Digital Commons Network^™

Generating Real-Time Synthetic Datasets To Improve Aerial Object Detection, Garrett Williams

Theses and Dissertations

The widespread use of unmanned aerial vehicles (UAVs) across civilian and military applications has necessitated the advancement of real-time drone detection and tracking capabilities. Machine Learning (ML) addresses these requirements, however, to train a robust and generalizable model requires large and diverse video datasets. Curating these real-world datasets is often time-consuming and cost-prohibitive. Here, we present DyViR, a real-time customizable rendering application capable of automatically generating highly realistic synthetic, multi-modal video of aerial objects, digital environments, and automatic generation and labeling of bounding boxes. Synthetic data, coupled with real-world training sets, augment the ML training process, leading to increased performance …

The Perceived Knowledge Of Effects Of Radiological Effects Amongst Radiologic Professionals, Kenneth Martinucci

Theses and Dissertations

X-ray, an accidental discovery in 1895, has been used to diagnose and treat various ailments. Despite the benefits of X-rays, it has been established that the radiation has the potential to cause harm to individuals and even death following its use. The harm associated with radiation has been evidenced in various historical tragedies globally, including the Chernobyl accidents, the Goiania accidents, and even the atomic bombings in Hiroshima and Nagasaki. These incidents highlight the potential hazards associated with radiation use. Individuals exposed to the radiation from the incidents had higher risks of cancer, neurological dysfunctions, congenital disabilities, predispositions to cardiovascular …

Enhancing Emergency Response To The Active Shooter With Nims, Edwin A. Vazquez

Theses and Dissertations

The purpose of the following study is to identify components of the National Incident Management System (NIMS) that can be used to improve first responder deployment in critical incidents, such as in the occurrence of an Active Shooter (AS) and Active Deadly Threat (ADT). The Incident Command System (ICS), a component of NIMS, is the on-scene emergency management organization designed to aid in managing resources during planned and unplanned catastrophic events. An AS/ADT incident is typically planned by the perpetrator and unexpected to first responders, leaving them with limited time to respond to and neutralize this type of threat effectively. …

Examining How Task Forces Utilize Intelligence Methods During Anti-Human Trafficking Operations: Mitigating The Threat Of Human Trafficking Among Native American Women And Girls, Jessica Shockness

Theses and Dissertations

Native American women and girls, including First Nations people, have been disproportionately targeted due to centuries of marginalization, severe maltreatment, and gender inequality. To mitigate these violent acts, law enforcement and intelligence agencies should use various intelligence methods to identify and locate traffickers, victims, and high-risk locations. The intelligence methods that are analyzed in this study include open-source, geospatial and human intelligence. The lack of utilizing these methods can hinder the ability to mitigate human trafficking effectively. According to a study conducted through Northwestern University, Farrell et al. (2019) provided evidence showing that the Uniform Crime Reporting program continuously displays …

Sustainability Risk In Guyana’S Oil Sector: An Analytical Framework For Balancing Environmental And Economic Impacts, Kayla B. Moonsammy

Theses and Dissertations

This study investigates the sustainability risks posed by Guyana’s rapidly expanding oil sector, with particular focus on balancing economic benefits against environmental vulnerabilities. The primary aim is to develop a Sustainability Risk Index (SRI) that captures the multidimensional impacts of offshore oil development using an integrated data-driven framework. Specifically, this thesis examines how emissions, biodiversity loss, oil spill exposure, economic volatility, and social development indicators interact to influence sustainability outcomes in the context of Guyana’s transition into a major petroleum-producing nation. The research does not involve human participants; instead, it draws on publicly available datasets collected from 2015 to 2024. …

Enhancing Irs Localization Via Ml-Driven Aoa And Distance Estimation, Nikhila Kotlapara Surendran

Theses and Dissertations

Intelligent Reflecting Surfaces (IRSs) are transforming next-generation wireless networks by enabling dynamic control of the propagation environment for improved localization and security. This thesis advances Angle-of-Arrival (AoA) and distance estimation in IRS-assisted systems using a hybrid architecture with active sensing and passive reflecting elements. A modified MUSIC algorithm, optimized for near-field localization, decouples 2‑D AoA and 1‑D range estimation using a grid-and-peak pseudo-spectrum scan, achieving sub-degree AoA (0.003 rad) and sub-meter range (0.05 m) accuracy with over 100× lower complexity than classical 3D MUSIC.

