Abstract: A virtual sound provision apparatus for an electric vehicle includes a driving information detector configured to detect vehicle driving information for outputting a virtual driving sound, a microphone configured to detect an actual driving sound generated from the electric vehicle, a controller configured to determine a characteristic of a target sound based on an acceleration and deceleration driving pattern of a driver from an accelerator pedal input value and a brake pedal input value of the driver, and generating and outputting a sound control signal for outputting the virtual driving sound having the characteristic of the target sound based on the determined characteristic information of the target sound and characteristic information of the actual driving sound, and a sound device configured to output a virtual engine sound that simulates an engine sound from the electric vehicle at the time of acceleration and deceleration according to the sound control signal.

Abstract: A door module plate includes a plate body provided to correspond to a door of a vehicle, a mount portion provided at an edge portion of the plate body and configured to be fastened to a fastening member, an edge groove provided at the edge portion of the plate body, and a reinforcement rib integrally protruding from an internal surface of the edge groove, obtaining an advantageous effect of ensuring rigidity and improving safety and reliability.

Abstract: An image processing device is provided. The image processing device includes: a memory; a vision sensor; and at least one processor operatively connected to the memory and the vision sensor, wherein the at least one processor is configured to: receive an event signal from a pixel array of the vision sensor, accumulate the event signal during a preset time and store, in the memory, the event signal as accumulated event data; perform a pixel correction on the stored accumulated event data; and compare the corrected accumulated event data with the event signal to extract valid event data.

Abstract: A road surface condition estimation apparatus includes a storage unit configured to store a road surface condition estimation model, and a road surface severity estimator configured to estimate, based on travel information, severity of a condition of a road surface on which a vehicle is travelling using the road surface condition estimation model.

Abstract: Disclosed herein are an image encoding/decoding method and apparatus. The image decoding method of the present disclosure may include obtaining maximum transform block size information, deriving a maximum transform block size on the basis of the maximum transform block size information, and, determining whether or not a secondary inverse transform is applied to the current block on the basis of the maximum transform block size and a horizontal size and a vertical size of a current block.

Abstract: An electronic device includes a substrate comprising outward terminals. An electronic component is connected to the outward terminals. External interconnects are connected to the outward terminals and include a first external interconnect connected to a first outward terminal. A lower shield is adjacent to the substrate bottom side and is laterally between the external interconnects. The lower shield is electrically isolated from the first external interconnect by one or more of 1) a dielectric buffer interposed between the lower shield and the first external interconnect; or 2) the lower shield including a first part and a second part, the first part being laterally separated from the second part by a first gap, wherein the first part laterally surrounds lateral sides of the first external interconnect; and the second part is vertically interposed between the first outward terminal and the first external interconnect.

Abstract: An image encoding/decoding method and apparatus are disclosed. The method of decoding an image according to the present invention, comprises, generating a first prediction block of a current block, generating a second prediction block of the current block and generating a final prediction sample of the current block using a sample unit weighted sum of the first prediction block and the second prediction block, wherein a weight used for the sample unit weighted sum is determined based on a location of a current luma sample and a geometric prediction mode (GPM) boundary line for partitioning the current block.

Abstract: The present invention provides a polyamic acid aqueous solution composition capable of polymerizing polyamic acid in water rather than in an organic solvent, as well as achieving a high imidization rate during low-temperature curing.

Abstract: An apparatus for determining whether a vehicle is in a stuck state may include: a receiving unit configured for receiving driving information of a vehicle; a score determination unit configured for determining a stuck score based on the driving information; and a stuck determining unit configured for determining whether a vehicle is in a stuck state based on accumulated stuck scores obtained by accumulating stuck scores.

