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eCommerce transaction frauds keep changing rapidly. This is the major issue that prevents eCommerce merchants having a robust machine learning model for fraudulent transactions detection. The root cause of this problem is that rapid…

Applications · Statistics 2018-10-11 Huiying Mao , Yung-wen Liu , Yuting Jia , Jay Nanduri

Fraud detection is essential in financial services, with the potential of greatly reducing criminal activities and saving considerable resources for businesses and customers. We address online fraud detection, which consists of classifying…

Machine Learning · Computer Science 2020-02-17 David Aparício , Ricardo Barata , João Bravo , João Tiago Ascensão , Pedro Bizarro

The large variety of digital payment choices available to consumers today has been a key driver of e-commerce transactions in the past decade. Unfortunately, this has also given rise to cybercriminals and fraudsters who are constantly…

Machine Learning · Computer Science 2021-12-09 Siddharth Vimal , Kanishka Kayathwal , Hardik Wadhwa , Gaurav Dhama

Gaining the trust and confidence of customers is the essence of the growth and success of financial institutions and organizations. Of late, the financial industry is significantly impacted by numerous instances of fraudulent activities.…

Machine Learning · Computer Science 2023-03-10 Yelleti Vivek , Vadlamani Ravi , Abhay Anand Mane , Laveti Ramesh Naidu

In this work, we introduce an innovative autoregressive model leveraging Generative Pretrained Transformer (GPT) architectures, tailored for fraud detection in payment systems. Our approach innovatively confronts token explosion and…

Machine Learning · Computer Science 2023-12-25 Ze Yu Zhao , Zheng Zhu , Guilin Li , Wenhan Wang , Bo Wang

The rapid expansion of e-commerce and the widespread use of credit cards in online purchases and financial transactions have significantly heightened the importance of promptly and accurately detecting credit card fraud (CCF). Not only do…

Risk Management · Quantitative Finance 2025-02-25 Mehdi Hosseini Chagahi , Niloufar Delfan , Saeed Mohammadi Dashtaki , Behzad Moshiri , Md. Jalil Piran

Countless research works of deep neural networks (DNNs) in the task of credit card fraud detection have focused on improving the accuracy of point predictions and mitigating unwanted biases by building different network architectures or…

Detecting the objects in dense and rotated scenes is a challenging task. Recent works on this topic are mostly based on Faster RCNN or Retinanet. As they are highly dependent on the pre-set dense anchors and the NMS operation, the approach…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Zhu Yuke , Ruan Yumeng , Yang Lei , Guo Sheng

Autonomous vehicles are increasingly deployed in safety-critical applications, where sensing failures or cyberphysical attacks can lead to unsafe operations resulting in human loss and/or severe physical damages. Reliable real-time…

Robotics · Computer Science 2026-04-15 Chieh Tsai , Hossein Rastgoftar , Salim Hariri

Loop closures are essential for correcting odometry drift and creating consistent maps, especially in the context of large-scale navigation. Current methods using dense point clouds for accurate place recognition do not scale well due to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Débora N. P. Oliveira , Joshua Knights , Sebastián Barbas Laina , Simon Boche , Wolfram Burgard , Stefan Leutenegger

Continuous generation of streaming data from diverse sources, such as online transactions and digital interactions, necessitates timely fraud detection. Traditional batch processing methods often struggle to capture the rapidly evolving…

Machine Learning · Computer Science 2025-04-15 Vivek Yelleti

The burgeoning e-Commerce sector requires advanced solutions for the detection of transaction fraud. With an increasing risk of financial information theft and account takeovers, deep learning methods have become integral to the embedding…

Machine Learning · Computer Science 2025-05-19 Bo Qu , Zhurong Wang , Minghao Gu , Daisuke Yagi , Yang Zhao , Yinan Shan , Frank Zahradnik

Credit card fraud is assuming growing proportions as a major threat to the financial position of American household, leading to unpredictable changes in household economic behavior. To solve this problem, in this paper, a new hybrid…

Machine Learning · Computer Science 2025-09-25 Zhuqi Wang , Qinghe Zhang , Zhuopei Cheng

Although detection with Transformer (DETR) is increasingly popular, its global attention modeling requires an extremely long training period to optimize and achieve promising detection performance. Alternative to existing studies that…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Zhe Chen , Jing Zhang , Dacheng Tao

Capturing the changing trade pattern is critical in customs fraud detection. As new goods are imported and novel frauds arise, a drift-aware fraud detection system is needed to detect both known frauds and unknown frauds within a limited…

Artificial Intelligence · Computer Science 2022-01-02 Tung-Duong Mai , Kien Hoang , Aitolkyn Baigutanova , Gaukhartas Alina , Sundong Kim

In applied machine learning, concept drift, which is either gradual or abrupt changes in data distribution, can significantly reduce model performance. Typical detection methods,such as statistical tests or reconstruction-based models,are…

Machine Learning · Computer Science 2025-08-12 N Harshit , K Mounvik

While E-commerce has been growing explosively and online shopping has become popular and even dominant in the present era, online transaction fraud control has drawn considerable attention in business practice and academic research.…

Artificial Intelligence · Computer Science 2019-07-30 Junxuan Li , Yung-wen Liu , Yuting Jia , Jay Nanduri

In recent years, the unprecedented growth in digital payments fueled consequential changes in fraud and financial crimes. In this new landscape, traditional fraud detection approaches such as rule-based engines have largely become…

Machine Learning · Computer Science 2021-03-03 E. Kurshan , H. Shen , H. Yu

Given a set of financial transactions (who buys from whom, when, and for how much), as well as prior information from buyers and sellers, how can we find fraudulent transactions? If we have labels for some transactions for known types of…

Machine Learning · Computer Science 2025-10-07 Robson L. F. Cordeiro , Meng-Chieh Lee , Christos Faloutsos

Rotation detection serves as a fundamental building block in many visual applications involving aerial image, scene text, and face etc. Differing from the dominant regression-based approaches for orientation estimation, this paper explores…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Xue Yang , Liping Hou , Yue Zhou , Wentao Wang , Junchi Yan