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The paper considers the problem of identifying the sparse different components between two high dimensional means of column-wise dependent random vectors. We show that the dependence can be utilized to lower the identification boundary for…

统计方法学 · 统计学 2014-10-13 Jun Li , Ping-Shou Zhong

Wireless Sensor Networks (WSNs) are extensively used in monitoring applications such as humidity and temperature sensing in smart buildings, industrial automation, and predicting crop health. Sensor nodes are deployed in remote places to…

网络与互联网体系结构 · 计算机科学 2019-09-18 Sara Kassan , Jaafar Gaber , Pascal Lorenz

Contour detection in Wireless Sensor Networks (WSNs) is crucial for tasks like energy saving and network optimization, especially in security and surveillance applications. Coverage holes, where data transmission is not achievable, are a…

网络与互联网体系结构 · 计算机科学 2025-11-04 Jiacheng Xu , Xiongfei Zhao , Hou-Wan Long , Cheong Se-Hang , Yain-Whar Si

Passive sensing techniques based on Wi-Fi signals have emerged as a promising technology in advanced wireless communication systems due to their widespread application and cost-effectiveness. However, the proliferation of low-cost Internet…

系统与控制 · 电气工程与系统科学 2023-11-13 Junshuo Liu , Fuhai Wang , Zhe Li , Rujing Xiong , Tiebin Mi , Robert Caiming Qiu

Detection with high dimensional multimodal data is a challenging problem when there are complex inter- and intra- modal dependencies. While several approaches have been proposed for dependent data fusion (e.g., based on copula theory),…

应用统计 · 统计学 2018-02-14 Thakshila Wimalajeewa , Pramod K. Varshney

Dimensionality reduction is a topic of recent interest. In this paper, we present the classification constrained dimensionality reduction (CCDR) algorithm to account for label information. The algorithm can account for multiple classes as…

机器学习 · 统计学 2009-09-29 Raviv Raich , Jose A. Costa , Steven B. Damelin , Alfred O. Hero

In colocated multiple-input multiple-output (MIMO) radar using compressive sensing (CS), a receive node compresses its received signal via a linear transformation, referred to as measurement matrix. The samples are subsequently forwarded to…

信息论 · 计算机科学 2015-05-27 Y. Yu , A. P. Petropulu , H. V. Poor

Data collection in Wireless Sensor Networks (WSN) draws significant attention, due to emerging interest in technologies raging from Internet of Things (IoT) networks to simple "Presence" applications, which identify the status of the…

信息论 · 计算机科学 2018-10-17 Alejandro Cohen , Asaf Cohen , Omer Gurewitz

This letter proposes a novel distributed compressed estimation scheme for sparse signals and systems based on compressive sensing techniques. The proposed scheme consists of compression and decompression modules inspired by compressive…

信息论 · 计算机科学 2015-02-05 S. Xu , R. C. de Lamare , H. V. Poor

Compressive Sensing (CS) stipulates that a sparse signal can be recovered from a small number of linear measurements, and that this recovery can be performed efficiently in polynomial time. The framework of model-based compressive sensing…

信息论 · 计算机科学 2015-04-22 Chinmay Hegde , Piotr Indyk , Ludwig Schmidt

This paper advocates the use of the emerging distributed compressive sensing (DCS) paradigm in order to deploy energy harvesting (EH) wireless sensor networks (WSN) with practical network lifetime and data gathering rates that are…

信息论 · 计算机科学 2013-10-18 Wei Chen , Yiannis Andreopoulos , Ian J. Wassell , Miguel R. D. Rodrigues

Privacy preservation is an important issue in today's context of extreme penetration of internet and mobile technologies. It is more important in the case of Wireless Sensor Networks (WSNs) where collected data often requires in-network…

密码学与安全 · 计算机科学 2016-11-17 Arijit Ukil

The application of compressive sensing (CS) to structural health monitoring is an emerging research topic. The basic idea in CS is to use a specially-designed wireless sensor to sample signals that are sparse in some basis (e.g. wavelet…

应用统计 · 统计学 2015-03-31 Yong Huang , James L. Beck , Stephen Wu , Hui Li

Compressed sensing is a technique for recovering a high-dimensional signal from lower-dimensional data, whose components represent partial information about the signal, utilizing prior knowledge on the sparsity of the signal. For further…

信息论 · 计算机科学 2014-02-18 Yingying Xu , Yoshiyuki Kabashima

The design of energy and spectrally efficient Wireless Sensor Networks (WSN) is crucial to support the upcoming expansion of IoT/M2M mobile data traffic. In this work, we consider an energy harvesting WSN where sensor data are periodically…

信息论 · 计算机科学 2017-06-26 Megumi Kaneko , Gene Cheung , Weng-tai Su , Chia-Wen Lin

We propose novel compression algorithms for time-varying channel state information (CSI) in wireless communications. The proposed scheme combines (lossy) vector quantisation and (lossless) compression. First, the new vector quantisation…

信息论 · 计算机科学 2022-10-04 Henrique K. Miyamoto , Sheng Yang

In Wireless Sensor Networks, sensors are used for tracking objects, monitoring health and observing a region/territory for different environmental parameters. Coverage problem in sensor network ensures quality of monitoring a given region.…

分布式、并行与集群计算 · 计算机科学 2017-11-16 Dinesh Dash , Anurag Dasgupta

Despite the development of various deep learning methods for Wi-Fi sensing, package loss often results in noncontinuous estimation of the Channel State Information (CSI), which negatively impacts the performance of the learning models. To…

机器学习 · 计算机科学 2024-12-10 Zijian Zhao , Tingwei Chen , Fanyi Meng , Hang Li , Xiaoyang Li , Guangxu Zhu

Motivated by surveillance applications with wireless cameras or drones, we consider the problem of image retrieval over a wireless channel. Conventional systems apply lossy compression on query images to reduce the data that must be…

信息论 · 计算机科学 2020-10-21 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

One of the key issues in the acquisition of sparse data by means of compressed sensing (CS) is the design of the measurement matrix. Gaussian matrices have been proven to be information-theoretically optimal in terms of minimizing the…

信息论 · 计算机科学 2018-11-26 Ahmed Elzanaty , Andrea Giorgetti , Marco Chiani