstract is in the attachment
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Creating 3D models of cultural heritage sites with terrestrial laser scanning and 3D imaging
… technique to produce accurate and detailed 3D-computermodel representations for any kind of 3D-objects, such as buildings, infrastructure, and even entire landscapes. However, one of the key issues with this technique is the large amount of recorded points; a problem which was even more …
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The Diode Laser Source and the Spatial Light Modulator's Driver Electronics for Miniaturized Holographic 3D Imaging
… (SLM) for holographic, three dimensional (3D) imaging. A miniaturized laser diode/fiber/polarizing illumination system capable of 15mW of output at a wavelength of 690nm is designed, fabricated, and tested. The size limitations of various commercially available SLM drivers are described and …
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A Framework for Object Recognition in Construction Using Building Information Modeling and High Frame Rate 3D Imaging
Object recognition systems require baseline information upon which to compare sensed data to enable a recognition task. The ability to integrate a diverse set of object recognition data for different components in a Building Information Model (BIM) will enable many autonomous systems to access and …
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Study of the role of plant nuclear envelope and lamina-like components in nuclear and chromatin organisation using 3D imaging
… morphol- ogy and chromatin organisation in 3D. NucleusJ quantifies 15 parameters including shape and size of nuclei as well as intra-nuclear objects and their position within the nucleus. A step-by-step documentation is available for self-training, together with data sets of nuclei with diff …
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Permeability, Pore Body, and Pore Throat Size Distributions from 2D Image Analysis: Comparison with Results from 3D Imaging and Laboratory Measurements
… from thin section to those obtained from 3D imaging, Nuclear Magnetic Resonance (NMR), and Mercury Injected Capillary Pressure (MICP) laboratory measurements. Watershed segmentation was used to divide the segmented pores into pore bodies and pore throats. However, pore body and pore throat …
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Randomised cross-over trial assessing the impact of angle, area, distance, curvature, volume, spatial coordinates, and effect of eye exercises in surgical task performance: 2D vs 3D laparoscopic vision
… body of evidence to suggest that 3 dimensional imaging improves surgical task performance during laparoscopic surgery. This improved performance in surgical task, however comes at a price of increased eye strain for a subgroup of surgeon. This often causes headache and even nausea. However to …
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Three-Dimensional Tomographic Imaging of the Ionosphere Using Global Positioning System Measurements
The experimental aspect explores the localized 3D imaging of quiet midlatitude conditions and of two classes of structures: equatorial-originating ionospheric depletions and mesoscale traveling ionospheric disturbances (MS-TIDs). A time-series of reconstructed images unravels the evolution and …
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Three-Dimensional Imaging using a Novel Rotating Point Spread Function Imager
<p>The capability to achieve three-dimensional (3D) imaging in a single snapshot is a highly coveted goal for the imaging community. To be able to extend the depth-of-field while simultaneously encoding depth in the point spread function (PSF) itself allows an imaging solution which is less time …
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Remote three-dimensional temperature sensing using planar laser induced fluorescence : development and applications to microwave heated liquids
… This thesis describes the development of a 3D imaging fluorescence thermometry system that was used to examine temporal and spatial variations in temperature within various aqueous solutions during their heating by microwave irradiation. The work provides one of the first …
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Data processing for 3D time of flight depth imaging
… large sensor arrays to provide high resolution 3D imaging. Due to the requirements of the next generation sensors, with pixel counts in excess of 106 (Mega-pixel Arrays), the data capture and processing techniques required to handle the resulting data is becoming more and more important. This …
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