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This paper considers the problem of recovering signals modeled by generative models from linear measurements contaminated with sparse outliers. We propose an outlier detection approach for reconstructing the ground-truth signals modeled by…

Machine Learning · Statistics 2023-10-17 Jirong Yi , Jingchao Gao , Tianming Wang , Xiaodong Wu , Weiyu Xu

Wireless sensor networks have attracted a lot of interest over the last decade in wireless and mobile computing research community. Applications of these networks are numerous and growing, which range from indoor deployment scenarios in the…

Cryptography and Security · Computer Science 2013-01-23 Jaydip Sen

One of the main challenges facing wireless sensor networks (WSNs) is the limited power resources available at small sensor nodes. It is therefore desired to reduce the power consumption of sensors while keeping the distortion between the…

Information Theory · Computer Science 2015-05-15 Seyed Hamed Mousavi , Javad Haghighat , Walaa Hamouda , Reza Dastbasteh

Since we are not able to replace the battery in a wireless sensor networks (WSNs), the issues of energy and lifetime are the most important parameters. In asymmetrical networks, different sensors with various abilities are used. Super…

Networking and Internet Architecture · Computer Science 2013-05-15 Mostafa Azami , Manij Ranjbar , Ali Shokouhi rostami , Amir Jahani Amiri

Existing anomaly and intrusion detection schemes of wireless sensor networks have mainly focused on the detection of intrusions. Once the intrusion is detected, an alerts or claims will be generated. However, any unidentified malicious…

Cryptography and Security · Computer Science 2009-12-31 Riaz Ahmed Shaikh , Hassan Jameel , Brian J. d Auriol , Heejo Lee , Sungyoung Lee , Young-Jae Song

With the expansion of wireless sensor networks (WSNs), the need for securing the data flow through these networks is increasing. These sensor networks allow for easy-to-apply and flexible installations which have enabled them to be used for…

Networking and Internet Architecture · Computer Science 2013-01-15 Muhammad Yasir Malik

Wireless energy harvesting is regarded as a promising energy supply alternative for energy-constrained wireless networks. In this paper, a new wireless energy harvesting protocol is proposed for an underlay cognitive relay network with…

Information Theory · Computer Science 2016-01-12 Yuanwei Liu , S. Ali Mousavifar , Yansha Deng , Cyril Leung , Maged Elkashlan

In this paper, we combat the problem of performance optimization in wireless sensor networks. Specifically, a novel framework is proposed to handle two major research issues. Firstly, we optimize the utilization of resources available to…

Networking and Internet Architecture · Computer Science 2017-12-13 Muzammil Behzad , Manal Abdullah , Muhammad Talal Hassan , Yao Ge , Mahmood Ashraf Khan

The availability of inexpensive devices allows nowadays to implement cognitive radio functionalities in large-scale networks such as the internet-of-things and future mobile cellular systems. In this paper, we focus on wideband spectrum…

Signal Processing · Electrical Eng. & Systems 2019-08-01 Andrea Mariani , Andrea Giorgetti , Marco Chiani

Many computer vision tasks involve processing large amounts of data contaminated by outliers, which need to be detected and rejected. While outlier detection methods based on robust statistics have existed for decades, only recently have…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Chong You , Daniel P. Robinson , René Vidal

Human operators often diagnose industrial machinery via anomalous sounds. Automated acoustic anomaly detection can lead to reliable maintenance of machinery. However, deep learning-driven anomaly detection methods often require an extensive…

Sound · Computer Science 2021-04-20 Saad Abbasi , Mahmoud Famouri , Mohammad Javad Shafiee , Alexander Wong

Wireless sensor networks have been increasingly used for real-time surveillance over large areas. In such applications, it is important to support end-to-end delay constraints for packet deliveries even when the corresponding flows require…

Networking and Internet Architecture · Computer Science 2012-04-23 I-Hong Hou

Automated wireless spectrum monitoring across frequency, time and space will be essential for many future applications. Manual and fine-grained spectrum analysis is becoming impossible because of the large number of measurement locations…

Signal Processing · Electrical Eng. & Systems 2019-03-14 Sreeraj Rajendran , Vincent Lenders , Wannes Meert , Sofie Pollin

Security of Wireless sensor network (WSN) becomes a very important issue with the rapid development of WSN that is vulnerable to a wide range of attacks due to deployment in the hostile environment and having limited resources. Intrusion…

Networking and Internet Architecture · Computer Science 2012-03-02 Tapalina Bhattasali , Rituparna Chaki

In this work, we consider the usage of wireless sensor networks (WSN) to monitor an area of interest, in order to diagnose on real time its state. Each sensor node forwards information about relevant features towards the sink where the data…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-08-22 Ahmad Farhat , Abdallah Makhoul , Christophe Guyeux , Rami Tawil , Ali Jaber , Abbas Hijazi

Wireless signals contain transmitter specific features, which can be used to verify the identity of transmitters and assist in implementing an authentication and authorization system. Most recently, there has been wide interest in using…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Samer Hanna , Samurdhi Karunaratne , Danijela Cabric

Due to imperfections in transmitters' hardware, wireless signals can be used to verify their identity in an authorization system. While deep learning was proposed for transmitter identification, the majority of the work has focused on…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Samer Hanna , Samurdhi Karunaratne , Danijela Cabric

Today, the advancements in urban technology have transformed into the concept of smart cities. These smart cities are envisioned to be heavily dependent on wireless sensor networks and internet of things. In this context, a number of…

Networking and Internet Architecture · Computer Science 2019-06-10 Mohsin Khalil , Ammar Khalid , Farid Ullah Khan , Akmal Shabbir

Wireless Sensor Networks (WSNs) experiences several technical challenges such as limited energy, short transmission range, limited storage capacities, and limited computational capabilities. Moreover, the sensor nodes are deployed randomly…

Networking and Internet Architecture · Computer Science 2019-03-11 Trupti. M. Behera , Sushanta. K. Mohapatra , Umesh. C. Samal , Mohammad. S. Khan

This paper presents a new approach for detecting outliers by introducing the notion of object's proximity. The main idea is that normal point has similar characteristics with several neighbors. So the point in not an outlier if it has a…

Computer Vision and Pattern Recognition · Computer Science 2014-11-26 Amina Dik , Khalid Jebari , Abdelaziz Bouroumi , Aziz Ettouhami
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