Fall Risk Notification System using LiDAR Sensor for the Visually Impaired People

We have developed the fall risk notification system using LiDAR sensors to reduce number of fall accidents on platform involving visually impaired people. In this paper, we report the experiment results of the environment recognition algorithm for the fall risk notification system. In this algorithm, height grid map is generated from the depth image from LiDAR sensor and the posture of iPhone. In the experiment, we evaluated the accuracy and responsivity when approaching risky area of falling, such as stairs.