We demonstrate a system designed to assist a visually impaired individual while moving in an unfamiliar environment. Small and economical color markers are placed in key locations, possibly in the vicinity of other signs (bar codes or text). The user can detect these markers by means of a cell phone equipped with a camera. Our demonstration highlights a… (More)
We present some experimental results concerning exploration of planar contours (more specifically, polygons) using a 2–D haptic device, the Logitech Wingman mouse. With respect to previous work, our project focused on improving the contour tracing experience using the effects provided by the Immersion TouchSense API.