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 15 of 15 for “"Image Processing, Computer-Assisted"”.
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Structural Basis for Coordination in Dimeric Kinesin
… Ruby-Helix, was developed to facilitate helical image analysis and implement a new algorithm for the analysis of helical objects with a seam. Ruby-Helix incorporates several new techniques for conventional helical analysis, and automates many of the repetitive steps involved in helical analysis, …
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Development of Applications and Quantitative Frameworks for Multispectral Optoacoustic Tomography
Page xxxi is misnumbered as page ii.
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An Optical Flow Based Methodology for Visualizing Dynamic Sucellular [sic] Organiztion [sic] Demonstrated Through Profilin and Rho GTPase Microdomains
… on existing optical flow based non-linear image registration we developed an approach to remap a migrating cell to a common cell footprint while preserving the characteristics of our signal of interest at a spatial granularity necessary for understanding micron scale biological …
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Deep Learning-Based Comprehensive Pathology Image Analysis
… great tools for the analysis of histopathology images. Deep learning algorithms can aid in the routine diagnostics and have the potential to extract hidden information directly from slide images, providing valuable information for healthcare professionals. This dissertation applied deep learning …
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Quantitative Analysis of the Spatial and Temporal Organization of Cell Surface Receptors
Appendix B contains a previously published article, which is referenced below as a related citation.
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Comprehensive Analysis of Lung Cancer Prognostic Factors
… in tumor level, deep learning aided pathology image analysis was used to extract tumor geometry and microenvironment features, upon which an image-based survival prediction model was built and independently validated for lung adenocarcinoma. Second, in patient level, a nomogram was built with …
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Evaluation of the Treatment Effects of the Functional Regulator of Fränkel in the Correction of Angle Class II Malocclusions
One of the greatest challenges an orthodontist faces is the correction of Angle Class II malocclusions. Several different treatment options are available to correct saggital jaw discrepancies that often exist in these individuals. Traditionally, headgear has been used to restrain forward maxillary …
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Motion Estimation and Motion-Compensated Reconstruction for Four-Dimensional Cone Beam Computed Tomography (4D-CBCT)
… is not optimal for tumor localization due to low image quality caused by insufficient number of projections located in each phase after the projection binning according to respiration phases. The specific aims of this dissertation research are to: 1) improving the accuracy of inter-phase motion …
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Robust Fat and Fluid Suppression in MR Imaging: Technical Developments and Advanced Clinical Applications
Pages xxiii-xxiv are misnumbered as pages xxi-xxii.
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Bilateral Ortohogonality Generative Acquisitions Method for Transmit Field Inhomogeneity Correction in Magnetic Resonance Imaging
… utilized for acquisition of high-resolution images and reducing scan time. However, transmit field inhomogeneity of ultra-high field systems, present an obstacle for widespread clinical utilization. In literature, radiofrequency pulse design and multi-acquisition methods with and without …
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Improving Cone-Beam Computed Tomography Based Adaptive Radiation Therapy with Deep Learning
… challenge involves generating synthetic CT (sCT) images that retain CBCT anatomy while maintaining CT image quality. Clinically used sCT is typically obtained through deformable image registration (DIR) between pre-planning CT (pCT) and CBCT; however, this method often inadequately preserves CBCT …
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An Imaging Approach to Examine Telomere Dynamics and Regulation of Gene Expression with Aging
Telomeres are repetitive non-coding nucleotide sequences (TTAGGG)n capping the ends of chromosomes. Improved methods to measure the shortest (not just average) telomere lengths (TLs) are needed. Progressive telomere shortening with increasing age has been associated with shifts in gene expression …
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Evaluation of Apical, Coronal and Occlusal Form Diffrences with Conventional Orthodontic Treatment
… subjects were selected on their respective CBCT images at two time points: pre-orthodontic treatment (T1) and post-orthodontic treatment (T2). Comparisons were made between the two time points to evaluate how each arch form changed following routine orthodontic treatment. Statistical Analysis: …
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Tooth Length Measurements on 3T MR Images: A Retrospective Study
… was measured and compared between the resultant images. Intraclass correlations were used for statistical analysis. Results: Tooth length measurements made on MRI scans showed moderate to almost perfect agreement with tooth length measurements made on CBCT scans. Higher levels of agreement were …
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A Novel Method For Determining Acetabular Orientation
Enhanced knowledge of the acetabulum is of paramount importance in the diagnostic, planning, and execution stages of procedures and treatments targeting the hip joint. The convoluted and highly variable morphology of the structures comprising the bony pelvis make ascertaining measures of the …