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Human motion capture either requires multi-camera systems or is unreliable when using single-view input due to depth ambiguities. Meanwhile, mirrors are readily available in urban environments and form an affordable alternative by recording…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Daniel Ajisafe , James Tang , Shih-Yang Su , Bastian Wandt , Helge Rhodin

Accurately predicting the 3D human posture and the pressure exerted on the body for people resting in bed, visualized as a body mesh (3D pose & shape) with a 3D pressure map, holds significant promise for healthcare applications,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Abhishek Tandon , Anujraaj Goyal , Henry M. Clever , Zackory Erickson

This study proposes a method to determine the filter parameters required for the topology method, which is a radar-based noncontact method for measurement of heart inter-beat intervals. The effectiveness of the proposed method is evaluated…

Signal Processing · Electrical Eng. & Systems 2023-07-20 Itsuki Iwata , Takuya Sakamoto , Takuya Matsumoto , Satoshi Hirata

This paper proposes a depth estimation method using radar-image fusion by addressing the uncertain vertical directions of sparse radar measurements. In prior radar-image fusion work, image features are merged with the uncertain sparse…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Masaya Kotani , Takeru Oba , Norimichi Ukita

The through-the-wall human being detection and localization in the complex environments by using the radar system has many possible applications such as for law enforcement, and search and rescue missions in disaster-stricken areas. This…

Signal Processing · Electrical Eng. & Systems 2020-12-22 Budiman P. A. Rohman , Muhammad Bagus Andra , Dion Hayu Fandiantoro , Masahiko Nishimoto

The local beat-to-beat local pulse pressure (PP) and blood pressure waveform of arteries, especially central arteries, are important indicators of the course of cardiovascular diseases (CVDs). Nevertheless, noninvasive measurement of them…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Lirui Xu , Pang Wu , Pan Xia , Fanglin Geng , Peng Wang , Xianxiang Chen , Zhenfeng Li , Lidong Du , Shuping Liu , Li Li , Hongbo Chang , Zhen Fang

Simulation of radar cross-sections (RCS) of pedestrians at automotive radar frequencies forms a key tool for software verification test beds for advanced driver assistance systems. Two commonly used simulation methods are: the…

Signal Processing · Electrical Eng. & Systems 2021-02-01 Yoshana Deep , Patrick Held , Shobha Sundar Ram , Dagmar Steinhauser , Anshu Gupta , Frank Gruson , Andreas Koch , Anirban Roy

We propose pulse laser-based ultra-violet communication over long distance, such that the pulse response signals can be detected at the receiver at the cost of low data transmission rate. We characterize the signal and achievable…

Signal Processing · Electrical Eng. & Systems 2018-08-13 Ruixiong Xu , Chen Gong , Zhengyuan Xu

Monitoring of cardiovascular activity is highly desired and can enable novel applications in diagnosing potential cardiovascular diseases and maintaining an individual's well-being. Currently, such vital signs are measured using intrusive…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Mayank Gupta , Lingjun Chen , Denny Yu , Vaneet Aggarwal

This paper presents an unobtrusive solution that can automatically identify deep breath when a person is walking past the global depth camera. Existing non-contact breath assessments achieve satisfactory results under restricted conditions…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Yunlu Wang , Cheng Yang , Menghan Hu , Jian Zhang , Qingli Li , Guangtao Zhai , Xiao-Ping Zhang

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

Arrhythmia is a common cardiac condition that can precipitate severe complications without timely intervention. While continuous monitoring is essential for timely diagnosis, conventional approaches such as electrocardiogram and wearable…

Human-Computer Interaction · Computer Science 2025-08-05 Arjun Kumar , Noppanat Wadlom , Jaeheon Kwak , Si-Hyuck Kang , Insik Shin

Estimating 3D poses of multiple humans in real-time is a classic but still challenging task in computer vision. Its major difficulty lies in the ambiguity in cross-view association of 2D poses and the huge state space when there are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Long Chen , Haizhou Ai , Rui Chen , Zijie Zhuang , Shuang Liu

This paper proposes a reliable approach for human gait symmetry assessment using a depth camera and two mirrors. The input of our system is a sequence of 3D point clouds which are formed from a setup including a Time-of-Flight (ToF) depth…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Trong-Nguyen Nguyen , Huu-Hung Huynh , Jean Meunier

A complete overview of the surrounding vehicle environment is important for driver assistance systems and highly autonomous driving. Fusing results of multiple sensor types like camera, radar and lidar is crucial for increasing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Markus Horn , Ole Schumann , Markus Hahn , Jürgen Dickmann , Klaus Dietmayer

Sensor-based Human Activity Recognition facilitates unobtrusive monitoring of human movements. However, determining the most effective sensor placement for optimal classification performance remains challenging. This paper introduces a…

Machine Learning · Computer Science 2023-07-07 Orhan Konak , Alexander Wischmann , Robin van de Water , Bert Arnrich

Traditional methods for human localization and pose estimation (HPE), which mainly rely on RGB images as an input modality, confront substantial limitations in real-world applications due to privacy concerns. In contrast, radar-based HPE…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yuan-Hao Ho , Jen-Hao Cheng , Sheng Yao Kuan , Zhongyu Jiang , Wenhao Chai , Hsiang-Wei Huang , Chih-Lung Lin , Jenq-Neng Hwang

A novel, real-time, mm-Wave radar-based static hand shape classification algorithm and implementation are proposed. The method finds several applications in low cost and privacy sensitive touchless control technology using 60 Ghz radar as…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Athmanarayanan Lakshmi Narayanan , Asma Beevi K. T , Haoyang Wu , Jingyi Ma , W. Margaret Huang

This paper presents a novel real-time tracking system capable of improving body pose estimation algorithms in distributed camera networks. The first stage of our approach introduces a linear Kalman filter operating at the body joints level,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Alessandro Malaguti , Marco Carraro , Mattia Guidolin , Luca Tagliapietra , Emanuele Menegatti , Stefano Ghidoni

Millimeter-wave (mmWave) radar offers robust sensing capabilities in diverse environments, making it a highly promising solution for human body reconstruction due to its privacy-friendly and non-intrusive nature. However, the significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Jiarui Yang , Songpengcheng Xia , Zengyuan Lai , Lan Sun , Qi Wu , Wenxian Yu , Ling Pei