Browsing Theses by Title
Now showing items 7192-7211 of 15526
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Improved Bayesian Network Structure Learning in the Model Averaging Paradigm
(University of Waterloo, 2023-01-10)A Bayesian network (BN) is a probabilistic graphical model with applications in knowledge discovery and prediction. Its structure can be learned from data using the well-known score-and-search approach, where a scoring ... -
An Improved Convex Optimization Model for Two-Dimensional Facility Layout
(University of Waterloo, 2007-01-23)The facility layout design problem is a fundamental optimization problem encountered in many manufacturing and service organizations that was originally formulated in 1963 by Armour & Buffa. This thesis derives a convex ... -
Improved Data Uncertainty Handling in Hydrologic Modeling and Forecasting Applications
(University of Waterloo, 2019-03-15)In hydrologic modeling and forecasting applications, many steps are needed. The steps that are relevant to this thesis include watershed discretization, model calibration, and data assimilation. Watershed discretization ... -
Improved Diagnostics & Performance for Quantum Error Correction
(University of Waterloo, 2023-08-04)Building large scale quantum computers is one of the most exciting ventures being pursued by researchers in the 21st century. However, the presence of noise in quantum systems poses a major hindrance towards this ambitious ... -
Improved Dynamic Latent Variable Modeling for Process Monitoring, Fault Diagnosis and Anomaly Detection
(University of Waterloo, 2024-01-04)Due to the rapid advancement of modern industrial processes, a considerable number of measured variables enhance the complexity of systems, progressively leading to the development of multivariate statistical analysis (MSA) ... -
Improved Electric Vehicle Powertrain Incorporating a Lithium-Ion Battery and a Range Extender Zinc-Air Battery, plus Associated Health and Economic Benefits
(University of Waterloo, 2019-11-26)As the world confronts the serious challenge posed by anthropogenic climate change, electric vehicles have emerged as a serious candidate to displace gasoline-burning vehicles. In spite of the environmental and operational ... -
Improved Environmental Operation of Alcohol Breathalyzers with Functionalized Graphene Nanocomposite Membranes
(University of Waterloo, 2016-09-06)Driving under the influence of alcohol is prohibited or restricted in almost every country on the planet. In Canada, a Blood Alcohol Content (BAC) of 0.08 g dL-1 results in a Criminal Code offense and vehicle impoundment. ... -
An Improved Framework for Watershed Discretization and Model Calibration: Application to the Great Lakes Basin
(University of Waterloo, 2015-01-20)Large-scale (~103–106 km2) physically-based distributed hydrological models have been used increasingly, due to advances in computational capabilities and data availability, in a variety of water and environmental resources ... -
Improved image speckle noise reduction and novel dispersion cancellation in Optical Coherence Tomography
(University of Waterloo, 2008-09-25)Optical coherence tomography (OCT) is an innovative modern biomedical imaging technology that allows in-vivo, non-invasive imaging of biological tissues. At present, some of the major challenges in OCT include the need for ... -
Improved Interflow and Infiltration Algorithms for Distributed Hydrological Models
(University of Waterloo, 2010-09-28)The shallow subsurface controls the partitioning of available energy between sensible and latent heat of the land surface, and the partitioning of available water among evaporation, infiltration, and runoff. It is a key ... -
Improved Keyrates for Quantum Key Distribution from two-way Classical Communication
(University of Waterloo, 2022-09-22)Quantum Key Distribution (QKD) promises information-theoretic security of secret keys. An important metric for QKD protocols is the asymptotic keyrate. We propose and analyze several new classical processing protocols for ... -
Improved LaneNet for Lane Detection
(University of Waterloo, 2023-12-18)Lane detection is a critical component in autonomous vehicles and advanced driver assistance systems (ADAS), enabling accurate lane tracking and vehicle positioning. While traditional lane detection methods based on ... -
An Improved Model for the Dynamic Routing Effect Algorithm for Mobility Protocol
(University of Waterloo, 2005)An ad-hoc network is a packet radio network in which individual mobile nodes perform routing functions. Typically, an ad-hoc networking concept allows users wanting to communicate with each other while forming a temporary ... -
Improved Model Poisoning Attacks and Defenses in Federated Learning with Clustering
(University of Waterloo, 2022-05-12)Federated Learning (FL) allows multiple participants to collaboratively train a deep learning model without sharing their private training data. However, due to its distributive nature, FL is vulnerable to various poisoning ... -
Improved Models for the Potential Energy Functions of the Ground Singlet and Lowest-Lying Triplet States of the Cesium Dimer
(University of Waterloo, 2012-08-23)The Morse/Long Range (MLR) potential has become one of the most reliable and highly used potential energy functions for diatomic molecules. It includes the theoretical long range behaviour that diatomic molecules are ... -
Improved Multi-resolution Analysis of the Motion Patterns in Video for Human Action Classification
(University of Waterloo, 2011-10-03)The automatic recognition of human actions in video is of great interest in many applications such as automated surveillance, content-based video summarization, video search, and indexing. The problem is challenging due ... -
Improved Numerical Methods for Distributed Hydrological Models
(University of Waterloo, 2010-01-21)Distributed hydrological models have been used for decades to calculate and predict the movement of water and energy within watersheds. These models have evolved from relatively simple empirical applications into complex ... -
Improved Overlay Alignment of Thin-film Transistors and their Electrical Behaviour for Flexible Display Technology
(University of Waterloo, 2010-12-20)The integration of hydrogenated amorphous silicon (a-Si:H) thin-film transistors (TFTs) with plastic substrates enables emerging technologies such as flexible organic light emitting diode (OLED) displays. Current a-Si ... -
Improved Particle Filter Based Localization and Mapping Techniques
(University of Waterloo, 2008-04-28)One of the most fundamental problems in mobile robotics is localization. The solution to most problems requires that the robot first determine its location in the environment. Even if the absolute position is not necessary, ... -
Improved Scalability and Accuracy of Bayesian Network Structure Learning in the Score-and-Search Paradigm
(University of Waterloo, 2023-05-16)A Bayesian network is a probabilistic graphical model that consists of a directed acyclic graph (DAG), where each node is a random variable and attached to each node is a conditional probability distribution (CPD). A ...