Tracking and data association
Finite difference schemes and partial differential equations
Finite difference schemes and partial differential equations
Three-dimensional computer vision: a geometric viewpoint
Three-dimensional computer vision: a geometric viewpoint
3-D sound for virtual reality and multimedia
3-D sound for virtual reality and multimedia
Introductory Techniques for 3-D Computer Vision
Introductory Techniques for 3-D Computer Vision
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This paper describes the design of an Electronic Travel Aid device, that will enable blind individuals to "see the world with their ears." A wearable prototype will be assembled using low-cost hardware: earphones, sunglasses fitted with two CMOS micro cameras, and a palmtop computer. Currently, the system is able to detect the light spot produced by a laser pointer, compute its angular position and depth, and generate a correspondent sound providing the auditory cues for the perception of the position and distance of the pointed surface. In this way the blind person can use a common pointer as a replacement of the cane.