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Defect detection is a critical research area in artificial intelligence. Recently, synthetic data-based self-supervised learning has shown great potential on this task. Although many sophisticated synthesizing strategies exist, little…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Yuxuan Cai , Dingkang Liang , Dongliang Luo , Xinwei He , Xin Yang , Xiang Bai

Recent advances in deep generative models have made it easier to manipulate face videos, raising significant concerns about their potential misuse for fraud and misinformation. Existing detectors often perform well in in-domain scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Yinqi Cai , Jichang Li , Zhaolun Li , Weikai Chen , Rushi Lan , Xi Xie , Xiaonan Luo , Guanbin Li

Credit card has become popular mode of payment for both online and offline purchase, which leads to increasing daily fraud transactions. An Efficient fraud detection methodology is therefore essential to maintain the reliability of the…

Machine Learning · Computer Science 2019-04-25 Xuetong Niu , Li Wang , Xulei Yang

The emergence of deepfake technology has introduced a range of societal problems, garnering considerable attention. Current deepfake detection methods perform well on specific datasets, but exhibit poor performance when applied to datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Lixin Jia , Zhiqing Guo , Gaobo Yang , Liejun Wang , Keqin Li

In recent years, phishing scams have become the crime type with the largest money involved on Ethereum, the second-largest blockchain platform. Meanwhile, graph neural network (GNN) has shown promising performance in various node…

Machine Learning · Computer Science 2021-06-21 Shucheng Li , Fengyuan Xu , Runchuan Wang , Sheng Zhong

Face anti-spoofing is critical to the security of face recognition systems. Depth supervised learning has been proven as one of the most effective methods for face anti-spoofing. Despite the great success, most previous works still…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Zezheng Wang , Zitong Yu , Chenxu Zhao , Xiangyu Zhu , Yunxiao Qin , Qiusheng Zhou , Feng Zhou , Zhen Lei

The proliferation of sophisticated generative AI models has significantly escalated the threat of synthetic manipulations in identity documents, particularly through face swapping and text inpainting attacks. This paper presents…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Chan Naseeb , Adeel Ashraf Cheema , Hassan Sami , Tayyab Afzal , Muhammad Omair , Usman Habib

Data parallelism has emerged as a necessary technique to accelerate the training of deep neural networks (DNN). In a typical data parallelism approach, the local workers push the latest updates of all the parameters to the parameter server…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-09-28 Shizhao Sun , Wei Chen , Jiang Bian , Xiaoguang Liu , Tie-Yan Liu

Due to the decentralized and public nature of the Blockchain ecosystem, the malicious activities on the Ethereum platform impose immeasurable losses for the users. Existing phishing scam detection methods mostly rely only on the analysis of…

Cryptography and Security · Computer Science 2022-08-30 Jinhuan Wang , Pengtao Chen , Xinyao Xu , Jiajing Wu , Meng Shen , Qi Xuan , Xiaoniu Yang

The increasing popularity of web-based applications has led to several critical services being provided over the Internet. This has made it imperative to monitor the network traffic so as to prevent malicious attackers from depleting the…

Networking and Internet Architecture · Computer Science 2011-01-17 Jaydip Sen

Modern financial electronic exchanges are an exciting and fast-paced marketplace where billions of dollars change hands every day. They are also rife with manipulation and fraud. Detecting such activity is a major undertaking, which has…

Machine Learning · Computer Science 2023-09-04 Timothy DeLise

The proliferation of generative video models has made detecting AI-generated and manipulated videos an urgent challenge. Existing detection approaches often fail to generalize across diverse manipulation types due to their reliance on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Haoyu Liu , Chaoyu Gong , Mengke He , Jiate Li , Kai Han , Siqiang Luo

Despite the fact that cryptocurrencies themselves have experienced an astonishing rate of adoption over the last decade, cryptocurrency fraud detection is a heavily under-researched problem area. Of all fraudulent activity regarding…

Machine Learning · Computer Science 2022-05-11 Viswanath Chadalapaka , Kyle Chang , Gireesh Mahajan , Anuj Vasil

Credit cards play an exploding role in modern economies. Its popularity and ubiquity have created a fertile ground for fraud, assisted by the cross boarder reach and instantaneous confirmation. While transactions are growing, the fraud…

Cryptography and Security · Computer Science 2022-08-24 Gayan K. Kulatilleke

In this paper, we propose a novel image forgery detection paradigm for boosting the model learning capacity on both forgery-sensitive and genuine compact visual patterns. Compared to the existing methods that only focus on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Zenan Shi , Haipeng Chen , Long Chen , Dong Zhang

The sharing of microdata, such as fund holdings and derivative instruments, by regulatory institutions presents a unique challenge due to strict data confidentiality and privacy regulations. These challenges often hinder the ability of both…

Machine Learning · Computer Science 2023-09-06 Timur Sattarov , Marco Schreyer , Damian Borth

Copy-move forgery detection aims at detecting duplicated regions in a suspected forged image, and deep learning based copy-move forgery detection methods are in the ascendant. These deep learning based methods heavily rely on synthetic…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Yaqi Liu , Chao Xia , Song Xiao , Qingxiao Guan , Wenqian Dong , Yifan Zhang , Nenghai Yu

While graph-derived signals are widely used in tabular learning, existing studies typically rely on limited experimental setups and average performance comparisons, leaving the statistical reliability and robustness of observed gains…

Artificial Intelligence · Computer Science 2026-03-17 Mario Heidrich , Jeffrey Heidemann , Rüdiger Buchkremer , Gonzalo Wandosell Fernández de Bobadilla

We optimize pipeline parallelism for deep neural network (DNN) inference by partitioning model graphs into $k$ stages and minimizing the running time of the bottleneck stage, including communication. We give practical and effective…

Machine Learning · Computer Science 2024-06-05 Aaron Archer , Matthew Fahrbach , Kuikui Liu , Prakash Prabhu

Deploying deep neural networks (DNNs) on resource-constrained mobile devices presents significant challenges, particularly in achieving real-time performance while simultaneously coping with limited computational resources and battery life.…

Networking and Internet Architecture · Computer Science 2025-09-24 Zekai Sun , Xiuxian Guan , Zheng Lin , Zihan Fang , Xiangming Cai , Zhe Chen , Fangming Liu , Heming Cui , Jie Xiong , Wei Ni , Chau Yuen