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Author

Yuxiang Cai

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Preprint Aug 2026

MedPixel: A Unified Pixel-Language Model for Medical Reasoning and Segmentation

This work presents MedPixel, a unified medical pixel-language model built around a shared language--mask interface that achieves strong performance in both pixel-level prediction and response generation, together with effective zero-shot transfer to external grounding benchmarks and robustness to imperfect spatial prom...

Haoyu Yang, Meixing Shi, Zeng-Jie Chen et al. · 0 citations
Review Jul 2026

Federated Learning Meets Test-Time Adaptation: Methods, Challenges, and Future Directions

A comprehensive survey of FedTTA is provided, formalizing its problem setting and establishing a unified taxonomy encompassing three paradigms: i) Federated Initialization and Test Fine-tuning, where the global model serves as a robust prior for local refinement; ii) Federated Shared Backbone and Test Personalized Adap...

Chen Zhang, Ge Su, Huaxia Zhou et al. · 0 citations

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