activity
20202023
most citedExploratory Analysis of Covid-19 Tweets using Topic Modeling, UMAP, and DiGraphs

62 citations · 74 across the 6 of their papers we have counts for

collaborators

7 papers

cs.CV2023

A Generative Approach for Image Registration of Visible-Thermal (VT) Cancer Faces

Catherine Ordun, Alexandra Cha, Edward Raff +4

Since thermal imagery offers a unique modality to investigate pain, the U.S. National Institutes of Health (NIH) has collected a large and diverse set of cancer patient facial ther…

cs.CV2023

Vista-Morph: Unsupervised Image Registration of Visible-Thermal Facial Pairs

Catherine Ordun, Edward Raff, Sanjay Purushotham

For a variety of biometric cross-spectral tasks, Visible-Thermal (VT) facial pairs are used. However, due to a lack of calibration in the lab, photographic capture between two diff…

cs.CV2023

When Visible-to-Thermal Facial GAN Beats Conditional Diffusion

Catherine Ordun, Edward Raff, Sanjay Purushotham

Thermal facial imagery offers valuable insight into physiological states such as inflammation and stress by detecting emitted radiation in the infrared spectrum, which is unseen in…

eess.IV2022★ 2 cited

Intelligent Sight and Sound: A Chronic Cancer Pain Dataset

Catherine Ordun, Alexandra N. Cha, Edward Raff +5

Cancer patients experience high rates of chronic pain throughout the treatment process. Assessing pain for this patient population is a vital component of psychological and functio…

cs.CV2021

Generating Thermal Human Faces for Physiological Assessment Using Thermal Sensor Auxiliary Labels

Catherine Ordun, Edward Raff, Sanjay Purushotham

Thermal images reveal medically important physiological information about human stress, signs of inflammation, and emotional mood that cannot be seen on visible images. Providing a…

cs.CV2020★ 10 cited

The Use of AI for Thermal Emotion Recognition: A Review of Problems and Limitations in Standard Design and Data

Catherine Ordun, Edward Raff, Sanjay Purushotham

With the increased attention on thermal imagery for Covid-19 screening, the public sector may believe there are new opportunities to exploit thermal as a modality for computer visi…

cs.SI2020★ 62 cited

Exploratory Analysis of Covid-19 Tweets using Topic Modeling, UMAP, and DiGraphs

Catherine Ordun, Sanjay Purushotham, Edward Raff

This paper illustrates five different techniques to assess the distinctiveness of topics, key terms and features, speed of information dissemination, and network behaviors for Covi…