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A major bottleneck of pedestrian detection lies on the sharp performance deterioration in the presence of small-size pedestrians that are relatively far from the camera. Motivated by the observation that pedestrians of disparate spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Xiaowei Zhang , Li Cheng , Bo Li , Hai-Miao Hu

Human identification plays an important role in human-computer interaction. There have been numerous methods proposed for human identification (e.g., face recognition, gait recognition, fingerprint identification, etc.). While these methods…

Human-Computer Interaction · Computer Science 2016-08-12 Tong Xin , Bin Guo , Zhu Wang , Mingyang Li , Zhiwen Yu

Detection and interpretation of human activities have emerged as a challenging healthcare problem in areas such as assisted living and remote monitoring. Besides traditional approaches that rely on wearable devices and camera systems, WiFi…

Signal Processing · Electrical Eng. & Systems 2017-12-14 Bo Tan , Qingchao Chen , Kevin Chetty , Karl Woodbridge , Wenda Li , Robert Piechocki

Healthcare monitoring is crucial, especially for the daily care of elderly individuals living alone. It can detect dangerous occurrences, such as falls, and provide timely alerts to save lives. Non-invasive millimeter wave (mmWave)…

Robotics · Computer Science 2024-05-06 Zhanzhong Gu , Xiangjian He , Gengfa Fang , Chengpei Xu , Feng Xia , Wenjing Jia

This paper presents a comprehensive dataset intended to evaluate passive Human Activity Recognition (HAR) and localization techniques with measurements obtained from synchronized Radio-Frequency (RF) devices and vision-based sensors. The…

Robotic ultrasound (US) imaging has been seen as a promising solution to overcome the limitations of free-hand US examinations, i.e., inter-operator variability. However, the fact that robotic US systems cannot react to subject movements…

Robotics · Computer Science 2022-09-07 Zhongliang Jiang , Nehil Danis , Yuan Bi , Mingchuan Zhou , Markus Kroenke , Thomas Wendler , Nassir Navab

This paper proposes a novel interdisciplinary framework for analyzing police body-worn camera (BWC) footage from the Rochester Police Department (RPD) using advanced artificial intelligence (AI) and statistical machine learning (ML)…

Artificial Intelligence · Computer Science 2025-06-23 Anita Srbinovska , Angela Srbinovska , Vivek Senthil , Adrian Martin , John McCluskey , Jonathan Bateman , Ernest Fokoué

We present a human state estimation framework that allows us to estimate the location, and even the activities, of people in an indoor environment without the requirement that they carry a specific devices with them. To achieve this "device…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Saria Al Laham , Bobak H. Baghi , Pierre-Yves Lajoie , Amal Feriani , Sachini Herath , Steve Liu , Gregory Dudek

Seismic sensing has emerged as a promising solution for border surveillance and monitoring; the seismic sensors that are often buried underground are small and cannot be noticed easily, making them difficult for intruders to detect, avoid,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Sriram Srinivasan , Srinivasan Aruchamy , Siva Ram Krisha Vadali

In this paper, we propose a radio-assisted human detection framework by incorporating radio information into the state-of-the-art detection methods, including anchor-based onestage detectors and two-stage detectors. We extract the radio…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Chengrun Qiu , Dongheng Zhang , Yang Hu , Houqiang Li , Qibin Sun , Yan Chen

Radar images of humans and other concealed objects are considerably distorted by attenuation, refraction and multipath clutter in indoor through-wall environments. While several methods have been proposed for removing target independent…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Shelly Vishwakarma , Shobha Sundar Ram

A person's movement or relative positioning can be effectively captured by different types of sensors and corresponding sensor output can be utilized in various manipulative techniques for the classification of different human activities.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Utsab Saha , Sawradip Saha , Tahmid Kabir , Shaikh Anowarul Fattah , Mohammad Saquib

Falls in wet bathroom environments are a major safety risk for seniors living alone. Recent work has shown that mmWave-only, vibration-only, and existing multimodal schemes, such as vibration-triggered radar activation, early feature…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Haitian Wang , Yiren Wang , Xinyu Wang , Sheldon Fung , Atif Mansoor

In the article, we describe a trajectory planning problem for a 6-DOF robotic manipulator arm that carries an ultra-wideband (UWB) radar sensor with synthetic aperture (SAR). The resolution depends on the trajectory and velocity profile of…

Systems and Control · Computer Science 2017-10-12 Stefan Brüggenwirth , Fernando Rial

Understanding people's actions and interactions typically depends on seeing them. Automating the process of action recognition from visual data has been the topic of much research in the computer vision community. But what if it is too…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Tianhong Li , Lijie Fan , Mingmin Zhao , Yingcheng Liu , Dina Katabi

The newly established IEEE 802.11bf Task Group aims to amend the WLAN standard to support advanced sensing applications such as human activity recognition (HAR). Although studies have demonstrated the potential of sub-7 GHz Wi-Fi Channel…

Signal Processing · Electrical Eng. & Systems 2025-06-23 Navid Hasanzadeh , Shahrokh Valaee

Fall detection, particularly critical for high-risk demographics like the elderly, is a key public health concern where timely detection can greatly minimize harm. With the advancements in radio frequency technology, radar has emerged as a…

Robotics · Computer Science 2024-02-07 Shuting Hu , Siyang Cao , Nima Toosizadeh , Jennifer Barton , Melvin G. Hector , Mindy J. Fain

Principal Component Analysis (PCA) has been widely used for dimensionality reduction and feature extraction. Robust PCA (RPCA), under different robust distance metrics, such as l1-norm and l2, p-norm, can deal with noise or outliers to some…

Machine Learning · Computer Science 2021-06-29 Zhao Kang , Hongfei Liu , Jiangxin Li , Xiaofeng Zhu , Ling Tian

Human Action Recognition (HAR) aims to understand human behavior and assign a label to each action. It has a wide range of applications, and therefore has been attracting increasing attention in the field of computer vision. Human actions…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Zehua Sun , Qiuhong Ke , Hossein Rahmani , Mohammed Bennamoun , Gang Wang , Jun Liu

Human pose estimation involves detecting and tracking the positions of various body parts using input data from sources such as images, videos, or motion and inertial sensors. This paper presents a novel approach to human pose estimation…

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