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Deep Neural Networks (DNNs) are well-known to be vulnerable to Adversarial Examples (AEs). A large amount of efforts have been spent to launch and heat the arms race between the attackers and defenders. Recently, advanced gradient-based…

密码学与安全 · 计算机科学 2020-05-29 Han Qiu , Yi Zeng , Qinkai Zheng , Tianwei Zhang , Meikang Qiu , Gerard Memmi

In this work, we study the robustness of a CNN+RNN based image captioning system being subjected to adversarial noises. We propose to fool an image captioning system to generate some targeted partial captions for an image polluted by…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Yan Xu , Baoyuan Wu , Fumin Shen , Yanbo Fan , Yong Zhang , Heng Tao Shen , Wei Liu

Although deep generative models such as Defense-GAN and Defense-VAE have made significant progress in terms of adversarial defenses of image classification neural networks, several methods have been found to circumvent these defenses. Based…

密码学与安全 · 计算机科学 2020-11-04 Frederick Morlock , Dingsu Wang

In image classification of deep learning, adversarial examples where inputs intended to add small magnitude perturbations may mislead deep neural networks (DNNs) to incorrect results, which means DNNs are vulnerable to them. Different…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Lingyun Jiang , Kai Qiao , Ruoxi Qin , Linyuan Wang , Jian Chen , Haibing Bu , Bin Yan

Recent work has explored integrating autoregressive language models with energy-based models (EBMs) to enhance text generation capabilities. However, learning effective EBMs for text is challenged by the discrete nature of language. This…

计算与语言 · 计算机科学 2023-11-14 Xuwang Yin

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

In this paper, we present a simple approach to train Generative Adversarial Networks (GANs) in order to avoid a \textit {mode collapse} issue. Implicit models such as GANs tend to generate better samples compared to explicit models that are…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi

Audio DeepFakes (DF) are artificially generated utterances created using deep learning, with the primary aim of fooling the listeners in a highly convincing manner. Their quality is sufficient to pose a severe threat in terms of security…

声音 · 计算机科学 2023-06-13 Piotr Kawa , Marcin Plata , Piotr Syga

Generative Adversarial Networks (GANs) for text generation have recently received many criticisms, as they perform worse than their MLE counterparts. We suspect previous text GANs' inferior performance is due to the lack of a reliable…

计算与语言 · 计算机科学 2021-04-28 Qingyang Wu , Lei Li , Zhou Yu

Improvements in Generative Adversarial Networks (GANs) have greatly reduced the difficulty of producing new, photo-realistic images with unique semantic meaning. With this rise in ability to generate fake images comes demand to detect them.…

图像与视频处理 · 电气工程与系统科学 2020-09-17 Michael Goebel , B. S. Manjunath

Recent work has demonstrated the vulnerability of modern text classifiers to universal adversarial attacks, which are input-agnostic sequences of words added to text processed by classifiers. Despite being successful, the word sequences…

计算与语言 · 计算机科学 2021-04-09 Liwei Song , Xinwei Yu , Hsuan-Tung Peng , Karthik Narasimhan

In the past few years, it has been shown that deep learning systems are highly vulnerable under attacks with adversarial examples. Neural-network-based automatic speech recognition (ASR) systems are no exception. Targeted and untargeted…

音频与语音处理 · 电气工程与系统科学 2024-11-07 Matías Pizarro , Dorothea Kolossa , Asja Fischer

Adversarial attacking aims to fool deep neural networks with adversarial examples. In the field of natural language processing, various textual adversarial attack models have been proposed, varying in the accessibility to the victim model.…

计算与语言 · 计算机科学 2020-09-22 Yuan Zang , Bairu Hou , Fanchao Qi , Zhiyuan Liu , Xiaojun Meng , Maosong Sun

As powerful Large Language Models (LLMs) are now widely used for numerous practical applications, their safety is of critical importance. While alignment techniques have significantly improved overall safety, LLMs remain vulnerable to…

机器学习 · 计算机科学 2024-10-28 Samuel Jacob Chacko , Sajib Biswas , Chashi Mahiul Islam , Fatema Tabassum Liza , Xiuwen Liu

In recent times, many of the breakthroughs in various vision-related tasks have revolved around improving learning of deep models; these methods have ranged from network architectural improvements such as Residual Networks, to various forms…

机器学习 · 统计学 2018-05-15 Yan Zuo , Gil Avraham , Tom Drummond

Generative Adversarial Networks (GANs) have gathered a lot of attention from the computer vision community, yielding impressive results for image generation. Advances in the adversarial generation of natural language from noise however are…

计算与语言 · 计算机科学 2017-06-01 Sai Rajeswar , Sandeep Subramanian , Francis Dutil , Christopher Pal , Aaron Courville

Generative adversarial networks (GANs) are a powerful approach to unsupervised learning. They have achieved state-of-the-art performance in the image domain. However, GANs are limited in two ways. They often learn distributions with low…

机器学习 · 统计学 2019-10-11 Adji B. Dieng , Francisco J. R. Ruiz , David M. Blei , Michalis K. Titsias

Motivated by the superior performance of deep learning in many applications including computer vision and natural language processing, several recent studies have focused on applying deep neural network for devising future generations of…

人工智能 · 计算机科学 2024-07-10 Lu Zhang , Sangarapillai Lambotharan , Gan Zheng , Guisheng Liao , Ambra Demontis , Fabio Roli

Deep neural networks (DNNs) are vulnerable to adversarial examples, which are crafted by adding imperceptible perturbations to inputs. Recently different attacks and strategies have been proposed, but how to generate adversarial examples…

机器学习 · 计算机科学 2021-01-13 Tao Bai , Jun Zhao , Jinlin Zhu , Shoudong Han , Jiefeng Chen , Bo Li , Alex Kot

This paper presents a DNN bottleneck reinforcement scheme to alleviate the vulnerability of Deep Neural Networks (DNN) against adversarial attacks. Typical DNN classifiers encode the input image into a compressed latent representation more…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Wenqing Liu , Miaojing Shi , Teddy Furon , Li Li