Virtual Guide Dog: Next-generation pedestrian signal for the visually impaired

@article{Zhong2019VirtualGD,
  title={Virtual Guide Dog: Next-generation pedestrian signal for the visually impaired},
  author={Zijia Zhong and Joyoung Lee},
  journal={Advances in Mechanical Engineering},
  year={2019},
  volume={12}
}
Accessible pedestrian signal was proposed as a mean to achieve the same level of service that is set forth by the Americans with Disabilities Act for the visually impaired. One of the major issues of existing accessible pedestrian signals is the failure to deliver adequate crossing information for the visually impaired. This article presents a mobile-based accessible pedestrian signal application, namely, Virtual Guide Dog. Integrating intersection information and onboard sensors (e.g. GPS… 
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