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This paper proposes a new electronic mobility cane (EMC) for providing obstacle detection and way-finding assistance to the visually impaired people. The main feature of this cane is that it constructs the logical map of the surrounding environment to deduce the priority information. It provides a simplified representation of the surrounding environment without causing any information overload. It...
Way-finding Electronic Bracelet (WEB) for visually impaired (subject) is a portable embedded system for obstacle detection and way-finding. This MSP430G2553 processor based real-time system employs single Maxbotix MB1340 ultrasonic transceiver mounted on customized circular bracelet for detecting obstacle in the range 20 to 600 centimetres. Half duplex wireless communication is used for invoking vibrotactile...
This paper presents an electronic navigation system for visually impaired and blind people (subject). This system understands obstacles around the subject up to 500 cm in front, left and right direction using a network of ultrasonic sensors. It effectively calculates distance of the detected object from the subject and prepares navigation path accordingly avoiding obstacles. It uses speech feedback...
This paper presents an electronic travel aid for blind people to navigate safely and quickly, an obstacle detection system using ultrasonic sensors and USB camera based visual navigation has been considered. The proposed system detects the obstacles up to 300 cm via sonar and sends feedback (beep sound) to inform the person about its location. In addition to this, an USB webcam is connected with eBox...
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