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Adversarial images pose a severe security threat to multimodal large language models through prompt injection. Existing defenses largely lack a principled understanding of the underlying mechanisms and struggle to balance efficiency and…

机器学习 · 计算机科学 2026-05-26 Dongpeng Zhang , Ke Ma , Yangbangyan Jiang , Gaozheng Pei , Longtao Huang , Qianqian Xu , Qingming Huang

Training deep neural networks on images represented as grids of pixels has brought to light an interesting phenomenon known as adversarial examples. Inspired by how humans reconstruct abstract concepts, we attempt to codify the input bitmap…

计算机视觉与模式识别 · 计算机科学 2018-04-24 Vishaal Munusamy Kabilan , Brandon Morris , Anh Nguyen

Malicious intelligent algorithms greatly threaten the security of social users' privacy by detecting and analyzing the uploaded photos to social network platforms. The destruction to DNNs brought by the adversarial attack sparks the…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Jiawei Zhang , Jinwei Wang , Hao Wang , Xiangyang Luo

Recent research has found that many families of machine learning models are vulnerable to adversarial examples: inputs that are specifically designed to cause the target model to produce erroneous outputs. In this survey, we focus on…

机器学习 · 计算机科学 2019-11-19 Rey Reza Wiyatno , Anqi Xu , Ousmane Dia , Archy de Berker

Endeavors in indoor robotic navigation rely on the accuracy of segmentation models to identify free space in RGB images. However, deep learning models are vulnerable to adversarial attacks, posing a significant challenge to their real-world…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Qiyuan An , Christos Sevastopoulos , Fillia Makedon

An adversarial example is a modified input image designed to cause a Machine Learning (ML) model to make a mistake; these perturbations are often invisible or subtle to human observers and highlight vulnerabilities in a model's ability to…

密码学与安全 · 计算机科学 2024-11-04 Ehsan Ganjidoost , Jeff Orchard

We consider the problem of obfuscating sensitive information while preserving utility, and we propose a machine learning approach inspired by the generative adversarial networks paradigm. The idea is to set up two nets: the generator, that…

机器学习 · 计算机科学 2020-10-27 Marco Romanelli , Konstantinos Chatzikokolakis , Catuscia Palamidessi

Differentially private stochastic gradient descent (DP-SGD) is the canonical approach to private deep learning. While the current privacy analysis of DP-SGD is known to be tight in some settings, several empirical results suggest that…

机器学习 · 计算机科学 2024-07-17 Anvith Thudi , Hengrui Jia , Casey Meehan , Ilia Shumailov , Nicolas Papernot

The advent of location-based services has led to the widespread adoption of indoor localization systems, which enable location tracking of individuals within enclosed spaces such as buildings. While these systems provide numerous benefits…

密码学与安全 · 计算机科学 2025-04-15 Vahideh Moghtadaiee , Mina Alishahi , Milad Rabiei

With the rapid development of Deep Neural Networks (DNNs), they have been applied in numerous fields. However, research indicates that DNNs are susceptible to adversarial examples, and this is equally true in the multi-label domain. To…

人工智能 · 计算机科学 2024-09-27 Yujiang Liu , Wenjian Luo , Zhijian Chen , Muhammad Luqman Naseem

Generating and eliminating adversarial examples has been an intriguing topic in the field of deep learning. While previous research verified that adversarial attacks are often fragile and can be defended via image-level processing, it…

机器学习 · 计算机科学 2019-06-27 Yifeng Li , Lingxi Xie , Ya Zhang , Rui Zhang , Yanfeng Wang , Qi Tian

Many deep neural networks are susceptible to minute perturbations of images that have been carefully crafted to cause misclassification. Ideally, a robust classifier would be immune to small variations in input images, and a number of…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Eashan Adhikarla , Dan Luo , Brian D. Davison

While modern machine learning models rely on increasingly large training datasets, data is often limited in privacy-sensitive domains. Generative models trained with differential privacy (DP) on sensitive data can sidestep this challenge,…

机器学习 · 统计学 2024-01-02 Tim Dockhorn , Tianshi Cao , Arash Vahdat , Karsten Kreis

We present a framework to learn privacy-preserving encodings of images that inhibit inference of chosen private attributes, while allowing recovery of other desirable information. Rather than simply inhibiting a given fixed pre-trained…

机器学习 · 计算机科学 2018-12-06 Francesco Pittaluga , Sanjeev J. Koppal , Ayan Chakrabarti

Detecting adversarial examples currently stands as one of the biggest challenges in the field of deep learning. Adversarial attacks, which produce adversarial examples, increase the prediction likelihood of a target class for a particular…

机器学习 · 计算机科学 2019-07-31 Utku Ozbulak , Arnout Van Messem , Wesley De Neve

Despite the efficiency and scalability of machine learning systems, recent studies have demonstrated that many classification methods, especially deep neural networks (DNNs), are vulnerable to adversarial examples; i.e., examples that are…

密码学与安全 · 计算机科学 2021-11-22 Yao Li , Minhao Cheng , Cho-Jui Hsieh , Thomas C. M. Lee

While machine learning (ML) has made tremendous progress during the past decade, recent research has shown that ML models are vulnerable to various security and privacy attacks. So far, most of the attacks in this field focus on…

密码学与安全 · 计算机科学 2021-11-16 Junhao Zhou , Yufei Chen , Chao Shen , Yang Zhang

Differential privacy (DP) provides a formal privacy guarantee that prevents adversaries with access to machine learning models from extracting information about individual training points. Differentially private stochastic gradient descent…

密码学与安全 · 计算机科学 2022-12-15 Jie Fu , Zhili Chen , XinPeng Ling

RGB-D object recognition systems improve their predictive performances by fusing color and depth information, outperforming neural network architectures that rely solely on colors. While RGB-D systems are expected to be more robust to…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Yang Zheng , Luca Demetrio , Antonio Emanuele Cinà , Xiaoyi Feng , Zhaoqiang Xia , Xiaoyue Jiang , Ambra Demontis , Battista Biggio , Fabio Roli

Adversarial examples reveal the vulnerability and unexplained nature of neural networks. Studying the defense of adversarial examples is of considerable practical importance. Most adversarial examples that misclassify networks are often…

计算机视觉与模式识别 · 计算机科学 2021-12-23 Wanting Yu , Hongyi Yu , Lingyun Jiang , Mengli Zhang , Kai Qiao