Abstract: A robot may include an input interface configured to obtain an image of a surrounding environment of the robot, and at least one processor configured to rotate the robot in place for localization, and estimate at least one of a position or a pose in a space, based on a plurality of sequential images obtained by the input interface during the rotation of the robot. The position or the pose of the robot may be estimated based on inputting the plurality of sequential images obtained during the rotation of the robot into a trained model based on an artificial neural network. In a 5G environment connected for the Internet of Things, embodiments of the present disclosure may execute an artificial intelligence algorithm and/or a machine learning algorithm.

Abstract: Provided are a method of performing cloud simultaneous localization and mapping (SLAM), and a robot and a cloud server for performing the same, and a robot for performing cloud SLAM in real time includes a first sensor configured to acquire sensor data necessary to perform the SLAM, a map storage unit configured to store a map synchronized with a cloud server, a communication unit configured to transmit the sensor data, a feature, or a last frame to the cloud server and receive a local map patch or a global pose from the cloud server, and a control unit configured to generate the sensor data, the feature extracted from the sensor data, or the last frame and control movement of the robot using the local map patch or the global pose received from the cloud server.

Abstract: A robot can include a position measuring sensor to measure a position of the robot as the robot moves in an outdoor space; a camera to acquire an image of surroundings of the robot; a memory configured to store place information including positions and appearance feature information of a plurality of places existing in the outdoor space; and at least one processor to extract one or more appearance features of M first places in the image, where M is an integer greater than or equal to 1, select one or more positions of N second places from the place information stored in the memory based on the one or more appearance features of the M first places in the image, where N is an integer greater than or equal to 1 and less than or equal to M, and generate a corrected position for the robot.

Abstract: A robot may include an input interface configured to obtain an image of a surrounding environment of the robot, and at least one processor configured to rotate the robot in place for localization, and estimate at least one of a position or a pose in a space, based on a plurality of sequential images obtained by the input interface during the rotation of the robot. The position or the pose of the robot may be estimated based on inputting the plurality of sequential images obtained during the rotation of the robot into a trained model based on an artificial neural network. In a 5G environment connected for the Internet of Things, embodiments of the present disclosure may execute an artificial intelligence algorithm and/or a machine learning algorithm.

Abstract: A robot can include a position measuring sensor to measure a position of the robot as the robot moves in an outdoor space; a camera to acquire an image of surroundings of the robot; a memory configured to store place information including positions and appearance feature information of a plurality of places existing in the outdoor space; and at least one processor to extract one or more appearance features of M first places in the image, where M is an integer greater than or equal to 1, select one or more positions of N second places from the place information stored in the memory based on the one or more appearance features of the M first places in the image, where N is an integer greater than or equal to 1 and less than or equal to M, and generate a corrected position for the robot.

Abstract: Provided are a method of performing cloud simultaneous localization and mapping (SLAM), and a robot and a cloud server for performing the same, and a robot for performing cloud SLAM in real time includes a first sensor configured to acquire sensor data necessary to perform the SLAM, a map storage unit configured to store a map synchronized with a cloud server, a communication unit configured to transmit the sensor data, a feature, or a last frame to the cloud server and receive a local map patch or a global pose from the cloud server, and a control unit configured to generate the sensor data, the feature extracted from the sensor data, or the last frame and control movement of the robot using the local map patch or the global pose received from the cloud server.

Abstract: An align marking for a stereoscopic image display apparatus and an alignment method and system using the align marking are discussed. The align marking includes a first align mark formed at a left and central portion of the display panel, and a second align mark formed at a right and central portion of the display panel, wherein each of the first and second align marks comprises one or more left patterns and one or more right patterns arranged offset from the one or more left patterns, wherein the first and second align marks are aligned with a predetermined reference line formed on the pattern retarder.

Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal layer between an upper substrate and a lower substrate, m×n liquid crystal cells arranged in a matrix format according to a crossing structure of m/2 data lines and 2n gate lines, and thin film transistors respectively connected to the m×n liquid crystal cells; a data drive circuit supplying a data voltage to the data lines in response to a polarity control signal; a gate drive circuit sequentially supplying a gate pulse to the gate lines; and a POL logic circuit controlling the polarity control signal so that a phase of the polarity control signal varies every frame period.

Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal display panel including data lines and gate lines crossing one another and a pixel array including liquid crystal cells arranged in a matrix format according to a crossing structure of the data lines and the gate lines, a source drive circuit supplying a data voltage to the data lines through a plurality of output channels, a gate drive circuit sequentially supplying a gate pulse to the gate lines. The liquid crystal display panel includes link lines that respectively connect the data lines to the output channels of the source drive circuit. The source drive circuit includes a plurality of output channel resistors connected between the output channels and the link lines. Each of the output channel resistors includes a variable resistance circuit.

Abstract: A liquid crystal display and a method of driving the same are provided. The liquid crystal display includes a liquid crystal display panel including data lines, gate lines crossing the data lines, and liquid crystal cells and having a quad type pixel structure in which red, green, blue, and white subpixels constitute one pixel, a logic circuit sequentially outputting polarity control signals, a data drive circuit that inverts a polarity of a data voltage in response to the polarity control signals to supply the data voltage with the inverted polarity to the data lines, and a gate drive circuit sequentially supplying gate pulses to the gate lines. A logic level of each of the polarity control signals is inverted every three horizontal periods, and phases of the polarity control signals are different from one another.

Abstract: An align marking for a stereoscopic image display apparatus and an alignment method and system using the align marking are discussed. The align marking includes a first align mark formed at a left and central portion of the display panel, and a second align mark formed at a right and central portion of the display panel, wherein each of the first and second align marks comprises one or more left patterns and one or more right patterns arranged offset from the one or more left patterns, wherein the first and second align marks are aligned with a predetermined reference line formed on the pattern retarder.

Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal display panel including data lines and gate lines crossing one another and a pixel array including liquid crystal cells arranged in a matrix format according to a crossing structure of the data lines and the gate lines, a source drive circuit supplying a data voltage to the data lines through a plurality of output channels, a gate drive circuit sequentially supplying a gate pulse to the gate lines. The liquid crystal display panel includes link lines that respectively connect the data lines to the output channels of the source drive circuit. The source drive circuit includes a plurality of output channel resistors connected between the output channels and the link lines. Each of the output channel resistors includes a variable resistance circuit.

Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal layer between an upper substrate and a lower substrate, m×n liquid crystal cells arranged in a matrix format according to a crossing structure of m/2 data lines and 2n gate lines, and thin film transistors respectively connected to the m×n liquid crystal cells; a data drive circuit supplying a data voltage to the data lines in response to a polarity control signal; a gate drive circuit sequentially supplying a gate pulse to the gate lines; and a POL logic circuit controlling the polarity control signal so that a phase of the polarity control signal varies every frame period.

Abstract: A liquid crystal display and a method of driving the same are provided. The liquid crystal display includes a liquid crystal display panel including data lines, gate lines crossing the data lines, and liquid crystal cells and having a quad type pixel structure in which red, green, blue, and white subpixels constitute one pixel, a logic circuit sequentially outputting polarity control signals, a data drive circuit that inverts a polarity of a data voltage in response to the polarity control signals to supply the data voltage with the inverted polarity to the data lines, and a gate drive circuit sequentially supplying gate pulses to the gate lines. A logic level of each of the polarity control signals is inverted every three horizontal periods, and phases of the polarity control signals are different from one another.