Abstract: A method of classifying and collecting feature information of an area according to a robot's moving path, a robot controlled by area features, and a method and apparatus for composing a user interface using the area features are disclosed. The robot includes a plurality of sensor modules to collect feature information of a predetermined area along a moving path of the robot, and an analyzer to analyze the collected feature information of the predetermined area according to a predetermined reference range and to classify the collected feature information into a plurality of groups.

Abstract: A method and apparatus estimating a position of a moving robot are provided. The method includes receiving a primary signal and a secondary signal transmitted from a predetermined signal transmitter using a sensor, on a moving robot, that receives the primary signal and three or more sensors that receive the secondary signal; calculating a transmission distance from a sensor that receives the secondary signal using time information extracted from the primary signal; and calculating a position of the signal transmitter from the distance, wherein the secondary signal comprises first and second secondary signals and each sensor that senses the secondary signal determines whether to amplify the second secondary signal based on the result of the measurement of the first secondary signal.

Abstract: An indoor map building apparatus, method, and medium for a mobile robot are provided. The indoor map building apparatus includes a beacon which transmits/receives signals for determining the location of the mobile robot, a beacon location fixing module which moves the beacon to a predetermined location in an indoor space where the mobile robot is to travel and fixes the beacon at the predetermined location, a data processing module which determines the location of the mobile robot based on signals received from the beacon, and generates map information regarding the indoor space, an obstacle detection module which detects an obstacle when the mobile robot travels in the indoor space, and a driving module which moves the mobile robot.

Abstract: Provided are a robot capable of improving the computation rate by considering whether a parameter will diverge and modifying the experiment order of offspring during evolutionary computation, when the covariance of system noise and that of measurement noise are calculated for the purpose of localizing the robot by using a Kalman filter, and a method and medium of localizing a robot by using a calculated covariance.

Abstract: A method and apparatus for reckoning a position of a moving robot using dead-reckoning and range sensing. The method includes performing dead-reckoning to determine a variation state in accordance with motion of the moving robot, calculating an absolute position of the moving robot by sensing a distance between the moving robot and at least one fixed position, predicting an optimized current position of the moving robot using the variation state and the absolute position, determining whether the optimized current position is within a specified effective area, and correcting the optimized current position in accordance with the determined result.

Abstract: A mobile robot and a method of localizing the robot are disclosed. The robot includes a gyroscope module providing information regarding a rotational angle of a gyroscope; an encoder module providing information regarding velocity and information regarding a rotational angle of a wheel of the robot by sensing motion of the wheel; and a control module estimating a current pose of the robot according to a method based on information provided by the encoder module and the gyroscope module, the control module incorporating information regarding rotational angle provided by the gyroscope module when estimating the current pose.

Abstract: An apparatus and a method for providing music file search function. The apparatus includes an input unit that receives an input of an attribute of a music file to be played, an extract unit that extracts a characteristic segment from the music file according to the input attribute, a 3D-sound generating unit that generates 3D sound from the characteristic segment of the music file along a spatial axis corresponding to the attribute, and an output unit that outputs the 3D sound. The method includes the steps of inputting an attribute of a music file to be played, searching a characteristic segment of the music file according to the input attribute, generating 3D sound from the characteristic segment of the music file along a spatial-axis corresponding to the attribute, and outputting the 3D sound.

Abstract: An apparatus and method for estimating a location of a mobile body and generating a map of a mobile body environment using an upper image of the mobile body environment, and a computer readable recording medium storing a computer program for controlling the apparatus. The apparatus includes: a landmark generating unit observing corner points from the upper image obtained by photographing in an upper vertical direction in the mobile body environment and respectively generating landmarks from the observed corner points; and a location and map operation unit estimating the location of the mobile body and generating the map of the mobile body environment from the landmarks.

Abstract: A method used by a robot for simultaneous localization and map-building, including: initializing a pose of the robot and locations of landmarks; sampling a new pose of the robot during motion of the robot, and constructing chromosomes using the locations of the landmarks; observing the landmarks from a present location of the robot; generating offspring from the chromosomes; and selecting next-generation chromosomes from the chromosomes and the offspring using observation values of the landmarks.

Abstract: A method and apparatus of improving the navigation performance of robot are provided. The navigation method using a virtual sensor includes: generating information on positions of obstacles, the information which is estimated to be generated by virtual sensors that are virtually present, based on information on positions of the obstacles, which is generated by physical sensors; and controlling a movement of a robot according to the information on the positions of the obstacles. It is possible to overcome limits in the number and arrangement of previously installed physical sensors.