APPARATUS FOR RECOGNIZING LOCATION MOBILE ROBOT USING KEY POINT BASED ON GRADIENT AND METHOD THEREOF

摘要

Disclosed are a device and a method to recognize a position of a mobile robot using a gradient based feature point. According to the present invention, the device to recognize the position of a mobile robot comprises: two wide-angle cameras which obtains a pair of stereo images for an area of interest including a vertical and a horizontal direction in accordance to an operation of a mobile robot; and a location recognizing part which calculates a gradient in an x and a y direction from each pixel of the obtained stereo images to extract an edge based on the calculated x and y direction gradient, and estimating a present location based on the extracted edge.