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 125 for “"Multi-Resolution"”.
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Composite Multi resolution Analysis Wavelets
Composite dilation wavelets are a class of wavelets that include additional dilations from a countable subgroup of the invertible matrices. We consider the case when these additional dilation matrices form a finite group. A theory of MRA wavelets is established in this setting along with a theory …
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Multi-resolution surface approximation for animation
… obtained using 2-D deformation technique. A full multigrid (FMG) numerical method is used to solve the surface approximation and the multi-resolution elements created are used directly to define the overlays in a hierarchical B-spline surface. The direct use of FMG multi-resolution data offers …
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Multi-resolution dental image registration based on genetic algorithm
… comparison component of ADIS. We proposed a multi resolution dental image registration based on genetic algorithms. The main objective of this research is to develop techniques for registration of extracted subject regions of interest with corresponding reference regions of interest.;We …
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A Multi Resolution Modular Sensing System for Robotic Applications
… from different sensors is generally at different resolutions. Secondly, the representation of 3-D space requires large amounts of computer memory. Thirdly, the production of the 3-D model, particularly when a large number of sensors are involved requires a substantial amount of processor time. The …
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A multi-resolution approach to an inverse conductivity problem
Thesis (Elec. E. and M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1988.
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Wavelet-based multi-resolution techniques for two-dimensional data analysis
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.
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Multi-resolution region-preserving segmentation for color images of natural scene
… mixture of colors. This thesis describes a multi-resolution segmentation algorithm which rst constructs a region pyramid that preserves the color distributions of regions, and then applies a graph cut algorithm at the top level of the pyramid to identify main regions in the image, and …
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Investigating the mechanisms of protein synthesis using multi-resolution structural data
… trapped in functional states at ever increasing resolution. In order to study different aspects of ribosome function at the atomic level, we developed the molecular dynamics flexible fitting (MDFF) method that combines X-ray and cryo-EM data, furnishing atomic models of the ribosome corresponding …
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Accurate detection for self driving cars using multi-resolution MIMO radar
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms
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Intuitive, interactive, and scalable multi-resolution interfaces for accelerating data exploration
… visualizations with progressively improving resolutions so that users can start exploring the data early and make decisions as soon as possible. To address interactive scalability challenges with spreadsheets, we conduct an in-depth benchmarking study on three popular spreadsheet systems: …
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Towards unifying multi-resolution and multi-description : a distortion-diversity perspective
… two source-channel schemes, one based on multi-resolution (MR) and the other based on multi-description (MD), that have been previously determined to have the same average distortion exponent. We then propose a triple-level source-channel scheme that unifies the Mr-based and the MD-based …
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Wavelet transform-based multi-resolution techniques for tomographic reconstruction and detection
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1994.
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Wavelet-like filter banks for multi-dimensional and multi-resolution signal processing
… wavelet basis function, thereby enabling various multi-dimensional and multi-resolution signal processing operations to be performed efficiently. Many efforts, including theoretical investigation, numerical simulation and application study were made to achieve the project aim. The multi-resolution …
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Low Latency Compressive Sensing using Multi-Resolution Analysis In Radar Signal Processing
… radar. Second, we exploit prior information and multi-resolution analysis properties to introduce a low-latency sub-Nyquist adaptive sampling algorithm. The proposed algorithm is a modified version of CS sampling approach called Xampling but uses Haar wavelets. The Haar wavelet based approach is …
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Multi-resolution methods for modeling, analysis and control of chemical process operations
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1992.
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Multi-resolution analysis of earthquake losses : from city block to national scale
Thesis (S.M. in Transportation)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
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Wavelets and PDEs : the improvement of computational performance using multi-resolution analysis
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1998.
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Joint design of multi-resolution codes and intra / inter- layer network coding
In this thesis, we study the joint design of multi-resolution (MR) coding and network coding. The three step coding process consists of MR source coding, layer coding and multi-stream coding. The source coding considers the allocation of codeword length to the two layers and use base layer …
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Multi-resolution modeling of a discrete stochastic process identifies causes of cancer
… to model a discrete stochastic process at multiple resolutions. We demonstrate that the probability model has a closed-form posterior, enabling efficient and accurate linear-time prediction over any length scale after the parameters of the model have been inferred a single time. We apply …
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Multi-Resolution Techniques Based on Shape-Optimization for the Solution of Inverse-Scattering Problems
… and the analysis of the integration between a multi-resolution imaging procedure and a shape-optimization-based technique. The arising methodology allows, on one hand, to fully exploit the limited amount of information collectable from scattering measurements by means of the iterative …
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