Author

Hao-Xuan Zeng

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Preprint Aug 2026

VOICE: A Vision-Omics Foundation Model Integrating Direct and Retrieval-Based Prediction of In-situ Single-Cell Gene Expression

Spatial transcriptomics can resolve gene expression at single-cell resolution, but it is costly, limited to targeted panels of a few hundred to a few thousand genes, and applicable to only a small number of samples. H&E imaging, by contrast, is cheap and collected routinely at scale. This makes predicting single-cell e...

Xin Luo, Yicheng Tao, Hao-Xuan Zeng et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Witeness Overlap: Directional Provenance Inside Open-Weight Model Families

Witness Overlap is proposed, a prompt-free, training-free white-box test for directional provenance, and on 176 LLM checkpoints from 16 families, the one-witness test orients 95.3\% of parent-child decisions using Frobenius cosine.

Si-Yuan Li, Hao-Xuan Zeng, Xin Luo et al. · 0 citations