A Review on an Obstacle Detection in Navigation of Visually Impaired

Vision is a beautiful gift to human beings by GOD. Vision allows people to perceive and understand the surrounding world. However a World Health Organisation survey made in 2010, estimated 285.389 million people with visual impairment across the globe. These visually impaired people face the problems of orientation and mobility in an unknown environment. Many efforts have been made to improve their mobility by use of technology. For doing so, a virtual vision is offered using digital image processing.

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