Abstract
According to a released report of WHO(World Health Organization) in August 2014, 285 million people are estimated to be visually impaired worldwide, 39 million of them are blind and 246 million have low vision. [1] They have encountered a lot of problems and among those problems, the most urgent one is mobility.
The Smart Environment Explorer Stick (SEES) [2] project has been implemented since 2013 by SMIR group of the laboratory LIMOS. It has been focusing on implementing a real-time, low-cost and energy efficient smart stick, providing VIP (Visually Impaired People) with both navigation and environmental detection function.