Visual Impairment and Blindness Essay

Visual Impairment and Blindness Essay

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Visual impairment and blindness caused by various diseases has been hugely reduced, but there are many people who are at risk of age-related visual impairment. Visual information is most important for any navigational tasks, so visually impaired people are at disadvantage because necessary information about the surrounding environment is not available. With the wide development in inclusive technology it is possible to extend the support given to people with visual impairment during their mobility. In this context we propose a system, named Smart Vision, whose objective is to give blind users the ability to move around in unfamiliar environment, whether indoor or outdoor, through a user friendly interface. This paper is concerned mainly in the advancement of the computer vision module of the Smart Vision system.
Keyword— Obstacle detection, Blind people, Camera, RFID, GPS, LPC2148, Voice circuit
I INTRODUCTION— The objective of this project is to design a product which is very much useful to those people who are visually impaired and are often has to rely on others. It allows the user to walk freely by detecting obstacles. The obstacle will be detected by using various image processing techniques such as pre-processing, segmentation, adaptive thresholding, and piece wise linear approach. This project is based on ARM7 LPC2148. Image will be captured using a camera and the camera is connected to the PC. If any obstacle comes in front of blind person, he will get to know about the obstacle by hearing the sound generated by the speaker for which we will use APR9600. For outdoor environment we will use GPS. Coordinates of various locations will be stored in EEPROM and if the blind person reaches that location he will get to know the...


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Visual Impairment and Blindness Essay

- Visual impairment and blindness caused by various diseases has been hugely reduced, but there are many people who are at risk of age-related visual impairment. Visual information is most important for any navigational tasks, so visually impaired people are at disadvantage because necessary information about the surrounding environment is not available. With the wide development in inclusive technology it is possible to extend the support given to people with visual impairment during their mobility....   [tags: smart vision system, software]

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