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 67 for “"Real-Time Imaging"”.
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Real–Time Imaging of Decimetre–Resolution 3D Seismic Volumes
… seismic volume with decimetric horizontal and centimetric vertical resolutions, providing an ideal platform for shallow–water engineering, archaeology, military, and geological studies. In this thesis, I show how simple processing flows built around a combination of standard Chirp/Vibroseis …
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Innovative microphysiological systems for long-term real-time imaging in biomedicine
… discovery and development has been for a long time recording a reduced yield characterized by a small number of new molecules yearly delivered on the market and elevated production costs. Concomitantly, the pressure from unmet medical needs is rising together with ethical controversies related …
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Developing a multiphoton microscope to perform simultaneous multidepth acquisition for real time imaging (S.M.A.R.T.I.)
Includes bibliographical references (page 33).
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3D Printing Of A Biocompatible Scaffold And A Real-Time Imaging Window For Monitoring Rat Spinal Cord Regeneration
… inability to monitor biological integration in real time. Conventional experimental approaches rely primarily on endpoint histological analysis, offering limited insight into the dynamic cellular processes underlying repair or failure. This thesis addresses these challenges through a …
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Real time imaging and infrared background scene analysis using the Naval Postgraduate School Infrared Search and Target Designation (NPS-IRSTD) System
The imaging in real time of infrared background scenes with the Naval Postgraduate School Infrared Search and Target Designation (NPS-IRSTD) System was achieved through extensive software developments in protected mode assembly language on an Intel 80386 33 Mhz computer. The new software processes …
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Terahertz imaging and quantum cascade laser based devices
… ranges, but offers several advantages for imaging applications: THz wavelengths offer better spatial resolutions than microwave frequencies, and THz radiation is able to penetrate materials that are opaque at infrared frequencies (e.g. packaging, plastics, paints and semiconductors). These …
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An in Situ Study of the Stresses in Silicide Thin Films
… Edge Contour (AEC) Mapping. With the aid of a real time imaging system it is possible to observe changes in stress of silicide materials during various stages of film fabrication, as well as assess the character of the silicon substrate. Also another novel technique utilizing conventional …
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Signal processing and image reconstruction for scanning tomographic acoustic microscopy
… high-speed and specialized computers, computed imaging has gained prominence. This thesis is on the application of signal and image processing techniques to address the problems of resolution and noise in the Scanning Laser Acoustic Microscope (SLAM). The SLAM was developed for high-resolution, …
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Characterization and Functional Analysis of Astrotactin 2 Reveals a Role for Endocytosis in Glial-guided Neuronal Migration
… neuronal layers. Classical EM studies and real time imaging of the migration of granule neurons along glial fibers established the mode of movement of migrating neurons, including the formation of an interstitial junction beneath the cell soma. Biochemical and molecular biological …
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Automated cell-targeted electrophysiology in vivo and non-invasive gamma frequency entrainment
… skill to perform. We found that a closed-loop real-time imaging strategy, which continuously compensates for cell movement while approaching the cell with a pipette tip, allows for the development of an algorithm amenable to automation. We built a robotic system that can implement this …
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Streamoscope: A Low-Cost, Open-Source, USB-3-Capable Streaming Data Acquisition System for Low-Field MRI
Magnetic Resonance Imaging (MRI) is a powerful, safe imaging technique based on using magnetism to provide contrast between soft tissues. Portable, low-field MRI is a growing area that has already demonstrated value in both educational and clinical domains. Low-field MRI systems need to acquire …
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Development of a Real-Time Cell Imaging Assay to Characterize the Delivery of a Cell-Penetrating Peptide Adaptor and its Associated Cargo
… a complete understanding of CPPs. Therefore, a real-time imaging assay was developed to characterize CPP-mediated delivery. With this assay, delivery was monitored in real-time and quantified. Additionally, experiments were performed in a static manner to gain insight into endosomal escape and …
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High speed swept source optical coherence tomography handheld instrument at 1310nm for point-of-care imaging
… coherence tomography (OCT) is a novel biomedical imaging technique that functions as a type of "optical biopsy" by using low coherence interferometry to non-invasively generate high resolution cross-sectional images of tissue in real time. OCT has become a standard diagnostic tool in ophthalmology …
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New frontiers in THz quantum cascade lasers
… though their application potentials are great in imaging, sensing, and communications. This underdevelopment is primarily due to the lack of compact and powerful THz sources. The invention of THz quantum cascade lasers (QCL) held great promise to bridge the gap between semiconductor electronic and …
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Real-Time Non-Line-of-Sight Imaging Using Single-Photon LiDAR
Robust real-time imaging systems have allowed for many advances in robotics and autonomous navigation, though limited visibility in many real-world settings remains a significant challenge. Non-Line-of-Sight (NLOS) sensing allows for imaging systems to “see around corners", expanding their range of …
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Biomanufacturing of Bacteria-Mediated Drug Delivery Systems and Investigation of Their Interaction with the Tumor Microenvironment
… of tumor-targeting bacteria and support real-time imaging and long-term experiments. (4) We develop a new type of bacteria-based bio-hybrid drug delivery system using engineered cell surface display for enhancing the attachment of nanoparticles.
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Electron beam processing and spectroscopic characterisation of 2D materials and novel nanostructures
… unique aspects, which include; growth of fully realised three-dimensional (3D) nanostructures, selective surface termination, defect generation and real-time imaging of chemical reaction fronts. The aim of this project was to elucidate experimentally the fundamental processes that govern the …
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Real-time Image Processing on an FPGA for an Intraoperative Goggle Device
… emergence of near-infrared dyes for fluorescence imaging has had a tremendous impact in the medical field. In particular, indocyanin green (ICG) has been widely used for assessing tumor margins during intraoperative procedures. Typically, the dye is intravenously injected into the patient, and …
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Design of a microreactor for studying the effect of shear stress on angiogenesis in self-assembling peptide matrix
… closely mimics in vivo conditions and allows for real time imaging and monitoring of endothelial cell migration and network formation. The device has the potential to investigate the synergistic effects of mechanical and biological factors, including varying levels of shear stress and the delivery …
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Characterization of the Sinorhizobum Meliloti Chotaxis System
… was analyzed in in vivo capillary assays under real-time imaging. These studies strengthen our knowledge of the chemotaxis system in the symbiosis model of S. meliloti and alfalfa. The data can further be used to create a mathematical model of the dynamics of bacteria-host interaction. The …
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