189 Hits in 6.2 sec

Detection of Parkinson's Disease Through Automated Pupil Tracking of the Post-illumination Pupillary Response

Thasina Tabashum, Adnaan Zaffer, Raman Yousefzai, Kalea Colletta, Mary Beth Jost, Youngsook Park, Jasvinder Chawla, Bruce Gaynes, Mark V. Albert, Ting Xiao
2021 Frontiers in Medicine  
Tracking the pupil size manually is a tedious process and offline automated systems can be prone to errors that may require intervention; for this reason in this work we describe a system for pupil size  ...  Tracking was automated using a Kalman filter estimating the pupil center and diameter over time.  ...  The tracking of pupil direction and size has a variety of applications, and Kalman filters provide a robust means of estimating size over time in a variety of contexts.  ... 
doi:10.3389/fmed.2021.645293 pmid:33842509 pmcid:PMC8026862 fatcat:an3lul6przdsfabgimdw2vu6oa

Human-vehicle Cooperative Visual Perception for Autonomous Driving under Complex Road and Traffic Scenarios [article]

Yiyue Zhao, Cailin Lei, Yu Shen, Yuchuan Du, Qijun Chen
2022 arXiv   pre-print
The findings can be applied in improving the visual perception algorithms and providing accurate data for planning and control.  ...  However, the complex and uncertain road environments bring great challenges to the visual perception of cooperative systems.  ...  According to research conducted by the Society of Automotive Engineers [1] , the automated driving systems could be divided into six levels, from Level-0(fully manual driving) to Level-5(fully automated  ... 
arXiv:2112.09298v2 fatcat:l3mvnpzldfginnbhoqcgwu3fs4

Gaze and Eye Tracking: Techniques and Applications in ADAS

Khan, Lee
2019 Sensors  
Tracking drivers' eyes and gazes is a topic of great interest in the research of advanced driving assistance systems (ADAS).  ...  In another section of the paper, the applications of eyes and gaze tracking systems in ADAS are discussed.  ...  Between the levels of no automation to full automation, the automated system has an authority to control the vehicle.  ... 
doi:10.3390/s19245540 pmid:31847432 pmcid:PMC6960643 fatcat:5ujzwbbr65dmtpebey2t6bmk5u

RemoteEye: An open-source high-speed remote eye tracker : Implementation insights of a pupil- and glint-detection algorithm for high-speed remote eye tracking

Benedikt Hosp, Shahram Eivazi, Maximilian Maurer, Wolfgang Fuhl, David Geisler, Enkelejda Kasneci
2020 Behavior Research Methods  
This includes methods to effectively and robustly detect and track glints and pupils in the context of high-speed remote eye tracking, which, paired with a geometric eye model, achieved an average gaze  ...  In this paper, we present and evaluate a system designed to track such high-speed eye movements, achieving operating frequencies well beyond 500 Hz.  ...  The Kalman filter can be problematic for the pupil signal, as pupil movements can be very fast and create far jumps in the image.  ... 
doi:10.3758/s13428-019-01305-2 pmid:32212086 fatcat:gpuid2k3azhxljxbgklmr3avmy

Implementation of Drowsiness Detection and Safe Driving System

SeongSe Cho, Student, Hanseo University, Korea, WonHyuk Choi, Professor, Hanseo University, Korea
2020 International Journal of IT-based Public Health Management  
state are determined by measuring the angle changes of the head associated with the operation time, We want to implement a system that alerts the drowsy driver according to the result.  ...  The drowsiness detection system proposed in this paper was confirmed that it would be easy to manufacture and practical by applying low cost parts.  ...  In order to solve this problem, it is confirmed that the signal stability for acquiring the warning condition is secured by applying the extended Kalman filter by fusing the two signals.  ... 
doi:10.21742/ijiphm.2020.7.1.01 fatcat:4bqumrqmhzbxxbbdgb3popfcji

Real-Time Estimation of Drivers' Trust in Automated Driving Systems

Hebert Azevedo-Sa, Suresh Kumaar Jayaraman, Connor T. Esterwood, X. Jessie Yang, Lionel P. Robert, Dawn M. Tilbury
2020 International Journal of Social Robotics  
Such trust measurement technique paves a path for the design of trust-aware automated driving systems capable of changing their behaviors to control drivers' trust levels to mitigate both undertrust and  ...  A modern challenge for automotive engineers is to avoid these trust miscalibration issues through the development of techniques for measuring drivers' trust in the automated driving system during real-time  ...  Victor Paul in helping with the study design. The authors would also like to thank Quantum Signal, LLC, for providing ANVEL software and their development support.  ... 
doi:10.1007/s12369-020-00694-1 fatcat:pr2j3elte5bynappljx4xdljpm

Eyeball Controlled Wheelchair

2020 Journal of science and technolgy  
And thereby the wheelchair is constrained by a user's eye gesture in an indoor space. When the development has been initiated and it is given to the Raspberry pi for processing.  ...  This model comprised of a camera that tracks the eyeball movement and hence the position of the pupil by the image processing technique.  ...  In this manner, we have effectively made a gadget for exhibiting and testing eye-based interfaces at an exceptionally minimal effort and high proficiency which can be utilized for a huge scope in different  ... 
doi:10.46243/jst.2020.v5.i4.pp238-247 fatcat:2zo7zwtjxfdmpnzw7jdi4udmia

Pedestrian Models for Autonomous Driving Part I: low level models, from sensing to tracking [article]

