Results 211 to 220 of about 2,053,382 (265)
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Measuring body points on automobile drivers using multiple cameras
Image and Vision Computing, 1997Methods are given for measuring 3D points on human drivers of automobiles. Points are natural body features marked by special targets placed on the body. The measurements are needed for improved comfort and accommodation in automotive seat design. The measurement methods required hardware instrumentation in the automobile and development of algorithms ...
George Stockman +3 more
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3D Joints Extraction Using Single Frame Human Body Point Cloud
Frontiers in Optics / Laser Science, 2020We demonstrate 3D joints extraction from a single frame human body point cloud captured by a 3D camera. Average normalized error is less than 5.7 cm for 12 joints in the human body.
Tianxu Xu +7 more
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Interest lower body point's detection for markerless gait analysis
2014 4th International Conference on Image Processing Theory, Tools and Applications (IPTA), 2014Tracking articulated interest points for human motion analysis is a challenging task in computer vision. Most of existing works use artificial markers placed on the body to facilitate their location. Alternative markerless strategies present limitations caused by the use of some predictive models which are time consuming and sensitive to speed and ...
Ahmed Derbel +5 more
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Soft Tissue and Foreign Body Point-of-Care Ultrasound
Medical Clinics of North AmericaBedside point-of-care ultrasound (POCUS) has a high utility in clinical settings for scanning soft tissue-related conditions such as skin and soft tissue infections, identifying abscesses or necrotizing soft tissue infections, localization and extraction of embedded foreign bodies, and assessing hospitalized patients for sarcopenia.
Lindsay, Walsh, Nicole M, Duggan
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DETERMINATION OF NEUTRON EFFECTIVE DOSES IN WHOLE BODY POINT SOURCE EXPOSURES
Radiation Protection Dosimetry, 2017The objective of this work is to obtain fluence to effective dose conversion coefficients for neutron point sources, using the GEANT4 toolkit. These calculations aim to investigate the aspects of neutron transport in the human body through Monte Carlo simulation using the International Commission on Radiological Protection (ICRP) voxel phantoms ...
Rosane Moreira, Ribeiro +1 more
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Tri-dimensional and triphasic muscle organization of whole-body pointing movements
Neuroscience, 2010Previous kinematic and kinetic studies revealed that, when accomplishing a whole-body pointing task beyond arm's length, a modular and flexible organization could represent a robust solution to control simultaneously target pointing and equilibrium maintenance.
E, Chiovetto, B, Berret, T, Pozzo
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Distribution of Fiducial Registration Error in Rigid-Body Point-Based Registration
IEEE Transactions on Medical Imaging, 2009Rigid-body point-based registration is frequently used in computer assisted surgery to align corresponding points, or fiducials, in preoperative and intraoperative data. This alignment is mostly achieved by assuming the same homogeneous error distribution for all the points; however, due to the properties of the medical instruments used in measuring ...
Mehdi Hedjazi, Moghari +1 more
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Coordination between equilibrium and hand trajectories during whole body pointing movements
Experimental Brain Research, 2002We examined the coordination between equilibrium and voluntary pointing movements executed from the standing position, using the whole body. It has previously been shown that trunk movement has little effect upon kinematic characteristics of hand pointing when movements are executed in the sitting position.
Thierry, Pozzo +2 more
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The Distribution of Target Registration Error in Rigid-Body, Point-Based Registration
IEEE Transactions on Medical Imaging, 1999Guidance systems designed for neurosurgery, hip surgery, spine surgery and for approaches to other anatomy that is relatively rigid can use rigid-body transformations to accomplish image registration. These systems often rely on point-based registration to determine the transformation and many such systems use attached fiducial markers to establish ...
J M, Fitzpatrick, J B, West
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Body pointing, acquisition and tracking for small satellite laser communication
Free-Space Laser Communications XXXI, 2019Free-space optical communications in space offer many benefits over established radio frequency based communication links; in particular, high beam directivity results in efficient power usage. Such a reduced power requirement is particularly appealing to small satellites with strict size, weight and power (SWaP) requirements. In the case of free-space
Jessica Chang +5 more
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