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A Sonar-Based Omni Directional Obstacle Detection System Designed for Blind Navigation

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Abstract:
 
"A Sonar-Based Omni Directional Obstacle Detection System Designed for Blind Navigation", (2004)
Armando B. Barreto and Maroof H. Choudhury

ABSTRACT: A blind navigational aid has been implemented that utilizes a multi directional sonar system for obstacle detection and an electronic compass for traveler heading detection. The system controls and gathers information from the sensors in real-time and presents the navigational information using a 3D audio interface based on Head Related Transfer Functions. This paper describes the hardware and software design for this real-time system.