https://www.selleckchem.com/pr....oducts/fenretinide.h
This study proposes a new assistive device for the blind that uses more than one-dimensional data to draw objects. The study aims to convert three-dimensional (3-D) spatial information into sound information using 6-axis and ultrasonic sensors, and to draw a 3-D depiction of the space ahead for the user. Fourteen participants were involved in testing, wherein 4 were visually impaired. Moreover, the male to female ratio was 73, with the average age of participants at 28.8 years. An initial sound recognition experiment was designed to
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