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Recently, a backdoor data poisoning attack was proposed, which adds mislabeled examples to the training set, with an embedded backdoor pattern, aiming to have the classifier learn to classify to a target class whenever the backdoor pattern…

机器学习 · 计算机科学 2023-07-17 Zhen Xiang , David J. Miller , Hang Wang , George Kesidis

Interest in poisoning attacks and backdoors recently resurfaced for Deep Learning (DL) applications. Several successful defense mechanisms have been recently proposed for Convolutional Neural Networks (CNNs), for example in the context of…

密码学与安全 · 计算机科学 2020-04-07 Maximilian Bachl , Alexander Hartl , Joachim Fabini , Tanja Zseby

For the purpose of effective suppression of the cycle-skipping phenomenon in full waveform inversion (FWI), we developed a Deep Neural Network (DNN) approach to predict the absent low-frequency components by exploiting the implicit relation…

地球物理 · 物理学 2019-12-23 Wenyi Hu , Yuchen Jin , Xuqing Wu , Jiefu Chen

While Deep Neural Networks (DNNs) excel in many tasks, the huge training resources they require become an obstacle for practitioners to develop their own models. It has become common to collect data from the Internet or hire a third party…

机器学习 · 计算机科学 2022-03-15 Pengfei Xia , Hongjing Niu , Ziqiang Li , Bin Li

Face recognition systems are robust against environmental changes and noise, and thus may be vulnerable to illegal authentication attempts using user face photos, such as spoofing attacks. To prevent such spoofing attacks, it is crucial to…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Shota Iwamatsu , Koichi Ito , Takafumi Aoki

We propose a Universal Defence against backdoor attacks based on Clustering and Centroids Analysis (CCA-UD). The goal of the defence is to reveal whether a Deep Neural Network model is subject to a backdoor attack by inspecting the training…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Wei Guo , Benedetta Tondi , Mauro Barni

Deep neural networks (DNNs) have been widely and successfully adopted and deployed in various applications of speech recognition. Recently, a few works revealed that these models are vulnerable to backdoor attacks, where the adversaries can…

声音 · 计算机科学 2023-07-18 Hanbo Cai , Pengcheng Zhang , Hai Dong , Yan Xiao , Stefanos Koffas , Yiming Li

Backdoor attack is a powerful attack algorithm to deep learning model. Recently, GNN's vulnerability to backdoor attack has been proved especially on graph classification task. In this paper, we propose the first backdoor detection and…

人工智能 · 计算机科学 2022-09-08 Bingchen Jiang , Zhao Li

Dataset distillation (DD) enhances training efficiency and reduces bandwidth by condensing large datasets into smaller synthetic ones. It enables models to achieve performance comparable to those trained on the raw full dataset and has…

密码学与安全 · 计算机科学 2025-02-07 Ziyuan Yang , Ming Yan , Yi Zhang , Joey Tianyi Zhou

Deep neural networks (DNNs) are known vulnerable to backdoor attacks, a training time attack that injects a trigger pattern into a small proportion of training data so as to control the model's prediction at the test time. Backdoor attacks…

机器学习 · 计算机科学 2021-01-28 Yige Li , Xixiang Lyu , Nodens Koren , Lingjuan Lyu , Bo Li , Xingjun Ma

We study backdoor poisoning attacks against image classification networks, whereby an attacker inserts a trigger into a subset of the training data, in such a way that at test time, this trigger causes the classifier to predict some target…

密码学与安全 · 计算机科学 2022-02-03 Muhammad Usman , Youcheng Sun , Divya Gopinath , Corina S. Pasareanu

The paper presents an image denoising scheme by combining a method that is based on directional quasi-analytic wavelet packets (qWPs) with the state-of-the-art Weighted Nuclear Norm Minimization (WNNM) denoising algorithm. The qWP-based…

图像与视频处理 · 电气工程与系统科学 2023-05-10 Amir Averbuch , Pekka Neittaanmäki , Valery Zheludev , Moshe Salhov , Jonathan Hauser

Backdoors and poisoning attacks are a major threat to the security of machine-learning and vision systems. Often, however, these attacks leave visible artifacts in the images that can be visually detected and weaken the efficacy of the…

密码学与安全 · 计算机科学 2020-03-20 Erwin Quiring , Konrad Rieck

Deep learning models are well known to be susceptible to backdoor attack, where the attacker only needs to provide a tampered dataset on which the triggers are injected. Models trained on the dataset will passively implant the backdoor, and…

密码学与安全 · 计算机科学 2024-06-21 Zonghao Ying , Bin Wu

Natural language processing (NLP) models are known to be vulnerable to backdoor attacks, which poses a newly arisen threat to NLP models. Prior online backdoor defense methods for NLP models only focus on the anomalies at either the input…

计算与语言 · 计算机科学 2022-10-17 Sishuo Chen , Wenkai Yang , Zhiyuan Zhang , Xiaohan Bi , Xu Sun

The success of a deep neural network (DNN) heavily relies on the details of the training scheme; e.g., training data, architectures, hyper-parameters, etc. Recent backdoor attacks suggest that an adversary can take advantage of such…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Nazmul Karim , Abdullah Al Arafat , Umar Khalid , Zhishan Guo , Naznin Rahnavard

State-of-the-art deep neural networks (DNNs) have been proven to be vulnerable to adversarial manipulation and backdoor attacks. Backdoored models deviate from expected behavior on inputs with predefined triggers while retaining performance…

机器学习 · 计算机科学 2023-04-17 M. Caner Tol , Saad Islam , Andrew J. Adiletta , Berk Sunar , Ziming Zhang

Enhancing our understanding of adversarial examples is crucial for the secure application of machine learning models in real-world scenarios. A prevalent method for analyzing adversarial examples is through a frequency-based approach.…

机器学习 · 计算机科学 2024-04-17 Zhun Zhang , Yi Zeng , Qihe Liu , Shijie Zhou

Voice authentication systems remain susceptible to two major threats: backdoor triggered attacks and targeted data poisoning attacks. This dual vulnerability is critical because conventional solutions typically address each threat type…

密码学与安全 · 计算机科学 2025-05-07 Alireza Mohammadi , Keshav Sood , Dhananjay Thiruvady , Asef Nazari

Backdoor data poisoning attacks have recently been demonstrated in computer vision research as a potential safety risk for machine learning (ML) systems. Traditional data poisoning attacks manipulate training data to induce unreliability of…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Loc Truong , Chace Jones , Brian Hutchinson , Andrew August , Brenda Praggastis , Robert Jasper , Nicole Nichols , Aaron Tuor