Papers › Generating Synthetic Functional Data for Privacy-Preserving GPS Trajectories
Generating Synthetic Functional Data for Privacy-Preserving GPS Trajectories
Arianna Burzacchi, Lise Bellanger, Klervi Le Gall, Aymeric Stamm, Simone Vantini
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This research presents FDASynthesis, a novel algorithm designed to generate synthetic GPS trajectory data while preserving privacy. After pre-processing the input GPS data, human mobility traces are modeled as multidimensional curves using Functional Data Analysis (FDA). Then, the synthesis process identifies the K-nearest trajectories and averages their Square-Root Velocity Functions (SRVFs) to generate synthetic data. This results in synthetic trajectories that maintain the utility of the original data while ensuring privacy. Although applied for human mobility research, FDASynthesis is highly adaptable to different types of functional data, offering a scalable solution in various application domains.
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