14 Hits in 8.9 sec

Wearable pupil position detection system utilizing dye-sensitized photovoltaic devices

T. Shigeoka, T. Ninomiya, T. Muro, N. Miki
2008 Sensors and Actuators A-Physical  
Detection of the line-of-sight (LOS) has a variety of applications, such as communication tools for elderly or disabled people, assisting drivers, and effective location of traffic signs.  ...  Arraying the devices on wearable eyeglasses, this system detects the difference in the reflection light from the pupil and the white of the eye and hence determines the position of the pupil.  ...  Acknowledgement This work was supported by Strategic Information and Communications R&D Promotion Programme (SCOPE) by Ministry of Internal Affairs and Communications of Japan (062103002).  ... 
doi:10.1016/j.sna.2007.10.074 fatcat:44djvqw4i5dv3pa4b3bxw3bggm

Wearable Wireless Body Area Nodes for Remote Physiological Signal Monitoring System

M. G. Srinivasa, P. S. Pandian
2019 Journal of Biomedical Science and Engineering  
One form of the Wearable Physiological Monitoring System (WPMS) is the Wearable Body Area Networks (WBAN) used to monitor the health status of the wearer for long durations.  ...  The paper discusses a prototype WBAN based wearable physiological monitoring system to monitor physiological parameters such as Electrocardiogram (ECG) and Electroencephalogram (EEG) acquired using a textile  ...  Karthik Udupa of Vatsalya Hospital Mysore, India for helping to collect the healthy subject's ECG & PPG data. This study was supported by Maharaja Education Trust, Mysore, India.  ... 
doi:10.4236/jbise.2019.122011 fatcat:jbz4qsp3nffbtkmhwqcdhsnc5m

Wearable Travel Aid for Environment Perception and Navigation of Visually Impaired People

Jinqiang Bai, Zhaoxiang Liu, Yimin Lin, Ye Li, Shiguo Lian, Dijun Liu
2019 Electronics  
A lightweight Convolutional Neural Network (CNN)-based object recognition system is developed and deployed on the smartphone to increase the perception ability of VIP and promote the navigation system.  ...  The device consists of a consumer Red, Green, Blue and Depth (RGB-D) camera and an Inertial Measurement Unit (IMU), which are mounted on a pair of eyeglasses, and a smartphone.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics8060697 fatcat:o65dyq4mxne4zaj42r4mj2z4vy

Applications of augmented reality in ophthalmology

Gunes Aydindogan, Koray Kavakli, Afsun Sahin, Pablo Artal, Hakan Urey
2020 Biomedical Optics Express  
of low-vision patients.  ...  In this review, we discuss the current state-of-the-art as well as potential uses of AR in ophthalmology.  ...  [34] Microelectromechanical systems (MEMS) based micromirror scanners provide some desirable image generators for AR-HMD devices due to their collimated laser beams.  ... 
doi:10.1364/boe.405026 pmid:33659087 pmcid:PMC7899512 fatcat:zlqpmco26zdo3dzf57plqhyg4q

A Survey on Internet of Things and Cloud Computing for Healthcare

L. Minh Dang, Md. Jalil Piran, Dongil Han, Kyungbok Min, Hyeonjoon Moon
2019 Electronics  
Moreover, an in-depth review of IoT privacy and security issues, including potential threats, attack types, and security setups from a healthcare viewpoint is conducted.  ...  This survey is conducted to analyze the latest IoT components, applications, and market trends of IoT in healthcare, as well as study current development in IoT and cloud computing-based healthcare applications  ...  The main element of patient monitoring is various types of sensors and wearable devices.  ... 
doi:10.3390/electronics8070768 fatcat:qg7w4bg25fdy7eoas7eaibfkxe

Design of monocular head-mounted displays, with a case study on fire-fighting

J Wilson, P Wright
2007 Proceedings of the Institution of mechanical engineers. Part C, journal of mechanical engineering science  
The design approach is user-focused because of the complexity of the human visual system, and because HMDs are very task, user, and context specific.  ...  The design approach is user-focused because of the complexity of the human visual system, and because HMDs are very task, user, and context specific.  ...  We also thank Ford Motor Company and the Center for Information Technology Research in the Interest of Society (CITRIS).  ... 
doi:10.1243/09544062jmes721 fatcat:mfg4cmlbzjhjjkyrikq6kzvn2u

Three-dimensional display technologies

Jason Geng
2013 Advances in Optics and Photonics  
Therefore, it would be very beneficial to readers of this journal to have a systematic review of state-of-the-art 3D display technologies.  ...  laser, and photonics fields, true 3D display technologies are making their way into the marketplace. 3D movies, 3D TV, 3D mobile devices, and 3D games have increasingly demanded true 3D display with no eyeglasses  ...  Plenoptic function for a single viewer: the spherical coordinate system of the plenoptic function is used to describe the lines of sight between an observer and a scene.  ... 
doi:10.1364/aop.5.000456 pmid:25530827 pmcid:PMC4269274 fatcat:q75xdy4fxff7jepqqfe4luhvqy

