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Wei Luo

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#machine learning Preprint Sep 2026

Robustness of Diffusion Models under Distribution Shift

This work studies robust score estimation under Wasserstein perturbations of a reference distribution of Ornstein--Uhlenbeck diffusion and characterize how finite data, intrinsic dimension, and distribution shift affect the robustness of score-based diffusion models.

Wei Luo, N. K. Chada, Shi-Jie Zhang et al. · 0 citations
#machine learning Review Sep 2026

A Survey on Self-Improving Test-Time Intelligence: Feedback-Driven Adapting, Learning, and Scaling at Inference

The ability of AI systems to improve their behavior during deployment is becoming increasingly important. As inference moves beyond the static execution of a fixed trained model, a growing body of work studies how models can refine their behavior on the fly by exploiting test-time information and additional computation...

Shuai-Cheng Niu, Guo-Hao Chen, Yaofo Chen et al. · 2 citations

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