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相关论文: Data Augmentation via Structured Adversarial Pertu…

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Adversarial training is a widely-applied approach to training deep neural networks to be robust against adversarial perturbation. However, although adversarial training has achieved empirical success in practice, it still remains unclear…

机器学习 · 计算机科学 2025-02-10 Binghui Li , Yuanzhi Li

Data augmentation is often used to enlarge datasets with synthetic samples generated in accordance with the underlying data distribution. To enable a wider range of augmentations, we explore negative data augmentation strategies (NDA)that…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Abhishek Sinha , Kumar Ayush , Jiaming Song , Burak Uzkent , Hongxia Jin , Stefano Ermon

Adversarial training has been shown effective at endowing the learned representations with stronger generalization ability. However, it typically requires expensive computation to determine the direction of the injected perturbations. In…

计算与语言 · 计算机科学 2020-10-26 Dinghan Shen , Mingzhi Zheng , Yelong Shen , Yanru Qu , Weizhu Chen

Neural network-based approaches can achieve high accuracy in various medical image segmentation tasks. However, they generally require large labelled datasets for supervised learning. Acquiring and manually labelling a large medical dataset…

图像与视频处理 · 电气工程与系统科学 2020-06-25 Chen Chen , Chen Qin , Huaqi Qiu , Cheng Ouyang , Shuo Wang , Liang Chen , Giacomo Tarroni , Wenjia Bai , Daniel Rueckert

Adversarial training, in which a network is trained on both adversarial and clean examples, is one of the most trusted defense methods against adversarial attacks. However, there are three major practical difficulties in implementing and…

机器学习 · 计算机科学 2019-10-11 Shixian Wen , Laurent Itti

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Supervised deep learning relies on the assumption that enough training data is available, which presents a problem for its application to several fields, like medical imaging. On the example of a binary image classification task (breast…

计算机视觉与模式识别 · 计算机科学 2019-02-22 Lukas Jendele , Ondrej Skopek , Anton S. Becker , Ender Konukoglu

Adversarial examples, or nearly indistinguishable inputs created by an attacker, significantly reduce machine learning accuracy. Theoretical evidence has shown that the high intrinsic dimensionality of datasets facilitates an adversary's…

机器学习 · 计算机科学 2021-12-13 Sheila Alemany , Niki Pissinou

Adversarial training suffers from robust overfitting, a phenomenon where the robust test accuracy starts to decrease during training. In this paper, we focus on both heuristics-driven and data-driven augmentations as a means to reduce…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Sylvestre-Alvise Rebuffi , Sven Gowal , Dan A. Calian , Florian Stimberg , Olivia Wiles , Timothy Mann

Adversarial training is an approach of increasing the robustness of models to adversarial attacks by including adversarial examples in the training set. One major challenge of producing adversarial examples is to contain sufficient…

机器学习 · 计算机科学 2021-10-13 Tianjin Huang , Vlado Menkovski , Yulong Pei , Mykola Pechenizkiy

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

Neural networks are susceptible to adversarial examples-small input perturbations that cause models to fail. Adversarial training is one of the solutions that stops adversarial examples; models are exposed to attacks during training and…

机器学习 · 计算机科学 2022-07-05 Maximilian Kaufmann , Yiren Zhao , Ilia Shumailov , Robert Mullins , Nicolas Papernot

Adversarial attack is commonly regarded as a huge threat to neural networks because of misleading behavior. This paper presents an opposite perspective: adversarial attacks can be harnessed to improve neural models if amended correctly.…

人工智能 · 计算机科学 2023-05-19 Chong Yu , Tao Chen , Zhongxue Gan

Adversarial perturbations pose a significant threat to deep learning models. Adversarial Training (AT), the predominant defense method, faces challenges of high computational costs and a degradation in standard performance. While data…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Wang Yu-Hang , Shiwei Li , Jianxiang Liao , Li Bohan , Jian Liu , Wenfei Yin

To help adversarial examples generalize from surrogate machine-learning (ML) models to targets, certain transferability-based black-box evasion attacks incorporate data augmentations (e.g., random resizing). Yet, prior work has explored…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Zebin Yun , Achi-Or Weingarten , Eyal Ronen , Mahmood Sharif

Since real-world training datasets cannot properly sample the long tail of the underlying data distribution, corner cases and rare out-of-domain samples can severely hinder the performance of state-of-the-art models. This problem becomes…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Alexander Lehner , Stefano Gasperini , Alvaro Marcos-Ramiro , Michael Schmidt , Nassir Navab , Benjamin Busam , Federico Tombari

Adversarial training is an effective method to boost model robustness to malicious, adversarial attacks. However, such improvement in model robustness often leads to a significant sacrifice of standard performance on clean images. In many…

机器学习 · 计算机科学 2022-04-29 Pengyue Hou , Ming Zhou , Jie Han , Petr Musilek , Xingyu Li

Data augmentation (DA) has been widely utilized to improve generalization in training deep neural networks. Recently, human-designed data augmentation has been gradually replaced by automatically learned augmentation policy. Through finding…

计算机视觉与模式识别 · 计算机科学 2019-12-25 Xinyu Zhang , Qiang Wang , Jian Zhang , Zhao Zhong

The rapid progress in machine learning methods has been empowered by i) huge datasets that have been collected and annotated, ii) improved engineering (e.g. data pre-processing/normalization). The existing datasets typically include several…

计算机视觉与模式识别 · 计算机科学 2018-01-23 Grigorios G. Chrysos , Yannis Panagakis , Stefanos Zafeiriou

A data augmentation module is utilized in contrastive learning to transform the given data example into two views, which is considered essential and irreplaceable. However, the predetermined composition of multiple data augmentations brings…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Junbo Zhang , Kaisheng Ma