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Efficient visual fault detection of freight trains is a critical part of ensuring the safe operation of railways under the restricted hardware environment. Although deep learning-based approaches have excelled in object detection, the…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Yang Zhang , Huilin Pan , Yang Zhou , Mingying Li , Guodong Sun

Recommending cold-start items is a long-standing and fundamental challenge in recommender systems. Without any historical interaction on cold-start items, CF scheme fails to use collaborative signals to infer user preference on these items.…

信息检索 · 计算机科学 2021-07-16 Yinwei Wei , Xiang Wang , Qi Li , Liqiang Nie , Yan Li , Xuanping Li , Tat-Seng Chua

Credit card fraud imposes significant costs on both cardholders and issuing banks. Fraudsters often disguise their crimes, such as using legitimate transactions through several benign users to bypass anti-fraud detection. Existing graph…

机器学习 · 计算机科学 2025-03-04 Yao Zou , Dawei Cheng

A reliable fault diagnosis system should not only accurately classify known health states but also effectively identify unknown faults. In multimode processes, samples belonging to the same health state often show multiple cluster…

机器学习 · 计算机科学 2025-11-13 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Online reviews play a crucial role in deciding the quality before purchasing any product. Unfortunately, spammers often take advantage of online review forums by writing fraud reviews to promote/demote certain products. It may turn out to…

社会与信息网络 · 计算机科学 2019-07-30 Sarthika Dhawan , Siva Charan Reddy Gangireddy , Shiv Kumar , Tanmoy Chakraborty

Fraudulent activity in the financial industry costs billions annually. Detecting fraud, therefore, is an essential yet technically challenging task that requires carefully analyzing large volumes of data. While machine learning (ML)…

统计金融 · 定量金融 2025-07-04 Linh Nguyen , Marcel Boersma , Erman Acar

Financial institutions and businesses face an ongoing challenge from fraudulent transactions, prompting the need for effective detection methods. Detecting credit card fraud is crucial for identifying and preventing unauthorized…

Robust 3D object detection in extreme weather and illumination conditions is a challenging task. While radars and thermal cameras are known for their resilience to these conditions, few studies have been conducted on radar-thermal fusion…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Qiao Yan , Yihan Wang

Credit card fraud detection is a critical challenge in the financial sector, demanding sophisticated approaches to accurately identify fraudulent transactions. This research proposes an innovative methodology combining Neural Networks (NN)…

计算工程、金融与科学 · 计算机科学 2024-05-02 Mengran Zhu , Ye Zhang , Yulu Gong , Changxin Xu , Yafei Xiang

Federated multi-view clustering offers the potential to develop a global clustering model using data distributed across multiple devices. However, current methods face challenges due to the absence of label information and the paramount…

机器学习 · 计算机科学 2024-06-14 Xueming Yan , Ziqi Wang , Yaochu Jin

Existing system dealing with online complaint provides a final decision without explanations. We propose to analyse the complaint text of internet fraud in a fine-grained manner. Considering the complaint text includes multiple clauses with…

计算与语言 · 计算机科学 2021-09-14 Tong Liu , Siyuan Wang , Jingchao Fu , Lei Chen , Zhongyu Wei , Yaqi Liu , Heng Ye , Liaosa Xu , Weiqiang Wan , Xuanjing Huang

With the booming growth of e-commerce, detecting financial fraud has become an urgent task to avoid transaction risks. Despite the successful applications of Graph Neural Networks (GNNs) in fraud detection, the existing solutions are only…

计算工程、金融与科学 · 计算机科学 2022-05-24 Yujie Li , Yuxuan Yang , Xin Yang , Qiang Gao , Fan Zhou

Tax evasion causes severe losses of government revenues and disturbs the economic order of fair competition. To help alleviate this problem, the latest tax evasion detection solutions utilize expert knowledge to extract features and then…

机器学习 · 计算机科学 2026-05-27 Yiming Xu , Bin Shi , Bo Dong , Jiaxiang Wang , Hua Wei , Qinghua Zheng

The spread of fake news has caused great harm to society in recent years. So the quick detection of fake news has become an important task. Some current detection methods often model news articles and other related components as a static…

机器学习 · 计算机科学 2022-05-17 Jin Ho Go , Alina Sari , Jiaojiao Jiang , Shuiqiao Yang , Sanjay Jha

Graph neural networks (GNN) have emerged as a powerful tool for fraud detection tasks, where fraudulent nodes are identified by aggregating neighbor information via different relations. To get around such detection, crafty fraudsters resort…

机器学习 · 计算机科学 2022-02-22 Yajing Liu , Zhengya Sun , Wensheng Zhang

The owner-member relationship between wheels and vehicles contributes significantly to the 3D perception of vehicles, especially in embedded environments. However, to leverage this relationship we must face two major challenges: i)…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Zizhang Wu , Jason Wang , Tianhao Xu , Fan Wang

With the rapid advancement of deep learning in image generation, facial forgery techniques have achieved unprecedented realism, posing serious threats to cybersecurity and information authenticity. Most existing deepfake detection…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Haotian Wu , Yue Cheng , Shan Bian

We present the first active learning tool for fine-grained 3D part labeling, a problem which challenges even the most advanced deep learning (DL) methods due to the significant structural variations among the small and intricate parts. For…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Fenggen Yu , Yiming Qian , Francisca Gil-Ureta , Brian Jackson , Eric Bennett , Hao Zhang

Financial transaction fraud prevention faces challenges such as complex relationship structures, concealed behavioral patterns, and dynamically changing data distribution. Discrimination models relying solely on independent sample features…

机器学习 · 计算机科学 2026-05-14 Yunfei Nie , Jiawei Wang , Ruobing Yan , Yuhan Wang , Zouxiaowei Ma , Yilun Wu

Face forgery by deepfake is widely spread over the internet and has raised severe societal concerns. Recently, how to detect such forgery contents has become a hot research topic and many deepfake detection methods have been proposed. Most…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Hanqing Zhao , Wenbo Zhou , Dongdong Chen , Tianyi Wei , Weiming Zhang , Nenghai Yu