TY - JOUR
T1 - Movilidad para invidentes utilizando el GPS del teléfono inteligente y un dispositivo táctil vestible
AU - Velázquez-Guerrero, Ramiro
AU - Pissaloux, Edwige
AU - Del-Valle-Soto, Carolina
AU - Carrasco-Zambrano, Miguel Ángel
AU - Mendoza-Andrade, Abraham
AU - Varona-Salazar, Jorge
N1 - Publisher Copyright:
© 2021 Publicaciones Dyna Sl. All rights reserved.
PY - 2021/1
Y1 - 2021/1
N2 - This paper presents a novel wearable system devoted to assist the mobility of blind and visually impaired people in urban environments with the simple use of a smartphone and tactile feedback. The system exploits the positioning data provided by the smartphone's GPS sensor to locate in real-time the user in the environment and to determine the directions to a destination. The resulting navigational directions are encoded as vibrations and conveyed to the user via an on-shoe tactile display. To validate the pertinence of the proposed system, two experiments were conducted. The first one involved a group of 20 voluntary normally sighted subjects that were requested to recognize the navigational instructions displayed by the tactile-foot device. The results show high recognition rates for the task. The second experiment consisted of guiding two blind voluntary subjects along public urban spaces to target destinations. Results show that the task was successfully accomplished and suggest that the system enhances independent safe navigation of people with visually impairments. Moreover, results show the potentials of smartphones and tactile-foot devices in assistive technology.
AB - This paper presents a novel wearable system devoted to assist the mobility of blind and visually impaired people in urban environments with the simple use of a smartphone and tactile feedback. The system exploits the positioning data provided by the smartphone's GPS sensor to locate in real-time the user in the environment and to determine the directions to a destination. The resulting navigational directions are encoded as vibrations and conveyed to the user via an on-shoe tactile display. To validate the pertinence of the proposed system, two experiments were conducted. The first one involved a group of 20 voluntary normally sighted subjects that were requested to recognize the navigational instructions displayed by the tactile-foot device. The results show high recognition rates for the task. The second experiment consisted of guiding two blind voluntary subjects along public urban spaces to target destinations. Results show that the task was successfully accomplished and suggest that the system enhances independent safe navigation of people with visually impairments. Moreover, results show the potentials of smartphones and tactile-foot devices in assistive technology.
KW - Assistive technology
KW - GPS localization
KW - Mobility of blind people
KW - Tactile-foot stimulation
KW - Vibrotactile display
KW - Wearable system
UR - http://www.scopus.com/inward/record.url?scp=85141109115&partnerID=8YFLogxK
U2 - 10.6036/9635
DO - 10.6036/9635
M3 - Article
AN - SCOPUS:85141109115
SN - 0012-7361
VL - 96
SP - 98
EP - 104
JO - Dyna (Spain)
JF - Dyna (Spain)
IS - 1
ER -