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 37 for “"three-dimensional reconstruction."”.
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Three dimensional reconstruction of objects based on digital fringe projection
Three-dimensional reconstruction of small objects has been one of the most challenging problems over the last decade. Computer graphics researchers and photography professionals have been working on improving 3D reconstruction algorithms to fit the high demands of various real life applications. In …
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Three dimensional reconstruction of the cell cytoskeleton from stereo images
… in the biomedical field. This study examines 3D reconstruction of the cell cytoskeleton. This application of stereo vision to electron micrographs extracts information about the interior structure of cells at the nanometer scale level. We propose two different types of stereo vision approaches: …
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A variational technique for three-dimensional reconstruction of local structure
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 1999.
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Three dimensional reconstruction of plant roots via low energy x-ray computed tomography
… computed tomography to visualize plant roots in three-dimensions and to quantify their complexity in a non-invasive and non-destructive manner. However, they used expensive and less accessible industrial or medical tomographic systems. This research uses an inexpensive, lab-built X-ray computed …
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Correlation-based Full-Waveform Shear Wave Elastography: towards Three-dimensional Reconstruction of Soft Tissue Viscoelasticity.
North Carolina State University Theses Civil Engineering.
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The structure of the nitrilase from Rhodococcus Rhodochrous J1: homology modeling and three-dimensional reconstruction
… 120 kV at 50K magnification. Two independent 3D reconstructions were generated using the IHRSR algorithm executed in SPIDER. These converged to the same structure and the resolution using the FSC 0.5 criterion was 1.7 nm. The helix structure has a diameter of 13nm with ~5 dimers per turn in a …
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Three dimensional reconstruction of the tectorial membrane : an image processing method using Nomarski differential interference contrast microscopy
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.
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The relationship of epithelial rests of Malassez to orthodontic resorption lacunae: a three dimensional reconstruction from serial sections
… an economical technique for producing useful three dimensional reconstructions of human periodontal ligament and attempts to determine the relationship of epithelial rests of Malassez with orthodontic root resorption to clarify any potential function. Root resorption was produced on the buccal …
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Three-Dimensional Reconstruction of Marine Clay Nano- and Microstructure By Transmission Electron Microscopy: Analysis of Fabric and Pore Network
<p>Three-dimensional reconstructions of marine fine-grained sediment open a new dimension for studying nano- and microscale organo-clay fabric important to improving and advancing organic matter (OM) sequestration and fluid flow dynamics modeling. I created 3-D reconstructions of clay fabric and …
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The Fracture Behavior and Mechanical Performance of Biodegradable Cornstarch Plastic Composites
… roughness of the fracture surfaces obtained by three-dimensional reconstruction revealed a relatively positive correlation, meaning that as the fracture surfaces appear rougher and more characteristically like ductile fractures, the stronger, more ductile and tougher the materials.
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Motionless wide angle laser scanning for object detection and multi-spectral discrimination
… tool in may industries requiring digital three-dimensional reconstruction of an object or scene. These include civilian applications such as surveying, automobile collision avoidance, 3D animation modelling, mobile robot navigation, industrial inspection, traffic monitoring and more. The …
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Structual Visualization of Cytoskeletal Force Tranduction
… force-evoked superhelical F-actin spirals. Three-dimensional reconstruction and variability analysis uncover extensive asymmetric remodeling of F-actin's helical lattice. This is recognized by α-catenin, which cooperatively binds along individual strands, preferentially engaging interfaces …
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Bridging the lesioned spinal cord using hydrogel
… Tissue processing 6 4. Immunohistochemistry 7 5. Three dimensional reconstruction of lesion cavity 7 6. Zymography 7 7. Behavioral assessment 8 III. RESULTS 10 1. Hydrogel injection prevent cavity formation after contusive spinal cord injury 10 2. Hydrogel injection suppress microglial activation …
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Image analysis for a mobile phone-based assessment of latent tuberculosis infection
… and a backend processing system that produces a threedimensional reconstruction of the induration for measurement. Recommendations from previous studies on the prototype screening tool, which involved evaluation of the mobile application using mock induration images, included improving the …
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Modellbasierte dreidimensionale Fundusrekonstruktion: ein genereller Ansatz zur Integration multi-modaler Daten des menschlichen Augenhintergrundes
… the present work, a novel approach to three-dimensional reconstruction of the fundus based on back-projection has been developed. A geometrical model of the eye is used to a priori introduce depth information, that is lost in the process of data generation depending on the modality …
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Custom-Engineered and Additively Manufactured Components for Strengthening Steel Bridges
… section loss, enabling millimeter-scale three-dimensional reconstruction using accessible, feld-deployable tools. The third contribution is the integration of reconstructed corrosion geometries with metal additive manufacturing to produce custom-engineered repair components that match the …
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Electrochemical nanomoulding through proteins
… essentially monodisperse complex polymers whose three-dimensional structures are fixed by their encoded amino acid sequences, as "moulds" around which nanostructures can be built by electrochemical fabrication.Bacterial cell-surface layer proteins, or "S-layer" proteins, from two …
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InsideDOG: The Head
This thesis treats the volume segmentation and three-dimensional reconstruction of the CT and dissection image data sets of the „Visible Animal Project“ by means of the VOXEL-MAN-System. In consequence one has here succeeded in producing a volume data based computer model consisting of 779 …
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