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Graph Convolutional Networks (GCNs) have shown excellent performance in dealing with various graph structures such as node classification, graph classification and other tasks. However,recent studies have shown that GCNs are vulnerable to a…

人工智能 · 计算机科学 2024-04-22 Jiazhu Dai , Haoyu Sun

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where adversaries embed a hidden backdoor trigger during the training process for malicious prediction manipulation. These attacks pose great threats to the applications of…

密码学与安全 · 计算机科学 2023-02-21 Junfeng Guo , Yiming Li , Xun Chen , Hanqing Guo , Lichao Sun , Cong Liu

The widespread adoption of deep learning across various industries has introduced substantial challenges, particularly in terms of model explainability and security. The inherent complexity of deep learning models, while contributing to…

密码学与安全 · 计算机科学 2025-01-08 Kealan Dunnett , Reza Arablouei , Dimity Miller , Volkan Dedeoglu , Raja Jurdak

Contrastive Language-Image Pretraining (CLIP) models excel at understanding image-text relationships but struggle with adapting to new data without forgetting prior knowledge. To address this, models are typically fine-tuned using both new…

机器学习 · 计算机科学 2026-05-06 Ryan King , Gang Li , Bobak Mortazavi , Tianbao Yang

Although Deep Neural Network (DNN) has led to unprecedented progress in various natural language processing (NLP) tasks, research shows that deep models are extremely vulnerable to backdoor attacks. The existing backdoor attacks mainly…

密码学与安全 · 计算机科学 2022-06-07 Xiaoyi Chen , Yinpeng Dong , Zeyu Sun , Shengfang Zhai , Qingni Shen , Zhonghai Wu

Backdoor attacks pose a significant security risk to graph learning models. Backdoors can be embedded into the target model by inserting backdoor triggers into the training dataset, causing the model to make incorrect predictions when the…

密码学与安全 · 计算机科学 2023-08-09 Zihan Guan , Mengnan Du , Ninghao Liu

In recent years, many forensic detectors have been proposed to detect AI-generated images and prevent their use for malicious purposes. Convolutional neural networks (CNNs) have long been the dominant architecture in this field and have…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Vincenzo De Rosa , Fabrizio Guillaro , Giovanni Poggi , Davide Cozzolino , Luisa Verdoliva

Graph Prompt Learning (GPL) bridges significant disparities between pretraining and downstream applications to alleviate the knowledge transfer bottleneck in real-world graph learning. While GPL offers superior effectiveness in graph…

机器学习 · 计算机科学 2024-05-29 Xiaoting Lyu , Yufei Han , Wei Wang , Hangwei Qian , Ivor Tsang , Xiangliang Zhang

Deep neural networks are vulnerable to backdoor attacks (Trojans), where an attacker poisons the training set with backdoor triggers so that the neural network learns to classify test-time triggers to the attacker's designated target class.…

机器学习 · 计算机科学 2023-08-10 Hang Wang , Zhen Xiang , David J. Miller , George Kesidis

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

Prompts have significantly improved the performance of pretrained Large Language Models (LLMs) on various downstream tasks recently, making them increasingly indispensable for a diverse range of LLM application scenarios. However, the…

计算与语言 · 计算机科学 2023-12-19 Hongwei Yao , Jian Lou , Zhan Qin

Existing computer vision research in artwork struggles with artwork's fine-grained attributes recognition and lack of curated annotated datasets due to their costly creation. To the best of our knowledge, we are one of the first methods to…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Marcos V. Conde , Kerem Turgutlu

Contrastive learning has emerged as a transformative method for learning effective visual representations through the alignment of image and text embeddings. However, pairwise similarity computation in contrastive loss between image and…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Sachin Mehta , Maxwell Horton , Fartash Faghri , Mohammad Hossein Sekhavat , Mahyar Najibi , Mehrdad Farajtabar , Oncel Tuzel , Mohammad Rastegari

Backdoor attacks have severely threatened deep neural network (DNN) models in the past several years. These attacks can occur in almost every stage of the deep learning pipeline. Although the attacked model behaves normally on benign…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Yangming Chen

Contrastive Learning (CL) has attracted enormous attention due to its remarkable capability in unsupervised representation learning. However, recent works have revealed the vulnerability of CL to backdoor attacks: the feature extractor…

密码学与安全 · 计算机科学 2024-04-12 Weiyu Sun , Xinyu Zhang , Hao Lu , Yingcong Chen , Ting Wang , Jinghui Chen , Lu Lin

Code Language Models (CLMs), particularly those leveraging deep learning, have achieved significant success in code intelligence domain. However, the issue of security, particularly backdoor attacks, is often overlooked in this process. The…

密码学与安全 · 计算机科学 2025-05-20 Guang Yang , Yu Zhou , Xiang Chen , Xiangyu Zhang , Terry Yue Zhuo , David Lo , Taolue Chen

Due to its powerful feature learning capability and high efficiency, deep hashing has achieved great success in large-scale image retrieval. Meanwhile, extensive works have demonstrated that deep neural networks (DNNs) are susceptible to…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Shengshan Hu , Ziqi Zhou , Yechao Zhang , Leo Yu Zhang , Yifeng Zheng , Yuanyuan HE , Hai Jin

Backdoor attacks pose a serious security threat for training neural networks as they surreptitiously introduce hidden functionalities into a model. Such backdoors remain silent during inference on clean inputs, evading detection due to…

密码学与安全 · 计算机科学 2023-12-15 Lukas Struppek , Martin B. Hentschel , Clifton Poth , Dominik Hintersdorf , Kristian Kersting

The prompt-based learning paradigm has gained much research attention recently. It has achieved state-of-the-art performance on several NLP tasks, especially in the few-shot scenarios. While steering the downstream tasks, few works have…

计算与语言 · 计算机科学 2022-11-29 Xiangrui Cai , Haidong Xu , Sihan Xu , Ying Zhang , Xiaojie Yuan

Pre-trained language models have achieved remarkable success across a wide range of natural language processing (NLP) tasks, particularly when fine-tuned on large, domain-relevant datasets. However, they remain vulnerable to backdoor…

计算与语言 · 计算机科学 2026-02-02 Anindya Sundar Das , Kangjie Chen , Monowar Bhuyan