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LOFAR is a low-frequency array distributed across several European countries. Each LOFAR station contains thousands of antennas and associated electronics, making monitoring and thorough testing of those components essential to ensuring…

Instrumentation and Methods for Astrophysics · Physics 2025-03-06 Jun Wang , M. J. Norden , P. Donker

Given a stream of entries in a multi-aspect data setting i.e., entries having multiple dimensions, how can we detect anomalous activities in an unsupervised manner? For example, in the intrusion detection setting, existing work seeks to…

Machine Learning · Computer Science 2021-06-09 Siddharth Bhatia , Arjit Jain , Pan Li , Ritesh Kumar , Bryan Hooi

Anomaly detection in videos has been attracting an increasing amount of attention. Despite the competitive performance of recent methods on benchmark datasets, they typically lack desirable features such as modularity, cross-domain…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Keval Doshi , Yasin Yilmaz

Gathering data and identifying events in various traffic situations remains an essential challenge for the systematic evaluation of a perception system's performance. Analyzing large-scale, typically unstructured, multi-modal, time series…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Tayssir Bouraffa , Elias Kjellberg Carlson , Erik Wessman , Ali Nouri , Pierre Lamart , Christian Berger

The expansion of the electronic commerce, together with an increasing confidence of customers in electronic payments, makes of fraud detection a critical factor. Detecting frauds in (nearly) real time setting demands the design and the…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-09-27 Fabrizio Carcillo , Andrea Dal Pozzolo , Yann-Aël Le Borgne , Olivier Caelen , Yannis Mazzer , Gianluca Bontempi

When computation is outsourced, the data owner would like to be assured that the desired computation has been performed correctly by the service provider. In theory, proof systems can give the necessary assurance, but prior work is not…

Databases · Computer Science 2011-10-03 Graham Cormode , Justin Thaler , Ke Yi

Location of non-stationary forced oscillation (FO) sources can be a challenging task, especially in cases under resonance condition with natural system modes, where the magnitudes of the oscillations could be greater in places far from the…

Systems and Control · Electrical Eng. & Systems 2022-03-22 Pablo Gill Estevez , Pablo Marchi , Francisco Messina , Cecilia Galarza

An improved version of stream arbitration based on multiband RF interconnect (MRFI) is proposed. Thanks to the simultaneous multiple channel transmitting/receiving feature of MRFI, dynamic bandwidth allocation is achieved in the proposed…

Emerging Technologies · Computer Science 2017-02-16 Rex Lee , Yilei Li

The Internet has been weaponized to carry out cybercriminal activities at an unprecedented pace. The rising concerns for preserving the privacy of personal data while availing modern tools and technologies is alarming. End-to-end encrypted…

Cryptography and Security · Computer Science 2020-09-07 Priyanka Singh

Deepfake detection is a critical task in identifying manipulated multimedia content. In real-world scenarios, deepfake content can manifest across multiple modalities, including audio and video. To address this challenge, we present…

Artificial Intelligence · Computer Science 2025-12-04 Xin Zhang , Jiaming Chu , Jian Zhao , Yuchu Jiang , Xu Yang , Lei Jin , Chi Zhang , Xuelong Li

Face anti-spoofing is significant to the security of face recognition systems. Previous works on depth supervised learning have proved the effectiveness for face anti-spoofing. Nevertheless, they only considered the depth as an auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Zezheng Wang , Chenxu Zhao , Yunxiao Qin , Qiusheng Zhou , Guojun Qi , Jun Wan , Zhen Lei

Multi-face deepfake videos are becoming increasingly prevalent, often appearing in natural social settings that challenge existing detection methods. Most current approaches excel at single-face detection but struggle in multi-face…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Juan Hu , Shaojing Fan , Terence Sim

Autonomous driving requires the model to perceive the environment and (re)act within a low latency for safety. While past works ignore the inevitable changes in the environment after processing, streaming perception is proposed to jointly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jinrong Yang , Songtao Liu , Zeming Li , Xiaoping Li , Jian Sun

Log anomaly detection (LAD) is essential to ensure safe and stable operation of software systems. Although current LAD methods exhibit significant potential in addressing challenges posed by unstable log events and temporal sequence…

Software Engineering · Computer Science 2024-10-23 Jiyu Tian , Mingchu Li , Zumin Wang , Liming Chen , Jing Qin , Runfa Zhang

Classical streaming algorithms operate under the (not always reasonable) assumption that the input stream is fixed in advance. Recently, there is a growing interest in designing robust streaming algorithms that provide provable guarantees…

Data Structures and Algorithms · Computer Science 2022-09-27 Idan Attias , Edith Cohen , Moshe Shechner , Uri Stemmer

Deep learning algorithms have pushed the boundaries of computer vision research and have depicted commendable performance in a variety of applications. However, training a robust deep neural network necessitates a large amount of labeled…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Debanjan Goswami , Shayok Chakraborty

In today's digital landscape, video content dominates internet traffic, underscoring the need for efficient video processing to support seamless live streaming experiences on platforms like YouTube Live, Twitch, and Facebook Live. This…

Multimedia · Computer Science 2024-11-25 Zahra Nabizadeh , Maedeh Jamali , Nader Karimi , Shadrokh Samavi , Shahram Shirani

Multistream classification poses significant challenges due to the necessity for rapid adaptation in dynamic streaming processes with concept drift. Despite the growing research outcomes in this area, there has been a notable oversight…

Machine Learning · Computer Science 2024-01-02 En Yu , Jie Lu , Bin Zhang , Guangquan Zhang

Live streaming platforms require real-time monitoring and reaction to social signals, utilizing partial and asynchronous evidence from video, text, and audio. We propose StreamSense, a streaming detector that couples a lightweight streaming…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Han Wang , Deyi Ji , Lanyun Zhu , Jiebo Luo , Roy Ka-Wei Lee

Face spoofing causes severe security threats in face recognition systems. Previous anti-spoofing works focused on supervised techniques, typically with either binary or auxiliary supervision. Most of them suffer from limited robustness and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Chengwei Chen , Wang Yuan , Xuequan Lu , Lizhuang Ma