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相关论文: LaVAN: Localized and Visible Adversarial Noise

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Fooling people with highly realistic fake images generated with Deepfake or GANs brings a great social disturbance to our society. Many methods have been proposed to detect fake images, but they are vulnerable to adversarial perturbations…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Quanyu Liao , Yuezun Li , Xin Wang , Bin Kong , Bin Zhu , Siwei Lyu , Youbing Yin , Qi Song , Xi Wu

We investigate adversarial attacks for autoencoders. We propose a procedure that distorts the input image to mislead the autoencoder in reconstructing a completely different target image. We attack the internal latent representations,…

神经与进化计算 · 计算机科学 2016-12-02 Pedro Tabacof , Julia Tavares , Eduardo Valle

Recent works have shown that deep neural networks are vulnerable to adversarial examples that find samples close to the original image but can make the model misclassify. Even with access only to the model's output, an attacker can employ…

机器学习 · 计算机科学 2023-10-03 Quang H. Nguyen , Yingjie Lao , Tung Pham , Kok-Seng Wong , Khoa D. Doan

Generating adversarial examples is an intriguing problem and an important way of understanding the working mechanism of deep neural networks. Most existing approaches generated perturbations in the image space, i.e., each pixel can be…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Xiaohui Zeng , Chenxi Liu , Yu-Siang Wang , Weichao Qiu , Lingxi Xie , Yu-Wing Tai , Chi Keung Tang , Alan L. Yuille

Deep neural networks have been shown to exhibit an intriguing vulnerability to adversarial input images corrupted with imperceptible perturbations. However, the majority of adversarial attacks assume global, fine-grained control over the…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Ameya Joshi , Amitangshu Mukherjee , Soumik Sarkar , Chinmay Hegde

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

Deep learning based image recognition systems have been widely deployed on mobile devices in today's world. In recent studies, however, deep learning models are shown vulnerable to adversarial examples. One variant of adversarial examples,…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Tao Bai , Jinqi Luo , Jun Zhao

It has been shown that most machine learning algorithms are susceptible to adversarial perturbations. Slightly perturbing an image in a carefully chosen direction in the image space may cause a trained neural network model to misclassify…

计算机视觉与模式识别 · 计算机科学 2017-07-13 Jiajun Lu , Hussein Sibai , Evan Fabry , David Forsyth

Adversarial examples, which are usually generated for specific inputs with a specific model, are ubiquitous for neural networks. In this paper we unveil a surprising property of adversarial noises when they are put together, i.e.,…

机器学习 · 计算机科学 2022-06-10 Huishuai Zhang , Da Yu , Yiping Lu , Di He

Image denoising can remove natural noise that widely exists in images captured by multimedia devices due to low-quality imaging sensors, unstable image transmission processes, or low light conditions. Recent works also find that image…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Yupeng Cheng , Qing Guo , Felix Juefei-Xu , Wei Feng , Shang-Wei Lin , Weisi Lin , Yang Liu

Adversarial examples in machine learning are typically generated using gradients, obtained either directly through access to the model or approximated via queries to it. In this paper, we propose a much simpler approach to craft adversarial…

机器学习 · 计算机科学 2026-05-05 Alexander Warnecke , Konrad Rieck

Adding perturbations via utilizing auxiliary gradient information or discarding existing details of the benign images are two common approaches for generating adversarial examples. Though visual imperceptibility is the desired property of…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zihan Chen , Ziyue Wang , Junjie Huang , Wentao Zhao , Xiao Liu , Dejian Guan

Adversarial perturbations of normal images are usually imperceptible to humans, but they can seriously confuse state-of-the-art machine learning models. What makes them so special in the eyes of image classifiers? In this paper, we show…

机器学习 · 计算机科学 2018-05-22 Yang Song , Taesup Kim , Sebastian Nowozin , Stefano Ermon , Nate Kushman

Despite the recent advancements in deploying neural networks for image classification, it has been found that adversarial examples are able to fool these models leading them to misclassify the images. Since these models are now being widely…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Raghav Gurbaxani , Shivank Mishra

It is not fully understood why adversarial examples can deceive neural networks and transfer between different networks. To elucidate this, several studies have hypothesized that adversarial perturbations, while appearing as noises, contain…

机器学习 · 计算机科学 2024-02-19 Soichiro Kumano , Hiroshi Kera , Toshihiko Yamasaki

Adversarial patch attacks pose a significant threat to the practical deployment of deep learning systems. However, existing research primarily focuses on image pre-processing defenses, which often result in reduced classification accuracy…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Nandish Chattopadhyay , Amira Guesmi , Muhammad Shafique

Adversarial patches are physically realizable localized noise, which are able to hijack Vision Transformers (ViT) self-attention, pulling focus toward a small, high-contrast region and corrupting the class token to force confident…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Nandish Chattopadhyay , Anadi Goyal , Chandan Karfa , Anupam Chattopadhyay

Adversarial attacks have verified the existence of the vulnerability of neural networks. By adding small perturbations to a benign example, adversarial attacks successfully generate adversarial examples that lead misclassification of deep…

机器学习 · 计算机科学 2022-06-22 Hoki Kim , Jinseong Park , Jaewook Lee

Constructing adversarial examples in a black-box threat model injures the original images by introducing visual distortion. In this paper, we propose a novel black-box attack approach that can directly minimize the induced distortion by…

机器学习 · 计算机科学 2021-07-28 Nannan Li , Zhenzhong Chen

Deep neural networks (DNNs) are vulnerable to adversarial noise. Preprocessing based defenses could largely remove adversarial noise by processing inputs. However, they are typically affected by the error amplification effect, especially in…

机器学习 · 计算机科学 2021-04-20 Dawei Zhou , Nannan Wang , Chunlei Peng , Xinbo Gao , Xiaoyu Wang , Jun Yu , Tongliang Liu