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Due to an alarming trend related to obesity affecting 93.3 million adults in the United States alone, body mass index (BMI) and body weight have drawn significant interest in various health monitoring applications. Consequently, several…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Parshuram N. Aarotale , Twyla Hill , Ajita Rattani

Multi-object tracking (MOT) in video sequences remains a challenging task, especially in scenarios with significant camera movements. This is because targets can drift considerably on the image plane, leading to erroneous tracking outcomes.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Kefu Yi , Kai Luo , Xiaolei Luo , Jiangui Huang , Hao Wu , Rongdong Hu , Wei Hao

Markerless motion capture (MMC) is revolutionizing gait analysis in clinical settings by making it more accessible, raising the question of how to extract the most clinically meaningful information from gait data. In multiple fields ranging…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 R. James Cotton , J. D. Peiffer , Kunal Shah , Allison DeLillo , Anthony Cimorelli , Shawana Anarwala , Kayan Abdou , Tasos Karakostas

Commonly used human motion capture systems require intrusive attachment of markers that are visually tracked with multiple cameras. In this work we present an efficient and inexpensive solution to markerless motion capture using only a few…

Computer Vision and Pattern Recognition · Computer Science 2016-05-27 Alireza Shafaei , James J. Little

Accurate body weight estimation is critical in emergency medicine for proper dosing of weight-based medications, yet direct measurement is often impractical in urgent situations. This paper presents a non-invasive method for estimating body…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Vivek Ganesh Sonar , Muhammad Tanveer Jan , Mike Wells , Abhijit Pandya , Gabriela Engstrom , Richard Shih , Borko Furht

Despite widespread use of smartphones, there is no measurement standard targeted at smartphone security behaviors. In this paper we translate a well-known cybersecurity behavioral scale into the smartphone domain and show that we can…

Cryptography and Security · Computer Science 2020-07-07 Hsiao-Ying Huang , Soteris Demetriou , Rini Banerjee , Güliz Seray Tuncay , Carl A. Gunter , Masooda Bashir

Background: A smartphone is a promising tool for daily cardiovascular measurement and mental stress monitoring. A smartphone camera-based PhotoPlethysmoGraphy (PPG) and a low-cost thermal camera can be used to create cheap, convenient and…

Medical Physics · Physics 2019-01-03 Youngjun Cho , Simon J. Julier , Nadia Bianchi-Berthouze

This paper introduces principal motion components (PMC), a new method for one-shot gesture recognition. In the considered scenario a single training-video is available for each gesture to be recognized, which limits the application of…

Computer Vision and Pattern Recognition · Computer Science 2014-02-03 Hugo Jair Escalante , Isabelle Guyon , Vassilis Athitsos , Pat Jangyodsuk , Jun Wan

Performance measures such as stride length in athletics and the pace of runners can be estimated using different tricks such as measuring the number of steps divided by the running length or helping with markers printed on the track.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Patryk Skorupski , Cosimo Distante , Pier Luigi Mazzeo

Achieving both target accuracy and robustness in dynamic maneuvers with long flight phases, such as high or long jumps, has been a significant challenge for legged robots. To address this challenge, we propose a novel learning-based control…

Robotics · Computer Science 2024-12-10 Chuong Nguyen , Abdullah Altawaitan , Thai Duong , Nikolay Atanasov , Quan Nguyen

The physical load of jumps plays a critical role in injury prevention for volleyball players. However, manual video analysis of jump activities is time-intensive and costly, requiring significant effort and expensive hardware setups. The…

Signal Processing · Electrical Eng. & Systems 2025-05-12 Weiyi Xu , Chunzhuo Wang , Meng Shang , Camilla De Bleecker , Maria Torres Vega , Jos Vanrenterghem , Bart Vanrumste

Using ceiling-mounted cameras (CMCs) for indoor visual capturing opens up a wide range of applications. However, registering CMCs to the target scene layout presents a challenging task. While manual registration with specialized tools is…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Fan Yang , Sosuke Yamao , Ikuo Kusajima , Atsunori Moteki , Shoichi Masui , Shan Jiang

The JPEG standard is widely used in different image processing applications. One of the main components of the JPEG standard is the quantisation table (QT) since it plays a vital role in the image properties such as image quality and file…

Neural and Evolutionary Computing · Computer Science 2023-04-21 Seyed Jalaleddin Mousavirad , Luís A Alexandre

We introduce a novel approach to user authentication called Motion ID. The method employs motion sensing provided by inertial measurement units (IMUs), using it to verify the persons identity via short time series of IMU data captured by…

Estimating human body measurements from monocular RGB imagery remains challenging due to scale ambiguity, viewpoint sensitivity, and the absence of explicit depth information. This work presents a systematic empirical study of three weakly…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Gaurav Sekar

Smartphones equipped with sensors such as accelerometers, gyroscopes, and magnetometers offer valuable opportunities for physics education, allowing students to measure motion using their own devices. However, commonly used applications…

Physics Education · Physics 2026-03-06 Keita Nishioka , Yasuhiro Tanaka

Athletes routinely undergo fitness evaluations to evaluate their training progress. Typically, these evaluations require a trained professional who utilizes specialized equipment like force plates. For the assessment, athletes perform drop…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Soumyadip Roy , Chaitanya Roygaga , Nathaniel Blanchard , Aparna Bharati

Goal: This paper presents an algorithm for estimating pelvis, thigh, shank, and foot kinematics during walking using only two or three wearable inertial sensors. Methods: The algorithm makes novel use of a Lie-group-based extended Kalman…

Robotics · Computer Science 2021-03-23 Luke Wicent Sy , Nigel H. Lovell , Stephen J. Redmond

This paper compares three controllers for quasi-passive exoskeletons. The Utility Maximizing Controller (UMC) uses intent estimation to recognize user motions and decision theory to activate the support mechanism. The intent estimation…

Robotics · Computer Science 2024-10-28 Thomas Callens , Vincent Ducastel , Joris De Schutter , Erwin Aertbeliën

This article presents a method to automatically detect and classify climbing activities using inertial measurement units (IMUs) attached to the wrists, feet and pelvis of the climber. The IMUs record limb acceleration and angular velocity.…

Applications · Statistics 2015-08-19 Jérémie Boulanger , Ludovic Seifert , Romain Hérault , Jean-Francois Coeurjolly