Digital Commons Network^™

Neural Network-Based Low-Level 3d Point Cloud Processing, Pingping Cai

Theses and Dissertations

3D computer vision is a promising research field with the potential to revolutionize future lifestyles. Among various 3D representation formats, point clouds stand out for their efficiency in depicting 3D objects using a set of coordinates, enabling advancements in fields such as autonomous driving, virtual reality, and robotics. Due to the limitations of sensor fields of view and scanning trajectories, the collected point clouds are usually sparse, noisy, and incomplete, impeding the performance of many downstream applications. Thus, the tasks of low-level point cloud processing are proposed to refine and generate dense, clean, and complete point clouds. To accomplish these …

Unaccompanied Double Bass Literature: History, Pedagogy, And Performance Practice, Joseph Lee Gaskins

Theses and Dissertations

While most solo recitals featuring the double bass employ the piano as accompaniment, this ensemble configuration presents several problems for the performer in terms of balance and sound production. These challenges can cause students who are still developing their technique and musicianship to form bad habits in an effort to meet the demands of playing with piano. Over time, double bassists have developed a multitude of strategies to solve the problem of projecting a soloistic sound that will project over the accompaniment. However, the question must be asked: Why not remove the accompaniment from the equation entirely? While the double …

Reducing Information Asymmetry: Economic Value Of Airbnb Signals In A Small College Town, Hatice Sena Akkurt

Theses and Dissertations

Trust is the backbone of platform operations. Airbnb platform designers implement various methods including trust-building mechanisms, user interface (UI) artifacts, and reputation management systems. Previous research has explored trust in Airbnb, yet little is known about the economic value of trust indicators in smaller cities and rural areas. Thus, this thesis investigates the economic significance of User Interface (UI) artifacts, including the “Superhost” badge, star ratings, and listing photographs, within the peer-to-peer accommodation sector in the Columbia Metropolitan Area. Drawing on signaling theory, we conducted quantitative analysis, to examine the relationship between trust indicators and listing prices, controlling factors like …

A Performance And Pedagogical Guide To William Butler Yeats Songs By Ben Moore, James Allen

Theses and Dissertations

American composer, Ben Moore, has written music that has spanned genres including operas, children’s operas, art songs, cabaret songs, and musical theatre songs. His career spans multiple decades, but his music is not performed as often as it should in the Classical Music community. Moore’s music can be daunting at first glance, but many of his composition stylings are present in many of his works. Should one learn how to navigate one of his art songs, they will have a guide that should translate over to his other works. I have decided to focus on the seven art songs with …

Increasing Diversity In The Genetic Counseling Profession: Determining Effective Career Education Strategies For Underrepresented Youth, Bryel Marie Frasch

Theses and Dissertations

Genetic counseling is a professional career path that is lacking in diversity, and diversity in healthcare has been shown to improve health outcomes. Studies suggest student engagement as a way to increase diversity, as early knowledge of genetic counseling increases the likelihood of considering it as a career and is especially true for racial or ethnic minoritized students. This study focused on educating high school students underrepresented in genetic counseling about the career and exploring the effectiveness of two different types of education methods (video vs in-person) to give valuable information for future outreach efforts. Upward Bound and Federal TRIO …

Bridging Tradition And Interpretation: Overdotting In J.S. Bach's Keyboard Music And Recorded Practice, Jiamo Zhang

Theses and Dissertations

Abstract This dissertation presents a research and quantitative study about overdotting performance practice in Baroque music. Overdotting is a performance practice in the 17th and 18th century. It refers to playing dotted rhythms with exaggerated lengthening of the dotted note and shortening of the following note, beyond what is indicated in the notation. In this study, the dual evidence method is applied for cross-verifying recorded performances in the past century with published literature on performance practice of the interpretation of overdotted Baroque performance tradition in J.S. Bach’s solo keyboard work recorded since the early 20th century. The analysis focuses on …

Who’S On First, What’S On Second An Analysis Of Major League Baseball Fans And Multiple Points Of Attachment, Ryan W. Dastrup

