Abstract: Provided are a device and method for estimating a pose of an object. The method includes inputting a labeled source image and an unlabeled target image to a recognition model for generating training data, training the recognition model to generate object information of the unlabeled target image, determining the generated object information to be a pseudo label of the unlabeled target image, and training a pose estimation model for estimating a pose of an object by inputting the pseudo-labeled target image and the labeled source image to the pose estimation model.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.

Abstract: A display panel includes a color conversion panel and a light emitting panel, the light emitting panel includes a light emitting device that includes a first electrode, a second electrode, and a blue light emitting unit that includes an organic light emitting layer and is disposed between the first electrode and the second electrode and is configured to emit blue light. The color conversion panel includes a color conversion layer including at least two color conversion regions, and optionally, a partition wall defining that at least two regions, wherein the color conversion region includes a first region corresponding to a green pixel, a second region corresponding to a red pixel, and optionally a third region corresponding to a blue pixel.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Abstract: A non-destructive inspection method of detecting defects in a pouch-type secondary battery is disclosed. The defects are due to a crack or weld condition of an electrode sealed with a pouch. The method is used in a manufacturing process of the pouch-type secondary battery, where the manufacturing process includes an electrode tab pre-welding process; an electrode tab main-welding process; and a packing process. The method can include a first crack condition inspecting operation; a second crack condition inspecting operation; and a weld condition inspecting operation. The first crack condition inspecting operation inspects a first crack condition of the electrode tabs which occurs in the electrode tab pre-welding process. The second crack condition inspecting operation inspects a second crack condition of the electrode tabs, which occurs in the electrode tab main-welding process. The weld condition inspecting operation inspects a weld condition of the electrode tabs.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: A method for preparing a platinum alloy catalyst using an oxide coating according to an embodiment of the present disclosure comprises: a first step of preparing a dispersion by mixing a commercial platinum catalyst and a transition metal precursor with a solvent; a second step of preparing a catalyst by putting an ultrasonic tip into the dispersion prepared through the first step and performing an ultrasonic process; a third step of performing a primary heat treatment process on the catalyst prepared through the second step; a fourth step of performing an acid treatment process on the catalyst that has undergone the primary heat treatment process through the third step; and a fifth step of preparing a platinum alloy catalyst by performing a secondary heat treatment process on the catalyst that has undergone the acid treatment process through the fourth step.

Abstract: The manufacturing method of a palladium transition metal core-based core-shell electrode catalyst according to an exemplary embodiment of the present disclosure includes a first step of preparing a slurry by irradiating ultrasonic wave to a dispersion solution including a solvent, a platinum precursor, a palladium precursor, a carbon support, and a transition metal precursor, a second step of preparing a solid material by filtering, washing, and drying the slurry prepared in the first step, and a third step of preparing a core-shell electrode catalyst by thermally treating the solid prepared in the second step in a specific gas atmosphere.

Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: A modeling method for designing a flow field of a fuel cell including a membrane electrode assembly including a catalyst layer and an electrolyte membrane, a gas diffusion layer, a flow field, and a bipolar plate includes modeling using a numerical model derived from a governing equation including a mass conservation equation of species, a fluid momentum in a porous media, and a modified Butler-Volmer's equation and outputting an oxygen diffusion characteristic in a catalyst layer from the modeling result.

Abstract: The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.

Abstract: A hierarchical fault classification method for a fuel cell system, a multi-stage fault diagnosis method therefor, and a fault diagnosis device therefor are disclosed. The fuel cell system is divided into a subsystem, a component, and an element step by step. The multi-stage fault diagnosis method includes detecting a subsystem, a fault of which occurs, in the fuel cell system composed of a plurality of subsystems and detecting an upper-level component, which causes the fault, among upper-level components included in the subsystem, the fault of which occurs, using measurement data and a control signal.

Abstract: The present invention provides a direct-fired supercritical carbon dioxide power generation system and a power generation method thereof, the system comprising: a combustor for burning hydrocarbon fuel and oxygen; a turbine driven by combustion gas discharged from the combustor; a heat exchanger for cooling combustion gas discharged after driving the turbine, by heat exchange with combustion gas recycled and supplied to the combustor; and an air separation unit for separating air to produce oxygen, wherein a portion of the combustion gas discharged after driving the turbine is branched before being introduced to the heat exchanger and is supplied to the air separation unit.

Abstract: The present disclosure is related to a method to control sizes of core-shell nanoparticles comprising the steps of: manufacturing slurry by irradiating ultrasonic waves to a dispersion solution containing a reducing solvent, a carbon support, a transition metal precursor and a precious metal precursor; manufacturing a solid by filtering the manufactured slurry, followed by washing and drying; and manufacturing a nanoparticle of a transition metal core and a platinum shell by heat-treating the dried solid at a temperature of 450 to 900° C. and a pressure of 1 to 90 bar for 0.5 to 10 hours under N2 atmosphere.

Abstract: Provided is a method for manufacturing a membrane-electrode assembly. The method includes forming an electrode layer, preparing a porous support layer, and positioning the electrode layer on each of both surfaces of the porous support layer and hot-pressing the electrode layer positioned on the both surfaces. The forming of the electrode layer incudes forming a functional layer including a hydrogen ion conductive binder resin on at least a portion of an electrode catalyst layer, and forming an electrolyte layer on at least a portion of the functional layer. The preparing of the porous support layer includes performing a pretreatment process by impregnating the porous support layer with a pretreatment composition, and the performing of the pretreatment process includes dipping the porous support layer in a first pretreatment composition and then drying the porous support layer, and dipping the porous support layer after drying in a second pretreatment composition.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: A block copolymer, an ion-exchange membrane including the block copolymer and a method of preparing the block copolymer are provided. The block copolymer may include a hydrophobic repeating unit and a hydrophilic repeating unit.

Abstract: The present invention provides a direct-fired supercritical carbon dioxide power generation system and a power generation method thereof, the system comprising: a combustor for burning hydrocarbon fuel and oxygen; a turbine driven by combustion gas discharged from the combustor; a heat exchanger for cooling combustion gas discharged after driving the turbine, by heat exchange with combustion gas recycled and supplied to the combustor; and an air separation unit for separating air to produce oxygen, wherein a portion of the combustion gas discharged after driving the turbine is branched before being introduced to the heat exchanger and is supplied to the air separation unit.