State of Art on Wearable Device to Assist Visually Impaired Person Navigation in Outdoor Environment

Abstract

This paper presents a comprehensive survey of the wearable devices which are used to assist visually impaired persons during navigation in a known or unknown, indoor or outdoor environment. We have mainly focused on the advantages and disadvantages of each wearable device. This study is an effort to report the research community and users about the capabilities of these systems and the state of art in the assistive devices for visually impaired people.