Abstract: Disclosed herein is a video decoding method including determining a zero-out width threshold and a zero-out height threshold for distinguishing between a transform coefficient coding region and a zero-out region of a current block according to a size of the current block, determining the transform coefficient coding region and the zero-out region of the current block according to the zero-out width threshold and the zero-out height threshold, acquiring transform coefficient information of the transform coefficient coding region from a bitstream and determining a level of a transform coefficient of the transform coefficient coding region according to the transform coefficient information, determining a level of a transform coefficient of the zero-out region as 0 without acquiring transform coefficient information, and reconstructing the current block by inversely transforming the transform coefficient of the current block.

Abstract: An apparatus for estimating a vehicle speed includes: a vehicle information receiving unit for receiving driving information of a vehicle, including wheel speed, motor torque, and longitudinal acceleration of the vehicle; a wheel slip determining unit for determining whether wheel slip occurs; a longitudinal acceleration correction unit correcting the longitudinal acceleration received from the vehicle information receiving unit; and a vehicle speed estimation unit for estimating a vehicle speed using the wheel speed or the corrected longitudinal acceleration according to the determination result of the wheel slip determining unit.

Abstract: A battery can include an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode. The first electrode can have a pair of first sides and a pair of second sides extending between the pair of first sides, a first portion including an active material extending between the pair of first sides, and a second portion extending between the pair of first sides and exposed beyond the separator along a winding direction. The battery can further include a battery housing having a first opening at a first end and a second end with a second opening opposite the first end, a first current collector including a support portion positioned on the electrode assembly, and a housing cover which seals the first opening.

Abstract: The present invention relates to an alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer including a seed prepared by polymerizing one or more compounds selected from the group consisting of an alkyl acrylate compound, an aromatic vinyl compound, and a vinyl cyanide compound and a multifunctional crosslinking agent; a core formed to surround the seed and prepared by polymerizing an alkyl acrylate compound and a multifunctional crosslinking agent; and a graft shell formed to surround the core and prepared by polymerizing an aromatic vinyl compound and a vinyl cyanide compound, wherein the multifunctional crosslinking agent has a weight average molecular weight of 600 to 1,400 g/mol, a method of preparing the alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer, and a thermoplastic resin composition including the alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer.

Abstract: A multiblock copolymer, a method for preparing same, and a thermoplastic resin composition comprising polypropylene and the multiblock copolymer are described herein. The block copolymer has excellent processability and excellent compatibility with polypropylene, and the thermoplastic resin composition of the present disclosure using the same shows excellent low temperature impact strength and may be usefully used as a thermoplastic resin composition for the manufacture of a product requiring high impact resistance such as automotive parts.

Abstract: A positive electrode active material includes a lithium composite transition metal oxide. The positive electrode active material is a secondary particle in which primary particles are aggregated. The primary particle includes a coating portion containing an M1 metal, and the coating portion is locally present on surfaces of the primary particles or at inter-particle boundaries of the primary particles. A preparation method thereof, and a lithium secondary battery including the positive electrode active material are also provided.

Abstract: The present invention relates to a method for preparing a crystalline functional sweetener, and more specifically, relates to a method for preparing a crystalline functional sweetener for raising the crystallization yield and increasing the particle size by controlling the content of impurities or production of impurities comprised in a solution for preparing the crystal.

Abstract: The present disclosure provides a compound of Chemical Formula (1) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same: wherein X, Z, R1 and R2 are as defined in the specification. The compound of Chemical Formula (1) or pharmaceutically acceptable salt thereof acts as a positive allosteric modulator of metabotropic glutamate receptor subtype 5 (mGluR5), thereby being useful in the prevention or treatment of disorder mediated by glutamate dysfunction and mGluR5.

Abstract: Provided are an optical member and an optical display device comprising same, the optical member comprising a support layer and an optically functional layer laminated on one surface of the support layer, wherein: the optically functional layer includes a groove having inclined surfaces; at least one convex portion extending from the flat portion of the optically functional layer is formed at each of the inclined surfaces; the convex portion is a curved surface with a radius of curvature of 1 mm or greater, and each of the inclined surfaces satisfies expression 1.

Abstract: A battery system includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other, and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.