The study further applies the algorithm to the DeepMIMO dataset (O1_28 scenario, 3.5 GHz) using …

“You’Re Only As Good As Your Resources”: Exploring Virginia Police Chiefs’ And Sheriffs’ Decisions As Public Administrators To Engage In Community Collaborations With Domestic And Sexual Violence Agencies, Christine E. Wengloski

Theses and Dissertations

The collaborations between domestic and sexual violence victim-serving agencies (DSVAs) and law enforcement agencies help connect victims of crime to needed services. To maximize the benefits of these victim-serving initiatives in Virginia, it is imperative that victim-serving agencies understand the perceptions and factors that influence the decision-making of law enforcement administrators. In this study, I first present a theoretical framework of Herbert Simon’s Decision-Making Theory as a guide to understanding police chiefs and sheriffs as public administrators. A review of the literature demonstrates gaps in existing scholarship around chiefs’ and sheriffs’ decision-making about domestic and sexual violence victim-serving initiatives. Next, …

Into Thick Air: Adapting Cultural Practices Into Solutions For Modern Wicked Problems, Syed Muhammad Erzum Naqvi

Theses and Dissertations

Into Thick Air argues that cultural practices can inspire solutions

to challenging modern problems. This project employs the Basant

festival as a case study to critically reimagine kite flying as a

collective practice with the potential to contribute to the reduction

of air pollution in Lahore, a city consistently ranked among those

with the poorest air quality globally. By building kites from fabric

treated with nanoparticle coatings, Into Thick Air transforms a

traditional community activity into an accessible, citizen-driven

method for removing pollutants from the air. The treated kites

empower Lahoris to take charge of their environment while

encouraging collective …

Resilience And Stress: Trauma, Grit, Resilience And Perceived Organizational Support In First Responders, Paige Gallas Parker

Theses and Dissertations

First responders comprise an underserved and under-researched population, despite consensus that their work involves exposure to potentially traumatic events. Inconsistent definitions of “first responder” and unclear prevalence rates of posttraumatic stress symptoms (PTSS) limit efforts to assess and promote resilience. This study examined the relationships between grit, resilience, perceived organizational support, and trauma symptoms in a sample of 234 first responders (69% firefighters, 29% lifeguards) employed by a large West Coast fire department. Measures included a demographics questionnaire, the Professional Exposure to Traumatic Events (PETE), the Posttraumatic Stress Disorder Checklist (PCL-5), the Connor-Davidson Resilience Scale (CD-RISC-10), the Short Grit Scale …

Ai-Bms: Ai Battery Management System For Safe Uas Operations In High Electric And Magnetic Fields And Uncertain Conditions: Wind, Battery Drain, Temperature, And Payload, Tanzim Jim Hassan

Theses and Dissertations

Unmanned aerial systems/vehicles (UAS/UAVs) are increasingly utilized for inspecting high-voltage (HV) transmission (Tx) lines. However, operating in the vicinity of electric (E) and magnetic (H) fields can affect UAV control and battery performance. Pilots unfamiliar with high E/H field environments often struggle to accurately estimate remaining flight time, resulting in either premature mission terminations or crashes due to depleted batteries. To address these challenges, this thesis focuses on developing an intelligent Battery Management System (BMS) for UAVs to ensure safe and reliable surveillance operations under various uncertain conditions, such as wind gusts, temperature variations, E/H fields, battery drain, and payload …

Hazard Impact Assessment Of Brine Spills On Groundwater Pollution In Western North Dakota, Grace Dzifa Agbozo

Theses and Dissertations

The rapid expansion of oil and gas production in North Dakota’s Bakken Formation has heightened environmental concerns, particularly groundwater contamination from brine spills. Brine, a highly saline byproduct of oil extraction, poses a serious threat to water quality due to its chemical composition. This study examines brine spill impacts from 2013 to 2024 across Williams, Mountrail, McKenzie, and Dunn counties using GIS and the DRASTIC model, enhanced with Analytical Hierarchy Process (AHP) and Fuzzy Overlay techniques. Essential hydrogeological factors were analyzed to produce vulnerability index maps. Furthermore, spatial autocorrelation (Moran’s I), Optimized Hot Spot Analysis, and Emerging Hot Spot Analysis …

