collaborators

5 papers

eess.IV2026

Mammography Foundation Models for Opportunistic Prediction of Major Adverse Cardiovascular Events

Paula Feldman, Nusrat Binta Nizam, Sunwoo Kwak +3

Cardiovascular disease (CVD) remains the leading cause of death among women, yet cardiovascular risk assessment often relies on clinical variables that may be missing, outdated, or…

cs.CV2026

ShapKO: Shapley-Adaptive Modality Knockout for Robust Multimodal Learning

Nusrat Binta Nizam, Fengbei Liu, Sunwoo Kwak +3

Multimodal medical models often degrade when inputs are missing, a common scenario in real-world clinical workflows. Separately, even when all modalities are present, modality domi…

cs.LG2026

MAdam: Metric-Aware Multi-Objective Adam

Fengbei Liu, Rachit Saluja, Sunwoo Kwak +5

Multi-objective optimization (MOO) underlies many machine learning problems, yet MOO solvers across the loss-balancing, gradient-balancing, and Pareto-based families almost univers…

cs.CV2026

CXR-LT 2026 Challenge: Multi-Center Long-Tailed and Zero Shot Chest X-ray Classification

Hexin Dong, Yi Lin, Pengyu Zhou +25

Chest X-ray (CXR) interpretation is hindered by the long-tailed distribution of pathologies and the open-world nature of clinical environments. Existing benchmarks often rely on cl…

eess.IV2026

HyperCT: Low-Rank Hypernet for Unified Chest CT Analysis

Fengbei Liu, Sunwoo Kwak, Hao Phung +6

Non-contrast chest CTs offer a rich opportunity for both conventional pulmonary and opportunistic extra-pulmonary screening. While Multi-Task Learning (MTL) can unify these diverse…