Guide dogs provide social, physical, and mental benefits to some blind people, but training is an expensive and lengthy process. Therefore, researchers have developed a robot alternative.
Zhongyu Li of the University of California at Berkeley and his colleagues programmed a four-legged, canine-like robot to safely guide people on a leash, even when faced with obstacles and narrow passages.
The researchers fitted an existing robot with a laser removal system to create an accurate map of its surroundings. They also added a rotating camera that stays focused on ….