Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"Optical Motion Capture"”.
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Design of a low-cost optical motion capture system using a multi-camera configuration and an asynchronous extended kalman filter
Motion capture technology, originating from the entertainment industry, has expanded its applications to various fields including robotics, medical and healthcare, the automotive industry, and virtual and augmented reality. Despite its versatility, the high cost of off-the-shelf commercial motion …
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INERTIAL MOTION CAPTURE SYSTEM FOR BIOMECHANICAL ANALYSIS IN PRESSURE SUITS
… providing a new capability for quantifying the motion of the human inside a space suit. Based on an array of six microprocessors and eighteen microelectromechanical (MEMS) inertial measurement units (IMUs), the Body Pose Measurement System (BPMS) allows the monitoring of the kinematics of the …
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A self-contained motion capture platform for e-textiles
… are increasingly prevalent in today's society. Motion capture is one of many potential applications for on-body electronic systems. Self-contained motion capture applications require information from sensors distributed throughout the body on a "smart" garment. Therefore, this thesis presents …
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IMU-based estimation of human lower body kinematics and applications to extravehicular operations
… (IMUs) as an alternative to traditional human optical motion capture (OMC) techniques has gained increasing attention over the last twenty years. In contrast to traditional OMC, IMUs are less intrusive and allow measurements to be taken in the environment of interest--not just a contrived …
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The autonomous guidance, navigation, and control laboratory at the University of Texas at Austin
… of autonomous vehicles, the lab uses an optical motion capture system which can relay vehicle's their position and orientation. To support hardware development, the lab houses a full compliment of hand tools, electronics equipment, and a 3D extrusion printer. The primary research vehicle …
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Gappy POD and Temporal Correspondence for Lizard Motion Estimation
… designing robots that emulate realistic animal motions. This discipline requires careful and systematic investigation of a wide range of animal motions from biped, to quadruped, and even to serpentine motion of centipedes, millipedes, and snakes. Collecting optical motion capture data of such …
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Human Movement Sonification for Motor Skill Learning
… learning studies were conducted with the use of optical motion-capture. Findings support the general assumption that effective mappings aid learning by making task-intrinsic perceptual information more readily available and meaningful, and that the relationship between task demands and sonic …
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Exploiting Novel Deep Learning Architecture in Character Animation Pipelines
… that have been applied to the field of human motion modelling and character animation. The recent advances in motion capture systems and processing hardware have shifted from physics-based approaches to data-driven approaches that are heavily used in the current game production frameworks. …
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An Exploratory Biomechanical Analysis of the Side-to-Side Swing Patterns of Three Skilled Switch Hitters
… swings were recorded with a three-dimensional optical motion capture system. Each subject performed twenty total swings, ten from the right and ten from the left. The swings were digitally analyzed and the dependent measures were compared side-to-side. The swing was broken down into specific …
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Decreasing Error in Functional Hip Joint Center Calculation using Ultrasound Imaging
… way for measuring this movement is through an optical motion capture system. This method is fast and economical for most applications where we require an instant HJC even though the reconstruction error in bone position calculation exists due to skin artifact. This error is caused by movement …
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A Virtual Reality Rehabilitation Interface with Augmented Sensing, Interaction, and Visualization Techniques
… sensory input techniques, particularly motion tracking and mapping. In response to this reverted design methodology, the primary object of this thesis is to survey an effective design and engineering paradigm of virtual rehabilitation spaces, including sensing technologies, interaction …
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Stationary Exercise Bicycle Instrumentation and Verification of OpenSim Pelvic Residual Loads in Seated Cycling
… cells, while kinematic data were collected by an optical motion capture system. Participant data were analyzed with the OpenSim residual reduction algorithm (RRA) tool excluding seat and handlebar loads. The RRA pelvic residual was then compared to an experimentally determined handlebar and seat …
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Development and Evaluation of Methods to Assess Physical Exposures in the Workplace
… and typically resource prohibitive. Inertial motion capture (IMC) and in-shoe pressure measurement (IPM) systems are emerging wearable technologies, and they can, respectively, facilitate monitoring of body kinematics and external forces on the body in the workplace. Thus, this research …
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Using magneto-inertial-measurement-units to track upper-limb movement during rehabilitation
… is the automatic tracking of upper-limb motion during intensive and functional practise of upper-limb tasks. To achieve this in a home environment, simple on-body sensors are required. A promising approach is to use Magnetic and Inertial Measurement Units (MIMUs), but they provide …
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An investigation into the efficacy of kinematics and kinetics method for stride-characteristic measurements of horses trotting on a treadmill
… taken from the sternum by means of an Optical Motion Capture System (OMCS) and an Inertia Measurement Unit (IMU), in comparison with OMCS hoof markers. Measurements were taken from sound horses of a range of breeds, trotting at self-selected speeds on a treadmill (OMCS N=15; IMU N=4). …
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The use of inertial measurement units for the determination of gait spatio-temporal parameters
… acceleration, velocity and position versus an optical motion capture system (OMCS) in TDA. The second study addressed the validity of the IMU and inverted pendulum model measurements within PD and also explored the inter-rater reliability of the measurement. In the third study the optimisation …
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Kinematics of the equine axial skeleton during aqua-treadmill exercise
… quantify the effect of water depth on locomotion in order to optimise aqua-treadmill protocols to see improved rehabilitation from injury or to exercise horses more effectively for their chosen discipline. Much of the current aqua-treadmill literature focusses on the effects of water on …
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Applicability of IMU in Clinical Research: Improving Upper Limbs Sensor-to-segment Calibration
… Units (IMU) represent a staple in contemporary motion tracking technology, and they have countless applications in sports, animation, clinical research and biomechanics due to their portability, reliability and low cost. However, several challenges related to orientation estimation, …
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Exploring physiotherapist movement during patient and therapeutic handling in a laboratory setting.
… feasibility and application of three-dimensional motion analysis in a laboratory setting to quantify physiotherapists' movement and associated musculoskeletal risk during neurological patient and therapeutic handling tasks. A secondary aim was to explore how physiotherapist positioning influences …
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A 3D neuromuscular model of the human ankle-foot complex based on multi-joint biplanar fluoroscopy gait analysis
… geometry from segmented CT. Hindered by a small capture volume relative to traditional optical motion capture (MOCAP), BiFlo applications to human movement are generally limited to single-joint motions with constrained range. Here, a hybrid procedure is developed for multi-joint gait analysis …
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