After Hours

GPS Navigator for Blind Walking in a Campus

Date Added: Nov 2010
Format: PDF

The authors developed a GPS-based navigation device for the blind, with audio guidance in Thai language. The device is composed of simple and inexpensive hardware components. Its user interface is quite simple. It determines optimal routes to various landmarks in their university campus by using heuristic search for the next waypoints. The authors tested the device and made note of its limitations and possible extensions.