App uses a smartphone's camera to guide the blind to bus stops

While there are already apps that guide blind users to a bus stop's approximate GPS coordinates, those people may unknowingly end up standing too far away from the actual stop. A new app addresses that shortcoming, by letting the smartphone's camera in on the act.

App uses a smartphone's camera to guide the blind to bus stops
While there are already apps that guide blind users to a bus stop's approximate GPS coordinates, those people may unknowingly end up standing too far away from the actual stop. A new app addresses that shortcoming, by letting the smartphone's camera in on the act.