Upskilling California’S Public Health: An Assessment Of An Online Data Science Program, Michelle Ruiz

Theses and Dissertations

The COVID-19 pandemic exposed critical gaps in public health workforce data capabilities, prompting increased investment in data science training. This instrumental case study examined the effectiveness of University of California, Berkeley School of Public Health's online data science training program, developed in partnership with the California Department of Public Health to strengthen the state's public health workforce. The study analyzed program artifacts collected between October 2023 and September 2024, including Course Analytics Reports documenting enrollment patterns and Course Evaluation Reports structured according to considering the first two levels of Kirkpatrick's Four-Level Training Evaluation Model (1994). Analysis of nine courses revealed …

Symptom Presentations And Effective Mental Health Interventions For Those Experiencing Homelessness: A Systematic Review, Abraham Sloves

Theses and Dissertations

Homelessness is a present and concerning issue without a clear solution due partly to barriers in public policy, as well as challenges in homelessness research. Research seems to indicate that barriers to effective research on homelessness include inconsistent and incomplete data on homelessness prevalence, a lack of consistency in defining homelessness, and lack of generalizable research (Hossain et al., 2020). This is especially true when it comes to the intersection between homelessness and mental illness. While research has been done on interventions for unhoused individuals (Morton et al., 2020; Ponka et al., 2020), studies often fail to address the complex …

News Mediated Reporting And Governmental Narratives About The Enforcement Of Elite Criminality: Exploring The Social Construction Of Financial Frauds And Discrepancies In Punishment, Dominic J. Zicari

Theses and Dissertations

This study examines how financial crime enforcement decisions are socially constructed through a qualitative content analysis of news articles and government communications pertaining to two specific cases: the Enron scandal of 2001 and the subprime mortgage crisis of 2008. The study was guided by a theoretical framework that utilizes Barak’s (2017) theory of state-routinized crime control. The rigorous analysis of 394 news articles and government communication documents revealed that the media and the state rarely framed the subprime mortgage crisis as a criminal issue. Although the Enron scandal was frequently described as financial crime, journalists and government communicators were often …

Through The Lens Of Social Media: Examining The Relationship Between Exposure To Social Media Videos Of Police Misconduct And Perceptions Of Legitimacy And Cooperation With Campus Police, Kamal Alhassan

Theses and Dissertations

This dissertation examines how exposure to social media and internet news videos depicting police misconduct influences college students' perceptions of campus police legitimacy, procedural justice, and willingness to cooperate. Although prior research has demonstrated the impact of media portrayals on perceptions of municipal police, limited attention has been given to campus policing contexts. Guided by Tyler’s process-based theory of police legitimacy and Gerbner’s cultivation theory, this quantitative study surveyed 400 students at a large public university in the Southeastern Mid-Atlantic region. Measures included self-reported viewing and engagement with police misconduct content on social media, internet, and traditional media platforms, as …

Navigating Leadership As A Black Woman In The United States Space Industry: An Exploration, Rogena Thurber

Theses and Dissertations

This phenomenological study explored the ontological perspectives and leadership experiences of Black women in the U.S. space industry, employing an intersectionality conceptual framework. The research aimed to understand how Black women navigated their paths to leadership at the intersection of gender and race within Predominantly White Institutions (PWIs) in the U.S. Space Industry (USSI).

Following a pilot phase to refine the research approach, eight one-hour, one-on-one interviews were conducted with Black women leaders from seven major USSI organizations in Southern California (LibGuides, n.d.). The study probed participants' leadership approaches, educational backgrounds, access to opportunities, and professional development experiences.

Emotional Intelligence …

Culturally Specific Interventions And Indigenous Practices In Correctional And Forensic Settings: A Systematic Review, Jordyne James

Theses and Dissertations

While professional guidelines, legislation and research emphasize the importance of adapting treatment approaches to patient characteristics and culture (American Psychological Association [APA], 2021, 2019; Correctional Service of Canada [CSC], 2013; Canadian Psychological Association [CPA], 2017; Canadian Counseling and Psychotherapy Association [CCPA], 2021), psychological and forensic research and practice related to culturally specific programming lags behind expectations to meet the needs of ethnically diverse clients. Given the continued overrepresentation of minorities within forensic institutions (Aguiar, 2020; Carter & Forsyth, 2007; Hanser & Gomila, 2015; Leguizamo et al., 2018), this systematic review aimed to raise awareness of culturally-specific interventions and Indigenous practices …

