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Adversarial training (AT) is among the most effective techniques to improve model robustness by augmenting training data with adversarial examples. However, most existing AT methods adopt a specific attack to craft adversarial examples,…

机器学习 · 计算机科学 2020-11-20 Yinpeng Dong , Zhijie Deng , Tianyu Pang , Hang Su , Jun Zhu

Robust training methods typically defend against specific attack types, such as Lp attacks with fixed budgets, and rarely account for the fact that defenders may encounter new attacks over time. A natural solution is to adapt the defended…

机器学习 · 计算机科学 2025-02-07 Sihui Dai , Christian Cianfarani , Arjun Bhagoji , Vikash Sehwag , Prateek Mittal

Transfer learning from pre-trained encoders has become essential in modern machine learning, enabling efficient model adaptation across diverse tasks. However, this combination of pre-training and downstream adaptation creates an expanded…

机器学习 · 计算机科学 2025-04-17 Yechao Zhang , Yuxuan Zhou , Tianyu Li , Minghui Li , Shengshan Hu , Wei Luo , Leo Yu Zhang

Deep learning models tend to memorize training data, which hurts their ability to generalize to under-represented classes. We empirically study a convolutional neural network's internal representation of imbalanced image data and measure…

机器学习 · 计算机科学 2022-10-19 Damien Dablain , Colin Bellinger , Bartosz Krawczyk , Nitesh Chawla

Imitation Learning (IL) has proven highly effective for robotic and control tasks where manually designing reward functions or explicit controllers is infeasible. However, standard IL methods implicitly assume that the environment dynamics…

机器学习 · 计算机科学 2025-11-12 Rishabh Agrawal , Yusuf Alvi , Rahul Jain , Ashutosh Nayyar

The robustness of machine learning algorithms to distributions shift is primarily discussed in the context of supervised learning (SL). As such, there is a lack of insight on the robustness of the representations learned from unsupervised…

机器学习 · 计算机科学 2022-12-19 Yuge Shi , Imant Daunhawer , Julia E. Vogt , Philip H. S. Torr , Amartya Sanyal

Deep neural networks are vulnerable to adversarial examples, which can mislead classifiers by adding imperceptible perturbations. An intriguing property of adversarial examples is their good transferability, making black-box attacks…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Yinpeng Dong , Tianyu Pang , Hang Su , Jun Zhu

Although face swapping has attracted much attention in recent years, it remains a challenging problem. Existing methods leverage a large number of data samples to explore the intrinsic properties of face swapping without considering the…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Qi Li , Weining Wang , Chengzhong Xu , Zhenan Sun , Ming-Hsuan Yang

Adversarial attacks pose a significant threat to deep learning models, particularly in safety-critical applications like healthcare and autonomous driving. Recently, patch based attacks have demonstrated effectiveness in real-time inference…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Prashant Shekhar , Bidur Devkota , Dumindu Samaraweera , Laxima Niure Kandel , Manoj Babu

Audio self-supervised learning (SSL) pre-training, which aims to learn good representations from unlabeled audio, has made remarkable progress. However, the extensive computational demands during pre-training pose a significant barrier to…

音频与语音处理 · 电气工程与系统科学 2024-01-09 Wenxi Chen , Yuzhe Liang , Ziyang Ma , Zhisheng Zheng , Xie Chen

Deep neural networks (DNNs) has shown great promise in computer vision tasks. However, machine vision achieved by DNNs cannot be as robust as human perception. Adversarial attacks and data distribution shifts have been known as two major…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Xiaofeng Mao , Yuefeng Chen , Rong Zhang , Hui Xue , Zhao Li , Hang Su

Reinforcement learning (RL) systems, while achieving remarkable success across various domains, are vulnerable to adversarial attacks. This is especially a concern in vision-based environments where minor manipulations of high-dimensional…

机器学习 · 计算机科学 2025-11-12 Xiaolin Sun , Feidi Liu , Zhengming Ding , ZiZhan Zheng

Deep learning has enabled realistic face manipulation (i.e., deepfake), which poses significant concerns over the integrity of the media in circulation. Most existing deep learning techniques for deepfake detection can achieve promising…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Bosheng Yan , Chang-Tsun Li , Xuequan Lu

Transfer learning provides an effective solution for feasibly and fast customize accurate \textit{Student} models, by transferring the learned knowledge of pre-trained \textit{Teacher} models over large datasets via fine-tuning. Many…

机器学习 · 计算机科学 2020-08-11 Shuo Wang , Surya Nepal , Carsten Rudolph , Marthie Grobler , Shangyu Chen , Tianle Chen

Text-to-image diffusion models have demonstrated remarkable effectiveness in rapid and high-fidelity personalization, even when provided with only a few user images. However, the effectiveness of personalization techniques has lead to…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Naresh Kumar Devulapally , Shruti Agarwal , Tejas Gokhale , Vishnu Suresh Lokhande

Despite their great success, deep neural networks rely on high-dimensional, non-robust representations, making them vulnerable to imperceptible perturbations, even in transfer scenarios. To address this, both training-time defenses (e.g.,…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jiaming Liang , Chi-Man Pun

Vision-language pre-training (VLP) models demonstrate impressive abilities in processing both images and text. However, they are vulnerable to multi-modal adversarial examples (AEs). Investigating the generation of high-transferability…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Dongchen Han , Xiaojun Jia , Yang Bai , Jindong Gu , Yang Liu , Xiaochun Cao

DeepFakes pose a significant threat to our society. One representative DeepFake application is face-swapping, which replaces the identity in a facial image with that of a victim. Although existing methods partially mitigate these risks by…

密码学与安全 · 计算机科学 2025-02-18 Li Wang , Zheng Li , Xuhong Zhang , Shouling Ji , Shanqing Guo

Deep neural networks are susceptible to adversarial attacks, which can compromise their performance and accuracy. Adversarial Training (AT) has emerged as a popular approach for protecting neural networks against such attacks. However, a…

机器学习 · 计算机科学 2024-02-20 Vijaya Raghavan T Ramkumar , Bahram Zonooz , Elahe Arani

The goal of an offline reinforcement learning (RL) algorithm is to learn optimal polices using historical (offline) data, without access to the environment for online exploration. One of the main challenges in offline RL is the distribution…

机器学习 · 计算机科学 2023-10-31 Kishan Panaganti , Zaiyan Xu , Dileep Kalathil , Mohammad Ghavamzadeh