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Live streaming platforms need to store a lot of recorded live videos on a daily basis. An important problem is how to automatically extract highlights (i.e., attractive short video clips) from these massive, long recorded live videos. One…

Databases · Computer Science 2019-10-29 Ruochen Jiang , Changbo Qu , Jiannan Wang , Chi Wang , Yudian Zheng

The rise of ad-blockers is viewed as an economic threat by online publishers, especially those who primarily rely on ad- vertising to support their services. To address this threat, publishers have started retaliating by employing ad-block…

Cryptography and Security · Computer Science 2016-05-20 Muhammad Haris Mughees , Zhiyun Qian , Zubair Shafiq , Karishma Dash , Pan Hui

Credit card fraud detection is a very challenging problem because of the specific nature of transaction data and the labeling process. The transaction data is peculiar because they are obtained in a streaming fashion, they are strongly…

Machine Learning · Computer Science 2018-04-23 Fabirzio Carcillo , Yann-Aël Le Borgne , Olivier Caelen , Gianluca Bontempi

Recent years have seen a sharp rise in adblocker use, driven by increased web tracking and personalized ads. However, a significant issue for adblocker users is the web breakages they encounter, which worsens their browsing experience and…

Cryptography and Security · Computer Science 2024-11-01 Ritik Roongta , Mitchell Zhou , Ben Stock , Rachel Greenstadt

Due to the widespread use of smartphones with high-quality digital cameras and easy access to a wide range of software apps for recording, editing, and sharing videos and images, as well as the deep learning AI platforms, a new phenomenon…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Nikhil Sontakke , Sejal Utekar , Shivansh Rastogi , Shriraj Sonawane

This paper contributes to the ongoing discussions on the scholarly access to social media data, discussing a case where this access is barred despite its value for understanding and countering online disinformation and despite the absence…

Social and Information Networks · Computer Science 2022-10-04 Maria Castaldo , Paolo Frasca , Tommaso Venturini , Floriana Gargiulo

Micropayment channels are the most prominent solution to the limitation on transaction throughput in current blockchain systems. However, in practice channels are risky because participants have to be online constantly to avoid fraud, and…

Cryptography and Security · Computer Science 2018-12-03 Georgia Avarikioti , Felix Laufenberg , Jakub Sliwinski , Yuyi Wang , Roger Wattenhofer

Empowered by today's rich tools for media generation and collaborative production, the multimedia service paradigm is shifting from the conventional single source, to multi-source, to many sources, and now toward {\em crowdsource}. Such…

Multimedia · Computer Science 2015-02-24 Cong Zhang , Jiangchuan Liu

Nowadays, live video streaming events have become a mainstay in viewer's communication in large international enterprises. Provided that viewers are distributed worldwide, the main challenge resides on how to schedule the optimal event's…

Artificial Intelligence · Computer Science 2021-06-22 Stefanos Antaris , Dimitrios Rafailidis , Romina Arriaza

The growing trend of sharing news/contents, through social media platforms and the World Wide Web has been seen to impact our perception of the truth, altering our views about politics, economics, relationships, needs and wants. This is…

Cryptography and Security · Computer Science 2020-09-01 Zakwan Jaroucheh , Mohamad Alissa , William J Buchanan

Federated learning (FL) is a promising way to allow multiple data owners (clients) to collaboratively train machine learning models without compromising data privacy. Yet, existing FL solutions usually rely on a centralized aggregator for…

Cryptography and Security · Computer Science 2022-11-09 Nanqing Dong , Jiahao Sun , Zhipeng Wang , Shuoying Zhang , Shuhao Zheng

Influencer Marketing generated $16 billion in 2022. Usually, the more popular influencers are paid more for their collaborations. Thus, many services were created to boost profiles' popularity metrics through bots or fake accounts. However,…

Social and Information Networks · Computer Science 2023-04-06 Pier Paolo Tricomi , Sousan Tarahomi , Christian Cattai , Francesco Martini , Mauro Conti

Facial attractiveness prediction (FAP) has long been an important computer vision task, which could be widely applied in live streaming for facial retouching, content recommendation, etc. However, previous FAP datasets are either small,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Hui Li , Xiaoyu Ren , Hongjiu Yu , Huiyu Duan , Kai Li , Ying Chen , Libo Wang , Xiongkuo Min , Guangtao Zhai , Xu Liu

We formulate the problem of online temporal action detection in live streaming videos, acknowledging one important property of live streaming videos that there is normally a broadcast delay between the latest captured frame and the actual…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Bowen Zhang , Hao Chen , Meng Wang , Yuanjun Xiong

With the rise of AI-enabled Real-Time Deepfakes (RTDFs), the integrity of online video interactions has become a growing concern. RTDFs have now made it feasible to replace an imposter's face with their victim in live video interactions.…

Cryptography and Security · Computer Science 2024-05-27 Govind Mittal , Chinmay Hegde , Nasir Memon

As generative artificial intelligence technologies like Stable Diffusion advance, visual content becomes more vulnerable to misuse, raising concerns about copyright infringement. Visual watermarks serve as effective protection mechanisms,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Junxian Duan , Jiyang Guan , Wenkui Yang , Ran He

Video continues to dominate network traffic, yet operators today have poor visibility into the number, duration, and resolutions of the video streams traversing their domain. Current approaches are inaccurate, expensive, or unscalable, as…

Networking and Internet Architecture · Computer Science 2023-01-18 Hassan Habibi Gharakheili , Minzhao Lyu , Yu Wang , Himal Kumar , Vijay Sivaraman

The recent emergence of machine-manipulated media raises an important societal question: how can we know if a video that we watch is real or fake? In two online studies with 15,016 participants, we present authentic videos and deepfakes and…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Matthew Groh , Ziv Epstein , Chaz Firestone , Rosalind Picard

Phishing is a widespread scam activity on Ethereum, causing huge financial losses to victims. Most existing phishing scam detection methods abstract accounts on Ethereum as nodes and transactions as edges, then use manual statistics of…

Social and Information Networks · Computer Science 2023-06-30 Wenjia Yu , Yijun Xia , Jieli Liu , Jiajing Wu

These days, there are many ways to watch streaming videos on television. When compared to a standalone smart television, streaming devices such as Roku and Amazon Fire Stick have a plethora of app selections. While these devices are…

Cryptography and Security · Computer Science 2024-02-13 Sundar Krishnan , William Bradley Glisson