Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.

Abstract: A display apparatus can include a flexible substrate including a penetrating hole, a first thin film transistor including a first semiconductor layer, a second thin film transistor including a second semiconductor layer, and a first planarization layer on the first and second thin film transistors. The display apparatus can include a connection electrode on the first planarization layer electrically connected to the first or second thin film transistor, a second planarization layer on the first planarization layer, a first electrode on the second planarization layer electrically connected to the connection electrode, and a bank layer on the second planarization layer exposing a portion of the first electrode. The display apparatus includes a light-emitting layer on the portion of the first electrode exposed by the bank layer, the light-emitting layer including an emission material layer between first and second organic layers, and a second electrode on the light-emitting layer.

Abstract: A display apparatus can include a buffer layer on a flexible substrate; a first thin film transistor on the buffer layer including a first semiconductor pattern, a first gate electrode, a first source electrode and a first drain electrode, a second thin film transistor including a second semiconductor pattern, a second gate electrode, a second source electrode and a second drain electrode, and a passivation layer on the first and the second thin film transistors. Also, the display apparatus includes a planarization layer, a light-emitting device including a first electrode, a light-emitting layer and a second electrode on the planarization layer, and an encapsulating element on the light-emitting device. Also, the light-emitting device is electrically connected to the first thin film transistor, the first semiconductor pattern includes silicon, and the second semiconductor pattern includes an oxide semiconductor pattern, and the second gate electrode includes lower and upper electrodes.

Abstract: Provided is an apparatus for online action detection, the apparatus including a feature extraction unit configured to extract a chunk-level feature of a video chunk sequence of a streaming video, a filtering unit configured to perform filtering on the chunk-level feature, and an action classification unit configured to classify an action class using the filtered chunk-level feature.

Abstract: A method and an apparatus for recognition a position and generating a path for autonomous driving of a mobile robot in an orchard environment are provided. The method converts three-dimensional (3D) point cloud data for the orchard environment into a 2D grid map, obtains a position of the mobile robot by performing local scan matching and global scan matching on the 2D grid map, and extracts a tree from the 2D grid map based on occupancy of each grid of the 2D grid map. Then, an effective line based on center points of extracted trees is obtained, a destination based on the obtained effective line is generated, and a driving path according to the generated destination and the position of the mobile robot is generated.

Abstract: A method and an apparatus for recognition a position and generating a path for autonomous driving of a mobile robot in an orchard environment are provided. The method converts three-dimensional (3D) point cloud data for the orchard environment into a 2D grid map, obtains a position of the mobile robot by performing local scan matching and global scan matching on the 2D grid map, and extracts a tree from the 2D grid map based on occupancy of each grid of the 2D grid map. Then, an effective line based on center points of extracted trees is obtained, a destination based on the obtained effective line is generated, and a driving path according to the generated destination and the position of the mobile robot is generated.

Abstract: A risk management system according to present invention includes a central management server including at least one processor. The processor creates a risk level assessment table based on set likelihood evaluation criteria scores and set consequence evaluation criteria scores, creates a risk factor check list based on information regarding risks and risk factors input by a user, the risks and the risk factors being provided according to tasks, creates an error log based on externally-provided raw data and first user input information, creates a discrepancy log based on externally-provided abnormal event information and second user input information, and creates a risk factor identification and evaluation table based on the risk factor check list, the error log, and the discrepancy log.

Abstract: Disclosed herein are a method and apparatus for authenticating a user based on a fingertip gesture. The authentication apparatus may display a pattern generated based on geometric information about a hand geometry or size of a user, and may recognize a fingertip gesture via interaction with the user with respect to the pattern. The authentication apparatus may authenticate a user using the recognized fingertip gesture. The pattern may include a gesture inducement/relation pattern and a fake pattern. Information about the fingertip gesture may include fingertip touch locations of the fingertip gesture, a touch order of the fingertip touch locations, and a moving direction of the fingertip touch locations.

Abstract: Provided is an electric vehicle charger. The electric vehicle charger includes a lower case including a front partition wall having a cable penetration cutoff part that is cut to pass in forward and backward directions, an upper case including a front partition wall having a cable penetration cutoff part that is cut to pass in forward and backward directions, a sealing part having at least one portion disposed between the upper case and the lower case, and a cable passing though a portion of the upper case and a portion of the lower case, the cable being coupled between the upper case and the lower case.

Abstract: An inverter for an electric vehicle is provided. The inverter for an electric vehicle, which controls an RPM of a motor for the electric vehicle, the inverter including a busbar connected to a power semiconductor module for supplying current, a current sensor measuring the current passing through the busbar, and a control board on which the current sensor is mounted, the control board controlling the motor for the electric vehicle according to a result measured by the current sensor. The busbar is disposed to vertically pass through the current sensor and control board.

Abstract: Some embodiments in the present disclosure relate to a control box for an electric vehicle charger that may provide enhanced manipulation convenience and an improved waterproof function. According to an embodiment, the control box may include a case having a circuit board therein, the circuit board may include a light emitting unit and a switch, a cover member attached to an upper portion of the case and may be configured to allow light emitted from the light emitting unit to be transmitted therethrough, the cover member may include a press protrusion to press the switch, and an exterior member attached to an upper portion of the cover member.

