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Related papers: Wi-Fi Passive Person Re-Identification based on Ch…

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The reconfigurable intelligent surface (RIS) with low hardware cost and energy consumption has been recognized as a potential technique for future 6G communications to enhance coverage and capacity. To achieve this goal, accurate channel…

Information Theory · Computer Science 2021-01-26 Xiuhong Wei , Decai Shen , Linglong Dai

Person re-identification is a critical privacy attack in publicly shared healthcare data as per Health Insurance Portability and Accountability Act (HIPAA) privacy rule. In this paper, we investigate the possibility of a new type of privacy…

Cryptography and Security · Computer Science 2021-06-23 Mohammad Arif Ul Alam

The accurate estimation of Channel State Information (CSI) is of crucial importance for the successful operation of Multiple-Input Multiple-Output (MIMO) communication systems, especially in a Multi-User (MU) time-varying environment and…

Information Theory · Computer Science 2022-02-22 Jide Yuan , George C. Alexandropoulos , Eleftherios Kofidis , Tobias Lindstrm Jensen , Elisabeth De Carvalho

Wi-Fi sensing leveraging plain-text beamforming feedback information (BFI) in multiple-input-multiple-output (MIMO) systems attracts increasing attention. However, due to the implicit relationship between BFI and the channel state…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Xin Li , Jingzhi Hu , Jun Luo

Fine-grained person perception such as body segmentation and pose estimation has been achieved with many 2D and 3D sensors such as RGB/depth cameras, radars (e.g., RF-Pose) and LiDARs. These sensors capture 2D pixels or 3D point clouds of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Fei Wang , Sanping Zhou , Stanislav Panev , Jinsong Han , Dong Huang

Person re-identification (Re-ID) aims at retrieving a person of interest across multiple non-overlapping cameras. With the advancement of deep neural networks and increasing demand of intelligent video surveillance, it has gained…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Mang Ye , Jianbing Shen , Gaojie Lin , Tao Xiang , Ling Shao , Steven C. H. Hoi

Smartphone apps for exposure notification and contact tracing have been shown to be effective in controlling the COVID-19 pandemic. However, Bluetooth Low Energy tokens similar to those broadcast by existing apps can still be picked up far…

Networking and Internet Architecture · Computer Science 2021-06-08 Zach Van Hyfte , Avideh Zakhor

In recent years WiFi became the primary source of information to locate a person or device indoor. Collecting RSSI values as reference measurements with known positions, known as WiFi fingerprinting, is commonly used in various positioning…

Machine Learning · Computer Science 2023-07-18 Kahraman Kostas , Rabia Yasa Kostas , Francisco Zampella , Firas Alsehly

Deep learning-based (DL-based) channel state information (CSI) feedback for a Massive multiple-input multiple-output (MIMO) system has proved to be a creative and efficient application. However, the existing systems ignored the wireless…

Signal Processing · Electrical Eng. & Systems 2021-10-13 Haozhen Li , Boyuan Zhang , Xin Liang , Haoran Chang , Xinyu Gu , Lin Zhang

Person re-identification aims to identify a person from an image collection, given one image of that person as the query. There is, however, a plethora of real-life scenarios where we may not have a priori library of query images and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Vikram Shree , Wei-Lun Chao , Mark Campbell

Beyond data communications, commercial-off-the-shelf Wi-Fi devices can be used to monitor human activities, track device locomotion, and sense the ambient environment. In particular, spatial beam attributes that are inherently available in…

Machine Learning · Computer Science 2022-05-19 Toshiaki Koike-Akino , Pu Wang , Ye Wang

This paper presents an end-to-end deep learning framework using passive WiFi sensing to classify and estimate human respiration activity. A passive radar test-bed is used with two channels where the first channel provides the reference WiFi…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 U. M. Khan , Z. Kabir , S. A. Hassan , S. H. Ahmed

Intelligent Reflecting Surface (IRS) utilizes low-cost, passive reflecting elements to enhance the passive beam gain, improve Wireless Energy Transfer (WET) efficiency, and enable its deployment for numerous Internet of Things (IoT)…

Signal Processing · Electrical Eng. & Systems 2023-11-16 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang , Kai-Kit Wong

Wireless Sensor Networks (WSNs) are being used in various applications such as structural health monitoring and industrial control. Since energy efficiency is one of the major design factors, the existing WSNs primarily rely on low-power,…

Networking and Internet Architecture · Computer Science 2024-08-05 Chia-Chi Li , Vikram K. Ramanna , Daniel Webber , Cole Hunter , Tyler Hack , Behnam Dezfouli

With the IEEE 802.11bf Task Group introducing amendments to the WLAN standard for advanced sensing, interest in using Wi-Fi Channel State Information (CSI) for remote sensing has surged. Recent findings indicate that learning a unified…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Navid Hasanzadeh , Shahrokh Valaee

LiFi (light-fidelity) is recognised as a promising technology for the next generation wireless access network. However, little research effort has been spent on the uplink transmission system in LiFi networks. In this paper, an analytical…

Information Theory · Computer Science 2019-05-01 Cheng Chen , Dushyantha Basnayaka , Ardimas Andi Purwita , Xiping Wu , Harald Haas

Intelligent reflecting surface (IRS) can bring significant performance enhancement for wireless communication systems by reconfiguring wireless channels via passive signal reflection. However, such performance improvement generally relies…

Signal Processing · Electrical Eng. & Systems 2023-10-18 Ge Yan , Lipeng Zhu , Rui Zhang

Reconfigurable intelligent surfaces (RISs) are envisioned as a potentially transformative technology for future wireless communications. However, RISs' inability to process signals and the attendant increased channel dimension have brought…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Jieao Zhu , Kunzan Liu , Zhongzhichao Wan , Linglong Dai , Tie Jun Cui , H. Vincent Poor

Person re-identification is the challenging task of identifying a person across different camera views. Training a convolutional neural network (CNN) for this task requires annotating a large dataset, and hence, it involves the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

In the field of artificial intelligence, self-supervised learning has demonstrated superior generalization capabilities by leveraging large-scale unlabeled datasets for pretraining, which is especially critical for wireless communication…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Jun Jiang , Wenjun Yu , Yunfan Li , Yuan Gao , Shugong Xu