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DeepFake face swapping presents a significant threat to online security and social media, which can replace the source face in an arbitrary photo/video with the target face of an entirely different person. In order to prevent this fraud,…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Junhao Dong , Yuan Wang , Jianhuang Lai , Xiaohua Xie

Machine learning systems based on deep neural networks, being able to produce state-of-the-art results on various perception tasks, have gained mainstream adoption in many applications. However, they are shown to be vulnerable to…

机器学习 · 计算机科学 2018-01-16 Bo Luo , Yannan Liu , Lingxiao Wei , Qiang Xu

Current adversarial attack research reveals the vulnerability of learning-based classifiers against carefully crafted perturbations. However, most existing attack methods have inherent limitations in cross-dataset generalization as they…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Cheng Luo , Qinliang Lin , Weicheng Xie , Bizhu Wu , Jinheng Xie , Linlin Shen

Anomaly detection has become an indispensable tool for modern society, applied in a wide range of applications, from detecting fraudulent transactions to malignant brain tumours. Over time, many anomaly detection techniques have been…

机器学习 · 计算机科学 2021-10-26 Mikael Sabuhi , Ming Zhou , Cor-Paul Bezemer , Petr Musilek

Generating adversarial examples is the art of creating a noise that is added to an input signal of a classifying neural network, and thus changing the network's classification, while keeping the noise as tenuous as possible. While the…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Roee Ben-Shlomo , Yevgeniy Men , Ido Imanuel

Neural networks perform exceedingly well across various machine learning tasks but are not immune to adversarial perturbations. This vulnerability has implications for real-world applications. While much research has been conducted, the…

机器学习 · 计算机科学 2023-10-02 Dennis Y. Menn , Tzu-hsun Feng , Sriram Vishwanath , Hung-yi Lee

Whilst face recognition applications are becoming increasingly prevalent within our daily lives, leading approaches in the field still suffer from performance bias to the detriment of some racial profiles within society. In this study, we…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Seyma Yucer , Samet Akçay , Noura Al-Moubayed , Toby P. Breckon

GAN-based techniques that generate and synthesize realistic faces have caused severe social concerns and security problems. Existing methods for detecting GAN-generated faces can perform well on limited public datasets. However, images from…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Hui Guo , Shu Hu , Xin Wang , Ming-Ching Chang , Siwei Lyu

In this paper, we design and evaluate a convolutional autoencoder that perturbs an input face image to impart privacy to a subject. Specifically, the proposed autoencoder transforms an input face image such that the transformed image can be…

计算机视觉与模式识别 · 计算机科学 2018-05-04 Vahid Mirjalili , Sebastian Raschka , Anoop Namboodiri , Arun Ross

In this paper we investigate the feasibility of using synthetic data to augment face datasets. In particular, we propose a novel generative adversarial network (GAN) that can disentangle identity-related attributes from non-identity-related…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

Recently, automatic speaker verification (ASV) based on deep learning is easily contaminated by adversarial attacks, which is a new type of attack that injects imperceptible perturbations to audio signals so as to make ASV produce wrong…

音频与语音处理 · 电气工程与系统科学 2024-07-10 Yibo Bai , Xiao-Lei Zhang , Xuelong Li

In recent years, deep neural network approaches have been widely adopted for machine learning tasks, including classification. However, they were shown to be vulnerable to adversarial perturbations: carefully crafted small perturbations can…

计算机视觉与模式识别 · 计算机科学 2018-05-21 Pouya Samangouei , Maya Kabkab , Rama Chellappa

We introduce 2D-Malafide, a novel and lightweight adversarial attack designed to deceive face deepfake detection systems. Building upon the concept of 1D convolutional perturbations explored in the speech domain, our method leverages 2D…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Chiara Galdi , Michele Panariello , Massimiliano Todisco , Nicholas Evans

Adversarial attacks on deep-learning models pose a serious threat to their reliability and security. Existing defense mechanisms are narrow addressing a specific type of attack or being vulnerable to sophisticated attacks. We propose a new…

机器学习 · 计算机科学 2023-06-22 Mouna Rabhi , Roberto Di Pietro

Deep neural networks exhibit excellent performance in computer vision tasks, but their vulnerability to real-world adversarial attacks, achieved through physical objects that can corrupt their predictions, raises serious security concerns…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Giulio Rossolini , Alessandro Biondi , Giorgio Buttazzo

Highly realistic AI generated face forgeries known as deepfakes have raised serious social concerns. Although DNN-based face forgery detection models have achieved good performance, they are vulnerable to latest generative methods that have…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Yang Li , Songlin Yang , Wei Wang , Ziwen He , Bo Peng , Jing Dong

Speech enhancement is an essential task of improving speech quality in noise scenario. Several state-of-the-art approaches have introduced visual information for speech enhancement,since the visual aspect of speech is essentially unaffected…

音频与语音处理 · 电气工程与系统科学 2022-04-21 Xinmeng Xu , Yang Wang , Dongxiang Xu , Yiyuan Peng , Cong Zhang , Jie Jia , Binbin Chen

Deepfakes pose severe threats of visual misinformation to our society. One representative deepfake application is face manipulation that modifies a victim's facial attributes in an image, e.g., changing her age or hair color. The…

密码学与安全 · 计算机科学 2022-10-04 Zheng Li , Ning Yu , Ahmed Salem , Michael Backes , Mario Fritz , Yang Zhang

Manipulating facial expressions is a challenging task due to fine-grained shape changes produced by facial muscles and the lack of input-output pairs for supervised learning. Unlike previous methods using Generative Adversarial Networks…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Rumeysa Bodur , Binod Bhattarai , Tae-Kyun Kim

Growing leakage and misuse of visual information raise security and privacy concerns, which promotes the development of information protection. Existing adversarial perturbations-based methods mainly focus on the de-identification against…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Zhigang Su , Dawei Zhou , Nannan Wangu , Decheng Li , Zhen Wang , Xinbo Gao
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