4 papers
Period-conscious Time-series Reconstruction under Local Differential Privacy
Yaxuan Wang, Tianxin Li, Enji Liang +2
Periodic patterns are fundamental cues in multimedia signals and systems, including repetitive motion in video (e.g., gait cycles), rhythmic and pitch-related structure in audio, a…
Private Speech Classification without Collapse: Stabilized DP Training and Offline Distillation
Yadi Wen, Tianxin Li, Enji Liang +2
We study example-level private supervised speech classification under a practical release constraint: training may access privileged side information, but the released model must b…
Dual Utilization of Perturbation for Stream Data Publication under Local Differential Privacy
Rong Du, Qingqing Ye, Yaxin Xiao +3
Stream data from real-time distributed systems such as IoT, tele-health, and crowdsourcing has become an important data source. However, the collection and analysis of user-generat…
Privacy for Free: Leveraging Local Differential Privacy Perturbed Data from Multiple Services
Rong Du, Qingqing Ye, Yue Fu +1
Local Differential Privacy (LDP) has emerged as a widely adopted privacy-preserving technique in modern data analytics, enabling users to share statistical insights while maintaini…