Author

Fabio De Sousa Ribeiro

2 papers indexed here

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Preprint Aug 2026

Subgroup performance analysis of adaptation strategies for chest X-ray foundation models

Foundation models are increasingly adapted for downstream medical imaging tasks, yet the influence of the chosen adaptation strategy on subgroup fairness remains poorly understood. We investigate how three parameter-efficient adaptation techniques, including linear heads on the raw CLS token, an MLP, and an attention-p...

Dhruv Gupta, Emma A. M. Stanley, Fabio De Sousa Ribeiro et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Latent-to-Latent Flow for Volumetric Stochastic Segmentation

This work introduces a latent-to-latent flow technique for stochastic segmentation of medical volumes via encoded representations of both the image and label space, improving efficiency up to 14x compared with full resolution models while maintaining clinically relevant performance.

Omar Todd, Sooha Kim, Raghav Mehta et al. · 0 citations