Theses and Dissertations

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Investigation Of Shear Modulus And Material Damping Of A Lightly Cemented Silty Sand Representing Offshore Soil, Joshua Jeanjaquet

Theses and Dissertations

Offshore structures remain highly relevant, making the dynamic characterization of offshore soils critical. Since many offshore soils are cemented, understanding their response to dynamic loads is essential for developing accurate models that improve the reliability and cost-effectiveness of offshore structure designs. This study examines the impact of cement content on shear modulus, shear modulus reduction, shear wave velocity, and material damping of lightly cemented fine silty sand. A series of Resonant Column and Torsional Shear tests were conducted. The results were analyzed and compared to existing literature. The modified hyperbolic model was proposed to characterize the shear modulus and damping …

Understanding The Factors Influencing Movement Behaviors Among Dog Owners, Katherine Eileen Devivo

Theses and Dissertations

This dissertation investigates two key objectives: 1) to understand influences of physical activity among dog owners, and 2) to determine if there were differences in objectively measured physical activity levels and/or affect at times when dog owners are with their dogs compared to times when they are not with their dogs. To address the first objective, a qualitative study was conducted with 20 dog owners using semi-structured interviews, constant comparative methodology, grounded theory, and open coding. The findings revealed several key barriers to physical activity and dog walking such as physical health, seasons/weather, time/schedules, and dog specific limitations. Key facilitators …

Comparing And Contrasting Diversity And Inclusion Concepts: An Identity-Blind And Identity-Conscious Application, William Ward

Theses and Dissertations

This dissertation systematically investigates the differences between diversity and inclusion concepts. Notably, this dissertation focuses on exploring the differences between diversity and inclusion climates and recruitment messages. This paper first explores the theoretical traditions that are often applied to diversity (social identity theory) and inclusion climate (optimal distinctiveness theory) and offers guidance on why individuals may react to diversity and inclusion climates differently from the basis of these theoretical foundations. Additionally, this dissertation expands existing theory by promoting a more novel approach of differentiating diversity and inclusion through exploring their relationships with identity-blind and identity-conscious human resource practices. The first …

Designing A Genetics-Based Bibliotherapy Model For Children With Inborn Errors Of Metabolism, Kaitlyn Abagail Gmitro

Theses and Dissertations

Bibliotherapy is a psychotherapy technique utilized to teach individuals about concepts through the use of literature and the arts. The primary aim of this research was to examine how a bibliotherapy model could be applied to improve diet and treatment adherence for people affected with Inborn Errors of Metabolism. Prior to this research, no paper has proposed a tailored bibliotherapy approach for genetic conditions. Through analysis of the caregiver-child relationship and disclosure process and the perceived support needs of both caregivers and providers caring for children with IEMS, our goal was to propose a bibliotherapy model to improve adherence and …

Augmenting Deep Learning For Efficient Nextg Wireless Communication And Sensing Systems, Hem Kanta Regmi

Theses and Dissertations

Wireless networks have become an integral aspect of our daily lives. Over the years, earlier generations of wireless networks have enabled some innovative applications, such as wireless gaming, fast internet browsing, and home automation, which were previously unattainable. However, to support emerging technologies like autonomous driving, virtual reality, telemedicine, and intelligent manufacturing, which require high data throughput and low latency, there is a need for advanced wireless networks. Legacy networks like WiFi/LTE, which operate below 6 GHz, have limited bandwidth and are insufficient to fulfill the high data throughput demands of several applications. Millimeter-wave (mmWave) networks, operating between 30 GHz …

Approaches To Teaching Music Reading To Students With Dyslexia: A Guide For Piano Teachers, Olivia Grace Bradstreet Colomaio

Theses and Dissertations

Dyslexia is the most common learning disability in the United States, affecting approximately one in five individuals. According to the DSM-V-TR, the ICD-11, and the International Dyslexia Association, dyslexia is a Specific Learning Disorder that causes issues with phonological processing, sequencing of information and information processing, word recognition, reading fluency, and other issues. Due to its prevalence, the chances of piano teachers encountering a student with dyslexia in their teaching studios is highly likely. However, there is relatively little research available for piano teachers of students with dyslexia. In the music lesson, common areas of struggle for students with dyslexia …

