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This study presents an enhanced multi-fidelity Deep Operator Network (DeepONet) framework for efficient spatio-temporal flow field prediction when high-fidelity data is scarce. Key innovations include: a merge network replacing traditional…

Fluid Dynamics · Physics 2025-07-18 Sunwoong Yang , Youngkyu Lee , Namwoo Kang

State of the art deep learning techniques are known to be vulnerable to evasion attacks where an adversarial sample is generated from a malign sample and misclassified as benign. Detection of encrypted malware command and control traffic…

Cryptography and Security · Computer Science 2020-11-10 Carlos Novo , Ricardo Morla

Audio watermarking is widely used for leaking source tracing. The robustness of the watermark determines the traceability of the algorithm. With the development of digital technology, audio re-recording (AR) has become an efficient and…

Sound · Computer Science 2023-04-04 Chang Liu , Jie Zhang , Han Fang , Zehua Ma , Weiming Zhang , Nenghai Yu

Tor is one of the most popular systems for anonymous communication and censorship circumvention on the web, currently used by millions of users every day. This puts Tor as a target for attacks by organizations and governmental bodies whose…

Cryptography and Security · Computer Science 2019-04-03 Rami Ailabouni , Orr Dunkelman , Sara Bitan

The state-of-the-art deep learning-based object recognition YOLO algorithm and object tracking DeepSORT algorithm are combined to analyze digital images from fluid dynamic simulations of multi-core emulsions and soft flowing crystals and to…

Soft Condensed Matter · Physics 2021-08-26 Mihir Durve , Fabio Bonaccorso , Andrea Montessori , Marco Lauricella , Adriano Tiribocchi , Sauro Succi

Tor is the most widely used anonymity network, currently serving millions of users each day. However, there is no access control in place for all these users, leaving the network vulnerable to botnet abuse and attacks. For example,…

Cryptography and Security · Computer Science 2017-12-19 Zhuotao Liu , Yushan Liu , Philipp Winter , Prateek Mittal , Yih-Chun Hu

Tor provides anonymity online by routing traffic through encrypted tunnels, called circuits, over paths of anonymizing relays. To enable users to connect to their selected destination servers without waiting for the circuit to be build, the…

Cryptography and Security · Computer Science 2017-06-21 Mohsen Imani , Mehrdad Amirabadi , Matthew Wright

Deep learning can be used to classify waveform characteristics (e.g., modulation) with accuracy levels that are hardly attainable with traditional techniques. Recent research has demonstrated that one of the most crucial challenges in…

Networking and Internet Architecture · Computer Science 2020-05-12 Francesco Restuccia , Salvatore D'Oro , Amani Al-Shawabka , Bruno Costa Rendon , Stratis Ioannidis , Tommaso Melodia

The primary objective of an anonymity tool is to protect the anonymity of its users through the implementation of strong encryption and obfuscation techniques. As a result, it becomes very difficult to monitor and identify users activities…

Cryptography and Security · Computer Science 2023-11-29 Javeriah Saleem , Rafiqul Islam , Zahidul Islam

Cybersecurity threats highlight the need for robust network intrusion detection systems to identify malicious behaviour. These systems rely heavily on large datasets to train machine learning models capable of detecting patterns and…

Cryptography and Security · Computer Science 2025-01-14 Daniela Pinto , Ivone Amorim , Eva Maia , Isabel Praça

Correlation filter has been proven to be an effective tool for a number of approaches in visual tracking, particularly for seeking a good balance between tracking accuracy and speed. However, correlation filter based models are susceptible…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Yanchun Xie , Jimin Xiao , Kaizhu Huang , Jeyarajan Thiyagalingam , Yao Zhao

Cyber-attacks continue to grow, both in terms of volume and sophistication. This is aided by an increase in available computational power, expanding attack surfaces, and advancements in the human understanding of how to make attacks…

Cryptography and Security · Computer Science 2021-03-09 Hanan Hindy , Robert Atkinson , Christos Tachtatzis , Ethan Bayne , Miroslav Bures , Xavier Bellekens

Distributed link-flooding attacks constitute a new class of attacks with the potential to segment large areas of the Internet. Their distributed nature makes detection and mitigation very hard. This work proposes a novel framework for the…

Networking and Internet Architecture · Computer Science 2016-11-09 hristos Liaskos , Vasileios Kotronis , Xenofontas Dimitropoulos

State-of-the-art deep learning systems rely on iterative distributed training to tackle the increasing complexity of models and input data. The iteration time in these communication-heavy systems depends on the computation time,…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-05 Sayed Hadi Hashemi , Sangeetha Abdu Jyothi , Roy H. Campbell

As deep neural networks and the datasets used to train them get larger, the default approach to integrating them into research and commercial projects is to download a pre-trained model and fine tune it. But these models can have uncertain…

Machine Learning · Computer Science 2024-01-12 Khondoker Murad Hossain , Tim Oates

The wide deployment of Face Recognition (FR) systems poses privacy risks. One countermeasure is adversarial attack, deceiving unauthorized malicious FR, but it also disrupts regular identity verification of trusted authorizers, exacerbating…

Cryptography and Security · Computer Science 2024-10-24 Yunming Zhang , Dengpan Ye , Caiyun Xie , Sipeng Shen , Ziyi Liu , Jiacheng Deng , Long Tang

Because of the open nature of the Wireless Sensor Networks (WSN), the Denial of the Service (DoS) becomes one of the most serious threats to the stability of the resourceconstrained sensor nodes. In this paper, we develop AccFlow which is…

Cryptography and Security · Computer Science 2019-03-18 Yuan Cao , Lijuan Han , Xiaojin Zhao , Xiaofang Pan

Transformer-based models have dramatically increased their size and parameter count to tackle increasingly complex tasks. At the same time, there is a growing demand for high performance, low-latency inference on devices with limited…

Machine Learning · Computer Science 2026-04-01 Ginés Carreto Picón , Peng Yuan Zhou , Qi Zhang , Alexandros Iosifidis

Internet of Things (IoT) defines a network of devices connected to the internet and sharing a massive amount of data between each other and a central location. These IoT devices are connected to a network therefore prone to attacks. Various…

Networking and Internet Architecture · Computer Science 2021-11-16 Muhammad Basit Umair , Zeshan Iqbal , Muhammad Bilal , Tarik Adnan Almohamad , Jamel Nebhen , Raja Majid Mehmood

The Onion Router (Tor) is a controversial network whose utility is constantly under scrutiny. On the one hand, it allows for anonymous interaction and cooperation of users seeking untraceable navigation on the Internet. This freedom also…

Cryptography and Security · Computer Science 2025-04-24 Alfonso Rodriguez Barredo-Valenzuela , Sergio Pastrana Portillo , Guillermo Suarez-Tangil