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With the increasing amount of available data and advances in computing capabilities, deep neural networks (DNNs) have been successfully employed to solve challenging tasks in various areas, including healthcare, climate, and finance.…

机器学习 · 计算机科学 2023-01-12 Marcele O. K. Mendonça , Javier Maroto , Pascal Frossard , Paulo S. R. Diniz

The adversarial vulnerability of deep neural networks has attracted significant attention in machine learning. As causal reasoning has an instinct for modelling distribution change, it is essential to incorporate causality into analyzing…

机器学习 · 计算机科学 2022-05-31 Yonggang Zhang , Mingming Gong , Tongliang Liu , Gang Niu , Xinmei Tian , Bo Han , Bernhard Schölkopf , Kun Zhang

Many real world data mining applications involve obtaining predictive models using data sets with strongly imbalanced distributions of the target variable. Frequently, the least common values of this target variable are associated with…

机器学习 · 计算机科学 2015-05-14 Paula Branco , Luis Torgo , Rita Ribeiro

Machine learning algorithms are used to construct a mathematical model for a system based on training data. Such a model is capable of making highly accurate predictions without being explicitly programmed to do so. These techniques have a…

密码学与安全 · 计算机科学 2022-02-22 Cato Pauling , Michael Gimson , Muhammed Qaid , Ahmad Kida , Basel Halak

Adversarial machine learning is a fast growing research area, which considers the scenarios when machine learning systems may face potential adversarial attackers, who intentionally synthesize input data to make a well-trained model to make…

机器学习 · 计算机科学 2018-10-24 Guofu Li , Pengjia Zhu , Jin Li , Zhemin Yang , Ning Cao , Zhiyi Chen

Deep Neural Networks (DNNs) have often supplied state-of-the-art results in pattern recognition tasks. Despite their advances, however, the existence of adversarial examples have caught the attention of the community. Many existing works…

机器学习 · 计算机科学 2021-01-25 Jay Morgan , Adeline Paiement , Arno Pauly , Monika Seisenberger

Deep Neural Networks (DNNs) have been shown to be vulnerable to adversarial examples. While numerous successful adversarial attacks have been proposed, defenses against these attacks remain relatively understudied. Existing defense…

机器学习 · 计算机科学 2025-06-17 Furkan Mumcu , Yasin Yilmaz

Anomaly detection is to identify samples that do not conform to the distribution of the normal data. Due to the unavailability of anomalous data, training a supervised deep neural network is a cumbersome task. As such, unsupervised methods…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Vahid Reza Khazaie , Anthony Wong , John Taylor Jewell , Yalda Mohsenzadeh

Our objective is to estimate the unknown compositional input from its output response through an unknown system after estimating the inverse of the original system with a training set. The proposed methods using artificial neural networks…

机器学习 · 计算机科学 2020-01-27 Se Un Park

The problem of detecting data anomaly is considered. Under the null hypothesis that models anomaly-free data, measurements are assumed to be from an unknown distribution with some authenticated historical samples. Under the composite…

机器学习 · 计算机科学 2020-01-27 Kursat Rasim Mestav , Lang Tong

The existence of adversarial attacks (or adversarial examples) brings huge concern about the machine learning (ML) model's safety issues. For many safety-critical ML tasks, such as financial forecasting, fraudulent detection, and anomaly…

机器学习 · 计算机科学 2022-10-19 Han Xu , Menghai Pan , Zhimeng Jiang , Huiyuan Chen , Xiaoting Li , Mahashweta Das , Hao Yang

Developing large-scale distributed methods that are robust to the presence of adversarial or corrupted workers is an important part of making such methods practical for real-world problems. In this paper, we propose an iterative approach…

最优化与控制 · 数学 2024-03-14 Longxiu Huang , Xia Li , Deanna Needell

Generative adversarial networks have gained a lot of attention in the computer vision community due to their capability of data generation without explicitly modelling the probability density function. The adversarial loss brought by the…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Xin Yi , Ekta Walia , Paul Babyn

The area of inverse problems in mathematics is highly interdisciplinary. In various fields of science, engineering, medicine, and industry, there arises a need to reconstruct information about unknown entities that cannot be directly…

数值分析 · 数学 2024-09-17 Manabu Machida

Generative adversarial learning is a popular new approach to training generative models which has been proven successful for other related problems as well. The general idea is to maintain an oracle $D$ that discriminates between the…

机器学习 · 统计学 2016-12-08 Nir Baram , Oron Anschel , Shie Mannor

We introduce a new framework for characterizing identified sets of structural and counterfactual parameters in econometric models. By reformulating the identification problem as a set membership question, we leverage the separating…

计量经济学 · 经济学 2024-12-31 Irene Botosaru , Isaac Loh , Chris Muris

Regulation, legal liabilities, and societal concerns challenge the adoption of AI in safety and security-critical applications. One of the key concerns is that adversaries can cause harm by manipulating model predictions without being…

机器学习 · 计算机科学 2023-01-31 Jona Klemenc , Holger Trittenbach

Inverse Problems in medical imaging and computer vision are traditionally solved using purely model-based methods. Among those variational regularization models are one of the most popular approaches. We propose a new framework for applying…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Sebastian Lunz , Ozan Öktem , Carola-Bibiane Schönlieb

Contrastive learning (CL) has recently been applied to adversarial learning tasks. Such practice considers adversarial samples as additional positive views of an instance, and by maximizing their agreements with each other, yields better…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Qiying Yu , Jieming Lou , Xianyuan Zhan , Qizhang Li , Wangmeng Zuo , Yang Liu , Jingjing Liu

Learning in MDPs with highly complex state representations is currently possible due to multiple advancements in reinforcement learning algorithm design. However, this incline in complexity, and furthermore the increase in the dimensions of…

机器学习 · 计算机科学 2023-06-12 Ezgi Korkmaz , Jonah Brown-Cohen