Abstract: The electronic device includes a memory storing one or more instructions, and a processor configured to execute the one or more instructions to: receive a selection of a location of a synthesis region in an input image, obtain a target object image to be located in the synthesis region of the input image, by using at least one object detected in the input image, generate a composite image by combining the input image with the target object image, and control a display of the electronic device to display the composite image.

Abstract: A method of an electronic apparatus, includes: receiving, from a first user terminal, first avatar information corresponding to a first user and receive, from a second user terminal, second avatar information corresponding to a second user; identifying at least one first information of the first avatar information and at least one second information included in the second avatar information; identifying a first item based on the identified first information of the first avatar information; identifying a second item based on the identified second information of the second avatar information; obtaining a virtual space image in a metaverse by inputting the feature information corresponding to the identified first item and the identified second item to a trained neural network model; and transmitting the obtained virtual space image to the first user terminal and the second user terminal.

Abstract: The present invention relates to a composition for preventing, improving, or treating inflammatory disease containing isookanin or a salt thereof as an active ingredient. The composition containing the isookanin or salt thereof as an active ingredient according to the present invention has no skin irritation and cytotoxicity, and thus has excellent safety for the human body. In addition, it has excellent effects on the inhibition of JAK1 activity, kallikrein-5 activity, TLR-2 activation, COX-2 expression and activity, prostaglandin PGE2 production, and PGE2-induced angiogenesis, and thus is very effective in preventing, alleviating and treating inflammatory disease. Accordingly, the composition containing the isookanin or salt thereof as an active ingredient according to the present invention may be useful as an active ingredient in a cosmetic composition, a pharmaceutical composition, a composition for skin application and a quasi-drug composition for preventing, alleviating or treating inflammatory disease.

Abstract: A method of manufacturing an electrode for water electrolysis having high catalytic activity for a hydrogen evolution reaction by forming a catalyst layer in which molybdenum oxide and a Ni-Mo-based alloy are mixed and an electrode for water electrolysis manufactured thereby are described. The method includes preparing catalyst materials including a solvent, a nickel (Ni) precursor, a molybdenum (Mo) precursor, and sodium citrate, preparing an electrode base material, obtaining a plating solution by dissolving the nickel (Ni) precursor, the molybdenum (Mo) precursor, and the sodium citrate in the solvent, and forming a catalyst layer on the surface of the electrode base material by immersing the electrode base material in the plating solution and applying an electric current.

Abstract: Provided is an artificial intelligence (AI) system simulating functions of a human brain, such as recognition and decision, by using a machine learning algorithm, such as deep-learning. Image display apparatuses are more convenient for a user, by performing user authentication by using an authentication image set generated based on an object recognized from content viewed by the user.

Abstract: An image generating apparatus includes: a display outputting an image; a memory storing one or more instructions; and a processor. The processor is configured to execute the one or more instructions to detect an object in an image including a plurality of frames, provide a plurality of candidate boundaries for masking the detected object, identify an optimal boundary by assessing the provided plurality of candidate boundaries, and generate a partial moving image with the object moving by using the optimal boundary.

Abstract: A method for controlling an electronic device is disclosed. The method for controlling an electronic device comprises the steps of: receiving a sketch drawn by a user; acquiring at least one machine-generated image on the basis of the sketch by using an artificial intelligence model learned by an artificial intelligence algorithm; displaying the acquired at least one machine-generated image; receiving a user command for selecting one of at least one displayed machine-generated image, and searching for at least one piece of content corresponding to the image selected according to the user command; and providing the searched for at least one piece of content.

Abstract: An apparatus for constructing a library for deriving a material composition using empirical result, which enables acceleration of research on the material-properties relationship. By applying the empirical results of the material composition, missing data of the material compositions can be statistically calculated by using supervised non-linear imputation techniques. The completed composition information of the materials is passed as an input of machine learning material-properties relationship prediction.

Abstract: The electronic device includes a memory storing one or more instructions, and a processor configured to execute the one or more instructions to: receive a selection of a location of a synthesis region in an input image, obtain a target object image to be located in the synthesis region of the input image, by using at least one object detected in the input image, generate a composite image by combining the input image with the target object image, and control a display of the electronic device to display the composite image.

