Selected work

Publications

A record of published and accepted work, followed by current manuscripts and research directions.

Published Work

Published · 2026-07-05

Fairness in federated medical imaging: a systematic review through the dual fairness lens

Pengyang Yu, Zhongping Dong, Sahraoui Dhelim, Chun-Mei Feng, and M. Tahar Kechadi.

Artificial Intelligence Review · 2026-07-05 · Journal article

A systematic review that studies collaboration fairness across institutions and group fairness across patient populations as two connected dimensions of fairness in federated medical imaging.

Published · 2025-12-25

MedLiteNet: Lightweight Hybrid Medical Image Segmentation Model for the Medical Internet of Things (MIoT)

Pengyang Yu, Haoquan Wang, Gerard Marks, Tahar Kechadi, Laurence T. Yang, Sahraoui Dhelim, and Nyothiri Aung.

IEEE Journal of Selected Areas in Sensors · 2026 · Journal article · Publication date: 2025-12-25

A lightweight hybrid CNN–Transformer model for medical image segmentation, representing my earlier work in efficient and deployable medical AI.

Current Work

In progress

HD-Cal: Few-Shot Reliability Estimation for Cross-Domain Hallucination Heterogeneity in Chest X-Ray Vision-Language Models

Medical vision-language models · reliability audit · cross-domain evaluation

A deployment-oriented reliability audit that examines how hallucination and error behaviour varies across chest X-ray domains and findings, and estimates localized reliability with few-shot target-domain information.

Planned direction

Context-adjusted fair deferral

Reliability–fairness bridge · future method work

A future direction for separating finding difficulty from demographic under-service, so that deployment-time deferral can respond to genuine unreliability without shifting burden unfairly across groups.