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With the evolution of society, Socially vulnerable groups getting attention gradually, so use technology to solve or help socially vulnerable groups make life more friendly and also have become a major issue.
And although there are many assistive devices can assist visually impaired people to live, but there are still many problems can not be solved, such as the use of guide cane can not sense obstacles upper body when walking or unable to understand the environment and other problems, resulting in danger.
Therefore, the contribution of this paper is to propose an innovative Assistive technology devices conception, through a combination of hardware and software wearable device, design a vest for the visually impaired person can wear and combine with the system which can do image recognition technology to identify surrounding environments.
This paper focuses on visually impaired people when walking issue. Design an environment recognition system and to detect intersection zebra, avoid straying into dangerous lane systems and billboards when they’re walking. For billboards system, through the color histogram filter object by color feature, and do object recognition by SURF feature; crossing detection system, looking straight through Hough Line, then repairing and filtering line, and analysis zebra crossing texture to judge finally.
The system can be modular for the expansion needs of the visually impaired and function. Developing friendly and useful assistive technology devices for visually impaired people.
- Programming Language ：C#
- IDE : Visual Studio 2012
- Library : EmguCV 2.4.0 for x86 (libemgucv-windows-x86-2.4.0.1717.exe)
You could see the slide from the Slide Link
You could read the introduction of paper from Paper Link