Getting in Touch: Virtual Maps for the Blind: Scientific American

Some more interesting work to assist the orientation of visually impaired people in the built environment.

Getting in Touch: Virtual Maps for the Blind: Scientific American: "Researchers in Greece have developed a new system that converts video into virtual, touchable maps for the blind. The three-dimensional maps use force fields to represent walls and roads so the visually impaired can better understand the layout of buildings and cities."