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A Bloom Filter is a probabilistic data structure designed to check, rapidly and memory-efficiently, whether an element is present in a set. It has been vastly used in various computing areas and several variants, allowing deletions, dynamic…

Data Structures and Algorithms · Computer Science 2023-06-13 Ana Rodrigues , Ariel Shtul , Carlos Baquero , Paulo Sérgio Almeida

Bloom Filter is an important probabilistic data structure to reduce memory consumption for membership filters. It is applied in diverse domains such as Computer Networking, Network Security and Privacy, IoT, Edge Computing, Cloud Computing,…

Data Structures and Algorithms · Computer Science 2021-09-09 Sabuzima Nayak , Ripon Patgiri

Tag signal detection is one of the key tasks in ambient backscatter communication (AmBC) systems. However, obtaining perfect channel state information (CSI) is challenging and costly, which makes AmBC systems suffer from a high bit error…

Signal Processing · Electrical Eng. & Systems 2020-11-16 Chang Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Ying-Chang Liang

We introduce a novel ridge detection algorithm for time-frequency (TF) analysis, particularly tailored for intricate nonstationary time series encompassing multiple non-sinusoidal oscillatory components. The algorithm is rooted in the…

Numerical Analysis · Mathematics 2024-08-20 Yan-Wei Su , Gi-Ren Liu , Yuan-Chung Sheu , Hau-Tieng Wu

We consider the paradigm of unsupervised anomaly detection, which involves the identification of anomalies within a dataset in the absence of labeled examples. Though distance-based methods are top-performing for unsupervised anomaly…

Machine Learning · Statistics 2025-08-04 Yuchao Cai , Hanfang Yang , Yuheng Ma , Hanyuan Hang

Real-time object tracking necessitates a delicate balance between speed and accuracy, a challenge exacerbated by the computational demands of deep learning methods. In this paper, we propose Confidence-Triggered Detection (CTD), an…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Zhicheng Ding , Zhixin Lai , Siyang Li , Panfeng Li , Qikai Yang , Edward Wong

Radio frequency identification (RFID), The real-time location of objects and ability to track motion provide a wide range of useful applications in areas such as safety, security and supply chain. In recent years, radio frequency…

Computers and Society · Computer Science 2018-04-02 Hakan Yilmaz , Osman Nacar , Ozgur Sezgin , Erkan Bostanci , Mehmet Serdar Guzel

Time series anomaly detection is a challenging problem due to the complex temporal dependencies and the limited label data. Although some algorithms including both traditional and deep models have been proposed, most of them mainly focus on…

Machine Learning · Computer Science 2023-03-28 Chaoli Zhang , Tian Zhou , Qingsong Wen , Liang Sun

A novel topological-data-analytical (TDA) method is proposed to distinguish, from noise, small holes surrounded by high-density regions of a probability density function. The proposed method is robust against additive noise and outliers.…

Statistics Theory · Mathematics 2024-04-02 Chunyin Siu , Gennady Samorodnitsky , Christina Lee Yu , Andrey Yao

This work concerns physical layer collision recovery for cheap sensors with allowed variations in frequency and delay of their communications. The work is presented as a generic, communication theoretic framework and demonstrated using UHF…

Networking and Internet Architecture · Computer Science 2010-12-22 Karsten Fyhn , Rasmus M. Jacobsen , Petar Popovski , Anna Scaglione , Torben Larsen

Graph Anomaly Detection (GAD) aims to identify nodes that deviate from the majority within a graph, playing a crucial role in applications such as social networks and e-commerce. Despite the current advancements in deep learning-based GAD,…

Machine Learning · Computer Science 2025-08-20 Yunfeng Zhao , Yixin Liu , Shiyuan Li , Qingfeng Chen , Yu Zheng , Shirui Pan

In modern Very Large Scale Integrated (VLSI) circuit design flow, the Register-Transfer Level (RTL) stage presents a critical opportunity for timing optimization. Addressing timing violations at this early stage is essential, as modern…

Hardware Architecture · Computer Science 2025-08-20 Wenhao Lv , Yingjie Xia , Xiyuan Chen , Li Kuang

The fine timing measurement (FTM) protocol is designed to determine precise ranging between Wi-Fi devices using round-trip time (RTT) measurements. However, the multipath propagation of radio waves generates inaccurate timing information,…

Networking and Internet Architecture · Computer Science 2021-12-30 Jeongsik Choi

The occurrence of manufacturing defects in wind turbine blade (WTB) production can result in significant increases in operation and maintenance costs and lead to severe and disastrous consequences. Therefore, inspection during the…

Signal Processing · Electrical Eng. & Systems 2023-06-21 Gaëtan Frusque , Daniel Mitchell , Jamie Blanche , David Flynn , Olga Fink

This work presents a new frequency acquisition method using semi-rotational frequency detection (SRFD) algorithm for a reference-less clock and data recovery (CDR) in a serial-link receiver. The proposed SRFD algorithm classifies the…

Signal Processing · Electrical Eng. & Systems 2019-05-02 Soon-Won Kwon , Hanho Choi , Younho Jeon , Bongjin Kim , WooHyun Kwon , Homin Park , Kyeongha Kwon , Gain Kim , Hyeon-Min Bae

Time series anomaly detection (TSAD) focuses on identifying whether observations in streaming data deviate significantly from normal patterns. With the prevalence of connected devices, anomaly detection on time series has become paramount,…

Machine Learning · Computer Science 2025-06-11 Samy-Melwan Vilhes , Gilles Gasso , Mokhtar Z Alaya

Internet-of-Things (IoT) is rapidly growing in wireless technology, aiming to connect vast numbers of devices to gather and distribute vital information. Despite individual devices having low energy consumption, the cumulative demand…

Information Theory · Computer Science 2023-12-08 Shayan Zargari , Azar Hakimi , Fatemeh Rezaei , Chintha Tellambura , Amine Maaref

The trend toward Microgrids (MGs) is significantly increasing by employing Distributed Generators (DGs) which leads to new challenges, especially in the fault detection. This paper proposes an algorithm based on the Total Harmonic…

Systems and Control · Electrical Eng. & Systems 2023-03-29 Wael Al Hanaineh , Jose Matas , Jorge. El mariachet , Josep. M. Guerrero

Implementation of a sustainable security architecture has been quite a challenging task with several technology deployed to achieve the feat. Automatic IDentification (Auto-ID) procedures exist to provide information about people, animals,…

Systems and Control · Electrical Eng. & Systems 2023-04-11 Shakiru Olajide Kassim , Aisha Samaila Idriss , Abdullahi Isa Ahmed

Iterative detection and decoding (IDD) is known to achieve near-capacity performance in multi-antenna wireless systems. We propose deep-unfolded interleaved detection and decoding (DUIDD), a new paradigm that reduces the complexity of IDD…

Information Theory · Computer Science 2022-12-16 Reinhard Wiesmayr , Chris Dick , Jakob Hoydis , Christoph Studer