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Partial membership latent Dirichlet allocation
(University of Missouri--Columbia, 2016)
For many years, topic models (e.g., pLSA, LDA, SLDA) have been widely used for segmenting and recognizing objects in imagery simultaneously. However, these models are confined to the analysis of categorical data, forcing ...
Improved genetic algorithm for distribution system performance analysis
(University of Missouri--Columbia, 2017)
The incipient smart grid initiative and increasing use of distributed generation, along with classical problems of distribution system reconfiguration and restoration (DSR), have led to the need for efficient and reliable ...
Multicriteria pathfinding in uncertain simulated environments
(University of Missouri--Columbia, 2018)
Multicriteria decision-making problems arise in all aspects of daily life and form the basis upon which high-level models of thought and behavior are built. These problems present various alternatives to a decision-maker, ...
Design and analysis of a frequency reconfigurable antenna for wireless communication at 5 GHz
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In this research, a frequency reconfigurable antenna was simulated and analyzed. The industry standard simulation suits (CST) was used in the design ...
Moving objects detection and labeling in surveillance videos
(University of Missouri--Columbia, 2014)
Moving objects detection and labeling are an important component of intelligent surveillance systems. Accurate classification of moving objects allows the monitoring system to react to certain events of interest. In this ...
Efficient localization methods for a point source and rigid body
(University of Missouri--Columbia, 2015)
Localization has been a very important and fundamental research topic in GPS, radar, sonar, and especially in mobile communications and sensor networks over the past few years. Localization of a signal source is often ...
Design and analysis of CPW-fed compact planar antennas for ultra wideband communication systems
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In this research, three new designs of planar compact ultra-wideband (UWB) antennas have been studied, simulated, and experimentally measured. Their ...
Development of double-positive metamaterial composites for antenna volume reduction
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] An investigation was conducted into the engineering of fully machinable advanced double-positive metamaterials for use in reducing the wavelength of ...
Deep learning methods for protein prediction problem
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Computational protein structure prediction is very important for many applications in bioinformatics. Many prediction methods have been developed, ...
Chronomorphic characterization and radiolytic degradation analysis of polyurethane with monte carlo modeling of the neutron spectra surrounding age pettrace cyclotron
(University of Missouri--Columbia, 2018)
This thesis describes the development of fast neutron irradiation positions at the MURR GE PETtrace cyclotron for polyurethane (PUR) radiolysis studies. Monte Carlo N-Particle (MCNP) Transport code was used to calculate ...
Neural systems modeling : three case studies /
(University of Missouri--Columbia, 2017)
Computational neuroscience attempts to reverse engineer brain circuits at the cellular and system levels to better understand the function and behavior of neurons and networks in the brain and body. Mathematical models ...
Electrophoretic deposition of graphene enhanced aluminum and bismuth trioxide nanothermite thin films
(University of Missouri--Columbia, 2016)
The work described herein details the characterization of aluminum and bismuth trioxide nanothermite thin films formed by electrophoretic deposition. Additionally, graphene was added to nanothermites before deposition to ...
Facilitating emerging applications on many-core processors
(University of Missouri--Columbia, 2016)
Over the last decade, many-core Graphics Processing Units (GPUs) have been widely used to accelerate a variety of applications. Meanwhile, Intel has released its Xeon Phi Coprocessor, which is equipped with more than fifty ...
A study of power distribution system reconfiguration based on reliability indices
(University of Missouri--Columbia, 2016)
Network reconfiguration is one of the feasible methods for reducing the distribution network loss. The reconfiguration of a distribution system is a process that alters the feeder topological structure by changing the open/ ...
Study of high voltage charge pumping with a resonant piezoelectric device
(University of Missouri--Columbia, 2016)
A lithium niobate piezoelectric transformer (PT) was studied as a high voltage driver for a compact x-ray source. PTs are devices that are commonly found in consumer electronics and typically provide between 100 and 300 ...
Performance/accuracy trade-offs of floating-point arithmetic on NVidia GPUs : from a characterization to an auto-tuner
(University of Missouri--Columbia, 2017)
Floating-point computations produce approximate results, possibly leading to inaccuracy and reproducibility problems. Existing work addresses two issues: first, the design of high precision floating-point representations, ...
Object positioning techniques : performance analysis and efficient solutions
(University of Missouri--Columbia, 2015)
Object positioning is an important research which has been applied in many application areas for decades. Usually, a number of spatially separated observers capture a set of range or angle based measurements, and then ...
Amorphous silicon germanium oxide (Si[sub]xGe[sub]yO[sub]1-x-y) thin films for uncooled infrared microbolometer
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This dissertation presents a detailed characterization of amorphous Silicon Germanium Oxide (Si-Ge-O) thin films for uncooled infrared (IR) microbolometers. ...
Reducing chip count with a programmable system on chip in personnel detection using signal scavenging
(University of Missouri--ColumbiaUniversity of Missouri--Columbia, 2015)
Our laboratory has implemented a personnel detection system, Smart Carpet, which can detect the walking of older adults. The existing system consists of traditional individual components and chips, leading to a large system ...
Moving source localization using doppler frequency shift measurements in sensor network
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This thesis studies and develops a solution for locating a moving source using Doppler frequency shift measurements in sensor network. The study ...