Patent ID: 8843245
Filing Date: 2014-09-23
Classification: G05D

Abstract:
1. A robot cleaner, comprising: at least one monitoring camera to generate a monitoring image of a cleaning area; an upward camera provided at an upper portion of the robot cleaner to capture an upper part and output an upper image; a controller to provide a cleaning map based on the upper image, and the controller to drive a robot cleaner; and a communicator to transmit the monitoring image and the cleaning map to an external device and to receive, from the external device, a control command for a specific location or area on the cleaning map, wherein the controller determines at least one characteristic point according to certain criteria, using the upper images captured at a first time and a second time through the upward camera during movement, and a movement ratio of the at least one characteristic point based on the movement of the robot cleaner is greater than a predetermined value, and a calculated height of the characteristic point is higher than a reference height, and wherein the controller generates the cleaning map using the determined characteristic point.