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Emotion is an essential part of Artificial Intelligence (AI) and human mental health. Current emotion recognition research mainly focuses on single modality (e.g., facial expression), while human emotion expressions are multi-modal in…

Human-Computer Interaction · Computer Science 2020-12-22 Yu Gu , Xiang Zhang , Zhi Liu , Fuji Ren

With the ever-increasing demand for high-speed wireless data transmission, beamforming techniques have been proven to be crucial in improving the data rate and the signal-to-noise ratio (SNR) at the receiver. However, they require feedback…

Signal Processing · Electrical Eng. & Systems 2023-12-08 Mrugen Deshmukh , Zinan Lin , Hanqing Lou , Mahmoud Kamel , Rui Yang , Ismail Guvenc

The Received Signal Strength Indicator (RSSI) is ubiquitously available on commodity WiFi devices but is commonly regarded as too coarse for fine-grained sensing. This paper revisits its sensing potential and presents WiRSSI, a bistatic…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Zhongqin Wang , J. Andrew Zhang , Kai Wu , Y. Jay Guo

Wi-Fi sensing has emerged as a significant technology in wireless sensing and Integrated Sensing and Communication (ISAC), offering benefits such as low cost, high penetration, and enhanced privacy. Currently, it is widely utilized in…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Zijian Zhao

Consumers conducting comparison shopping, researchers making sense of competitive space, and developers looking for code snippets online all face the challenge of capturing the information they find for later use without interrupting their…

Human-Computer Interaction · Computer Science 2022-08-02 Michael Xieyang Liu , Andrew Kuznetsov , Yongsung Kim , Joseph Chee Chang , Aniket Kittur , Brad A. Myers

The idea of exploiting the Wi-Fi bursts as the medium for sensing purposes, particularly for the human targets in the indoor environment, was cultivated in both radar and computer science communities and it has became a noticeable research…

Signal Processing · Electrical Eng. & Systems 2022-01-11 Bo Tan , Bo Sun

We present HeadText, a hands-free technique on a smart earpiece for text entry by motion sensing. Users input text utilizing only 7 head gestures for key selection, word selection, word commitment and word cancelling tasks. Head gesture…

Human-Computer Interaction · Computer Science 2022-05-24 Songlin Xu , Guanjie Wang , Ziyuan Fang , Guangwei Zhang , Guangzhu Shang , Rongde Lu , Liqun He

In this article we present SHARP, an original approach for obtaining human activity recognition (HAR) through the use of commercial IEEE 802.11 (Wi-Fi) devices. SHARP grants the possibility to discern the activities of different persons,…

Signal Processing · Electrical Eng. & Systems 2022-11-08 Francesca Meneghello , Domenico Garlisi , Nicolò Dal Fabbro , Ilenia Tinnirello , Michele Rossi

Understanding crowd behaviors in a large social event is crucial for event management. Passive WiFi sensing, by collecting WiFi probe requests sent from mobile devices, provides a better way to monitor crowds compared with people counters…

Social and Information Networks · Computer Science 2020-02-12 Yuren Zhou , Billy Pik Lik Lau , Zann Koh , Chau Yuen , Benny Kai Kiat Ng

Objective: Surgical activity recognition is a fundamental step in computer-assisted interventions. This paper reviews the state-of-the-art in methods for automatic recognition of fine-grained gestures in robotic surgery focusing on recent…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Beatrice van Amsterdam , Matthew J. Clarkson , Danail Stoyanov

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

Human Computer Interaction (HCI) is a field in which developer makes a user friendly system. User can interact with a computer system without using any conventional peripheral devices. Marker is used to recognize hand movement accurately &…

Human-Computer Interaction · Computer Science 2014-02-05 Kinjal N. Shah , Kirit R. Rathod , Shardul J. Agravat

Gestures are a topic of increasing interest in authentication and successful implementation as a security layer requires reliable gesture recognition. So far much work focuses on new ways to recognize gestures, leaving discussion on the…

Cryptography and Security · Computer Science 2014-08-28 Gradeigh D. Clark , Janne Lindqvist

In this paper, a computer-vision-assisted simulation method is proposed to address the issue of training dataset acquisition for wireless hand gesture recognition. In the existing literature, in order to classify gestures via the wireless…

Signal Processing · Electrical Eng. & Systems 2024-04-18 Zhenyu Ren , Guoliang Li , Chenqing Ji , Chao Yu , Shuai Wang , Rui Wang

Node forgery or impersonation, in which legitimate cryptographic credentials are captured by an adversary, constitutes one major security threat facing wireless networks. The fact that mobile devices are prone to be compromised and reverse…

Networking and Internet Architecture · Computer Science 2015-01-08 Qiang Xu , Rong Zheng , Walid Saad , Zhu Han

Gestures serve as a fundamental and significant mode of non-verbal communication among humans. Deictic gestures (such as pointing towards an object), in particular, offer valuable means of efficiently expressing intent in situations where…

Robotics · Computer Science 2023-09-08 Li-Heng Lin , Yuchen Cui , Yilun Hao , Fei Xia , Dorsa Sadigh

Applications using gesture-based human-computer interface require a new user login method with gestures because it does not have a traditional input method to type a password. However, due to various challenges, existing gesture-based…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Duo Lu , Dijiang Huang

The hand gestures are one of the typical methods used in sign language. It is very difficult for the hearing-impaired people to communicate with the world. This project presents a solution that will not only automatically recognize the hand…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 K. Manikandan , Ayush Patidar , Pallav Walia , Aneek Barman Roy

The recognition of human activities based on WiFi Channel State Information (CSI) enables contactless and visual privacy-preserving sensing in indoor environments. However, poor model generalization, due to varying environmental conditions…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Julian Strohmayer , Martin Kampel

This paper represents a game which interacts with humans via hand gesture movement. Nowadays, apps like this seem rare, and there seems to be a window opening for this kind of application to be more prevalent and useful in the near future.…

Human-Computer Interaction · Computer Science 2022-04-26 Md Rafid Islam , Ratun Rahman , Akib Ahmed , Rafsan Jany
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