Indoor Environment Navigation for Blind with Voice Feedback
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Abstract
This paper presents assistive system for visually impaired with voice feedback which focuses on independent movement of blind people who suffer in an unknown environment with no assistance. This system has Radio Frequency Identification (RFID) for the path guidance identifying certain paths for the navigation which give features such as location identification. This proposed system on the user side include a RFID reader module with an integrated microcontroller, zigbee transceiver for transmitting the tag’s information and for playing information to the blind person were on the server side zigbee transceiver for communication. For the direction identification technique, RFID passive tag is employed on the path and for location recognition required tools and r building will be embedded with passive RFID tags. A data unique to each object and path location is on the server. The RFID reader reads the RFID tags and transmits the data by Zigbee to the server PC which in turn locates for the received Tag ID in the database and gives respond to the user with its identification data which is played at the blind person side by converting it from text to speech with the help of SAPI module.
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