Abstract: Disclosed herein are integrated circuit design system and method including: a genetic algorithm model unit configured to form a first parent generation using a performance simulation result for an arbitrary integrated circuit design point, form a child generation from the first parent generation using a genetic algorithm, form a surrounding design point based on the first parent generation as a mutant generation, and then select N points with the highest performance among the first parent generation, the child generation, and the mutant generation as a second parent generation; a comparison unit configured to compare a design range of the second parent generation and a preset reference range; and a regression model unit configured to train a regression model using the design range of the second parent generation when a design range of the second parent generation is narrower than or equal to the preset reference range.

Abstract: A method of manufacturing a liquid metal film using an imbibition phenomenon is provided. The method includes forming a microstructure on a polymer substrate, preparing a microstructured metal substrate by depositing a metal on the polymer substrate on which the microstructure is formed, and coating the microstructured metal substrate with a liquid metal.

Abstract: Provided is a cooling module to which a microporous cooling structure is applied, and a method of locally and conformally cooling a mold using the same. The cooling module to which a microporous cooling structure is applied which is installed at each high temperature region inside a mold core and allows supplied cooling fluid to flow thereinto to perform local and conformal cooling on a mold may include a body part inserted into the mold core, a microporous cooling structure which is inserted into an upper portion of the body part and in which micro unit cells are periodically and repeatedly formed to form a plurality of connected hollow portions, and a cooling channel including a conduit configured to pass the cooling fluid through the microporous cooling structure.

Abstract: A power conversion apparatus capable of simultaneously discharging swap batteries even while reducing the number of power circuits includes a secondary converter configured to convert alternating current (AC) power into direct current (DC) power, a main battery connected to the secondary converter to receive the DC power, a replaceable swap battery block connected to the secondary converter configured for simultaneous discharge with the main battery, a switching circuit configured to turn on or off electrical connection between the replaceable swap battery block and the secondary converter, and a bypass circuit configured to turn on or off electrical connection between the swap battery block and the main battery.

Abstract: The present technology discloses a three-phase and single-phase two-way charger. According to a specific example of the present invention, a battery charger having a single-stage structure for a combined use of single-phase and three-phase is implemented without an electrolytic capacitor which lowers the reliability and charging efficiency, to enable a compatible use of single-phase and three-phase external power sources, and to improve charging efficiency and the performance in a wide input/output voltage range by a reduced number of switching elements and a soft switching operation of the switching elements and thus improve the reliability and lifetime. A lightweight charger can be realized by integrating, into a core, at least two of an inductor for removing ripples of the battery charger, a primary side and a secondary side of a transformer, and an inductor for removing noise.

Abstract: Provided are a system and a method for generating a high-resolution 3D model. According to an embodiment, a high-resolution 3D image is generated by correcting the following losses: symmetry loss that includes image symmetry loss and vertex symmetry loss between a 3D refined image and a symmetry image symmetrical to the 3D refined image with symmetry reliability degrees of a training device; displacement loss between vertexes of the 3D model image and vertexes of the 3D refined image refined on the basis of vertex coordinate information of the training device; silhouette loss through silhouette comparison between the original image and the 3D model image resulting from conversion into a derived view point of a spherical coordinate system; and edge loss and line loss between the original image and the 3D refined image.

Abstract: According to various embodiment of the present disclosure, an electronic device for performing token pruning in a frequency domain may include a processor, and the processor may configured to divide an image frame into a plurality of patches, convert tokens based on the plurality of patches from a spatial domain to a frequency domain through a fast Fourier transform (FFT)-based frequency domain conversion algorithm, the tokens being output from a predetermined transformer block among a plurality of transformer blocks, after performing patch embedding on the plurality of patches, and convert the remaining tokens other than specific tokens from the frequency domain to the spatial domain, after pruning specific tokens from the tokens based on frequency information of the tokens converted into the frequency domain. Various other embodiments are also possible.

Abstract: The present disclosure relates to a heat sink paste, a heat sink film and manufacturing methods therefor. The heat sink paste according to an embodiment of the present disclosure includes an elastic polymer resin and conductive particles dispersed in the elastic polymer resin, wherein the conductive particles include solid metal particles and liquid metal particles.

Abstract: The present technology discloses a three-phase and single-phase two-way charger. According to a specific example of the present invention, a battery charger having a single-stage structure for a combined use of single-phase and three-phase is implemented without an electrolytic capacitor which lowers the reliability and charging efficiency, to enable a compatible use of single-phase and three-phase external power sources, and to improve charging efficiency and the performance in a wide input/output voltage range by a reduced number of switching elements and a soft switching operation of the switching elements and thus improve the reliability and lifetime. A lightweight charger can be realized by integrating, into a core, at least two of an inductor for removing ripples of the battery charger, a primary side and a secondary side of a transformer, and an inductor for removing noise.

Abstract: The present invention relates to a scanner having a flexible probe which is an apparatus capable of being utilized for an inspection on a weld zone of a general ferrite material and a stainless material and allowing an inspection to be performed on a fitting weld zone where it is difficult for a general phased array ultrasonic testing (PAUT) probe to approach.

Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.

Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes an antenna body extending in a horizontal direction to the bezel surface, an extension body provided on one side or opposite sides of the antenna body, and a frequency variable device configured to selectively electrically connect the antenna body and the extension body.

Abstract: The present invention relates to a semi-automatic scanner for ultrasonic inspection of a branch pipe weld that has a small size and is able to perform an inspection while moving in a state of being attached to a test object by a magnetic force, thereby being applied to fittings having various shapes, such as a branch pipe and an elbow.

Abstract: An image stitching method and apparatus are disclosed. The image stitching apparatus includes at least one processor and a memory. The processor may obtain a plurality of images at different viewpoints, estimate homographies of each of the plurality of images, generate an aligned image by aligning the plurality of images based on the homographies of each of the plurality of images, obtain a collective energy map by inputting the aligned image to a neural network, estimate a stitching line of the aligned image based on the collective energy map, and generate a stitched image by blending the aligned image based on the stitching line.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: The present technology provides a system and a method for terminal positioning.

Abstract: Disclosed is a fibre-based wearable patch antenna. The fibre-based wearable patch antenna comprises: a radiating patch; a substrate on which the radiating patch is attached; a ground surface which is located below the substrate and has a slot formed therein; and a cable for the supply of power to the radiating patch, wherein the invention is formed integrally with clothing and the cable can be attached below the ground surface.

Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.

Abstract: An encoding acceleration method of cloud VR (virtual reality) video, the method comprising: constructing a reference frame candidate for encoding of a current frame; selecting a specific reference frame among the reference frame candidate based on a sensor data of IMU (Inertial Measurement Unit); selecting a prediction mode for encoding the current frame based on information included in the specific reference frame; and encoding the current frame based on the selected prediction mode.

Abstract: A fuel cell includes: an electrolyte layer; a base electrode formed on one side of the electrolyte layer; and a catalyst electrode formed on the other side of the electrolyte layer to be apart from the base electrode with the electrolyte layer interposed therebetween. The catalyst electrode includes: a first electrode portion that covers a part of the electrolyte layer; and a second electrode portion that covers a part of a surface of the first electrode portion to form an electrode portion interface in contact with the first electrode portion.