Results 21 to 30 of about 22,581 (264)

A new pupil localization method from rough to precise in gaze tracking

open access: yes工程科学学报, 2019
The gaze tracking technology is widely used in many fields, and it has a broad application prospect in the field of human-computer interaction. The technology is based on the eye characteristic parameters and the gaze parameters, and it estimates the ...
Qing LI   +4 more
doaj   +1 more source

Double-Center-Based Iris Localization and Segmentation in Cooperative Environment with Visible Illumination

open access: yesSensors, 2023
Iris recognition has been considered as one of the most accurate and reliable biometric technologies, and it is widely used in security applications. Iris segmentation and iris localization, as important preprocessing tasks for iris biometrics, jointly ...
Jiangang Li, Xin Feng
doaj   +1 more source

Semantic Segmentation of Periocular Near-Infra-Red Eye Images Under Alcohol Effects

open access: yesIEEE Access, 2021
This paper proposes a new framework to detect, segment, and estimate the localization of the eyes from a periocular Near-Infra-Red iris image under alcohol consumption.
Juan E. Tapia   +5 more
doaj   +1 more source

Computational localization microscopy with extended axial range [PDF]

open access: yes, 2018
A new single-aperture 3D particle-localization and tracking technique is presented that demonstrates an increase in depth range by more than an order of magnitude without compromising optical resolution and throughput. We exploit the extended depth range
Carles Santacana, Guillem   +3 more
core   +1 more source

Interaural speech asymmetry predicts bilateral speech intelligibility but not listening effort in adults with bilateral cochlear implants

open access: yesFrontiers in Neuroscience, 2022
IntroductionBilateral cochlear implants (BiCIs) can facilitate improved speech intelligibility in noise and sound localization abilities compared to a unilateral implant in individuals with bilateral severe to profound hearing loss.
Emily A. Burg   +5 more
doaj   +1 more source

Local ensemble transform Kalman filter, a fast non-stationary control law for adaptive optics on ELTs: theoretical aspects and first simulation results [PDF]

open access: yes, 2014
We propose a new algorithm for an adaptive optics system control law, based on the Linear Quadratic Gaussian approach and a Kalman Filter adaptation with localizations.
Bertino, Laurent   +6 more
core   +5 more sources

Intelligent Evaluation of Strabismus in Videos Based on an Automated Cover Test

open access: yesApplied Sciences, 2019
Strabismus is a common vision disease that brings about unpleasant influence on vision, as well as life quality. A timely diagnosis is crucial for the proper treatment of strabismus.
Yang Zheng   +7 more
doaj   +1 more source

Uncovering the locus coeruleus: Comparison of localization methods for functional analysis

open access: yesNeuroImage, 2021
Functional neuroimaging of small brainstem structures in humans is gaining interest due to their potential importance in aging and many clinical conditions. Researchers have used different methods to measure activity in the locus coeruleus (LC), the main
Verónica Mäki-Marttunen   +1 more
doaj   +1 more source

KERNOHAN’S NOTCH PHENOMENON IN AN ACUTE COMPONENTED CHRONIC SUBDURAL HEMATOMA PATIENT: A CASE REPORT

open access: yesMalang Neurology Journal, 2022
Kernohan's notch phenomenon is a rare examination finding in cases diagnosed as an intracranial space-occupying lesion. The localization of the space-occupying lesion in this clinical status, which is considered as a sign of herniation, is on the ...
Ziya Asan
doaj   +1 more source

Millisecond single-molecule localization microscopy combined with convolution analysis and automated image segmentation to determine protein concentrations in complexly structured, functional cells, one cell at a time [PDF]

open access: yes, 2015
We present a single-molecule tool called the CoPro (Concentration of Proteins) method that uses millisecond imaging with convolution analysis, automated image segmentation and super-resolution localization microscopy to generate robust estimates for ...
Leake, Mark C., Wollman, Adam J. M.
core   +2 more sources

Home - About - Disclaimer - Privacy