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 944 for “"multi-dimensional"”.
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Multi-dimensional clustering in user profiling
… algorithm for the user profiling, namely Multi-Dimensional Clustering (MDC), has been proposed. The MDC is a modified version of the Instance Based Learner (IBL) algorithm. In IBL every feature has an equal effect on the classification regardless of their relevance. MDC differs from the …
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KNN Optimization for Multi-Dimensional Data
<p>The K-Nearest Neighbors (KNN) algorithm is a simple but powerful technique used in the field of data analytics. It uses a distance metric to identify existing samples in a dataset which are similar to a new sample. The new sample can then be classified via a class majority voting of its most …
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Multi-Dimensional Analysis of Graph Data
In conclusion, the multi-dimensional analysis framework could lead to intuitive and insightful knowledge discovery on graphs, especially when the data is large and complex. Given the emerging trend of huge information networks as listed above, it is an important research topic to devote more …
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The dynamics of multi-dimensional detonation
… detonation shock is large compared with the one-dimensional steady Chapman-Jouguet (CJ) detonation reaction-zone thickness. The analysis considers additional time-dependence in the slowly-varying reaction zone than that considered in previous works. The detonation is assumed to have a sonic point …
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Multi-dimensional Flow and Combustion Diagnostics
… flows and turbulent flames are inherently multi-dimensional in space and transient in time. Therefore, multidimensional diagnostics that are capable of resolving such spatial and temporal dynamics have long been desired; and the purpose of this dissertation is to investigate three such …
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Laptop Improvisation in a Multi-Dimensional Space
… A summary of the argument is that by creating a multi-dimensional environment of Sonic Vector Spaces (see page 17) and implementing a method for quickly traversing that environment, a performer is able to create enough information flow to achieve laptop virtuosity. At the same time, traversing …
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Multi-dimensional Data Analysis in Electron Microscopy
This thesis discusses various large multi-dimensional dataset analysis methods and their applications. Particular attention is paid to non-linear optimization analyses and general processing algorithms and frameworks when the datasets are significantly larger than the available computer memory. All …
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Multi-dimensional personhood and the welfare state
… to welfare but have done so on an inadequate, unidimensional understanding of the person – a serious theological engagement with welfare will recognise and seek to honour a multi-dimensional understanding of human personhood. Thus, a theological understanding of human persons will recognise their …
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Optimum systems in multi-dimensional random processes
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1961.
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Methods of invisibility and multi-dimensional display
Modern methods of multidimensional display are extremely limited in their depiction of three dimensional environments. Improving upon modern integral imaging displays with respect to viewing angle and angular resolution, a new method is proposed consisting of spherical lenses to focus incident …
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Multi-Dimensional Medial Geometry: Formulation, Computation, and Applications
… problem, many applications prefer even lower dimensional medial forms, e.g., shape centers of 2D shapes, and medial curves of 3D shapes. Unfortunately, good significance measures and good definitions of lower dimensional medial forms are still lacking. In this dissertation, we extended Blum's …
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Multi-Dimensional Problems In Single-Resource Revenue Management
This dissertation addresses three multi-dimensional problems in single-resource revenue management. Many problems in revenue management involve managing a single resource but their dynamic programming formulation still requires using a multi-dimensional vector as the state variable. For instance, …
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High-resolution direction finding in multi-dimensional scenarios
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Multi-dimensional bit rate control for video communication
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Synthetic movies derived from multi-dimensional image sensors
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Architecture, 1989.
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Laplacians on Nonisotropic Heisenberg Groups with Multi-Dimensional Center
… of the nonisotropic Heisenberg group with multi- dimensional center. The sub-Laplacian on it is introduced. By taking the inverse Fourier transform of the sub-Laplacian with respect to the center, we get a family of twisted Laplacians. They are proved to be globally hypoelliptic in the …
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Multi-dimensional Channel Parameter Estimation for mmWave Cylindrical Arrays
Millimeter-wave (mmWave) large-scale antenna arrays, standardized for the fifth-generation (5G) communication networks, have the potential to estimate channel parameters with unprecedented accuracy, due to their high temporal resolution and excellent directivity. However, most existing techniques …
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Multi-Dimensional Mixed-Mode Hybrid Simulation, Control and Applications
… framework through the study of the three-dimensional behavior of a skew RC bridge. First, extensive analyses of skew bridges are conducted to prepare for the hybrid simulation. Subsequently, a small-scale RC pier is experimentally tested as a physical substructure, while the rest of the …
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Globally -Coordinated Locally-Linear Modeling of Multi-Dimensional Data
… nonlinear appearance variations by using low-dimensional representation of the appearance change in globally-coordinated linear subspaces. In dynamic texture synthesis, we are able to model non-stationary dynamic textures, which cannot be handled by any of the existing approaches. In human …
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