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Existing marker-less motion capture methods often assume known backgrounds, static cameras, and sequence specific motion priors, which narrows its application scenarios. Here we propose a fully automatic method that given multi-view video,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Yinghao Huang , Federica Bogo , Christoph Lassner , Angjoo Kanazawa , Peter V. Gehler , Ijaz Akhter , Michael J. Black

The measurement rate of cameras that take spatially multiplexed measurements by using spatial light modulators (SLM) is often limited by the switching speed of the SLMs. This is especially true for single-pixel cameras where the…

Computer Vision and Pattern Recognition · Computer Science 2015-03-17 Jian Wang , Mohit Gupta , Aswin C. Sankaranarayanan

An empirical investigation of active/continuous authentication for smartphones is presented in this paper by exploiting users' unique application usage data, i.e., distinct patterns of use, modeled by a Markovian process. Variations of…

Cryptography and Security · Computer Science 2018-08-13 Upal Mahbub , Jukka Komulainen , Denzil Ferreira , Rama Chellappa

This paper introduces a device, algorithm and graphical user interface to obtain anthropometric measurements of foot. Presented device facilitates obtaining scale of image and image processing by taking one image from side foot and…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Amir Mohammad Esmaieeli Sikaroudi , Sasan Ghaffari , Ali Yousefi , Hassan Sadeghi Naeini

Human pose estimation has made significant advancement in recent years. However, the existing datasets are limited in their coverage of pose variety. In this paper, we introduce a novel benchmark FollowMeUp Sports that makes an important…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Ying Huang , Bin Sun , Haipeng Kan , Jiankai Zhuang , Zengchang Qin

Whole-body humanoid motion represents a fundamental challenge in robotics, requiring balance, coordination, and adaptability to enable human-like behaviors. However, existing methods typically require multiple training samples per motion,…

Physical activity patterns can be informative about a patient's health status. Traditionally, activity data have been gathered using patient self-report. However, these subjective data can suffer from bias and are difficult to collect over…

Methodology · Statistics 2022-02-08 Emily Huang , Kebin Yan , Jukka-Pekka Onnela

In this paper, we propose a novel continuous authentication system for smartphone users. The proposed system entirely relies on unlabeled phone movement patterns collected through smartphone accelerometer. The data was collected in a…

Human-Computer Interaction · Computer Science 2017-08-16 Rajesh Kumar , Partha Pratim Kundu , Diksha Shukla , Vir V. Phoha

Inertial motion capture is a promising approach for capturing motion outside the laboratory. However, as one major drawback, most of the current methods require different quantities to be calibrated or computed offline as part of the setup…

Robotics · Computer Science 2025-09-17 Michael Lorenz , Bertram Taetz , Gabriele Bleser-Taetz , Didier Stricker

Conventional electromyography (EMG) measures the continuous neural activity during muscle contraction, but lacks explicit quantification of the actual contraction. Mechanomyography (MMG) and accelerometers only measure body surface motion,…

Human-Computer Interaction · Computer Science 2022-11-08 Zijing Zhang , Edwin C. Kan

The diffuse morphology and transient nature of coronal mass ejections (CMEs) make them difficult to identify and track using traditional image processing techniques. We apply multiscale methods to enhance the visibility of the faint CME…

Solar and Stellar Astrophysics · Physics 2009-02-20 Jason P. Byrne , Peter T. Gallagher , R. T. James McAteer , C. Alex Young

For handheld smartphone AR interactions, bandwidth is a critical constraint. Streaming techniques have been developed to provide a seamless and high-quality user experience despite these challenges. To optimize streaming performance in…

Human-Computer Interaction · Computer Science 2024-08-06 Rahul Islam , Vasco Xu , Karan Ahuja

Marker-based motion capture (MoCap) systems have long been the gold standard for accurate 4D human modeling, yet their reliance on specialized hardware and markers limits scalability and real-world deployment. Advancing reliable markerless…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Yeeun Park , Miqdad Naduthodi , Suryansh Kumar

Automated food intake gesture detection plays a vital role in dietary monitoring, enabling objective and continuous tracking of eating behaviors to support better health outcomes. Wrist-worn inertial measurement units (IMUs) have been…

Machine Learning · Computer Science 2025-07-11 Chunzhuo Wang , Hans Hallez , Bart Vanrumste

Personalized longitudinal disease assessment is central to quickly diagnosing, appropriately managing, and optimally adapting the therapeutic strategy of multiple sclerosis (MS). It is also important for identifying the idiosyncratic…

In this paper, a new Smartphone sensor based algorithm is proposed to detect accurate distance estimation. The algorithm consists of two phases, the first phase is for detecting the peaks from the Smartphone accelerometer sensor. The other…

Other Computer Science · Computer Science 2018-01-09 Ahmad Abadleh , Eshraq Al-Hawari , Esra'a Alkafaween , Hamad Al-Sawalqah

We present MAMMA, a markerless motion-capture pipeline that accurately recovers SMPL-X parameters from multi-view video of two-person interaction sequences. Traditional motion-capture systems rely on physical markers. Although they offer…

The use of motion capture has increased from last decade in a varied spectrum of applications like film special effects, controlling games and robots, rehabilitation system, animations etc. The current human motion capture techniques use…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Muhammad Yahya , Jawad Ali Shah , Arif Warsi , Kushsairy Kadir , Sheroz Khan , M Izani

We report on a new technique of a Multi-Cathode Counter (MCC) developed to search for hidden photon (HP) cold dark matter (CDM) with a mass from 5 to 500 eV. The method suggested in the assumption that hidden photons of the mass greater…

Instrumentation and Detectors · Physics 2015-12-16 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov

Goal: This paper presents an algorithm for accurately estimating pelvis, thigh, and shank kinematics during walking using only three wearable inertial sensors. Methods: The algorithm makes novel use of a constrained Kalman filter (CKF). The…