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Recently, a novel form of audio partial forgery has posed challenges to its forensics, requiring advanced countermeasures to detect subtle forgery manipulations within long-duration audio. However, existing countermeasures still serve a…

多媒体 · 计算机科学 2024-07-24 Junyan Wu , Wei Lu , Xiangyang Luo , Rui Yang , Qian Wang , Xiaochun Cao

The vulnerability of deep neural networks (DNNs) to adversarial examples has attracted more attention. Many algorithms have been proposed to craft powerful adversarial examples. However, most of these algorithms modified the global or local…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Yaguan Qian , Jiamin Wang , Bin Wang , Shaoning Zeng , Zhaoquan Gu , Shouling Ji , Wassim Swaileh

In communication systems, there are many tasks, like modulation recognition, which rely on Deep Neural Networks (DNNs) models. However, these models have been shown to be susceptible to adversarial perturbations, namely imperceptible…

信号处理 · 电气工程与系统科学 2021-05-31 Javier Maroto , Gérôme Bovet , Pascal Frossard

Machine learning based malware detection techniques rely on grayscale images of malware and tends to classify malware based on the distribution of textures in graycale images. Albeit the advancement and promising results shown by machine…

密码学与安全 · 计算机科学 2022-08-05 Sanket Shukla

Advances in automatic speaker verification (ASV) promote research into the formulation of spoofing detection systems for real-world applications. The performance of ASV systems can be degraded severely by multiple types of spoofing attacks,…

声音 · 计算机科学 2024-08-27 Zhenyu Wang , John H. L. Hansen

Ensuring the reliability of face recognition systems against presentation attacks necessitates the deployment of face anti-spoofing techniques. Despite considerable advancements in this domain, the ability of even the most state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Jiawei Chen , Xiao Yang , Heng Yin , Mingzhi Ma , Bihui Chen , Jianteng Peng , Yandong Guo , Zhaoxia Yin , Hang Su

In this paper, we propose novel generative models for creating adversarial examples, slightly perturbed images resembling natural images but maliciously crafted to fool pre-trained models. We present trainable deep neural networks for…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Omid Poursaeed , Isay Katsman , Bicheng Gao , Serge Belongie

Rapid LLM advancements heighten fake news risks by enabling the automatic generation of increasingly sophisticated misinformation. Previous detection methods, including fine-tuned small models or LLM-based detectors, often struggle with its…

计算与语言 · 计算机科学 2025-08-28 Chong Tian , Qirong Ho , Xiuying Chen

Previous robustness approaches for deep learning models such as data augmentation techniques via data transformation or adversarial training cannot capture real-world variations that preserve the semantics of the input, such as a change in…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Shuo Wang , Lingjuan Lyu , Surya Nepal , Carsten Rudolph , Marthie Grobler , Kristen Moore

Automatic modulation classification (AMC) using the Deep Neural Network (DNN) approach outperforms the traditional classification techniques, even in the presence of challenging wireless channel environments. However, the adversarial…

机器学习 · 计算机科学 2022-06-01 Eyad Shtaiwi , Ahmed El Ouadrhiri , Majid Moradikia , Salma Sultana , Ahmed Abdelhadi , Zhu Han

Face forgery detection is essential in combating malicious digital face attacks. Previous methods mainly rely on prior expert knowledge to capture specific forgery clues, such as noise patterns, blending boundaries, and frequency artifacts.…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Anwei Luo , Chenqi Kong , Jiwu Huang , Yongjian Hu , Xiangui Kang , Alex C. Kot

High-resolution magnetic resonance images can provide fine-grained anatomical information, but acquiring such data requires a long scanning time. In this paper, a framework called the Fused Attentive Generative Adversarial Networks(FA-GAN)…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Mingfeng Jiang , Minghao Zhi , Liying Wei , Xiaocheng Yang , Jucheng Zhang , Yongming Li , Pin Wang , Jiahao Huang , Guang Yang

With the rapid development of face recognition (FR) systems, the privacy of face images on social media is facing severe challenges due to the abuse of unauthorized FR systems. Some studies utilize adversarial attack techniques to defend…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Yuhao Sun , Lingyun Yu , Hongtao Xie , Jiaming Li , Yongdong Zhang

Deep learning based image classification models are shown vulnerable to adversarial attacks by injecting deliberately crafted noises to clean images. To defend against adversarial attacks in a training-free and attack-agnostic manner, this…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Li Ding , Yongwei Wang , Xin Ding , Kaiwen Yuan , Ping Wang , Hua Huang , Z. Jane Wang

Few-shot fine-grained recognition (FS-FGR) aims to recognize novel fine-grained categories with the help of limited available samples. Undoubtedly, this task inherits the main challenges from both few-shot learning and fine-grained…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Zican Zha , Hao Tang , Yunlian Sun , Jinhui Tang

Deepfake represents a category of face-swapping attacks that leverage machine learning models such as autoencoders or generative adversarial networks. Although the concept of the face-swapping is not new, its recent technical advances make…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Chaofei Yang , Lei Ding , Yiran Chen , Hai Li

Recent studies have shown that Convolutional Neural Networks (CNNs) are vulnerable to a small perturbation of input called "adversarial examples". In this work, we propose a new feedforward CNN that improves robustness in the presence of…

机器学习 · 计算机科学 2016-02-26 Jonghoon Jin , Aysegul Dundar , Eugenio Culurciello

Adversarial attacks have long been developed for revealing the vulnerability of Deep Neural Networks (DNNs) by adding imperceptible perturbations to the input. Most methods generate perturbations like normal noise, which is not…

机器学习 · 计算机科学 2020-10-23 Zhixing Ye , Sizhe Chen , Peidong Zhang , Chengjin Sun , Xiaolin Huang

Continual learning focuses on learning non-stationary data distribution without forgetting previous knowledge. Rehearsal-based approaches are commonly used to combat catastrophic forgetting. However, these approaches suffer from a problem…

机器学习 · 计算机科学 2024-05-21 Hikmat Khan , Ghulam Rasool , Nidhal Carla Bouaynaya

Large Language Models (LLMs) are increasingly embedded in autonomous systems and public-facing environments, yet they remain susceptible to jailbreak vulnerabilities that may undermine their security and trustworthiness. Adversarial…

机器学习 · 计算机科学 2025-05-15 David Khachaturov , Robert Mullins