Results 41 to 50 of about 409,279 (184)

Markerless motion capture of hands and fingers in high-speed throwing task and its accuracy verification

open access: yesMechanical Engineering Journal, 2023
In human motion capture systems, reflective markers attached to the body have been widely used to track motion using optical cameras. However, when the speed of motion increases, because the brightness and angle of view of the camera are limited, and the
Ayane KUSAFUKA   +3 more
doaj   +1 more source

Measuring Spinal Mobility Using an Inertial Measurement Unit System: A Validation Study in Axial Spondyloarthritis

open access: yesDiagnostics, 2020
Portable inertial measurement units (IMUs) are beginning to be used in human motion analysis. These devices can be useful for the evaluation of spinal mobility in individuals with axial spondyloarthritis (axSpA).
I. Concepción Aranda-Valera   +14 more
doaj   +1 more source

Validation of an IMU Suit for Military-Based Tasks

open access: yesSensors, 2020
Investigating the effects of load carriage on military soldiers using optical motion capture is challenging. However, inertial measurement units (IMUs) provide a promising alternative.
Matthew P. Mavor   +4 more
doaj   +1 more source

A study to trial the use of inertial non-optical motion capture for ergonomic analysis of manufacturing work [PDF]

open access: yes, 2016
It is going to be increasingly important for manufacturing system designers to incorporate human activity data and ergonomic analysis with other performance data in digital design modelling and system monitoring. However, traditional methods of capturing
Fletcher, Sarah R.   +2 more
core   +1 more source

Predicting Missing Markers in Real-Time Optical Motion Capture [PDF]

open access: yes, 2009
Lecture Notes in Computer Science ...
Piazza, Tommaso   +3 more
openaire   +2 more sources

Movement Analysis for Neurological and Musculoskeletal Disorders Using Graph Convolutional Neural Network

open access: yesFuture Internet, 2021
Using optical motion capture and wearable sensors is a common way to analyze impaired movement in individuals with neurological and musculoskeletal disorders.
Ibsa K. Jalata   +4 more
doaj   +1 more source

Frontal plane pelvic motion during gait captures hip osteoarthritis related disability [PDF]

open access: yes, 2015
Gait analysis has widely been accepted as an objective measure of function and clinical outcome. Ambulatory accelerometer-based gait analysis has emerged as a clinically more feasible alternative to optical motion capture systems but does not provide ...
Blom, Ashley   +6 more
core   +2 more sources

Analysis of Kinematics of Flapping Wing UAV Using OptiTrack Systems

open access: yesAerospace, 2016
An analysis of the kinematics of a flapping membrane wing using experimental kinematic data is presented. This motion capture technique tracks the positon of the retroreflective marker(s) placed on the left wing of a 1.3-m-wingspan ornithopter.
Matthew Ng Rongfa   +2 more
doaj   +1 more source

Decomposition of Optical Flow on the Sphere [PDF]

open access: yes, 2014
We propose a number of variational regularisation methods for the estimation and decomposition of motion fields on the $2$-sphere. While motion estimation is based on the optical flow equation, the presented decomposition models are motivated by recent ...
Kirisits, Clemens   +2 more
core   +1 more source

Differential intensity contrast swept source optical coherence tomography for human retinal vasculature visualization [PDF]

open access: yes, 2012
We demonstrate an intensity-based motion sensitive method, called differential logarithmic intensity variance (DLOGIV), for 3D microvasculature imaging and foveal avascular zone (FAZ) visualization in the in vivo human retina using swept source optical ...
Fraser, Scott, Motaghiannezam, Reza
core   +1 more source

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