Smart Home Personal Assistants: A Security and Privacy Review [article]

Jide S. Edu and Jose M. Such and Guillermo Suarez-Tangil
2020 arXiv   pre-print
However, there are a number of elements that expose these systems to various risks: i) the open nature of the voice channel they use, ii) the complexity of their architecture, iii) the AI features they  ...  Based on this, we discuss open research challenges that can help steer the community to tackle and address current security and privacy issues in SPA.  ...  Since light does not accurately penetrate through an opaque object, this attack requires a line of sight to the targeted SPA devices.  ... 
arXiv:1903.05593v3 fatcat:bu7j5fb23jg6vife5bnc7nccai

2005 MRS Spring Meeting Mixes the Aesthetics and Science of Materials Research

2005 MRS bulletin  
A number of well-known semiconductor systems are difficult to dope (e.g, n-type doping of diamond and Ga-chalcopyrites as well as p-type doping of ZnO and any doping of MgO).  ...  Schubert (Univ. of Stuttgart) reported on recent progress toward wearable PVs and assessed the prospects for crystalline-and amorphous-based solar cells for this application.  ...  Peyghambarian (Univ. of Arizona) and MEMS-based semiconductor lasers reported by O. Solgaard (Stanford) are examples of such devices.  ... 
doi:10.1557/mrs2005.137 fatcat:sfpa2hfzw5aszhv2lxzmll2piy


2022 2022 International Conference on Decision Aid Sciences and Applications (DASA)  
A maximum of 92.90% classification accuracy is obtained using the features of IMF-4 with 10-fold cross-validation. The results conclude that the proposed method can detect AD patients efficiently.  ...  The proposed method can further be used to detect other neurological disorders.  ...  Ιn the context of the ODOS2020 project, a sensing networking architecture is presented to conduct vehicular detection based on MEMS magnetometers, as well as allowing predictive maintenance of the infrastructure  ... 
doi:10.1109/dasa54658.2022.9765271 fatcat:ttqppf4j3navnaxe653mrzmezi


V. V. Gribova, V. O. Strekalev
2020 Vestnik komp iuternykh i informatsionnykh tekhnologii  
based on the state of a person and the state of objects are determined within its framework.  ...  environment based on the declarative model of the virtual simulator to simplify the creation of a virtual environment.  ...  Cameras enable tracking approaches that exploit line-of-sight visibility.  ... 
doi:10.14489/vkit.2020.08.pp.019-028 fatcat:nyet4p3qkvecliahuktcjbkwbu

Smart Sensors For Interoperable Smart Environment

Sara <1980> Bartolini, Tullio Salmon Cinotti
In this work two solution for these type of system are proposed and compared. One of the two solution has been studied and developed in all its aspects during the doctoral period.  ...  Starting from this the location detection is a necessary step in the creation of Smart Environments.  ...  An example of wearable computer is the Thad Starner's eyeglasses (Starner, 2010) .  ... 
doi:10.6092/unibo/amsdottorato/2576 fatcat:q7mhzk3nana3nkdxhxr7gg44qu

The virtual retinal display as a low-vision computer interface: a pilot study

C P Kleweno, E J Seibel, E S Viirre, J P Kelly, T A Furness
Journal of rehabilitation research and development  
Reading speed and acuity tests were collected from 13 low-vision volunteers selected to represent the broad range of partially sighted individuals actively involved in the work force.  ...  Forty-six percent of subjects had highest visual acuity while viewing the VRD; 30% of subjects had highest acuity viewing the CRT; and 24% of subjects had equal acuity across the two displays.  ...  ACKNOWLEDGMENTS This work is in partial fulfillment of Conor Kleweno  ... 
pmid:11563496 fatcat:3utfwvtgyzaqdne33ulgw7tgci

Converging Technologies for Improving Human Performance NANOTECHNOLOGY, BIOTECHNOLOGY, INFORMATION TECHNOLOGY AND COGNITIVE SCIENCE NSF/DOC-sponsored report

Mihail Roco, William Sims Bainbridge
Acknowledgements This es say i s bas ed on th e k eynote lect ure at th e Annual Meeting of th e S wiss Scientific Academies (C ASS), B ern, S witzerland, on Nov ember 30 -Dece mber 2, 2000.  ...  It includes personal opinions and does not necessarily represent the position of the National Science and Technology Council or the National Science Foundation. McKhann, G.M. 2001.  ...  Other ex ternal i mprovements bei ng de veloped by t he Department o f D efense include wearable computers, ballistic and laser eye protection, sensors for detection of ch emical an d bi ological warfare  ...