State of the art review on walking support system for visually impaired people Online publication date: Sat, 21-Mar-2015
by Eklas Hossain; Md Raisuddin Khan; Riza Muhida; Ahad Ali
International Journal of Biomechatronics and Biomedical Robotics (IJBBR), Vol. 1, No. 4, 2011
Abstract: The technology for terrain detection and walking support system for blind people has rapidly been improved the last couple of decades but to assist visually impaired people may have started long ago. Currently, a variety of portable or wearable navigation systems is available in the market to help the blind for navigating their way in his local or remote area. The focused category in this work can be subgroups as electronic travel aids (ETAs), electronic orientation aids (EOAs) and position locator devices (PLDs). However, we will focus mainly on electronic travel aids (ETAs). This paper presents a comparative survey among the various portable or wearable walking support systems as well as informative description (a subcategory of ETAs or early stages of ETAs) with its working principal advantages and disadvantages so that the researchers can easily get the current stage of assisting blind technology along with the requirement for optimising the design of walking support system for its users.
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