Newborn Screening For X-Linked Adrenoleukodystrophy: Experiences, Perspectives, And Future Directions For Genetic Counseling, Sophia Salvatore

Theses and Dissertations

There is a notable lack of research regarding genetic counseling practices for infants with screen-positive results for X-linked adrenoleukodystrophy (X-ALD) via newborn screening (NBS). The exploratory study aimed to understand the experiences of genetic counselors providing follow-up care for these infants, assess the complexities associated with NBS for X-ALD, identify potential gaps in genetic counseling practices, and describe the subsequent impact on patient care. A mixed-methods approach was utilized, incorporating an initial survey and optional semi-structured interviews with practicing genetic counselors who had seen a minimum of five cases of infants with screen-positive results for X-ALD in the last two …

Integrating Traditional Chinese Aesthetic Culture With Contemporary Music Through Violin, Fan Kai-Yi Zhang

Theses and Dissertations

This dissertation investigates the integration of traditional Chinese aesthetic principles with contemporary music through selected violin repertoires. It examines the rich tradition of Chinese aesthetics, emphasizing the distinctive musical styles that, despite their variations, share a common cultural foundation. The research combines a comprehensive review of classical Chinese literature, musicological analysis, exploration of pitch materials, harmonic language, and performance-based interpretation to blend and expand the technical and expressive possibilities of the violin with the essence of Chinese music. Rooted in an analysis of key traditional Chinese aesthetic concepts—he (harmony), tianren heyi (the unity of nature and humanity)—and the two major …

Adolescent Sleep Health, Mental Health, And Cardiovascular Disease Risk In Adulthood, Prince Nii Ossah Addo

Theses and Dissertations

Background: Insufficient sleep and poor sleep quality are major public health issues among adolescents in the United States (U.S.). Mental health and substance use challenges are also common among adolescents, particularly those with sleep problems. Although exposures in adolescence have been evidenced to significantly impact future health, little is known about how adolescent sleep health, mental health, and substance use influence future cardiovascular disease (CVD) risk. We, therefore, examined the association between sleep health in adolescence and CVD risk in adulthood and assessed whether the association is mediated by depressive symptoms and substance use in adolescents. Further, we explored the …

The Impact Of Ballet Techniques On Singing Performers, Julie H. Welch

Theses and Dissertations

Singing performers are tasked to being a multifaceted artist using their acting and even dance skills in a performance. Voice teachers have long incorporated physical activity into training, but traditional ballet techniques—such as core tension and neck elongation—can contradict healthy singing practices. Given ballet’s deep historical connection to opera and stage performance, this study aims to examine whether integrating ballet into vocal training enhances or hinders a singer’s technique and overall performance. This investigation surveyed forty subjects who identified as teachers, singing performers, or students earning a performance degree and interviewing select subjects for further information; results will be discussed.

Reclaiming The Body: Gender Politics And Embodied Meaning In Piano Performance And Pedagogy, Rachel Misheff

Theses and Dissertations

This study examines the impact of the mind-body duality and its gendered metaphor on the lived experiences of historical and contemporary female pianists. Specifically, it explores how the principles of mind-body dualism have constructed gendered practices in piano performance and pedagogy that have both marginalized female pianists and engendered distinct embodied relationships to music. The study draws upon research from other disciplines, such as phenomenology, theories of embodiment, feminist theory, psychoanalysis, and Embodied Music Cognition, to examine how these gendered musical norms resulting from mind-body dualism functioned as forces of social inscription. This research, therefore, suggests that the body’s lived …

Activation Of Basal Forebrain Afferents Following Systemic Inflammation, Alexis Morgan Blas

Theses and Dissertations

Sepsis is a large-scale immune response typically due to an imbalance of pro- and anti-inflammatory responses due to some type of infection or insult. Around 1.7 million adults in the United States will develop it each year, making it the leading cause of increased morbidity and mortality in hospitals. Sepsis can lead to many different symptoms, one of which is delirium. Delirium is a mental state of confusion and disorientation and involves delusions, hallucinations, memory issues, and most commonly inattention. Delirium is more prevalent in older individuals which leads to further complications and a higher likelihood of development of long-term …

