publication . Part of book or chapter of book . 2007

a navigation tool for blind people

Mounir Bousbia-Salah; Mohamed Fezari;
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  • Published: 03 Sep 2007
  • Publisher: Springer Netherlands
Abstract
This paper describes the development of a navigation aid in order to assist blind and visually impaired people to navigate easily, safely and to detect any obstacles. The system is based on a microcontroller with synthetic speech output. In addition, it consists of two vibrators, two ultrasonic sensors mounted on the user’s shoulders and another one integrated into the cane. This aid is able to give information to the blind about urban walking routes and to provide real-time information on the distance of over-hanging obstacles within six meters along the travel path ahead of the user. The suggested system consists then in sensing the surrounding environment via...
Subjects
free text keywords: Ultrasonic sensor, Obstacle, Navigation aid, Sonar, Artificial intelligence, business.industry, business, Computer science, Microcontroller, Speech output, Computer vision
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