Browsing Theses by Title
Now showing items 9608-9627 of 15565
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A Multimodal Sensor Fusion Architecture for Audio-Visual Speech Recognition
(University of Waterloo, 2007-05-22)A key requirement for developing any innovative system in a computing environment is to integrate a sufficiently friendly interface with the average end user. Accurate design of such a user-centered interface, however, ... -
Multimodal spoofing and adversarial examples countermeasure for speaker verification
(University of Waterloo, 2022-07-26)Authentication mechanisms have always been prevalent in our society — even as far back as Ancient Mesopotamia in the form of seals. Since the advent of the digital age, the need for a good digital authentication technique ... -
Multipath Miller Compensation for Switched-Capacitor Systems
(University of Waterloo, 2011-08-16)A hybrid operational amplifier compensation technique using Miller and multipath compensation is presented for multi-stage amplifier designs. Unconditional stability is achieved by the means of pole-zero cancellation where ... -
Multiphase Mass Transfer and Capillary Properties of Gas Diffusion Layers for Polymer Electrolyte Membrane Fuel Cells
(University of Waterloo, 2009-01-23)A detailed understanding of mass transport and water behavior in gas diffusion layers (GDLs) for polymer electrolyte membrane fuel cells (PEMFCs) is vital to improving performance. Liquid water fills the porous GDL and ... -
Multiphysical dislocation dynamics models for high strain rate plastic deformation
(University of Waterloo, 2015-03-10)Discrete Dislocation Dynamics (DD) models provide a framework to advance the understanding of plasticity. However, existing DD models currently do not account for multiphysical effects. Multiphysical phenomena are often ... -
Multiphysics Modeling of a Microchannel Methanol Steam Reformer for High Temperature Polymer Electrolyte Membrane Fuel Cell Systems
(University of Waterloo, 2019-03-13)One of the main challenges facing power generation by fuel cells is the difficulties of hydrogen fuel storage. Several methods have been suggested and studied by researchers to overcome this problem. Among these methods, ... -
Multiphysics Modelling of an Alkaline All-Iron, All-Soluble Aqueous Redox Flow Battery
(University of Waterloo, 2021-05-26)The development of redox flow battery (RFB) technologies has attracted considerable attention in recent years. Redox flow batteries are electrochemical energy storage devices that operate as flowing systems. Unlike what ... -
Multiphysics Modelling of Energy Storage Devices Using Pore Scale Approaches
(University of Waterloo, 2020-12-16)The advancement in high-resolution X-ray tomography image acquisition techniques has enabled imaged-based modelling of pore-scale transport processes to better understand structural performance relationship in porous media. ... -
Multiphysics Modelling of Liquid Crystal Based Adaptive Lenses
(University of Waterloo, 2020-09-30)Conventional lenses are limited by their fixed shaped and optical properties. Liquid crystal adaptive lenses (LCLAs) are a promising candidate to move beyond these limitations thanks their tuneable optical properties. A ... -
Multiphysics pore network simulation of electrochemical devices as a design tool
(University of Waterloo, 2022-12-22)Redox flow batteries including the vanadium redox flow battery (VRFB) and Zn-air batteries have attracted attentions in energy storage projects due to their scalability and high energy density. Performance of these devices ... -
Multiple Agent Architecture for a Multiple Robot System
(University of Waterloo, 2005)Controlling systems with multiple robots is quickly becoming the next large hurdle that must be overcome for groups of robots to successfully function as a team. An agent oriented approach for this problem is presented ... -
The Multiple Barrier Approach to Safe Drinking Water for First Nations Communities: A Case Study
(University of Waterloo, 2010-01-21)The drinking water contamination tragedy in Walkerton, Ontario during the spring of 2000 led to many changes in water management for the province. Among these changes has been the increased use of the multiple barrier ... -
Multiple Continuous Subgraph Query Optimization Using Delta Subgraph Queries
(University of Waterloo, 2018-10-23)This thesis studies the problem of optimizing and evaluating multiple directed structural subgraph queries, i.e., those without highly selective predicates on the edges or vertices, continuously in a changing graph. Existing ... -
Multiple Cooperative Swarms for Data Clustering
(University of Waterloo, 2008-09-24)Exploring a set of unlabeled data to extract the similar clusters, known as data clustering, is an appealing problem in machine learning. In other words, data clustering organizes the underlying data into different ... -
Multiple Criteria Decision Analysis: Classification Problems and Solutions
(University of Waterloo, 2006)Multiple criteria decision analysis (MCDA) techniques are developed to address challenging classification problems arising in engineering management and elsewhere. MCDA consists of a set of principles and tools to assist ... -
A Multiple Instance Learning Approach to Electrophysiological Muscle Classification for Diagnosing Neuromuscular Disorders Using Quantitative EMG
(University of Waterloo, 2018-09-21)Neuromuscular disorder is a broad term that refers to diseases that impair muscle functionality either by affecting any part of the nerve or muscle. Electrodiagnosis of most neuromuscular disorders is based on the ... -
Multiple jeopardies: COVID-19 related health and wellbeing among older adults in Uganda
(University of Waterloo, 2023-05-25)ABSTRACT The COVID-19 pandemic has highlighted the disparities in access to water, sanitation, and hygiene (WASH) resources and health among various populations and regions, with sub-Saharan Africa (SSA) being affected ... -
Multiple Memory Material Processing for Augmentation of Local Pseudoelasticity and Corrosion Resistance of NiTi-based Shape Memory Alloys
(University of Waterloo, 2013-04-22)Possessing unique thermomechanical properties, the discovery of nickel-titanium shape memory alloys (SMAs) has sprouted a plethora of applications in various fields, including aerospace, automotive, microelectronics, and ... -
Multiple Methods for Assessing the Sustainability of Shallow Subarctic Ponds in Churchill Region: Hudson Bay Lowland, Canada
(University of Waterloo, 2011-09-30)This thesis examines the occurrence of hydrologic variability in subarctic ponds within the Churchill region of the Hudson Bay Lowland (HBL) and investigates the utility of using remote sensing studies to characterize ... -
Multiple Object Tracking with Occlusion Handling
(University of Waterloo, 2010-02-17)Object tracking is an important problem with wide ranging applications. The purpose is to detect object contours and track their motion in a video. Issues of concern are to be able to map objects correctly between two ...