Browsing Theses by Title
Now showing items 9627-9646 of 15603
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Multilayer Energy Discriminating Detector for Medical X-ray Imaging Applications
(University of Waterloo, 2012-12-04)Contrast-enhanced mammography (CEM) relies on visualizing the growth of new blood vessels (i.e. tumor angiogenesis) to provide sufficient materials for cell proliferation during the development of cancer. Since cancers ... -
A Multilevel Examination of Factors of the School Environment associated with Time Spent in Physical Activity among a sample of Secondary Students in Ontario, Canada.
(University of Waterloo, 2012-01-17)Background: The high prevalence of children and adolescents not meeting the recommended 60 minutes of physical activity (PA) per day and the associated negative health consequences make it critical to increase PA. Ecological ... -
A Multilevel Method for Image Segmentation
(University of Waterloo, 2010-01-18)Image segmentation is a branch of computer vision that has received a considerable amount of interest in recent years. Segmentation describes a process that divides or partitions the pixels of a digital image into groups ... -
Multilingual Grammatical Error Detection And Its Applications to Prompt-Based Correction
(University of Waterloo, 2024-01-05)Grammatical Error Correction (GEC) and Grammatical Error Correction (GED) are two important tasks in the study of writing assistant technologies. Given an input sentence, the former aims to output a corrected version of ... -
Multilingualism and the risk of Alzheimer disease and dementia
(University of Waterloo, 2011-06-16)Background: Alzheimer disease (AD) is a progressive, late-life neurodegenerative disorder. Given the aging population, AD is a significant health concern. According to the Alzheimer Society of Canada (Smetanin et al., ... -
Multilingualism Management at Work: Language Policies, Practices, and Perceptions in German Multinational Corporations. A Case Study.
(University of Waterloo, 2014-09-08)Workplaces are crucial sites for language use within society, where language is linked to economic matters and specific organizational frames. When it comes to multinational businesses, communication is often embedded into ... -
Multimodal Artificial Intelligence for Histopathology & Genomics Fusion
(University of Waterloo, 2024-01-29)The field of medical diagnostics has witnessed a transformative convergence of artificial intelligence (AI) and healthcare data, offering promising avenues for enhancing patient care and disease comprehension. However, ... -
Multimodal photoacoustic remote sensing (PARS) microscopy combined with swept-source optical coherence tomography (SS-OCT) for in-vivo, non-contact, functional and structural ophthalmic imaging applications
(University of Waterloo, 2021-09-30)Ophthalmic imaging has long played an important role in the understanding, diagnosis, and treatment of a wide variety of ocular disorders. Currently, available clinical ophthalmic imaging instruments are primarily ... -
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 ...