Best Practices In Leadership In Probation, Ronamae Panganiban

Theses and Dissertations

Research indicates that leadership in law enforcement is a continuous learning process (Birzer et al., 2016; Davies & Heysmand, 2021; Niles et al., 2024; Roberts et al., 2016). Due to the complex structure and changing environment, leadership responsibilities fall upon multiple individuals in a chain of command (C. Davis, 2020; G. W. Garner, 2016; Sienkiewicz-Malyjurek, 2016). The research study aimed to identify best practices for leadership in law enforcement that leaders employ that make them successful. It used a phenomenological qualitative design and purposive sampling method to obtain a sample size of 15 participants. The study utilized a semi structured …

Intimate Partner Violence Against American Indian/Alaska Native Women, Jessica Sanchez-Cowan

Theses and Dissertations

Intimate partner violence is not a new problem. Many forms of intimate partner violence can be found worldwide, and evidence of its occurrences can be traced back as far as history goes. However, while intimate partner violence may have been recognized and treated as a private family matter in earlier years, current research shows that it is coming to the forefront as it becomes an increasing issue in the United States and its marginalized communities. With the victimization rate being much higher for American Indian/Alaska Natives in comparison to other races, addressing the issue of intimate partner violence should be …

A Study Of The Effect Of Incentives On Police Recruitment And Retention, Taylor R. Wiggins

Theses and Dissertations

This study examines factors contributing to the staffing crisis in police departments, focusing on officers' perceptions of their organizations. It explores their attitudes toward their departments, motivations for joining law enforcement, and reasons for remaining in their positions. Additionally, the research assesses the impact of various incentives on officer retention.

A total of 140 participants were surveyed, with 113 completing the survey in its entirety, ensuring reliable data analysis. Demographic findings revealed a predominantly male sample (85.8%), with most officers aged between 25 and 44. Analysis of the Minnesota Satisfaction Questionnaire (MSQ) indicated that intrinsic satisfaction (M = 3.85; range …

Examination Of The Influence Of A Standardized Law Enforcement Curriculum, Christopher E. Powell

Theses and Dissertations

This quantitative study examined the extent to which the standardized 2024 Criminal Justice Standards and Training Commission (CJSTC) Basic Law Enforcement recruit curriculum influenced the attitudes of 33 cadets at the Broward Police Academy concerning critical policing issues. Employing a pre- and post-survey design with a convenience sample, the research specifically assessed changes in cadets' preconceived notions regarding the appropriate use of force, the perceived dangerousness of individuals experiencing mental illness, and the necessity of police discretion in community interactions. The findings revealed statistically significant shifts in two key areas following academy training: cadets demonstrated a reduced perception that police …

Incarcerated Youth Returning To Society As Adults: An Examination Of Their Lived Experiences And Challenges, Kimberly R. Lawrance

Theses and Dissertations

When children have been incarcerated, they face collateral consequences that make it nearly impossible to recover from when they return home. Collateral consequences are the adverse effects experienced by incarcerated people and their families often causing restrictions or missed opportunities after interaction with the criminal justice system (Moise, Simonsen, & Kearl, 2023). Collateral consequences can be related to housing, employment, and education, to name a few. These lost opportunities are concerning for youth because most have never held a job or finished high school. Collateral consequences often set them up for failure leading to the revolving doors of jails and …

The Lived Experiences Of Project Rebound Students In California, Jeffrey R. Jacobs

Theses and Dissertations

As the United States attempts to address issues of prison overcrowding, recidivism, and rehabilitation, states like California have turned to higher education during and after incarceration to remedy the situation and promote successful community reentry among individuals who have served time in the nation’s prisons. People who are formerly incarcerated are often up against a myriad of obstacles once released, and programs like California State University’s Project Rebound aim to aid in this transition through a model rooted in community and campus care. Numerous bodies of research have explored the impacts of education on individuals who are actively incarcerated; however, …

Perceptions Of Maine Batterer Intervention Program Directors On Treatment Challenges, Jenna Ostrowski

Theses and Dissertations

Intimate partner violence (IPV), commonly known as domestic violence, is a widespread social issue that continues to impact many victims. To combat this problem, multiple funded resources target not only the victims’ needs, but also attempt to reduce recidivism rates for domestic violence offenders. Treatment programs for domestic violence offenders have been operational since the 1970s, with curricula directed toward changing power and control dynamics in intimate relationships. Growing research supports the idea that domestic violence offenders have more prevalent histories of childhood trauma and mental health issues, which may increase the risk of IPV perpetration. However, research also shows …

