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Cognitive Aspects of Spatial Orientation

2018 Acta Polytechnica Hungarica  
We illustrate practical impact of emerging CogInfoCom methods on people with special needs, in particular, those with vision impairment.  ...  We examine possibilities for merging methods for sensing and modeling of cognitive capabilities and cognitive styles with the concept of cognitive infocommunications.  ...  Acknowledgments This research has been supported by the Technology Agency of the Czech Republic under the research program TE01020415 (V3C -Visual Computing Competence Center) and by the project Navigation  ... 
doi:10.12700/aph.15.5.2018.5.9 fatcat:exzbokky2zd7nl5oaakhs52pru

Outdoor difficulties experienced by a group of visually impaired Iranian people

Abbas Riazi, Fatemeh Riazi, Rezvan Yoosfi, Fatemeh Bahmeei
2016 Journal of Current Ophthalmology  
Propose: A qualitative approach using semi-structured individual interviews was used to elicit common outdoor difficulties in individuals with visual impairment.  ...  Results: All participants had experienced some sort of difficulty in outdoor environments.  ...  Acknowledgments The authors would like to thank the participants for their time and patience. Special thanks to Dr. Aziz Rabie for his very helpful assistance in preparation of this manuscript.  ... 
doi:10.1016/j.joco.2016.04.002 pmid:27331153 pmcid:PMC4909643 fatcat:67jqtnqbdrgwbl2ly4xcazptjq

Aesthetics and the perceived stigma of assistive technology for visual impairment

Aline Darc Piculo dos Santos, Ana Lya Moya Ferrari, Fausto Orsi Medola, Frode Eika Sandnes
2020 Disability and Rehabilitation: Assistive Technology  
Purpose: The aim of this study was to identify factors that influence the perceived stigma of two assistive devices for visual impairment, namely the white cane and smart glasses.Method: Face-to-face semi-structured  ...  Designers should, therefore, consider aesthetics in addition to functionality in order to avoid the perceived stigma, thereby reducing the chances of device abandonment.IMPLICATIONS FOR REHABILITATIONUnderstanding  ...  Another idea mentioned four times was the creation of a device that could interpret the environment and function as the visual sensory system for the user.  ... 
doi:10.1080/17483107.2020.1768308 pmid:32501732 fatcat:yda65hxv7na3xa5sdjv4e2c34q

Wayfinding Tools for People With Visual Impairments in Real-World Settings: A Literature Review of Recent Studies

Amy T. Parker, Martin Swobodzinski, Julie D. Wright, Kyrsten Hansen, Becky Morton, Elizabeth Schaller
2021 Frontiers in Education  
use while navigating indoors and/or outdoors in dynamic travel contexts.  ...  Within this investigation, we discovered some characteristics of participants with visual impairments, routes traveled, and real-world environments that have been included in recent wayfinding research  ...  ACKNOWLEDGMENTS The authors would like to acknowledge the American Printing House for the Blind for their partnership in support of the work presented in this paper.  ... 
doi:10.3389/feduc.2021.723816 fatcat:djb7fgsmwjcrjlvvq7m56fv5ni

Mobile assistive technologies for the visually impaired

Lilit Hakobyan, Jo Lumsden, Dympna O'Sullivan, Hannah Bartlett
2013 Survey of ophthalmology  
We then discuss innovative assistive applications designed for the visually impaired that are either delivered via mainstream devices and can be used while in motion (e.g., mobile phones) or are embedded  ...  We review research and innovation within the field of mobile assistive technology for the visually impaired and, in so doing, highlight the need for successful collaboration between clinical expertise,  ...  Although we describe many laudable and exciting innovations in the field of mobile assistive technology for the visually impaired, only in a minority of cases has a user-centered design philosophy been  ... 
doi:10.1016/j.survophthal.2012.10.004 pmid:24054999 fatcat:ztgeb26tivhunhnoqubjhrw6ku

Location based Services for the Blind Supported by RFID Technology

H. Fernandes, Vitor Filipe, Paulo Costa, João Barroso
2014 Procedia Computer Science  
In this article we propose a navigation system that uses RFID as the main technology to guide people with visual impairment in unfamiliar environments, both indoor and outdoor, complementing the traditional  ...  These systems use the Global Positioning System (GPS) and only work well in outdoor environment since GPS signals cannot easily penetrate and/or are greatly degraded inside of buildings.  ...  Acknowledgements The work presented in this paper is funded by the Portuguese Foundation for Science and Technology (FCT), through the project RIPD/ADA/109690/2009 -Blavigator: A cheap and reliable navigation  ... 
doi:10.1016/j.procs.2014.02.002 fatcat:pbkf27bdazd4jfqcujurjrdyza

Sensor-Based Assistive Devices for Visually-Impaired People: Current Status, Challenges, and Future Directions

Wafa Elmannai, Khaled Elleithy
2017 Sensors  
In this paper, we present a comparative survey of the wearable and portable assistive devices for visually-impaired people in order to show the progress in assistive technology for this group of people  ...  There have been several systems designed to support visually-impaired people and to improve the quality of their lives. Unfortunately, most of these systems are limited in their capabilities.  ...  • Mobile Crowd Assisted Navigation for the Visually-impaired (Mobile Crowd Ass Nav) A webapp over Google engine for smartphones called Mobile Crowd Assisted Navigation was developed in [53] to navigate  ... 
doi:10.3390/s17030565 pmid:28287451 pmcid:PMC5375851 fatcat:ppqg35ds6rezbkxa7h35ja6ccq

