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Offline Reinforcement Learning (RL) enables policy optimization from static datasets but is inherently vulnerable to backdoor attacks. Existing attack strategies typically struggle against safety-constrained algorithms (e.g., CQL) due to…

机器学习 · 计算机科学 2026-01-16 Yuanjie Zhao , Junnan Qiu , Yue Ding , Jie Li

Category imbalance is one of the most popular and important issues in the domain of classification. Emotion classification model trained on imbalanced datasets easily leads to unreliable prediction. The traditional machine learning method…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Lu Jiang , Qi Wang , Yuhang Chang , Jianing Song , Haoyue Fu , Xiaochun Yang

Big data powered Deep Learning (DL) and its applications have blossomed in recent years, fueled by three technological trends: a large amount of digitized data openly accessible, a growing number of DL software frameworks in open source and…

性能 · 计算机科学 2019-08-20 Yanzhao Wu , Ling Liu , Calton Pu , Wenqi Cao , Semih Sahin , Wenqi Wei , Qi Zhang

Owing to the low communication costs and privacy-promoting capabilities, Federated Learning (FL) has become a promising tool for training effective machine learning models among distributed clients. However, with the distributed…

机器学习 · 计算机科学 2021-08-03 Chuan Ma , Jun Li , Ming Ding , Kang Wei , Wen Chen , H. Vincent Poor

This paper provides a review of past approaches to the use of deep-learning frameworks for the analysis of discrete irregular-patterned complex sequential datasets. A typical example of such a dataset is financial data where specific events…

机器学习 · 计算机科学 2020-07-23 Kudakwashe Dandajena , Isabella M. Venter , Mehrdad Ghaziasgar , Reg Dodds

Background: When using deep learning models, there are many possible vulnerabilities and some of the most worrying are the adversarial inputs, which can cause wrong decisions with minor perturbations. Therefore, it becomes necessary to…

软件工程 · 计算机科学 2024-01-12 Francisco Durán López , Silverio Martínez-Fernández , Michael Felderer , Xavier Franch

This script offers an implementation-oriented introduction to deep learning methods for solving and estimating high-dimensional dynamic stochastic models in economics and finance. Its starting point is the curse of dimensionality:…

综合经济学 · 经济学 2026-05-15 Simon Scheidegger

Deep learning has achieved state-of-the-art performance on several computer vision tasks and domains. Nevertheless, it still has a high computational cost and demands a significant amount of parameters. Such requirements hinder the use in…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Samuel Felipe dos Santos , Rodrigo Berriel , Thiago Oliveira-Santos , Nicu Sebe , Jurandy Almeida

The main goal of this research is to produce a useful software for United Nations (UN), that could help to speed up the process of qualifying the UN documents following the Sustainable Development Goals (SDGs) in order to monitor the…

信息检索 · 计算机科学 2021-09-14 Francesco Sovrano , Monica Palmirani , Fabio Vitali

Deep learning (DL) techniques are highly effective for defect detection from images. Training DL classification models, however, requires vast amounts of labeled data which is often expensive to collect. In many cases, not only the…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Adrian Shuai Li , Elisa Bertino , Rih-Teng Wu , Ting-Yan Wu

Most of the existing learning models, particularly deep neural networks, are reliant on large datasets whose hand-labeling is expensive and time demanding. A current trend is to make the learning of these models frugal and less dependent on…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Sebastien Deschamps , Hichem Sahbi

Stress analysis of heterogeneous media, like composite materials, using Finite Element Analysis (FEA) has become commonplace in design and analysis. However, determining stress distributions in heterogeneous media using FEA can be…

应用物理 · 物理学 2021-04-22 Haotian Feng , Pavana Prabhakar

Traditional data quality control methods are based on users experience or previously established business rules, and this limits performance in addition to being a very time consuming process with lower than desirable accuracy. Utilizing…

人工智能 · 计算机科学 2018-10-17 Wei Dai , Kenji Yoshigoe , William Parsley

Majorly classical Active Learning (AL) approach usually uses statistical theory such as entropy and margin to measure instance utility, however it fails to capture the data distribution information contained in the unlabeled data. This can…

机器学习 · 计算机科学 2020-12-10 Patrick K. Gikunda , Nicolas Jouandeau

Despite extensive research spanning several decades, class imbalance is still considered a profound difficulty for both machine learning and deep learning models. While data oversampling is the foremost technique to address this issue,…

机器学习 · 计算机科学 2025-02-12 Sukumar Kishanthan , Asela Hevapathige

In distributed optimization, the practical problem-solving performance is essentially sensitive to algorithm selection, parameter setting, problem type and data pattern. Thus, it is often laborious to acquire a highly efficient method for a…

最优化与控制 · 数学 2024-01-04 Daokuan Zhu , Tianqi Xu , Jie Lu

Under extreme operating conditions, characterized by high particle multiplicity and heavily overlapping shower energy deposits, classical particle flow algorithms encounter pronounced limitations in resolution, efficiency, and accuracy. To…

仪器与探测器 · 物理学 2025-05-13 Yu Wang , Yangguang Zhang , Shengxiang Lin , Xingyi Zhang , Han Zhang

Deep learning has proven to be a highly effective tool for a wide range of applications, significantly when leveraging the power of multi-loss functions to optimize performance on multiple criteria simultaneously. However, optimal selection…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Amin Golnari , Mostafa Diba

Object recognition is a key enabler across industry and defense. As technology changes, algorithms must keep pace with new requirements and data. New modalities and higher resolution sensors should allow for increased algorithm robustness.…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Samuel Rivera , Joel Klipfel , Deborah Weeks

Deep learning techniques have been widely used in autonomous driving systems for the semantic understanding of urban scenes. However, they need a huge amount of labeled data for training, which is difficult and expensive to acquire. A…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Umberto Michieli , Matteo Biasetton , Gianluca Agresti , Pietro Zanuttigh