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Related papers: Joint Activity Recognition and Indoor Localization…

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We address the challenge of WiFi-based temporal activity detection and propose an efficient Dual Pyramid Network that integrates Temporal Signal Semantic Encoders and Local Sensitive Response Encoders. The Temporal Signal Semantic Encoder…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Zhendong Liu , Le Zhang , Bing Li , Yingjie Zhou , Zhenghua Chen , Ce Zhu

Accurate and robust wireless localization is a key enabler for a wide range of mobile computing applications. Fingerprint-based localization using channel state information (CSI) has attracted significant attention due to its high accuracy…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Haoyu Huang , Guangjin Pan , Kaixuan Huang , Shunqing Zhang , Yuhao Zhang , Musa Furkan Keskin , Zheng Xing , Henk Wymeersch

Privacy issues related to video camera feeds have led to a growing need for suitable alternatives that provide functionalities such as user authentication, activity classification and tracking in a noninvasive manner. Existing…

Machine Learning · Computer Science 2019-11-27 Vinoj Jayasundara , Hirunima Jayasekara , Tharaka Samarasinghe , Kasun T. Hemachandra

Wi-Fi sensing technology enables non-intrusive, continuous monitoring of user locations and activities, which supports diverse smart home applications. Since different sensing tasks exhibit contextual relationships, their integration can…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Mengning Li , Wenye Wang

Human Activity Recognition (HAR) has recently received remarkable attention in numerous applications such as assisted living and remote monitoring. Existing solutions based on sensors and vision technologies have obtained achievements but…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Yanling Hao , Zhiyuan Shi , Yuanwei Liu

Wearable and IoT devices requiring positioning and localisation services grow in number exponentially every year. This rapid growth also produces millions of data entries that need to be pre-processed prior to being used in any indoor…

Signal Processing · Electrical Eng. & Systems 2022-11-29 Darwin Quezada-Gaibor , Lucie Klus , Joaquín Torres-Sospedra , Elena Simona Lohan , Jari Nurmi , Carlos Granell , Joaquín Huerta

With the ongoing development of Indoor Location-Based Services, the location information of users in indoor environments has been a challenging issue in recent years. Due to the widespread use of WiFi networks, WiFi fingerprinting has…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-05 Amin Kargar-Barzi , Ebrahim Farahmand , Nooshin Taheri Chatrudi , Ali Mahani , Muhammad Shafique

Gesture recognition has become increasingly important in human-computer interaction and can support different applications such as smart home, VR, and gaming. Traditional approaches usually rely on dedicated sensors that are worn by the…

Human-Computer Interaction · Computer Science 2021-06-03 Sheng Tan , Jie Yang

This paper proposes a combined network structure between convolutional neural network (CNN) and long-short term memory (LSTM) quantifier for WiFi fingerprinting indoor localization. In contrast to conventional methods that utilize only…

Machine Learning · Computer Science 2025-11-11 Minh Tu Hoang , Brosnan Yuen , Kai Ren , Xiaodai Dong , Tao Lu , Hung Le Nguyen , Robert Westendorp , Kishore Reddy

Wi-Fi sensing is an emerging technology that uses channel state information (CSI) from ambient Wi-Fi signals to monitor human activity without the need for dedicated sensors. Wi-Fi sensing does not only represent a pivotal technology in…

Networking and Internet Architecture · Computer Science 2025-05-07 Paolo Cerutti , Fabio Palmese , Marco Cominelli , Alessandro E. C. Redondi

In recent years, the use of WiFi fingerprints for indoor positioning has grown in popularity, largely due to the widespread availability of WiFi and the proliferation of mobile communication devices. However, many existing methods for…

Networking and Internet Architecture · Computer Science 2023-08-02 Mingxin Zhang , Zipei Fan , Ryosuke Shibasaki , Xuan Song

As Wi-Fi becomes ubiquitous in public and private spaces, it becomes natural to leverage its intrinsic ability to sense the surrounding environment to implement groundbreaking wireless sensing applications such as human presence detection,…

Networking and Internet Architecture · Computer Science 2024-08-27 Francesca Meneghello , Cheng Chen , Carlos Cordeiro , Francesco Restuccia

Wi-Fi sensing has emerged as a powerful non-intrusive technology for recognizing human activities, monitoring vital signs, and enabling context-aware applications using commercial wireless devices. However, the performance of Wi-Fi sensing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Fei Wang , Tingting Zhang , Wei Xi , Han Ding , Ge Wang , Di Zhang , Yuanhao Cui , Fan Liu , Jinsong Han , Jie Xu , Tony Xiao Han

Wi-Fi channel state information (CSI) has emerged as a plausible modality for sensing different human activities as a function of modulations in the wireless signal that travels between wireless devices. Until now, most research has taken a…

Information Theory · Computer Science 2019-02-05 Mohammed Alloulah , Anton Isopoussu , Chulhong Min , Fahim Kawsar

Person re-identification (ReID), as a crucial technology in the field of security, plays an important role in security detection and people counting. Current security and monitoring systems largely rely on visual information, which may…

Information Retrieval · Computer Science 2024-07-15 Chen Mao , Chong Tan , Jingqi Hu , Min Zheng

Indoor position technology has become one of the research highlights in the Internet of Things (IoT), but there is still a lack of universal, low-cost, and high-precision solutions. This paper conducts research on indoor position technology…

Networking and Internet Architecture · Computer Science 2026-02-03 Chunyi Zhang , Zongwei Li , Xiaoqi Li

Indoor localization is the process of determining the location of a person or object inside a building. Potential usage of indoor localization includes navigation, personalization, safety and security, and asset tracking. Commonly used…

Signal Processing · Electrical Eng. & Systems 2023-12-14 Rahul Vishwakarma , Rucha Bhalchandra Joshi , Subhankar Mishra

Recognizing user location with WiFi fingerprints is a popular approach for accurate indoor positioning problems. In this work, our goal is to interpret WiFi fingerprints into actual user locations. However, WiFi fingerprint data can be very…

Machine Learning · Computer Science 2021-01-27 Weizhu Qian , Franck Gechter

WiFi-based localization became one of the main indoor localization techniques due to the ubiquity of WiFi connectivity. However, indoor environments exhibit complex wireless propagation characteristics. Typically, these characteristics are…

Networking and Internet Architecture · Computer Science 2015-08-04 Heba Aly , Moustafa Youssef

This paper proposes recurrent neuron networks (RNNs) for a fingerprinting indoor localization using WiFi. Instead of locating user's position one at a time as in the cases of conventional algorithms, our RNN solution aims at trajectory…

Signal Processing · Electrical Eng. & Systems 2022-11-09 Minh Tu Hoang , Brosnan Yuen , Xiaodai Dong , Tao Lu , Robert Westendorp , Kishore Reddy