Results 41 to 50 of about 38,687,490 (295)

Automatic camera selection for activity monitoring in a multi-camera system for tennis [PDF]

open access: yes, 2009
In professional tennis training matches, the coach needs to be able to view play from the most appropriate angle in order to monitor players' activities.
Ó Conaire, Ciarán   +7 more
core   +1 more source

Beta1 subunits enable fentanyl‐induced BK channel activation and opioid regulation of cerebral artery diameter

open access: yesFEBS Open Bio, EarlyView.
During the current opioid crisis, the majority of overdose deaths are attributed to ultra‐potent synthetic opioids, such as fentanyl. While fentanyl exerts its action via opioid receptors, we propose that potassium channels in the brain blood vessels may also sense fentanyl.
Shiwani Thapa   +4 more
wiley   +1 more source

Two improved forensic methods of detecting contrast enhancement in digital images [PDF]

open access: yes, 2014
Contrast enhancements, such as histogram equalization or gamma correction, are widely used by malicious attackers to conceal the cut-and-paste trails in doctored images.
Xufeng Lin   +5 more
core   +1 more source

Remote Vital Signs Monitoring in Neonatal Intensive Care Unit Using a Digital Camera [PDF]

open access: yes, 2022
Conventional contact-based vital signs monitoring sensors such as pulse oximeters or electrocardiogram (ECG) may cause discomfort, skin damage, and infections, particularly in neonates with fragile, sensitive skin.
Perera, Asanka G.   +4 more
core   +1 more source

Selection of a digital camera for an optical microscope

open access: yesТехнологія та конструювання в електронній апаратурі, 2004
A method is considered for the proper selection of a digital camera for an optical microscope, taking into account their spatial resolution. Four types of digital cameras are examined as image sensors for optical microscopes: a color camera with a Bayer ...
V. N. Borovitsky
doaj  

Deep Learning Pose Estimation for Phenotyping of Co‐Occurring Hyperkinetic Movement Disorders

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore whether routine outpatient video combined with deep learning‐based pose estimation and clinically interpretable kinematic features can support multi‐label phenotyping of co‐occurring hyperkinetic movement disorders (HMDs).
Laura Cif   +17 more
wiley   +1 more source

Dual Illumination Planar Doppler Velocimetry using a Single Camera [PDF]

open access: yes, 2003
A Planar Doppler Velocimetry (PDV) illumination system has been designed which is able to generate two beams, separated in frequency by about 600 MHz. This allows a common-path imaging head to be constructed, using a single imaging camera instead of ...
Nobes, David S.   +7 more
core   +1 more source

Dynamic Object Mapping Generation Method of Digital Twin Construction Scene

open access: yesBuildings
The construction environment is a highly dynamic and complex system, presenting challenges for accurately identifying and managing dynamic resources in digital twin-based scenes.
Jingwen Fang   +6 more
doaj   +1 more source

Camera-enabled techniques for organic synthesis

open access: yesBeilstein Journal of Organic Chemistry, 2013
A great deal of time is spent within synthetic chemistry laboratories on non-value-adding activities such as sample preparation and work-up operations, and labour intensive activities such as extended periods of continued data collection.
Steven V. Ley   +3 more
doaj   +1 more source

QUALITY OF 3D POINT CLOUDS FROM HIGHLY OVERLAPPING UAV IMAGERY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
UAVs are becoming standard platforms for photogrammetric data capture especially while aiming at large scale aerial mapping for areas of limited extent.
N. Haala, M. Cramer, M. Rothermel
doaj   +1 more source

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