Automated Fiber Placement Laminate Level Optimization: A Physics-Inspired Method To Analyze Through-Thickness Defect Interactions, Nishan Patel

Theses and Dissertations

With the growing adoption of composite materials in industries such as aerospace, automotive, naval, wind energy, and even sectors like sports and consumer goods, there has been a strong push towards improving manufacturing reliability and productivity. One key method that has gained significant traction is Automated Fiber Placement (AFP), an additive manufacturing technique valued for its precision, efficiency, and adaptability in producing complex composite parts. As industries continue to shift from traditional metal-based structures to more advanced composite materials, the need for efficient and high- quality manufacturing solutions has become even more critical, prompting a focus on automation and optimization …

Stories Between The Stacks: Current Black Women School Librarians' Lived Experiences, Cynthia R. Johnson

Theses and Dissertations

Black women school librarians navigate complex professional landscapes shaped by their lived experiences, intersecting identities, and systemic barriers. Despite their significant contributions to school librarianship, their perspectives remain largely absent from scholarly work. This qualitative study explored how the lived experiences and positionalities of Black women school librarians shape their practices. It addressed the critical gap in research on Black women school librarians. Grounded in Black Critical Theory (BlackCrit) and guided by Black feminist-womanist storytelling, this study employs a narrative approach to explore the experiences of four Black women school librarians in the Southeastern Region of the United States. Data …

Multiscale Modeling Techniques For Electrodynamic Systems, Hunter Teel

Theses and Dissertations

In order to rapidly develop better electromagnetic and electrochemical systems, approaching these complicated topics from multiple perspectives is necessary. The use of mathematical models and numerical simulation offers the ability to evaluate and predict the performance of these systems based off the principles of electrodynamics in an ideal setting. Through the use of Computational Fluid Dynamics (CFD), representative geometries of scales can be created and evaluated to provide insight into the behavior of these systems. Simulation offers a modifiable environment that can approach the relevant physics from both the microscale and macroscale. Conclusions, results, boundary conditions, or other information from …

Frequency-Based Rapid Structural Damage Detection Using Embedded Edge Computing On Resource-Constrained Devices, Ryan Yount

Theses and Dissertations

Structural Health Monitoring (SHM) is essential for ensuring reliability and longevity of useful structures. Traditional SHM approaches rely on manual or remote data transmission and external processing, which introduce latency and can depend on stable communication links. This work aims to advance SHM by integrating edge-computing techniques for rapid damage detection to enable faster and more autonomous structural assessments in resource-constrained environments. The research spans three key contributions including 1) frequency-based damage detection of civil structures using a sensor package with the addition of an edge processor, 2) additions to the computational efficiency of the edge-computing sensor package in a …

Exploring Teacher Perspectives Of Literacy Instruction For Students With Behavioral Needs, Lauren Dalton Astle

Theses and Dissertations

This study examines the perceptions of elementary teachers who have implemented effective literacy instruction strategies to enhance the reading skills of students with significant behavioral challenges in general education classrooms. Recognizing that students with behavioral issues often face amplified academic and social difficulties, the study highlights the necessity of robust literacy instruction to foster academic success. Nineteen teachers, whose students achieved at least 85% student progress in reading as assessed by the Acadience Learning assessments, were interviewed to gather their perceptions of effective instructional practices. The findings identified four critical themes: teacher efficacy, instructional design, an intentional learning environment, and …

Evaluating And Improving U.S. National Water Model Evapotranspiration Estimates Through Eddy-Covariance Flux Tower Observations And Machine Learning Post-Processing, Abin Raj Chapagain

Theses and Dissertations

Despite ET's critical importance in the hydrological cycle, very little has been done to provide ET forecasts at a national level. This study comprises two research chapters examining the National Water Model's (NWM) evapotranspiration (ET) simulations. In Chapter II, we conducted the first comprehensive NWM ET model performance assessment by comparing simulations to eddy-covariance flux tower measurements across the Continental United States (CONUS) on a high-resolution, 1 KM square grid. We clustered results by National Weather Service (NWS) River Forecast Centers (RFCs), land cover classifications, elevation bands, and Köppen-Geiger Climate Zones. The NWM performs best in the Northeast and Ohio …