Fanta Camara, Nicola Bellotto, Serhan Cosar, Dimitris Nathanael, Matthias Althoff, Jingyuan Wu, Johannes Ruenz, André Dietrich, Charles W. Fox
2020 arXiv   pre-print
Technologies at these levels are found to be mature and available as foundations for use in higher level systems such as behaviour modelling, prediction and interaction control.  ...  This self-contained Part I covers the lower levels of this stack, from sensing, through detection and recognition, up to tracking of pedestrians.  ...  The following are some of the most popular variants of Bayesian Filtering used for pedestrian point tracking: a) Kalman Filter: A Bayes filter applied to linear systems with continuous states -i.e. its  ... 
arXiv:2002.11669v1 fatcat:fgg5j5jdwrbujjgtj2uhgrx2am

Multi-sensor driver drowsiness monitoring

P Boyraz, M Acar, D Kerr
2008 Proceedings of the Institution of mechanical engineers. Part D, journal of automobile engineering  
For designing a feature space to be used in decision making, several metrics are derived using histograms and entropies of the signals.  ...  For validation of this hypothesis, 30 subjects, in normal and sleep-deprived conditions, are involved in a standard highway simulation for 1.5 h, giving a data set of 30 pairs.  ...  If the Kalman filter or its versions (unscented Kalman Filter and extended/Kalman Filter) is to be used it is beneficial to employ an analogy of the Kalman filter for sensor fusion; the states can be selected  ... 
doi:10.1243/09544070jauto513 fatcat:qotrdtrls5b7vfobzs5uj5u7su

Pedestrian Models for Autonomous Driving Part I: Low-Level Models, From Sensing to Tracking

Fanta Camara, Nicola Bellotto, Serhan Cosar, Dimitris Nathanael, Matthias Althoff, Jingyuan Wu, Johannes Ruenz, Andre Dietrich, Charles Fox
2020 IEEE transactions on intelligent transportation systems (Print)  
Technologies at these levels are found to be mature and available as foundations for use in high-level systems, such as behaviour modelling, prediction and interaction control.  ...  This self-contained Part I covers the lower levels of this stack, from sensing, through detection and recognition, up to tracking of pedestrians.  ...  The following are some of the most popular variants of Bayesian Filtering used for pedestrian point tracking: a) Kalman Filter (KF): A KF is a Bayes filter applied to linear systems with continuous states  ... 
doi:10.1109/tits.2020.3006768 fatcat:awa5dgk4rbazteetyyqrndbgxq

Recycling a Landmark Dataset for Real-time Facial Capture and Animation with Low Cost HMD Integrated Cameras

Caio José Dos Santos Brito, Kenny Mitchell
2019 The 17th International Conference on Virtual-Reality Continuum and its Applications in Industry on - VRCAI '19  
Preparing datasets for use in the training of real-time face tracking algorithms for HMDs is costly.  ...  Critical robustness is achieved with measures for mouth region segmentation, blink detection and pupil tracking.  ...  ACKNOWLEDGMENTS We thank the reviewers for their careful feedback. Mark Mine of Walt Disney Studios provided much encouragement.  ... 
doi:10.1145/3359997.3365690 dblp:conf/vrcai/BritoM19 fatcat:4dzxs44xsjbwhgymhmvnghro44

Real-Time Face Eye Tracking and Blink Detection using Event Cameras [article]

Cian Ryan, Brian O Sullivan, Amr Elrasad, Joe Lemley, Paul Kielty, Christoph Posch, Etienne Perot
2020 arXiv   pre-print
Driver monitoring systems (DMS) are in-cabin safety systems designed to sense and understand a drivers physical and cognitive state.  ...  Event cameras are particularly suited to DMS due to their inherent advantages. This paper proposes a novel method to simultaneously detect and track faces and eyes for driver monitoring.  ...  We would like to thank Dr. Petronel Bigioi and Dr. Chris Dainty of Xperi for their support throughout this project.  ... 
arXiv:2010.08278v1 fatcat:gr2yzww6hnajflmisb6onhpbw4

Feature selection for driving fatigue characterization and detection using visual- and signal-based sensors

Khadidja Henni, Neila Mezghani, Charles Gouin-Vallerand, Perrine Ruer, Youssef Ouakrim, Évelyne Vallières
2018 Applied Informatics  
Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Received: 19 July 2018 Accepted: 20 October 2018  ...  Ethics approval and consent to participate All drivers gave their consent to participate, which was approved by institutional ethics committees.  ...  But on the same drivers (the driving videos database is public), in Azim et al. (2014) have shown that based on only two features: (1) PERCLOS and (2) Mouth state, tracked and extracted by the Kalman  ... 
doi:10.1186/s40535-018-0054-9 fatcat:w75wyksewrfbzfzx4fjmdkn63e

Face for Ambient Interface [chapter]

Maja Pantic
2006 Lecture Notes in Computer Science  
This article summarizes our efforts in achieving this goal, enumerates the scientific and engineering issues that arise in meeting this challenge and outlines recommendations for accomplishing this objective  ...  The human face is used to identify other people, to regulate the conversation by gazing or nodding, to interpret what has been said by lip reading, and to communicate and understand social signals, including  ...  Pantic is supported by the Netherlands Organization for Scientific Research Grant EW-639.021.202.  ... 
doi:10.1007/11825890_2 fatcat:m6xuu22fijgcfcls7qcmcewow4


Akshay Uttama Nambi, Ishit Mehta, Anurag Ghosh, Vijay Lingam, Venkata N. Padmanabhan
2019 Proceedings of the 17th Conference on Embedded Networked Sensor Systems - SenSys '19  
The sensors are also used in tandem, for instance, to check that the driver scanned their mirror during a lane change.  ...  We present ALT, a low-cost smartphone-based system for automating key aspects of the driver license test.  ...  system.  ... 
doi:10.1145/3356250.3360037 dblp:conf/sensys/NambiMGLP19 fatcat:dyka6p2sl5habc6xpr365mud6i
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