Olives dataset: Ophthalmic labels for investigating visual eye semantics

M Prabhushankar, K Kokilepersaud… - Advances in …, 2022 - proceedings.neurips.cc
Clinical diagnosis of the eye is performed over multifarious data modalities including scalar
clinical labels, vectorized biomarkers, two-dimensional fundus images, and three …

How useful are gradients for ood detection really?

C Igoe, Y Chung, I Char, J Schneider - arXiv preprint arXiv:2205.10439, 2022 - arxiv.org
One critical challenge in deploying highly performant machine learning models in real-life
applications is out of distribution (OOD) detection. Given a predictive model which is …

VOICE: Variance of Induced Contrastive Explanations to quantify Uncertainty in Neural Network Interpretability

M Prabhushankar, G AlRegib - IEEE Journal of Selected Topics …, 2024 - ieeexplore.ieee.org
In this paper, we visualize and quantify the predictive uncertainty of gradient-based post hoc
visual explanations for neural networks. Predictive uncertainty refers to the variability in the …

ConPro: Learning Severity Representation for Medical Images using Contrastive Learning and Preference Optimization

H Nguyen, H Nguyen, M Chang… - Proceedings of the …, 2024 - openaccess.thecvf.com
Understanding the severity of conditions shown in images in medical diagnosis is crucial
serving as a key guide for clinical assessment treatment as well as evaluating longitudinal …

Clinical trial active learning

Z Fowler, KP Kokilepersaud, M Prabhushankar… - Proceedings of the 14th …, 2023 - dl.acm.org
This paper presents a novel approach to active learning that takes into account the non-
independent and identically distributed (non-iid) structure of a clinical trial setting. There …

Decal: Deployable clinical active learning

Y Logan, M Prabhushankar, G AlRegib - arXiv preprint arXiv:2206.10120, 2022 - arxiv.org
Conventional machine learning systems that operate on natural images assume the
presence of attributes within the images that lead to some decision. However, decisions in …

Exploiting the distortion-semantic interaction in fisheye data

K Kokilepersaud, M Prabhushankar… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
In this work, we present a methodology to shape a fisheye-specific representation space that
reflects the interaction between distortion and semantic context present in this data modality …

Counterfactual Gradients-based Quantification of Prediction Trust in Neural Networks

M Prabhushankar, G AlRegib - arXiv preprint arXiv:2405.13758, 2024 - arxiv.org
The widespread adoption of deep neural networks in machine learning calls for an objective
quantification of esoteric trust. In this paper we propose GradTrust, a classification trust …