Synthesize Privacy-Preserving High-Resolution Images via Private Text Mediators

Haoxiang Wang
Zinan Lin
Da Yu
Huishuai Zhang
2025

Abstract

A new framework for generating high-resolution, differentially private (DP) synthetic images. The method summarizes each private image using image-to-text models, applies a modified Private Evolution algorithm to generate DP text, and then reconstructs images via text-to-image models.
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