Results 21 to 30 of about 16,587 (259)

Towards Human Motion Tracking Enhanced by Semi-Continuous Ultrasonic Time-of-Flight Measurements

open access: yesSensors, 2021
Human motion analysis is a valuable tool for assessing disease progression in persons with conditions such as multiple sclerosis or Parkinson’s disease.
Silje Ekroll Jahren   +5 more
doaj   +1 more source

Smartphone-Based Indoor Floor Plan Construction via Acoustic Ranging and Inertial Tracking

open access: yesMachines, 2023
The lack of indoor floor plans is one of the major obstacles to ubiquitous indoor location-based services. Dedicated mobile robots with high-precision sensors can measure and produce accurate indoor maps, but the deployment remains low for the public ...
Chuize Meng   +5 more
doaj   +1 more source

Research on Intraoperative Organ Motion Tracking Method Based on Fusion of Inertial and Electromagnetic Navigation

open access: yesIEEE Access, 2021
The intraoperative movement of target organs is currently a key and difficult problem that restricts clinical surgery diagnosis and treatment, especially radiotherapy.
Yongde Zhang   +3 more
doaj   +1 more source

Motion tracking algorithms for inertial measurement [PDF]

open access: yesProceedings of the Second International Conference on Body Area Networks BodyNets, 2007
In this paper, we describe the development of the software algorithms required to interpret sensor data developed by a wearable miniaturized wireless inertial measurement unit (IMU) to enable tracking of movement Traditionally, inertial tracking has involved the use of off the shelf motion sensors in the form of an inertial measurement unit, in ...
Javier Torres Sanchez   +4 more
openaire   +1 more source

An Open-Source 7-DOF Wireless Human Arm Motion-Tracking System for Use in Robotics Research

open access: yesSensors, 2020
To extend the choice of inertial motion-tracking systems freely available to researchers and educators, this paper presents an alternative open-source design of a wearable 7-DOF wireless human arm motion-tracking system.
Almas Shintemirov   +6 more
doaj   +1 more source

Event-based feature tracking in a visual inertial odometry framework

open access: yesFrontiers in Robotics and AI, 2023
Introduction: Event cameras report pixel-wise brightness changes at high temporal resolutions, allowing for high speed tracking of features in visual inertial odometry (VIO) estimation, but require a paradigm shift, as common practices from the past ...
José Ribeiro-Gomes   +2 more
doaj   +1 more source

Crowdsourcing-Based Fingerprinting for Indoor Location in Multi-Storey Buildings

open access: yesIEEE Access, 2021
The number of available indoor location solutions has been growing, however with insufficient precision, high implementation costs or scalability limitations.
Ricardo Santos   +7 more
doaj   +1 more source

Joint angle tracking with inertial sensors

open access: yes2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2008
Many wearable inertial systems have been used to continuously track human movement in and outside of a laboratory. The number of sensors and the complexity of the algorithms used to measure position and orientation vary according to the clinical application. To calculate changes in orientation, researchers often integrate the angular velocity. However,
Mahmoud, El-Gohary   +2 more
openaire   +4 more sources

Augmenting Indoor Inertial Tracking with Polarized Light [PDF]

open access: yesProceedings of the 16th Annual International Conference on Mobile Systems, Applications, and Services, 2018
Inertial measurement unit (IMU) has long suffered from the problem of integration drift, where sensor noises accumulate quickly and cause fast-growing tracking errors. Existing methods for calibrating IMU tracking either require human in the loop, or need energy-consuming cameras, or suffer from coarse tracking granularity. We propose to augment indoor
Tian Zhao 0003   +7 more
openaire   +1 more source

VeLoc: Finding Your Car in Indoor Parking Structures

open access: yesSensors, 2018
While WiFi-based indoor localization is attractive, there are many indoor places without WiFi coverage with a strong demand for localization capability.
Ruipeng Gao, Fangpu He, Teng Li
doaj   +1 more source

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