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Conventional adversarial defenses reduce classification accuracy whether or not a model is under attacks. Moreover, most of image processing based defenses are defeated due to the problem of obfuscated gradients. In this paper, we propose a…

机器学习 · 计算机科学 2020-05-19 MaungMaung AprilPyone , Hitoshi Kiya

Deep learning models, while achieving state-of-the-art performance on many tasks, are susceptible to adversarial attacks that exploit inherent vulnerabilities in their architectures. Adversarial attacks manipulate the input data with…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Shreyasi Mandal

Many machine learning image classifiers are vulnerable to adversarial attacks, inputs with perturbations designed to intentionally trigger misclassification. Current adversarial methods directly alter pixel colors and evaluate against pixel…

机器学习 · 计算机科学 2019-02-19 Hsueh-Ti Derek Liu , Michael Tao , Chun-Liang Li , Derek Nowrouzezahrai , Alec Jacobson

Adversarial examples are crafted by adding indistinguishable perturbations to normal examples in order to fool a well-trained deep learning model to misclassify. In the context of computer vision, this notion of indistinguishability is…

机器学习 · 计算机科学 2023-03-23 Wenjie Wang , Li Xiong , Jian Lou

Deep neural networks are highly vulnerable to adversarial examples, which imposes severe security issues for these state-of-the-art models. Many defense methods have been proposed to mitigate this problem. However, a lot of them depend on…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Nader Asadi , AmirMohammad Sarfi , Mehrdad Hosseinzadeh , Sahba Tahsini , Mahdi Eftekhari

Adversarial examples have recently proven to be able to fool deep learning methods by adding carefully crafted small perturbation to the input space image. In this paper, we study the possibility of generating adversarial examples for…

机器学习 · 计算机科学 2019-07-22 Sobhan Soleymani , Ali Dabouei , Jeremy Dawson , Nasser M. Nasrabadi

Despite unconditional feature inversion being the foundation of many image synthesis applications, training an inverter demands a high computational budget, large decoding capacity and imposing conditions such as autoregressive priors. To…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Renan A. Rojas-Gomez , Raymond A. Yeh , Minh N. Do , Anh Nguyen

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

Natural images are virtually surrounded by low-density misclassified regions that can be efficiently discovered by gradient-guided search --- enabling the generation of adversarial images. While many techniques for detecting these attacks…

机器学习 · 计算机科学 2019-12-05 Tao Yu , Shengyuan Hu , Chuan Guo , Wei-Lun Chao , Kilian Q. Weinberger

Recently, with the advancement of deep learning, several applications in text classification have advanced significantly. However, this improvement comes with a cost because deep learning is vulnerable to adversarial examples. This weakness…

机器学习 · 计算机科学 2024-05-08 Korn Sooksatra , Bikram Khanal , Pablo Rivas

With the increasing attention to deep neural network (DNN) models, attacks are also upcoming for such models. For example, an attacker may carefully construct images in specific ways (also referred to as adversarial examples) aiming to…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Yuexin Xiang , Tiantian Li , Wei Ren , Tianqing Zhu , Kim-Kwang Raymond Choo

Traditional adversarial attacks rely upon the perturbations generated by gradients from the network which are generally safeguarded by gradient guided search to provide an adversarial counterpart to the network. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Ujjwal Upadhyay , Prerana Mukherjee

Adding perturbations to images can mislead classification models to produce incorrect results. Recently, researchers exploited adversarial perturbations to protect image privacy from retrieval by intelligent models. However, adding…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Li Chen , Shaowei Zhu , Zhaoxia Yin

Adversarial perturbations can be added to images to protect their content from unwanted inferences. These perturbations may, however, be ineffective against classifiers that were not {seen} during the generation of the perturbation, or…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Ricardo Sanchez-Matilla , Chau Yi Li , Ali Shahin Shamsabadi , Riccardo Mazzon , Andrea Cavallaro

We propose adversarial embedding, a new steganography and watermarking technique that embeds secret information within images. The key idea of our method is to use deep neural networks for image classification and adversarial attacks to…

密码学与安全 · 计算机科学 2019-12-04 Salah Ghamizi , Maxime Cordy , Mike Papadakis , Yves Le Traon

Deep neural networks are vulnerable to adversarial examples, i.e., carefully-perturbed inputs aimed to mislead classification. This work proposes a detection method based on combining non-linear dimensionality reduction and density…

机器学习 · 计算机科学 2019-05-02 Francesco Crecchi , Davide Bacciu , Battista Biggio

Deep learning approaches based on convolutional neural networks (CNNs) have been successful in solving a number of problems in medical imaging, including image segmentation. In recent years, it has been shown that CNNs are vulnerable to…

图像与视频处理 · 电气工程与系统科学 2019-09-26 Liang Chen , Paul Bentley , Kensaku Mori , Kazunari Misawa , Michitaka Fujiwara , Daniel Rueckert

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

Generating images via the generative adversarial network (GAN) has attracted much attention recently. However, most of the existing GAN-based methods can only produce low-resolution images of limited quality. Directly generating…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Yong Guo , Qi Chen , Jian Chen , Qingyao Wu , Qinfeng Shi , Mingkui Tan

Generative adversarial networks (GANs) are capable of producing high quality image samples. However, unlike variational autoencoders (VAEs), GANs lack encoders that provide the inverse mapping for the generators, i.e., encode images back to…

机器学习 · 统计学 2018-12-20 Paul K. Rubenstein , Yunpeng Li , Dominik Roblek