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Graph neural networks (GNNs) have attracted significant attention for their outstanding performance in graph learning and node classification tasks. However, their vulnerability to adversarial attacks, particularly through susceptible…

机器学习 · 计算机科学 2024-11-19 Sepideh Neshatfar , Salimeh Yasaei Sekeh

We study Label-Smoothing as a means for improving adversarial robustness of supervised deep-learning models. After establishing a thorough and unified framework, we propose several variations to this general method: adversarial, Boltzmann…

机器学习 · 计算机科学 2019-10-16 Morgane Goibert , Elvis Dohmatob

Weakly Supervised Video Anomaly Detection (WSVAD) has achieved notable advancements, yet existing models remain vulnerable to adversarial attacks, limiting their reliability. Due to the inherent constraints of weak supervision, where only…

Dataset Distillation (DD) is an emerging technique that compresses large-scale datasets into significantly smaller synthesized datasets while preserving high test performance and enabling the efficient training of large models. However,…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Zheng Zhou , Wenquan Feng , Shuchang Lyu , Guangliang Cheng , Xiaowei Huang , Qi Zhao

In this paper we show how to achieve state-of-the-art certified adversarial robustness to 2-norm bounded perturbations by relying exclusively on off-the-shelf pretrained models. To do so, we instantiate the denoised smoothing approach of…

Adversarial robustness has proven to be a required property of machine learning algorithms. A key and often overlooked aspect of this problem is to try to make the adversarial noise magnitude as large as possible to enhance the benefits of…

机器学习 · 统计学 2020-03-31 Amirreza Shaeiri , Rozhin Nobahari , Mohammad Hossein Rohban

Spiking Neural Networks (SNNs) offer a promising direction for energy-efficient and brain-inspired computing, yet their vulnerability to adversarial perturbations remains poorly understood. In this work, we revisit the adversarial…

机器学习 · 计算机科学 2025-08-18 Jihang Wang , Dongcheng Zhao , Ruolin Chen , Qian Zhang , Yi Zeng

Neural network robustness has recently been highlighted by the existence of adversarial examples. Many previous works show that the learned networks do not perform well on perturbed test data, and significantly more labeled data is required…

机器学习 · 计算机科学 2019-09-27 Runtian Zhai , Tianle Cai , Di He , Chen Dan , Kun He , John Hopcroft , Liwei Wang

This paper proposes an attack-independent (non-adversarial training) technique for improving adversarial robustness of neural network models, with minimal loss of standard accuracy. We suggest creating a neighborhood around each training…

机器学习 · 计算机科学 2021-07-28 Bronya Roni Chernyak , Bhiksha Raj , Tamir Hazan , Joseph Keshet

In this work, we used a semi-supervised learning method to train deep learning model that can segment the brain MRI images. The semi-supervised model uses less labeled data, and the performance is competitive with the supervised model with…

图像与视频处理 · 电气工程与系统科学 2022-12-07 Hedong Zhang , Anand A. Joshi

Labelling of data for supervised learning can be costly and time-consuming and the risk of incorporating label noise in large data sets is imminent. When training a flexible discriminative model using a strictly proper loss, such noise will…

机器学习 · 统计学 2022-05-13 Amanda Olmin , Fredrik Lindsten

The proper handling of out-of-distribution (OOD) samples in deep classifiers is a critical concern for ensuring the suitability of deep neural networks in safety-critical systems. Existing approaches developed for robust OOD detection in…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Nasrin Alipour , Seyyed Ali SeyyedSalehi

Deep neural networks (DNNs) are vulnerable to adversarial noises, which motivates the benchmark of model robustness. Existing benchmarks mainly focus on evaluating defenses, but there are no comprehensive studies of how architecture design…

计算机视觉与模式识别 · 计算机科学 2022-01-17 Shiyu Tang , Ruihao Gong , Yan Wang , Aishan Liu , Jiakai Wang , Xinyun Chen , Fengwei Yu , Xianglong Liu , Dawn Song , Alan Yuille , Philip H. S. Torr , Dacheng Tao

Deep Neural Networks (DNNs) are known to be vulnerable to adversarial attacks, i.e., an imperceptible perturbation to the input can mislead DNNs trained on clean images into making erroneous predictions. To tackle this, adversarial training…

机器学习 · 计算机科学 2025-01-07 Yonggan Fu , Qixuan Yu , Yang Zhang , Shang Wu , Xu Ouyang , David Cox , Yingyan Celine Lin

Collecting large-scale data with clean labels for supervised training of neural networks is practically challenging. Although noisy labels are usually cheap to acquire, existing methods suffer a lot from label noise. This paper targets at…

机器学习 · 计算机科学 2020-06-16 Zizhao Zhang , Han Zhang , Sercan O. Arik , Honglak Lee , Tomas Pfister

The robustness of deep neural networks (DNNs) against adversarial attacks has been studied extensively in hopes of both better understanding how deep learning models converge and in order to ensure the security of these models in…

机器学习 · 计算机科学 2023-07-11 Jovon Craig , Josh Andle , Theodore S. Nowak , Salimeh Yasaei Sekeh

The deep neural network (DNN) has been proven effective in various domains. However, they often struggle to perform well on certain minority groups during inference, despite showing strong performance on the majority of data groups. This is…

机器学习 · 计算机科学 2023-12-11 Jiaxu Zhao , Lu Yin , Shiwei Liu , Meng Fang , Mykola Pechenizkiy

Noisy labels damage the performance of deep networks. For robust learning, a prominent two-stage pipeline alternates between eliminating possible incorrect labels and semi-supervised training. However, discarding part of noisy labels could…

机器学习 · 计算机科学 2023-01-09 Mingcai Chen , Hao Cheng , Yuntao Du , Ming Xu , Wenyu Jiang , Chongjun Wang

We show that label noise exists in adversarial training. Such label noise is due to the mismatch between the true label distribution of adversarial examples and the label inherited from clean examples - the true label distribution is…

机器学习 · 计算机科学 2023-10-17 Chengyu Dong , Liyuan Liu , Jingbo Shang

Deep neural networks have achieved human-level accuracy on almost all perceptual benchmarks. It is interesting that these advances were made using two ideas that are decades old: (a) an artificial neuron based on a linear summator and (b)…

神经与进化计算 · 计算机科学 2020-06-18 Sergey Bochkanov