Law Enforcement And The Need For Mental Health Collaboration, Jacquline Gillins-Hatcher

Theses and Dissertations

This study examined the ongoing challenges and the necessity of enhanced collaboration between law enforcement agencies and mental health professionals in responding to mental health crises in the United States. Using a constructivist grounded theory approach, qualitative data were collected through semistructured interviews with law enforcement officers and mental health professionals, along with an analysis of existing records and policies.

Findings highlighted that crisis intervention team training improved officers’ ability to manage crisis situations. However, barriers such as limited interagency coordination, funding constraints, leadership challenges, and systemic policy gaps continued to hinder effective collaboration. Data from this research indicated that …

The Effect Of Teacher Efficacy On Career Technical Education Program Participation In Select Mississippi Schools, Lori Parkman Nail

Theses and Dissertations

The primary purpose of this study was to determine to what degree school staff understood the benefits and outcomes of Career Technical Education programs and how this level of understanding impacted Career Technical Education program enrollment in five selected schools in Mississippi. The levels of understanding keyed in on three pivotal factors. First, perceptions of the availability and accessibility of Career Technical Education programs to students in the participating schools were measured. Second, the perceptions of the benefits students reap from being involved in Career Technical Education programs were examined. Next, the perceptions of the benefits Career Technical Education programs …

The Lasting Psychological Effects Of Juvenile Arrests, Nadia Olivia Bortolin

Theses and Dissertations

This research investigated the enduring psychological consequences, specifically depression and anxiety, stemming from juvenile arrests and their influence on adulthood. Literature has demonstrated impacts on juvenile arrests from cultural, socioeconomic, family dynamics, and environmental elements. This study addresses a notable gap in understanding the long-term impact on mental health and employment. Research indicates a sensitivity to outcomes based on the age of arrest, with early adolescent arrests having profound effects on development and an increased likelihood of subsequent criminal activities. Developmental and risk factors, such as socioeconomic challenges and pubescent difficulties, contribute to persistent delinquent behaviors into adulthood. Some studies …

The Role Of Hope In Recovery From Sexual Assault For Hispanic Women, Esmeralda Rivera

Theses and Dissertations

Despite a growing amount of academic literature, there is a lack of research examining the levels of hope in Hispanic women recovering from sexual assault trauma. This quantitative survey investigates hope in Hispanic women healing from sexual assault trauma. The Miller Hope Scale (MHS) examines the variations and correlations between degrees of hope and demographic, personal, and self-advocacy factors. The research employs the Trauma Symptom Checklist—40 to investigate the correlation between levels of hope and trauma among women who have undergone sexual assault. Ninety-one Hispanic women from a crisis center in the U.S. were recruited for the study. Descriptive statistics, …

Impact Of Delphi-Developed Rubrics On Rater Consistency In 14 Cfr 141 Flight Training Assessment Environments, Lewis Robert James Archer

Theses and Dissertations

Pilot schools operating in accordance with 14 CFR 141 provide a substantial supply of pilots to the aviation industry. Recent high industry demand for pilots has created turnover among the flight instructor workforce, often considered an entry-level position used by aspiring aviators to build flight experience. This in turn means that check instructors, evaluators who are often selected from the more senior flight instructor population at a pilot school, are generally less experienced than in the past. Anecdotal evidence suggests that there is low consistency among these check instructors when conducting performance-based assessments. This study sought to determine the existing …

Outage Prediction And Detecting Influential Factors Under Extreme Weather Events Using Shap Analysis, Farishta Rahman

Theses and Dissertations

As electricity demands continue to grow and extreme weather events become more frequent, the need for resilient energy infrastructure is increasingly urgent. This thesis addresses three critical areas of power system resilience and monitoring. The first section of the thesis reviews the Texas power blackout in February 2021, which highlighted severe vulnerabilities in energy systems under extreme weather conditions. This analysis investigates the blackout event's causes, including generation capacity limitations and over-reliance on specific energy sources. The second section presents another weather event (ice storms) in North Dakota causing a multi-day blackout. Multiple machine learning approaches are deployed to predict …