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Design and implementation of a remote assistance application for persons with visual impairments
Nagaraj, Varsha
Nagaraj, Varsha
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2021-07
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Abstract
Individuals who are Blind or Visually Impaired (BVI) confront numerous problems
when completing regular duties or exploring new places. Getting assistance from strangers is
not always desirable in such situations. With the advancement of technology, BVI individuals
can utilize assistive technologies like screen readers or accessibility features on smart phones
to access applications to solve some of these daily challenges, but there remain several tasks
that still require some sort of human assistance. Some current approaches to provide remote
assistance through video calls are either too expensive or do not employ helpers whom a
BVI individual can fully trust.
This work concentrates on design and implementation of a cross-platform mobile
application called GuideCall that enables BVI individuals to contact a single volunteer helper
through video-call interface from one of numerous pre-built situation appropriate groups
of trusted individuals. Such hybrid mobile development capabilities allow both BVI and
helpers to connect across a diverse array of computing systems that are typically limited
to one form-factor device and/or operating system. It also includes a Helper-Guide for
inexperienced volunteers, focusing on o ering e ective remote-guide methods. Evaluations
based on preliminary data reveal GuideCall to be reasonably e cient in many of the daily
chores that BVI residents face, potentially proving to be a cost-e ective way to receive
assistance while increasing con dence in the quality and safety of the support.
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Thesis (M.S.)-- Wichita State University, College of Engineering, Dept. of Electrical Engineering and Computer Science
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Wichita State University
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© Copyright 2021 by Varsha Nagaraj
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