Author

Kai Chen

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#machine learning Nov 2025

Beyond One-Size-Fits-All: Neural Networks for Differentially Private Tabular Data Synthesis

The proposed MargNet applies an adaptive marginal selection strategy and trains the neural networks to generate data that conforms to the selected marginals, achieving utility close to the best statistical method while offering an average 7$\times$ speedup over it.

Kai Chen, Chen Gong, Tian-Hao Wang · arXiv.org · 0 citations

#artificial intelligence Preprint Sep 2026

Differentially Private Paired Table-Image Multimodal Synthesis

DP-TabImage is proposed, a modality-specialized framework for private paired synthesis that achieves a strong balance among tabular fidelity, image fidelity, and cross-modal alignment and reveals that visual warm-up primarily improves marginal image fidelity, whereas aligned table-image warm-up is critical for improvin...

Kai Chen, Josephine Lamp, S. Jha et al. · 0 citations