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We propose a novel learning approach, in the form of a fully-convolutional neural network (CNN), which automatically and consistently removes specular highlights from a single image by generating its diffuse component. To train the…

计算机视觉与模式识别 · 计算机科学 2019-04-05 John Lin , Mohamed El Amine Seddik , Mohamed Tamaazousti , Youssef Tamaazousti , Adrien Bartoli

Deep neural networks are vulnerable to small input perturbations known as adversarial attacks. Inspired by the fact that these adversaries are constructed by iteratively minimizing the confidence of a network for the true class label, we…

机器学习 · 计算机科学 2021-12-17 Motasem Alfarra , Juan C. Pérez , Ali Thabet , Adel Bibi , Philip H. S. Torr , Bernard Ghanem

Layout designs are encountered in a variety of fields. For problems with many design degrees of freedom, efficiency of design methods becomes a major concern. In recent years, machine learning methods such as artificial neural networks have…

机器学习 · 计算机科学 2021-02-01 Chao Qian , Renkai Tan , Wenjing Ye

Recent research showed that deep neural networks are highly sensitive to so-called adversarial perturbations, which are tiny perturbations of the input data purposely designed to fool a machine learning classifier. Most classification…

机器学习 · 计算机科学 2018-01-15 Akram Erraqabi , Aristide Baratin , Yoshua Bengio , Simon Lacoste-Julien

Sufficient supervised information is crucial for any machine learning models to boost performance. However, labeling data is expensive and sometimes difficult to obtain. Active learning is an approach to acquire annotations for data from a…

机器学习 · 计算机科学 2019-06-18 Quan Kong , Bin Tong , Martin Klinkigt , Yuki Watanabe , Naoto Akira , Tomokazu Murakami

We consider the online control problem with an unknown linear dynamical system in the presence of adversarial perturbations and adversarial convex loss functions. Although the problem is widely studied in model-based control, it remains…

系统与控制 · 电气工程与系统科学 2024-03-12 Zishun Liu , Yongxin Chen

In spite of the recent interest and advances in linear controllability of complex networks, controlling nonlinear network dynamics remains to be an outstanding problem. We develop an experimentally feasible control framework for nonlinear…

分子网络 · 定量生物学 2015-09-24 Le-Zhi Wang , Ri-Qi Su , Zi-Gang Huang , Xiao Wang , Wenxu Wang , Celso Grebogi , Ying-Cheng Lai

Adversarial examples are perturbed inputs which can cause a serious threat for machine learning models. Finding these perturbations is such a hard task that we can only use the iterative methods to traverse. For computational efficiency,…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

Machine learning models, including state-of-the-art deep neural networks, are vulnerable to small perturbations that cause unexpected classification errors. This unexpected lack of robustness raises fundamental questions about their…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Andras Rozsa , Manuel Gunther , Terrance E. Boult

In this paper, we present a novel nonlinear programming-based approach to fine-tune pre-trained neural networks to improve robustness against adversarial attacks while maintaining high accuracy on clean data. Our method introduces…

机器学习 · 计算机科学 2024-10-28 Shudian Zhao , Jan Kronqvist

The fact that image datasets are often imbalanced poses an intense challenge for deep learning techniques. In this paper, we propose a method to restore the balance in imbalanced images, by coalescing two concurrent methods, generative…

机器学习 · 计算机科学 2020-04-09 Pourya Shamsolmoali , Masoumeh Zareapoor , Linlin Shen , Abdul Hamid Sadka , Jie Yang

Biases in observational data of treatments pose a major challenge to estimating expected treatment outcomes in different populations. An important technique that accounts for these biases is reweighting samples to minimize the discrepancy…

机器学习 · 计算机科学 2020-09-14 Michal Ozery-Flato , Pierre Thodoroff , Matan Ninio , Michal Rosen-Zvi , Tal El-Hay

Overfitting widely exists in adversarial robust training of deep networks. An effective remedy is adversarial weight perturbation, which injects the worst-case weight perturbation during network training by maximizing the classification…

机器学习 · 计算机科学 2022-05-31 Chaojian Yu , Bo Han , Mingming Gong , Li Shen , Shiming Ge , Bo Du , Tongliang Liu

Although Deep Neural Networks (DNNs) have shown incredible performance in perceptive and control tasks, several trustworthy issues are still open. One of the most discussed topics is the existence of adversarial perturbations, which has…

机器学习 · 计算机科学 2023-01-10 Fabio Brau , Giulio Rossolini , Alessandro Biondi , Giorgio Buttazzo

Class imbalance in graph-structured data, where minor classes are significantly underrepresented, poses a critical challenge for Graph Neural Networks (GNNs). To address this challenge, existing studies generally generate new minority nodes…

机器学习 · 计算机科学 2024-02-21 Qian Wang , Zemin Liu , Zhen Zhang , Bingsheng He

Continual learning aims to learn on non-stationary data streams without catastrophically forgetting previous knowledge. Prevalent replay-based methods address this challenge by rehearsing on a small buffer holding the seen data, for which a…

机器学习 · 计算机科学 2023-04-21 Zhicheng Sun , Yadong Mu , Gang Hua

Large datasets in machine learning often contain missing data, which necessitates the imputation of missing data values. In this work, we are motivated by network traffic classification, where traditional data imputation methods do not…

机器学习 · 计算机科学 2023-03-21 Rozhina Ghanavi , Ben Liang , Ali Tizghadam

Adversarial attacks against machine learning models have threatened various real-world applications such as spam filtering and sentiment analysis. In this paper, we propose a novel framework, learning to DIScriminate Perturbations (DISP),…

计算与语言 · 计算机科学 2019-09-10 Yichao Zhou , Jyun-Yu Jiang , Kai-Wei Chang , Wei Wang

Generative data augmentation, which scales datasets by obtaining fake labeled examples from a trained conditional generative model, boosts classification performance in various learning tasks including (semi-)supervised learning, few-shot…

机器学习 · 计算机科学 2023-05-30 Chenyu Zheng , Guoqiang Wu , Chongxuan Li

There is a growing body of literature showing that deep neural networks are vulnerable to adversarial input modification. Recently this work has been extended from image classification to malware classification over boolean features. In…

机器学习 · 计算机科学 2018-06-26 Alex Kouzemtchenko