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Deep learning models have achieved remarkable success in computer vision but remain vulnerable to adversarial attacks, particularly in black-box settings where model details are unknown. Existing adversarial attack methods(even those works…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Kimia haghjooei , Mansoor Rezghi

The adversarial attack methods based on gradient information can adequately find the perturbations, that is, the combinations of rewired links, thereby reducing the effectiveness of the deep learning model based graph embedding algorithms,…

社会与信息网络 · 计算机科学 2020-12-22 Jinyin Chen , Yixian Chen , Haibin Zheng , Shijing Shen , Shanqing Yu , Dan Zhang , Qi Xuan

Latent-factor models (LFM) based on collaborative filtering (CF), such as matrix factorization (MF) and deep CF methods, are widely used in modern recommender systems (RS) due to their excellent performance and recommendation accuracy.…

信息检索 · 计算机科学 2020-11-11 Yashar Deldjoo , Tommaso Di Noia , Felice Antonio Merra

We propose Generative Low-rank language model with Semantic Search (GLoSS), a generative recommendation framework that combines large language models with dense retrieval for sequential recommendation. Unlike prior methods such as GPT4Rec,…

信息检索 · 计算机科学 2025-06-11 Krishna Acharya , Aleksandr V. Petrov , Juba Ziani

Deep neural network (DNN) as a popular machine learning model is found to be vulnerable to adversarial attack. This attack constructs adversarial examples by adding small perturbations to the raw input, while appearing unmodified to human…

机器学习 · 计算机科学 2018-09-14 Pengcheng Li , Jinfeng Yi , Lijun Zhang

This study developed a generative adversarial network (GAN)-based defense method for traffic sign classification in an autonomous vehicle (AV), referred to as the attack-resilient GAN (AR-GAN). The novelty of the AR-GAN lies in (i) assuming…

计算机视觉与模式识别 · 计算机科学 2024-01-26 M Sabbir Salek , Abdullah Al Mamun , Mashrur Chowdhury

Deep generative models can learn to generate realistic-looking images, but many of the most effective methods are adversarial and involve a saddlepoint optimization, which requires a careful balancing of training between a generator network…

机器学习 · 统计学 2020-02-18 Akash Srivastava , Kai Xu , Michael U. Gutmann , Charles Sutton

While Goal-Conditioned Reinforcement Learning (GCRL) has gained attention, its algorithmic robustness against adversarial perturbations remains unexplored. The attacks and robust representation training methods that are designed for…

机器学习 · 计算机科学 2023-12-21 Xiangyu Yin , Sihao Wu , Jiaxu Liu , Meng Fang , Xingyu Zhao , Xiaowei Huang , Wenjie Ruan

Designing powerful adversarial attacks is of paramount importance for the evaluation of $\ell_p$-bounded adversarial defenses. Projected Gradient Descent (PGD) is one of the most effective and conceptually simple algorithms to generate such…

机器学习 · 计算机科学 2022-12-16 Nikolaos Antoniou , Efthymios Georgiou , Alexandros Potamianos

Few-shot text classification aims to classify the text under the few-shot scenario. Most of the previous methods adopt optimization-based meta learning to obtain task distribution. However, due to the neglect of matching between the few…

计算与语言 · 计算机科学 2023-07-31 Tianyi Lei , Honghui Hu , Qiaoyang Luo , Dezhong Peng , Xu Wang

Depending on how much information an adversary can access to, adversarial attacks can be classified as white-box attack and black-box attack. For white-box attack, optimization-based attack algorithms such as projected gradient descent…

机器学习 · 计算机科学 2019-09-17 Jinghui Chen , Dongruo Zhou , Jinfeng Yi , Quanquan Gu

Recent studies show that the deep neural networks (DNNs) have achieved great success in various tasks. However, even the \emph{state-of-the-art} deep learning based classifiers are extremely vulnerable to adversarial examples, resulting in…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Sen Pei , Jiaxi Sun , Xiaopeng Zhang , Gaofeng Meng

It is necessary to improve the performance of some special classes or to particularly protect them from attacks in adversarial learning. This paper proposes a framework combining cost-sensitive classification and adversarial learning…

机器学习 · 计算机科学 2022-06-24 Haojing Shen , Sihong Chen , Ran Wang , Xizhao Wang

Grant-free random access (GF-RA) is a promising access technique for massive machine-type communications (mMTC) in future wireless networks, particularly in the context of 5G and beyond (6G) systems. Within the context of GF-RA, this study…

信号处理 · 电气工程与系统科学 2025-09-30 Ali Elkeshawy , Haifa Fares , Amor Nafkha

This research provides a comprehensive overview of adversarial attacks on AI and ML models, exploring various attack types, techniques, and their potential harms. We also delve into the business implications, mitigation strategies, and…

Deep learning has revolutionized various fields, yet its efficacy is hindered by overfitting and the requirement of extensive annotated data, particularly in few-shot learning scenarios where limited samples are available. This paper…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Jiacheng Hu , Zhen Qi , Jianjun Wei , Jiajing Chen , Runyuan Bao , Xinyu Qiu

Automating arrhythmia detection from ECG requires a robust and trusted system that retains high accuracy under electrical disturbances. Many machine learning approaches have reached human-level performance in classifying arrhythmia from…

信号处理 · 电气工程与系统科学 2022-10-14 Khondker Fariha Hossain , Sharif Amit Kamran , Alireza Tavakkoli , Xingjun Ma

Adversarial prompts generated using gradient-based methods exhibit outstanding performance in performing automatic jailbreak attacks against safety-aligned LLMs. Nevertheless, due to the discrete nature of texts, the input gradient of LLMs…

密码学与安全 · 计算机科学 2024-11-04 Qizhang Li , Yiwen Guo , Wangmeng Zuo , Hao Chen

In this work, we propose an alternating low-rank decomposition (ALRD) approach and novel subspace algorithms for direction-of-arrival (DOA) estimation. In the ALRD scheme, the decomposition matrix for rank reduction is composed of a set of…

信息论 · 计算机科学 2016-04-18 Yunlong Cai , Linzheng Qiu , Rodrigo C. de Lamare , Minjian Zhao

We propose a quantum-assisted solution for the maximum likelihood detection (MLD) of generalized spatial modulation (GSM) signals. Specifically, the MLD of GSM is first formulated as a novel polynomial optimization problem, followed by the…

信号处理 · 电气工程与系统科学 2024-08-27 Kein Yukiyoshi , Taku Mikuriya , Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , Naoki Ishikawa