A Study To Identify The Causal Rare Genetic Variants In Primary Open And Closed Angle Glaucoma, Pseudoexfoliation Syndrome, And Associated Glaucoma, Suganya K

Theses and Dissertations

BACKGROUND: Glaucoma is the second most common cause of blindness globally typically diagnosed with a triad of clinical symptoms of increased intraocular pressure (IOP) with associated optic disc, optic nerve head (ONH) changes, and visual field defects. Genetic and environmental factors are some of the strong aetiology factors for glaucoma and identification of these factors has a potential implication in the management of the disease and its outcome. There is a paradigm shift towards understanding the genetics of glaucoma, wherein the variants in the nuclear, mitochondrial genome and other regulatory regions are being identified as contributing risk factors.

METHODOLOGY AND …

Modeling And Characterization Of On-Orbit Servicing Architectures For Efficient Mission Planning, Samantha Q. Vi Tang

Theses and Dissertations

As space-based systems become increasingly critical to global infrastructure, efficient satellite maintenance and resource management have become essential to ensuring operational longevity. On-orbit servicing has emerged as a key strategy for extending satellite lifespans, mitigating space debris accumulation, and enhancing the cost effectiveness of space operations. This study presents a comprehensive mixed-integer programming (MIP) model to optimize servicer task assignments and routing while minimizing propellant consumption. The model captures the operational complexities of servicing a network of satellites across multiple orbits by incorporating realistic constraints, such as fuel limitations and task completion time windows. Sensitivity analysis allows mission planners to …

Comparing The Effects Of Square, 4-7-8, And 6 Breaths-Per-Minute Breathing Conditions On Heart Rate Variability, Co2 Levels, And Mood, Joshua Marchant

Theses and Dissertations

Background and Hypotheses: Square and 4-7-8 breathing are popularly promoted by psychotherapists but have little empirical support. We hypothesized that breathing at 6 breaths per minute (bpm) would improve HRV, reduce blood pressure, and improve mood more than either square or 4-7-8 breathing. We also hypothesized square and 4-7-8 breathing would increase end-tidal CO2 (PETCO2). Methods: Eighty-four college students (60% female) had HRV measured at baseline and during 1) square breathing, 2) 4-7-8 breathing, 3) 6 bpm with a 4:6 inhale-to-exhale ratio, and 4) 6 bpm with a 5:5 ratio. We used a 3-lead electrocardiogram to measure HRV and a …

Key Characteristics Of Long-Lived Portland Cement Concrete Airfield Pavements In The United States Air Force Enterprise, Cameron J. Palmer

Theses and Dissertations

The United States Air Force maintains a $30 billion portfolio of airfield pavements essential for national security. Despite their importance, budget constraints have limited average annual repair funding to $260 million over the past decade, requiring pavements to last significantly longer than their typical life span. This project addresses the central question: What design features or characteristics contribute to the longevity of Portland Cement Concrete (PCC) airfield pavements? Utilizing data from AFCEC's Airfield Pavement Evaluation (APE) team and the PAVER sustainment management system, this study employed linear regression, logistic regression, and deep artificial neural network (ANN) modeling techniques to identify …

Characterizing The Effects Of Rage Upregulation In Lung Development, Derek Michael Clarke

Theses and Dissertations

The Receptor for Advanced Glycation End-products (RAGE) is a transmembrane, multi-ligand cell surface receptor highly expressed in pulmonary tissue, where it plays a critical role in mediating inflammatory responses. Under chronic toxicant exposure, often associated with cigarette, e-cigarette, and diesel particulate, RAGE transitions from a protective to a deleterious state, contributing to pathological processes. In adult models, RAGE's role in the development of lung disease has been well studied, yet in the context of lung development RAGE has not been well studied with a small number of clinical papers finding increased levels of RAGE in bronchopulmonary dysplasia(BPD) and respiratory distress …