Abstract: Disclosed are an apparatus of recognizing a position of a mobile robot using direct tracking and a method thereof. An apparatus of recognizing a position of a mobile robot includes two wide angle cameras which obtain one pair of stereo images on a region of interest including a vertical direction and a horizontal direction in accordance with movement of a mobile robot; and a position recognizing unit which extracts an edge from the received stereo image to project a seed in a key frame selected based on the extracted edge onto the stereo images, updates a status parameter indicating rotation and movement of a camera using an intensity error in the calculated projected seed as the projection result, and estimates a position of the mobile robot using the update result.

Abstract: The present exemplary embodiments provide a hybrid sensor, a Lidar sensor, and a moving object which generate composite data by mapping distance information on an obstacle obtained through the Lidar sensor to image information on an obstacle obtained through an image sensor and predict distance information of composite data based on intensity information of a pixel, to generate precise composite data.

Abstract: Provided is a remote control apparatus for remotely controlling a moving robot, including: a user interface unit displaying a map associated with a traveling area of a moving robot and receiving a user command associated with an operation of the moving robot; a processor selecting at least a part of the map as a designated area and generating a control signal for remotely controlling the moving robot by considering the received user command; and a wireless communication unit transmitting the generated control signal to the moving robot and receiving a response signal depending on the control signal from the moving robot.

Abstract: A suction structure of a robot vacuum cleaner according to the present invention is disclosed. The suction structure of a robot vacuum cleaner according to the present invention includes a suction module which is located on a bottom surface of a main body of the robot vacuum cleaner to suck foreign matters in accordance with the rotation of the brush while being lifted up or down in accordance with a surface condition of the floor and the suction module includes a flow path connecting unit which is formed at one side thereof to be inserted into a flow path unit formed in the main body.

Abstract: Disclosed are an apparatus of controlling movement of a mobile robot mounted with a wide angle camera and a method thereof. An apparatus of recognizing a position of a mobile robot includes two wide angle cameras which obtain one pair of stereo images on a region of interest including a vertical direction and a horizontal direction in accordance with movement of a mobile robot; an inertial measurement unit (IMU) which obtains inertial information of a mobile robot; a position recognizing unit which predicts a movement point using one between first odometry information calculated based on at least one pair of stereo images and second odometry information calculated based on the inertial information and estimates a current position using the predicted movement point and a previously stored key frame, by a position recognizing unit; and a movement control unit which controls movement of the mobile robot based on the estimated position.

Abstract: Disclosed are an apparatus and a method of updating a key frame of a mobile robot. An apparatus for updating a key frame of a mobile robot includes a key frame initializing unit which initializes seeds which constitute a key frame in a first position of the mobile robot and a key frame updating unit which projects seeds in the initialized key frame onto a first image photographed in the first position to obtain a coordinate according to each of the seeds and projects the seeds with the coordinates onto a second image photographed in a second position in accordance with movement of a mobile robot to update the seeds of the key frame as a projected result.

Abstract: Provided are a LIDAR apparatus based on a time of flight and a moving object which output an electrical signal by transmitting and receiving light, generate a control signal by analyzing the electrical signal, measure a pin point distance by calculating a time of flight of the light based on the control signal, and process point cloud data generated based on a measured distance to accurately construct information on a surrounding environment.

Abstract: Disclosed are a method of fabricating a light emitting diode and a light emitting diode fabricated by the same. In the method of fabricating a light emitting diode, a convex-concave pattern is formed on a light emitting structure and a nanosphere layer is transferred to the convex-concave pattern, followed by dry etching to form a stepped surface structure having a plurality of nanobumps arranged on a surface thereof, and chemical coating to reduce surface energy of the stepped surface structure. The method can easily form a stepped surface structure having a plurality of nanobumps on a surface of a convex-concave pattern periodically arranged through nanosphere lithography and dry etching, thereby simplifying the fabrication process while improving production yield.

Abstract: Disclosed is a cleaning robot having an improved driving and cleaning ability. The cleaning robot includes a dust collecting blade. A lower end of the dust collecting blade is bent in a direction opposite to the driving direction of the cleaning robot during operation of the cleaning robot, so that wobbling is not generated even though the ground surface on which the cleaning robot operates has bumps and gaps.

Abstract: Disclosed are a system for operating a mobile robot based on cleaning area information and a method thereof. A mobile robot based on cleaning area information according to an exemplary embodiment of the present invention includes a memory which stores a plurality of cleaning area information in which at least a part of a cleaning available area is changed; and a controller which controls to select one cleaning area information among the plurality of stored cleaning area information, recognize a position on a cleaning area map which configures the selected cleaning area information and perform cleaning on the cleaning available area from the recognized position.