Abstract: Provided is a busbar coupling device. The busbar coupling device includes: a plate including a first side and a second side disposed opposite to each other; a first end wall part protruding and extending in a direction that the first side faces at a first end part in a length direction of the plate; a first protrusion part disposed at the plate, spaced from the first end wall part, and protruding in the direction that the first side faces; a second end wall part protruding and extending from a second end part disposed opposite to the first end part to a direction that the second side faces in the length direction of the plate; and a second protrusion part disposed at the plate, spaced from the first end wall part, and protruding in the direction that the first side faces.

Abstract: Disclosed herein is an apparatus and method of searching for a wanted vehicle, capable of interoperating with black boxes mounted in vehicles of unspecified individuals, recognizing and searching for registration numbers of vehicles in proximity of each black box in real time, and identifying a location of the wanted vehicle in real time using information about locations of the searched vehicles. The method includes requesting, by an apparatus for searching for a wanted vehicle, a black box installed in at least one vehicle to search for a registration number of the wanted vehicle, and receiving a response corresponding to the request, and acquiring information about the wanted vehicle and a location of the wanted vehicle corresponding to the response using the black box for recognizing a vehicle registration number or the black box for detecting a vehicle registration number region.

Abstract: An electric vehicle charger includes a case including a lower case having an opened top surface and in which a connector insertion groove is defined in a side surface thereof and an upper case having an opened bottom surface and covering the opened top surface of the lower case, a circuit board seated on the lower case and on which at least one electrical component of a short-circuit detection part detecting short-circuit of an electric vehicle, a detection part detecting overvoltage and overcurrent during charging of the electric vehicle, a communication module communicating with a charging control part of the electric vehicle, and a display part displaying a charged state of the electric vehicle is mounted, a cable inserted into the lower case, the cable being electrically connected to the circuit board, and a cable connector inserted into the connector insertion groove to guide the insertion of the cable.

Abstract: Disclosed is a video recording apparatus for a vehicle, which includes a camera unit formed so as to change a capturing direction; a driver's viewing direction detecting unit configured to detect a driver's viewing direction; a control unit configured to control the camera unit so that the detected viewing direction corresponds to the capturing direction; and a storing unit configured to store a video obtained by the camera unit. Therefore, a video in a direction at which the driver views is obtained and stored without mounting a plurality of cameras so that it is possible to obtain a video for a situation of an accident of a vehicle of the driver or a vehicle of another driver occurring not only in the front of the driver's vehicle but also in the side of the driver's vehicle.

Abstract: The present invention relates to a method of tracking an object in a multiple cameras environment and the method includes generating first feature information of the object from an image input from a first camera; detecting a second camera in which identification information for the object is recognized when the object moves out of a view angle of the first camera, and comparing second feature information of the object generated from an image input from the second camera with the first feature information to track the object from the image input from the second camera. According to the present invention, the object is tracked based on an image in one camera image and if the object moves out of the camera, the identification information of the terminal which is possessed by the object is recognized to hand over the camera to continuously track the same object.

Abstract: Provided is an electronic component box for a vehicle. The electronic component box for a vehicle, the electronic component box including a housing formed of a plastic material and manufactured through plastic injection molding, the housing having an opened top surface, a top cover formed of a plastic material and manufactured through the plastic injection molding, the top cover covering the opened top surface of the housing, a base cover seated on a bottom surface of the housing, an electronic component set seated on a top surface of the base cover, and an inner cover accommodated within the housing, the inner cover covering the electronic component set to shield an electromagnetic wave emitted from the electronic component set.

Abstract: Disclosed herein is an apparatus and method of searching for a wanted vehicle, capable of interoperating with black boxes mounted in vehicles of unspecified individuals, recognizing and searching for registration numbers of vehicles in proximity of each black box in real time, and identifying a location of the wanted vehicle in real time using information about locations of the searched vehicles. The method includes requesting, by an apparatus for searching for a wanted vehicle, a black box installed in at least one vehicle to search for a registration number of the wanted vehicle, and receiving a response corresponding to the request, and acquiring information about the wanted vehicle and a location of the wanted vehicle corresponding to the response using the black box for recognizing a vehicle registration number or the black box for detecting a vehicle registration number region.

Abstract: Provided is a trajectory modeling apparatus and method based on trajectory transformation which models a trajectory and compares a trajectory of an object and the modeled trajectory. The trajectory modeling apparatus includes an image input unit configured to receive an input image, an object trajectory generating unit configured to trace an object included in the input image to generate a trajectory of the object, a trajectory model generating unit configured to generate a trajectory model according to a directionality of the trajectory of the object by using the trajectory of the object, and a trajectory analyzing unit configured to analyze a trajectory of a target included in a test image by using the trajectory model to determine whether a behavior of the target is normal, based on the target trajectory analysis result.

Abstract: Provided is a busbar coupling device. The busbar coupling device includes: a plate including a first side and a second side disposed opposite to each other; a first end wall part protruding and extending in a direction that the first side faces at a first end part in a length direction of the plate; a first protrusion part disposed at the plate, spaced from the first end wall part, and protruding in the direction that the first side faces; a second end wall part protruding and extending from a second end part disposed opposite to the first end part to a direction that the second side faces in the length direction of the plate; and a second protrusion part disposed at the plate, spaced from the first end wall part, and protruding in the direction that the first side faces.