16 citations · 65 across the 18 of their papers we have counts for
23 papers
Enabling Real-Time AI in O-RAN: Deploying and Measuring AI Inside a Near-RT RIC xApp
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Sampath Jayarathna +7
Open Radio Access Network (O-RAN) architectures introduce programmable Near-Real-Time RAN Intelligent Controllers (Near-RT RICs) that support closed-loop control through xApps at t…
Field-Deployable RF Capture System for Indoor, Outdoor, and Foliage Environments
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Vikas Ashok +5
Reliable and reproducible radio-frequency (RF) measurements in real-world environments are essential for characterizing spectrum behavior across unlicensed ISM and WiFi bands, lice…
Touching and Feeling the Data: A Reusable Software Pipeline for Tactile Statistical Graphs in Accessible Education
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Jessica M. Johnson +4
Statistical visualization is usually treated as a visual medium, but data can also be touched. Three dimensional printed tactile graphs let blind and low vision students feel distr…
Quantifying the Affective Gap: A Zero-Shot Evaluation of LLMs on Fine-Grained Emotion Taxonomies
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Jessica M. Johnson +3
Emotion recognition in natural language is a foundational challenge in affective computing, with critical implications for human-computer interaction, mental health support, and co…
SentimentLens: Reconciling Sentiment and Ratings via Dual-Modality in the Hospitality Sector
Dineth Jayakody, Pasindu Thenahandi, Sampath Jayarathna
Online travel platforms generate vast volumes of user-generated hotel reviews, offering rich opportunities to understand traveler experiences at scale. However, transforming unstru…
Cognitive Prosthetic: An AI-Enabled Multimodal System for Episodic Recall in Knowledge Work
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Vikas Ashok +2
Modern knowledge workplaces increasingly strain human episodic memory as individuals navigate fragmented attention, overlapping meetings, and multimodal information streams. Existi…
Towards Affordable, Non-Invasive Real-Time Hypoglycemia Detection Using Wearable Sensor Signals
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Vikas Ashok +1
Accurately detecting hypoglycemia without invasive glucose sensors remains a critical challenge in diabetes management, particularly in regions where continuous glucose monitoring…
Toward Affordable and Non-Invasive Detection of Hypoglycemia: A Machine Learning Approach
Lawrence Obiuwevwi, Krzysztof J. Rechowicz, Vikas Ashok +1
Diabetes mellitus is a growing global health issue, with Type 1 Diabetes (T1D) requiring constant monitoring to avoid hypoglycemia. Although Continuous Glucose Monitors (CGMs) are…
Beyond Gaze Overlap: Analyzing Joint Visual Attention Dynamics Using Egocentric Data
Kumushini Thennakoon, Yasasi Abeysinghe, Bhanuka Mahanama +2
Joint visual attention (JVA) provides informative cues on human behavior during social interactions. The ubiquity of egocentric eye-trackers and large-scale datasets on everyday in…
Insights in Adaptation: Examining Self-reflection Strategies of Job Seekers with Visual Impairments in India
Akshay Nayak Kolgar, Yash Prakash, Sampath Jayarathna +2
Significant changes in the digital employment landscape, driven by rapid technological advancements and the COVID-19 pandemic, have introduced new opportunities for blind and visua…
Adapting Online Customer Reviews for Blind Users: A Case Study of Restaurant Reviews
Mohan Sunkara, Akshay Kolgar Nayak, Sandeep Kalari +4
Online reviews have become an integral aspect of consumer decision-making on e-commerce websites, especially in the restaurant industry. Unlike sighted users who can visually skim…
Advanced Gaze Analytics Dashboard
Gavindya Jayawardena, Vikas Ashok, Sampath Jayarathna
Eye movements can provide informative cues to understand human visual scan/search behavior and cognitive load during varying tasks. Visualizations of real-time gaze measures during…
A-DisETrac Advanced Analytic Dashboard for Distributed Eye Tracking
Yasasi Abeysinghe, Bhanuka Mahanama, Gavindya Jayawardena +5
Understanding how individuals focus and perform visual searches during collaborative tasks can help improve user engagement. Eye tracking measures provide informative cues for such…
Thinking in Groups: Permutation Tests Reveal Near-Out-of-Distribution
Yasith Jayawardana, Dineth Jayakody, Sampath Jayarathna +1
Deep neural networks (DNNs) have the potential to power many biomedical workflows, but training them on truly representative, IID datasets is often infeasible. Most models instead…
StreamingHub: Interactive Stream Analysis Workflows
Yasith Jayawardana, Vikas G. Ashok, Sampath Jayarathna
Reusable data/code and reproducible analyses are foundational to quality research. This aspect, however, is often overlooked when designing interactive stream analysis workflows fo…
Multidisciplinary Reading Patterns of Digital Documents
Bhanuka Mahanama, Gavindya Jayawardena, Yasasi Abeysinghe +2
Reading plays a vital role in updating the researchers on recent developments in the field, including but not limited to solutions to various problems and collaborative studies bet…
Modeling Updates of Scholarly Webpages Using Archived Data
Yasith Jayawardana, Alexander C. Nwala, Gavindya Jayawardena +4
The vastness of the web imposes a prohibitive cost on building large-scale search engines with limited resources. Crawl frontiers thus need to be optimized to improve the coverage…
Audiovisual Speech-In-Noise (SIN) Performance of Young Adults with ADHD
Gavindya Jayawardena, Anne M. P. Michalek, Andrew T. Duchowski +1
Adolescents with Attention-deficit/hyperactivity disorder (ADHD) have difficulty processing speech with background noise due to reduced inhibitory control and working memory capaci…
Gaze-Net: Appearance-Based Gaze Estimation using Capsule Networks
Bhanuka Mahanama, Yasith Jayawardana, Sampath Jayarathna
Recent studies on appearance based gaze estimation indicate the ability of Neural Networks to decode gaze information from facial images encompassing pose information. In this pape…
Electroencephalogram (EEG) for Delineating Objective Measure of Autism Spectrum Disorder (ASD) (Extended Version)
Yasith Jayawardana, Mark Jaime, Sashi Thapaliya +1
Autism Spectrum Disorder (ASD) is a developmental disorder that often impairs a child's normal development of the brain. According to CDC, it is estimated that 1 in 6 children in t…
Eye Gaze Metrics and Analysis of AOI for Indexing Working Memory towards Predicting ADHD
Gavindya Jayawardena, Anne Michalek, Sampath Jayarathna
ADHD is being recognized as a diagnosis which persists into adulthood impacting economic, occupational, and educational outcomes. There is an increased need to accurately diagnose…
DFS: A Dataset File System for Data Discovering Users
Yasith Jayawardana, Sampath Jayarathna
Many research questions can be answered quickly and efficiently using data already collected for previous research. This practice is called secondary data analysis (SDA), and has g…
Change Detection and Notification of Webpages: A Survey
Vijini Mallawaarachchi, Lakmal Meegahapola, Roshan Alwis +3
Majority of the currently available webpages are dynamic in nature and are changing frequently. New content gets added to webpages and existing content gets updated or deleted. Hen…