Search Results for author: Hideaki Takahashi

Found 5 papers, 4 papers with code

On the Transit Obfuscation Problem

1 code implementation12 Feb 2024 Hideaki Takahashi, Alex Fukunaga

Concealing an intermediate point on a route or visible from a route is an important goal in some transportation and surveillance scenarios.

AIJack: Let's Hijack AI! Security and Privacy Risk Simulator for Machine Learning

1 code implementation29 Dec 2023 Hideaki Takahashi

This paper introduces AIJack, an open-source library designed to assess security and privacy risks associated with the training and deployment of machine learning models.

VFLAIR: A Research Library and Benchmark for Vertical Federated Learning

1 code implementation15 Oct 2023 Tianyuan Zou, Zixuan Gu, Yu He, Hideaki Takahashi, Yang Liu, Ya-Qin Zhang

Vertical Federated Learning (VFL) has emerged as a collaborative training paradigm that allows participants with different features of the same group of users to accomplish cooperative training without exposing their raw data or model parameters.

Vertical Federated Learning

Eliminating Label Leakage in Tree-Based Vertical Federated Learning

no code implementations19 Jul 2023 Hideaki Takahashi, Jingjing Liu, Yang Liu

To counteract label leakage from the instance space, we propose two effective defense mechanisms, Grafting-LDP, which improves the utility of label differential privacy with post-processing, and andID-LMID, which focuses on mutual information regularization.

Inference Attack Vertical Federated Learning

Breaching FedMD: Image Recovery via Paired-Logits Inversion Attack

1 code implementation CVPR 2023 Hideaki Takahashi, Jingjing Liu, Yang Liu

Federated Learning with Model Distillation (FedMD) is a nascent collaborative learning paradigm, where only output logits of public datasets are transmitted as distilled knowledge, instead of passing on private model parameters that are susceptible to gradient inversion attacks, a known privacy risk in federated learning.

Federated Learning

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