Abstract: Provided is a remote control apparatus for remotely controlling a moving robot, including: a user interface unit displaying a map associated with a traveling area of a moving robot and receiving a user command associated with an operation of the moving robot; a processor selecting at least a part of the map as a designated area and generating a control signal for remotely controlling the moving robot by considering the received user command; and a wireless communication unit transmitting the generated control signal to the moving robot and receiving a response signal depending on the control signal from the moving robot.

Abstract: Disclosed is a cleaning robot having an expanded cleaning territory. The cleaning robot of the present invention comprises: a platform in which at least one corner of the exterior thereof has an angle of less than 90°; a first driving wheel of which the central axis is attached to the bottom portion of the platform at a predetermined first angle (?) and a predetermined second angle (??) with respect to the forward direction of the platform; and a second driving wheel of which the central axis is attached to the bottom portion of the platform at the predetermined second angle (??) with respect to the forward direction of the platform.

Abstract: Disclosed are an apparatus of controlling movement of a mobile robot mounted with a wide angle camera and a method thereof. An apparatus of recognizing a position of a mobile robot includes two wide angle cameras which obtain one pair of stereo images on a region of interest including a vertical direction and a horizontal direction in accordance with movement of a mobile robot; an inertial measurement unit (IMU) which obtains inertial information of a mobile robot; a position recognizing unit which predicts a movement point using one between first odometry information calculated based on at least one pair of stereo images and second odometry information calculated based on the inertial information and estimates a current position using the predicted movement point and a previously stored key frame, by a position recognizing unit; and a movement control unit which controls movement of the mobile robot based on the estimated position.

Abstract: Disclosed are an apparatus of recognizing a position of a mobile robot using edge based refinement and a method thereof.

Abstract: Disclosed are an apparatus of recognizing a position of a mobile robot using direct tracking and a method thereof. An apparatus of recognizing a position of a mobile robot includes two wide angle cameras which obtain one pair of stereo images on a region of interest including a vertical direction and a horizontal direction in accordance with movement of a mobile robot; and a position recognizing unit which extracts an edge from the received stereo image to project a seed in a key frame selected based on the extracted edge onto the stereo images, updates a status parameter indicating rotation and movement of a camera using an intensity error in the calculated projected seed as the projection result, and estimates a position of the mobile robot using the update result.

Abstract: Disclosed are an apparatus of recognizing a position of a mobile robot using search based correlative matching and a method thereof. An apparatus of recognizing a position of a mobile robot includes two wide angle cameras which obtain one pair of stereo images on a region of interest including a vertical direction and a horizontal direction in accordance with movement of a mobile robot; and a position recognizing unit which extracts an edge from the received stereo image, forms a virtual space using at least one key frame selected based on the extracted edge, and estimates the current position using the edge size which is calculated for the formed space.

Abstract: Disclosed are an apparatus and a method of updating a key frame of a mobile robot. An apparatus for updating a key frame of a mobile robot includes a key frame initializing unit which initializes seeds which constitute a key frame in a first position of the mobile robot and a key frame updating unit which projects seeds in the initialized key frame onto a first image photographed in the first position to obtain a coordinate according to each of the seeds and projects the seeds with the coordinates onto a second image photographed in a second position in accordance with movement of a mobile robot to update the seeds of the key frame as a projected result.

Abstract: The present disclosure provides a method for fabricating a substrate for transfer printing using a concave-convex structure and a substrate for transfer printing fabricated thereby. The method includes preparing a handling substrate having a concave-convex structure formed thereon; forming a sacrificial layer along the concave-convex structure on the handling substrate; coating a polymer on the handling substrate having the sacrificial layer formed thereon to form a polymer substrate having bumps filling a concave portion of the concave-convex structure; and removing the sacrificial layer from the handling substrate. The substrate for transfer printing includes a handling substrate having a concave-convex structure formed thereon; and a polymer substrate placed on the concave-convex structure and having bumps filling a concave portion of the concave-convex structure of the handling substrate.

Abstract: Disclosed is a cleaning robot having an improved driving and cleaning ability. The cleaning robot includes a dust collecting blade. A lower end of the dust collecting blade is bent in a direction opposite to the driving direction of the cleaning robot during operation of the cleaning robot, so that wobbling is not generated even though the ground surface on which the cleaning robot operates has bumps and gaps.

Abstract: A light emitting diode including a magnetic structure and a method of fabricating the same are disclosed. The magnetic structure composed of passivation layers and a magnetic layer is disposed inside a luminous structure composed of an active layer and a semiconductor layer. In the light emitting diode, the magnetic structure including the magnetic layer is disposed on a side surface of the active layer to improve recombination rate of charge carriers for light emission by increasing influence of a magnetic field applied to the active layer. In addition, the light emitting diode according to the present invention allows change in position of the magnetic structure including the magnetic layer depending upon an etched shape of the luminous structure, thereby realizing various magnetic field distributions.