Smart homecare technologies for the visually impaired: recent advances

Bruno Ando, Cristian Orazio Lombardo, Vincenzo Marletta
2014 Smart Homecare Technology and TeleHealth  
The literature is rich in attempts to provide technical solutions to improve quality of life and autonomy for frail people, particularly with regard to the visually impaired.  ...  This review summarizes "state of the art" electronic aids for the visually impaired, and aims to to highlight the benefits and drawbacks of these aids.  ...  ". 45 Our opinion is that haptic user interfaces play a fundamental role in the framework of assistive systems for the visually impaired.  ... 
doi:10.2147/shtt.s56167 fatcat:e6hmgadccrhp5kpsl4botvigue

Automatic Object Detection Algorithm-Based Braille Image Generation System for the Recognition of Real-Life Obstacles for Visually Impaired People

Dayeon Lee, Jinsoo Cho
2022 Sensors  
Ten visually impaired individuals used the assistance system and were satisfied with its performance.  ...  However, accessible public facilities such as tactile pavements and tactile signs are installed only in limited areas globally, and visually impaired individuals use assistive devices such as canes or  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s22041601 pmid:35214510 pmcid:PMC8878643 fatcat:iqquxcorjbakresfgu5sohxiy4

Smart Accessibility: Design Process of Integrated Geospatial Data Models to Present User-Customized Universal Design Information

Sooyeon Rosie Han, Seunghyun Yoon, Suyeon Cho
2020 Frontiers in Psychology  
The analysis found that each user group, namely people with mobility impairments, visual impairments, or hearing impairments, had different barriers, and facilitators in the environment.  ...  The smart accessibility data model developed in this study has implications for designing user-customized multimodal systems, such as wayfinding services and web-based maps, that are useful to everyone  ...  All authors contributed to the conception and design of the study, and manuscript revision, performed the content analysis and field study, and read and approved the submitted version of the manuscript  ... 
doi:10.3389/fpsyg.2019.02951 pmid:31993009 pmcid:PMC6971061 fatcat:l3vgr4kicbagfnhbjvee7m5cqy

Experiencing Indoor Navigation on Mobile Devices

Claudia Barberis, Bottino Andrea, Malnati Giovanni, Montuschi Paolo
2014 IT Professional Magazine  
of the user, thus providing accessible paths of travel for walking-impaired people.  ...  paths based on the actual way-finding habits of the impaired individuals ([4], [7] ).  ... 
doi:10.1109/mitp.2013.54 fatcat:nv4qsxg5hbhblj55jr6hhmv4qm

Use of Auditory Cues and Other Strategies as Sources of Spatial Information for People with Visual Impairment When Navigating Unfamiliar Environments

Hisham E. Bilal Salih, Kazunori Takeda, Hideyuki Kobayashi, Toshibumi Kakizawa, Masayuki Kawamoto, Keiichi Zempo
2022 International Journal of Environmental Research and Public Health  
Standardization is expected to boost the efficiency of auditory cues in providing accurate information and assistance to individuals with visual impairment regardless of their geographical location.  ...  This paper explores strategies that the visually impaired use to obtain information in unfamiliar environments.  ...  However, auditory cues have great potential to compensate for vision loss via conveying visual information to the visually impaired to assist them in performing basic navigational tasks.  ... 
doi:10.3390/ijerph19063151 pmid:35328840 pmcid:PMC8955554 fatcat:4db5yl6yv5hrnhf64jyidf7dfy

An Indoor Routing Algorithm for the Blind: Development and Comparison to a Routing Algorithm for the Sighted

Martin Swobodzinski, Martin Raubal
2009 International Journal of Geographical Information Science  
Former approaches of outdoor navigation systems for the blind are analyzed and deemed inappropriate for the purpose of modeling indoor navigation.  ...  This paper presents a prototypical implementation of a non-network-based indoor routing algorithm for the sighted and the blind. The spatial abilities of the visually impaired are discussed.  ...  Their feedback helped us to improve the quality of the paper and provided us with valuable suggestions for future research efforts.  ... 
doi:10.1080/13658810802421115 fatcat:4d47t4rhmrg55fsk364kpsltvq

User-centered design of a depth data based obstacle detection and avoidance system for the visually impaired

Rabia Jafri, Marwa Mahmoud Khan
2018 Human-Centric Computing and Information Sciences  
This research project was supported by a Grant from the "Research Center of the Female Scientific and Medical Colleges", Deanship of Scientific Research, King Saud University.  ...  Acknowledgements We would like to sincerely thank all the volunteers who participated in the exploratory study.  ...  System design The initial design of a system to assist VI users in detecting and avoiding obstacles while navigating indoors is presented in this section.  ... 
doi:10.1186/s13673-018-0134-9 fatcat:7n3l5jk4a5ex3kng3lpxa3pdyi

Walking Blind: Developing Awareness of Visual Impairment to Support Empathic Design Research Strategies

Deana McDonagh, Joyce Thomas
2019 Zenodo  
The authors took themselves outside their own comfort zones to experience visual impairment in order to appreciate how design students may respond when they experience a range of visual impairments.  ...  to be designing for older users with multiple disabilities.  ...  The authors would like to express their thanks to the University of Illinois Urbana-Champaign and the Campus Research Board who sponsored the research presented in this paper.  ... 
doi:10.5281/zenodo.2596823 fatcat:hflg4u7idbclbovnprytftek34
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