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- W1968997646 abstract "Blindness is a sensory disability which is difficult to treat but can to some extent be helped by artificial aids. The paper describes the design aspects of one such visual aid, which is based on the principle of 'air sonar.' Such a visual aid is also known as a sonocular perception system. The blind person will wear ultrasonic eyeglasses which has ultrasonic sensor (transmitter and receiver) array embedded on it. The ultrasonic sound from the transmitter array is reflected back by objects in the 3-D visual field in front of the blind subject. The received signal is processed to extract information about these objects. This information is presented stereophonically for auditory perception. Experimental results and inferences regarding design issues and the system implementation are also presented. We also present performance results of a novel method to efficiently transform the visual field information into auditory signal to aid navigation." @default.
- W1968997646 created "2016-06-24" @default.
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- W1968997646 date "2004-04-07" @default.
- W1968997646 modified "2023-10-16" @default.
- W1968997646 title "<title>Implementation of stereophonic sonocular perception system using digital beam forming technique</title>" @default.
- W1968997646 doi "https://doi.org/10.1117/12.560779" @default.
- W1968997646 hasPublicationYear "2004" @default.
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