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Thierry Rakotoarivelo

4 accepted papers

2026

Enhancing DPSGD via Per-Sample Momentum and Low-Pass Filtering

AAAI 2026technical

Differentially Private Stochastic Gradient Descent (DPSGD) is widely used to train deep neural networks with formal privacy guarantees. However, the addition of differential privacy (DP) often degrades model accuracy by introducing both noise and bias. Existing techniques typically address only one

Cited by 0SourcePDFScholar
2023

PADDLES: Phase-Amplitude Spectrum Disentangled Early Stopping for Learning with Noisy Labels

ICCV 2023poster

Convolutional Neural Networks (CNNs) are powerful in learning patterns of different vision tasks, but they are sensitive to label noise and may overfit to noisy labels during training. The early stopping strategy averts updating CNNs during the early training phase and is widely employed in the pres…

Cited by 14PDFcodeScholar
2022

Enhancing Utility In The Watchdog Privacy Mechanism

ICASSP 2022accepted

This paper is concerned with enhancing data utility in the privacy watchdog method for attaining information-theoretic privacy. For a specific privacy constraint, the watchdog method filters out the high-risk data symbols through applying a uniform data regulation scheme, e.g., merging all high-risk…

Cited by 0SourceScholar
2018

Fairness in Multiterminal Data Compression: A Splitting Method for the Egalitarian Solution

ICASSP 2018accepted

This paper proposes a novel splitting (SPLIT) algorithm to achieve fairness in the multiterminal lossless data compression problem. It finds the egalitarian solution in the Slepian-Wolf region and completes in strongly polynomial time. We show that the SPLIT algorithm adaptively updates the source c…

Cited by 0SourceScholar