Pedestrian Gps Devices For Blind

Unfortunately gps accuracy geographical information system gis data and map matching techniques are adapted to vehicle navigation only and fail in assisting pedestrian navigation especially for the blind.

Pedestrian gps devices for blind. What follows is a product evaluation by the staff of the international braille and technology center for the blind of the gps technology for the blind which is currently available for purchase in the united states. Review of the lazarillo app a free gps navigation app for ios or android phones for travelers who are visually impaired or blind. Gps could provide them with a remarkable autonomy. The device is intended to be used as a localization and guidance system complementary to the.

The computer converts this data to a position on an electronic map of locality. A review of trekker bluetooth version 2 7. This device allows blind pedestrians to cross the road at the right time more quickly and safely while maintaining their orientation throughout the crossing. The outdoor positioning system is based on signals and satellites which give the longitude and latitude to within a metre.

With the addition of devices to give the precise current position and orientation of the blind pedestrian the system could then be used outdoors. In this paper we designed an assistive device for the blind based. Lazarrio is a free navigation app similar to blindsquare and nearby explorer.