本文为美国马里兰大学帕克分校（作者：）的毕业论文，共129页。

本团队的愿景目标是为盲人创建一个导航系统，为此，我们采取了多管齐下的方法。首先，通过调查，我们评估了盲人团体的需求，并围绕这些需求开发了一个系统。然后，利用最新技术，我们将全球定位系统（GPS）、惯性导航单元（INU）、计算机视觉算法以及音频和触觉接口组合到一个系统中。GPS和INU共同提供从一个建筑物到另一个建筑物的室外步行方向，计算机视觉算法识别并定位室内和室外的标志、地标等物体。基于语音的接口将GPS、INU和计算机视觉算法连接在一起，形成一个交互式音频导航设备。最后，触觉界面提供了另一种直观的方向引导系统。由此设计的系统将用户引导到指定的建筑物或重要物体，如移动电话、钱包，甚至卫生间或出口标志。

Team Vision’s goal is to create anavigation system for the blind. To achieve this, we took a multi-prongedapproach. First, through surveys, we assessed the needs of the blind communityand developed a system around those needs. Then, using recent technology, wecombined a global positioning system (GPS), inertial navigation unit (INU),computer vision algorithms, and audio and haptic interfaces into one system.The GPS and INU work together to provide walking directions from building tobuilding when outdoors and the computer vision algorithms identify and locateobjects such as signs and landmarks, both indoors and outdoors. Thespeech-based interface ties the GPS, INU, and computer vision algorithmstogether into an interactive audio-based navigation device. Finally, the hapticinterface provides an alternative intuitive directional guidance system. Theresulting system guides users to specified buildings and to important objectssuch as cellular telephones, wallets, or even restroom or exit signs.

1 引言

2 文献回顾

3 原型系统设计

4 原型系统测试

5 讨论

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