Arnaud Legendre
2 papers · Latest:
Artificial Intelligence
diffGHOST: Diffusion based Generative Hedged Oblivious Synthetic Trajectories
diffGHOST is a diffusion model that generates privacy-preserving synthetic mobility trajectories by mitigating memorization in a segmented latent space.
2605.10647
Artificial IntelligenceA Dual Perspective on Synthetic Trajectory Generators: Utility Framework and Privacy Vulnerabilities
This paper introduces a new utility evaluation framework for synthetic trajectory generators and reveals privacy vulnerabilities through a novel membership inference attack.
2604.19653
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