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 63 for “"advanced imaging"”.
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Advanced Imaging Through FOV and Aperture Manipulation
The fourth system is an HDR imaging device which uses a pair of mirrors to capture multiple copies of the same scene with different exposures. An HDR image is constructed by fusing all the copies together. Compared with other existing techniques, the advantages of the proposed method are: (1) the …
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Advanced imaging biomarkers in age-related macular degeneration
Η ηλικιακή εκφύλιση της ωχράς κηλίδας, είναι μία κύρια αιτία σημαντικής μείωσης της όρασης παγκοσμίως, ενώ η επίπτωση της εκτιμάται ότι θα αυξηθεί σημαντικά. Η αναγνώριση πρώιμων βιοδεικτών που θα σημάνουν την αυξημένη πιθανότητα μετάπτωσης από πρώιμα σε πιο προχωρημένα στάδια της νόσου, που …
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Advanced imaging via multiplexed sensing and compressive sensing
This dissertation works on advanced imaging systems using multiplexed sensing and compressive sensing (CS). Conventional cameras (e.g., pin-hole and lens cameras) follow the one-object-point-to-one-image-point or one-to-one (OTO) mapping model. Multipled sensing and compressive sensing attempt to …
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Revealing Molecular Adversaries of Human Health Using Advanced Imaging Technology
… to capture and image BRCA1 complexes. This imaging platform minimizes heterogeneity and ensures the sample quality while not biasing confirmation. Thus, allowing for high resolution cryo-EM imaging of flexible native proteins. We were able to examine BRCA1 complexes from cells at both the …
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Characterization of lubricant-derived ash deposition within pores of Diesel Particulate Filters through non-destructive advanced imaging techniques
… will be placed on utilizing nondestructive imaging techniques with tools such as SEM, TEM, and X-ray CT to advance the current characterization of the initial pressure drop phase. Destructive sample preparation and imaging techniques will also be used. The data acquired from this …
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How did the Human Brain Evolve? Tracking Cerebral Changes in the Fossil Hominin Record Using Advanced Imaging Techniques and 3D Modelling
… endocast analyses, recent advances in digital imaging and automated analytical methods allow for a more objective and reproducible assessment of cortical morphology. This thesis applies a taxon-free, population-based approach to the study of hominin brain evolution, integrating high-resolution …
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Sentience and Site
… Appalachia. An integration of drone avionics, advanced imaging and sensing technologies, and traditional means of site-observation fosters the opportunity for a more holistic understanding of place. The corresponding architectural intervention thus manifests itself as a contemporary rendition …
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Geometry-driven filamentary structures : elastic gridshells, weaves, clasps, and knots
… model experiments using scale-invariance and advanced imaging techniques (e.g., 3D laser scanning, and X-ray computed tomography). First, we study the shape and the mechanical response of elastic gridshells, the three-dimensional structure of which results from the out-of-plane buckling of an …
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Engineered Anti-CD40 Agonist Antibody for Cancer Vaccine Delivery
… binding affinities to mouse CD40 and biotin. Advanced imaging demonstrated that αCD40-mSAs enhances homing to dLNs and intracellular delivery of neoantigen peptides to critical APC subsets, such as cDC1. The potent agonistic effects of αCD40-mSAs on dendritic cell maturation, activation, and …
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Computational model of intraluminal thrombus growth in abdominal aortic aneurysms with fibrin generation
… thromboses (ILTs) that develop in the sac. Advanced imaging and treatment techniques are available, however there is room for improvement in the methods used to predict the outcome or necessity of surgical intervention. For a computational model to be useful in this clinical setting, it …
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Advanced Statistical Modeling for Model-Based Iterative Reconstruction for Single-Energy and Dual-Energy X-Ray CT
… a wide range of applications that includes more advanced imaging modalities, such as dual-energy X-ray CT, and more challenging imaging conditions, such as low-dose and sparse-sampling scans, each requiring refined statistical models including the data model and the prior model. In this …
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Ultrahigh Field Magnetic Resonance Imaging – Technical Development and Translational Applications
<p>Magnetic resonance imaging (MRI) may be used to provide detailed images of the human body with excellent soft tissue contrast. Alongside its current widespread clinical applications for diagnosis and treatment, MRI allows researchers to measure structure and function of different tissue types in …
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ADInsight: A Multimodal and Explainable Framework for Alzheimer's Disease Progression and Conversion Prediction
… research modalities, such as clinical data and advanced imaging, the research underscores the potential and limitations of singular approaches. As a response to these findings, this dissertation introduces a multimodal ensemble conversion prediction model that combines Diffusion Tensor Imaging …
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Dynamic tailoring and tuning for space-based precision optical structures
… in NASA's Origins missions require use of advanced imaging techniques to achieve high optical performance with limited launch mass. Structurally-connected Michelson interferometers meet these demands, but pose specific challenges in the areas of system dynamics and controls, uncertainty …
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Long-wavelength imaging and the 4th Amendment
… of privacy test is not appropriate when an advanced imaging technology is in widespread use. The lesson drawn by this thesis is that by establishing legislation that defends privacy as a right, and defines it in a human-centric fashion, regulations can be instated that protect privacy while …
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Label-free multiphoton microscopy for imaging transient metabolic dynamics in living cells and tissue
… of pathological conditions. While clinical imaging tools have emerged to probe metabolism at the tissue and organ level, the tools to probe metabolic dynamics at the cellular level have been slow to develop. This thesis represents a step toward realizing one such tool through the use of …
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Hdac6 Inhibition Reverses Long-Term Doxorubicin-Induced Cognitive Dysfunction By Restoring Microglia Homeostasis
… by anti-GFAP immunofluorescence staining. Using advanced imaging techniques and single-nucleus RNA sequencing, I demonstrate that doxorubicin-induced changes are associated with decreased microglial ramification and alterations in the microglia transcriptome that suggest a neurodegenerative …
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Medical Imaging Field of Magnetic Resonance Imaging: Identification of Specialities Within the Field
… areas are emerging in the magnetic resonance imaging (MRI) profession due to advancements made in the medical sciences, imaging technology, and clinical applications used in MRI that would require new developments in education/training programs and national registry examinations. In this …
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Design and Modeling of Piezoelectric Micromachined Ultrasonic Transducer (PMUT) using a Multi-User MEMS Process for Medical Imaging
… causalities due to the early detection using advanced imaging technologies. This signifies the importance of early detection of breast cancer that increases the survival rate and treatment options for the patients. One of the platforms which are aiding the early detection is …
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NEW ADVANCES IN QUANTITATIVE RADIOLOGY:MRI IMAGING IN MYOPATHIES
… of myopathies using magnetic resonance imaging (MRI). The work integrates artificial intelligence (AI), radiomics, and advanced imaging techniques to improve diagnostic accuracy and pattern recognition in muscle diseases. The thesis is structured into three main studies. First, a …
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