Establishing Virtual Fields for Visually Impaired People

Most visually impaired and blind people, in their familiar environments, are able to find their paths and destinations without any trouble. Thus the visually impaired or blind people may not need any help if they are in a familiar path. However, what if they are thrown into an un-familiar environment? One solution is to establish a virtual field of the new environment, containing the information of all possible obstacles ...more »

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