Abstract: An image generating apparatus includes: a display outputting an image; a memory storing one or more instructions; and a processor. The processor is configured to execute the one or more instructions to detect an object in an image including a plurality of frames, provide a plurality of candidate boundaries for masking the detected object, identify an optimal boundary by assessing the provided plurality of candidate boundaries, and generate a partial moving image with the object moving by using the optimal boundary.

Abstract: Provided is an artificial intelligence (AI) system simulating functions of a human brain, such as recognition and decision, by using a machine learning algorithm, such as deep-learning. Image display apparatuses are more convenient for a user, by performing user authentication by using an authentication image set generated based on an object recognized from content viewed by the user.

Abstract: An electronic device according to an embodiment of the present disclosure includes a display, a memory configured to store one or more instructions, and a processor configured to execute the one or more instructions stored in the memory to recognize one or more objects from an image, determine one or more recommended applications respectively corresponding to the one or more objects through a learning model using one or more neural networks, and display the determined one or more recommended applications on the display so that the determined one or more recommended applications operate.

Abstract: A method of manufacturing a nanocatalyst for a fuel cell electrode, capable of carrying metal catalyst nanoparticles on a polymer carrier without using a carbon carrier, includes steps of impregnating a conductive polymer carrier with a metal catalyst precursor solution; vacuum-drying the conductive polymer carrier; and heat-treating the conductive polymer carrier at a temperature of 160 to 300° C.

Abstract: A polymer electrolyte membrane fuel cell is provided. The polymer electrolyte membrane fuel cell includes a phosphoric acid-doped polyimidazole electrolyte membrane and a complex catalyst. In the complex catalyst, an alloy or mixture of a metal and a chalcogen element is supported on a carbon carrier. The polymer electrolyte membrane fuel cell exhibits further improved long-term operation, power generation efficiency, and operational stability at high temperature. The complex catalyst can be produced by a simple method.

Abstract: The present disclosure relates to a PtAu nanoparticle catalyst heat-treated in the presence of carbon monoxide (CO) and a method for preparing same. Since the PtxAuy nanoparticle catalyst heat-treated under CO atmosphere has high Pt surface area and superior oxygen reduction reaction (ORR) activity, a high-efficiency, high-quality fuel cell can be achieved by applying the catalyst to a fuel cell.

Abstract: Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process.

Abstract: A polybenzimidazole based polymer in which substituted or non-substituted benzyl groups are introduced to the two nitrogen atoms of benzimidazole ring. The benzimidazole ring is not decomposed by the attack of hydroxide ions but shows excellent alkali resistance, and thus maintains high ion conductivity. The polybenzimidazole based polymers are particularly useful for not only solid alkali exchange membrane fuel cells (SAEMFC) but also various industrial fields in which polybenzimidazole based polymers are used.

Abstract: Disclosed are a method and an apparatus for an intact evaluation of the unit cells in a fuel cell stack. Since the degradation of the unit cells can be detected intactly, i.e. without disassembly of the stack, the time required for the detection and analysis thereof can be greatly reduced.

Abstract: A semiconductor device includes a capacitor with reduced oxygen defects at an interface between a dielectric layer and an electrode of the capacitor. The semiconductor device includes a lower metal layer; a dielectric layer on the lower metal layer and containing a first metal; a sacrificial layer on the dielectric layer and containing a second metal; and an upper metal layer on the sacrificial layer. An electronegativity of the second metal in the sacrificial layer is greater than an electronegativity of the first metal in the dielectric layer.

Abstract: The present disclosure relates to a method and an apparatus for preparing nanosized metal or alloy nanoparticles by depositing metal or alloy nanoparticles with superior size uniformity on the surface of a powder as a base material by vacuum deposition and then dissolving or melting the base material using a solvent or heat. The method solves the problems of the existing expensive multi-step synthesis method based on chemical reduction and allows effective synthesis of metal or alloy nanoparticles with very uniform size and metal or alloy catalyst nanoparticles supported on carbon at low cost.