Abstract: Provided is a method for synthesizing bipyridine that includes performing a dimerization reaction of a reactant including a piperidine-based compound, a pyridine-based compound, or a mixture thereof in the presence of a catalyst in which an active metal is supported on a composite metal oxide support including silica (SiO2) and alumina (Al2O3).

Abstract: Provided is a fluorine-doped tin oxide support, a platinum catalyst for a fuel cell having the same, and a method for producing the same. Also described is a high electrical conductivity and electrochemical durability by doping fluorine to the tin oxide-based support through an electrospinning process. Thus, while resolving a degradation issue of the carbon support in the conventional commercially available platinum/carbon (Pt/C) catalyst, what is designed is to minimize an electrochemical elution of dopant or tin, which is a limitation of the tin oxide support itself and has excellent performance as a catalyst for a fuel cell.

Abstract: A system for measuring a depth of a stereoscopic image includes a display device displaying a stereoscopic image at a predetermined depth of field; a holographic camera generating an interference pattern image by sensing a wavelength and a phase of light of the stereoscopic image; and a control unit calculating a plurality of modulated image data having image information of the stereoscopic image at each depth of the plurality of depths based on the wavelength and the phase of the light, calculating edges of a field in each of the plurality of modulated image data to obtain edge detection values, calculating a modulated signal by arranging the edge detection values according to a depth in the each of the plurality of modulated image data, calculating a first maximum value of the modulated signal, and calculating a first depth corresponding to the first maximum value as the depth of field.

Abstract: An operating method is disclosed for a dehydrogenation reaction system. The method includes providing a system having: an acid aqueous solution tank including an acid aqueous solution; a dehydrogenation reactor including a chemical hydride of a solid state and receiving an acid aqueous solution from the acid aqueous solution tank to react the chemical hydride with the acid aqueous solution to generate hydrogen; and a fuel cell stack receiving hydrogen generated from the dehydrogenation reactor to be reacted with oxygen to generate water and simultaneously to generate electrical energy. The method also includes recycling the water generated from the fuel cell stack to one or all of the acid aqueous solution tank, the dehydrogenation reactor, and a separate water tank. The acid is formic acid and, in in the dehydrogenation reactor, the temperature is in a range of 10° C. to 400° C. and the pressure is in a range of 1 bar to 100 bar.

Abstract: The present invention relates to an internal chamber processing method, and more particularly, to an internal chamber processing method for performing processing on a chamber and a component inside the chamber. Disclosed is an internal chamber processing method for processing the inside of a chamber in which substrate processing is performed, the method including a pressurizing operation (S100) of raising a pressure inside a chamber to a first pressure (P1) higher than the atmospheric pressure by using a pressurized gas and a depressurizing operation of lowering the pressure inside the chamber from the first pressure (P1) to a second pressure (P2) after the pressurizing operation (S100). The pressurizing operation (S100) and the depressurizing operation (S200) are performed in a state in which a substrate to be processed is removed from the inside of the chamber.

Abstract: An apparatus and method for generating synthetic training data for motion recognition. The method includes generating a three-dimensional (3D) human body model in real time according to motion of a human body, converting volume data of the 3D human body model into a 3D linear structure and extracting skeletal joint information, generating a data set of a human body image and skeletal joint information by rendering the 3D human body model and the skeletal joint information, and providing the data set of the image and the skeletal joint information as synthetic training data for motion recognition.

Abstract: Provided are a method and an apparatus for determining a breathing status of a person using a depth camera. The method of determining a breathing status of a person using a depth camera may include acquiring a depth map by photographing one side of a person using a depth camera, extracting a region of the person by separating a background from the acquired depth map, extracting a breathing region from the extracted region of the person, obtaining a depth value for each point of the extracted breathing region for a preset time, and determining a breathing status including a volume of breathing and the number of the breathings by analyzing the obtained depth value. Therefore, it is possible to accurately determine the breathing status of the person in a non-contact manner.

Abstract: A method and apparatus for combining colorants using a camera. The method of combining colorants using a camera includes extracting color data from an image of an object captured using a camera, converting the color data into spectral reflection factor data of the object on the basis of a pre-constructed camera color model, acquiring spectral reflection factor data for an estimated colorant combination obtained by simulating a combination of colorant samples obtained from a colorant database, and selecting an optimal colorant combination by comparing errors between the spectral reflection factor data of the object and the spectral reflection factor data for the estimated colorant combination. Therefore, it is possible to use a highly accessible and inexpensive camera, such as a smartphone camera, and thus an ordinary user can easily find an optimal colorant combination.

Abstract: An apparatus and method for generating synthetic training data for motion recognition. The method includes generating a three-dimensional (3D) human body model in real time according to motion of a human body, converting volume data of the 3D human body model into a 3D linear structure and extracting skeletal joint information, generating a data set of a human body image and skeletal joint information by rendering the 3D human body model and the skeletal joint information, and providing the data set of the image and the skeletal joint information as synthetic training data for motion recognition.

Abstract: A method and apparatus for combining colorants using a camera. The method of combining colorants using a camera includes extracting color data from an image of an object captured using a camera, converting the color data into spectral reflection factor data of the object on the basis of a pre-constructed camera color model, acquiring spectral reflection factor data for an estimated colorant combination obtained by simulating a combination of colorant samples obtained from a colorant database, and selecting an optimal colorant combination by comparing errors between the spectral reflection factor data of the object and the spectral reflection factor data for the estimated colorant combination. Therefore, it is possible to use a highly accessible and inexpensive camera, such as a smartphone camera, and thus an ordinary user can easily find an optimal colorant combination.

Abstract: A method for controlling an electric conductivity of a metal oxide thin film is disclosed. The method may include forming a metal oxide thin film; applying thermal treatment to the metal oxide thin film; and irradiating UV (ultraviolet)-rays to the metal oxide thin film in an atmosphere containing water molecules and oxygen molecules. Thus, the hydrogen may be doped into the metal oxide thin film to improve the electric conductivity of the metal oxide thin film.

Abstract: A method of increasing a photographing speed of a photographing device which capture an image through a combination of two or more photographing devices and generate and provide an image by using the captured image, thereby increasing a photographing speed. An RGB image obtaining device and a depth image obtaining device alternately perform photographing to obtain an image. Also, a second depth image and a second RGB image respectively corresponding to a first RGB image and a first depth image which are alternately obtained by performing alternate photographing are synthesized and output, thereby actually increasing a photographing speed by twice.

Abstract: An apparatus and method for analyzing a golf motion. The apparatus includes acquiring, by an image sensor of a camera unit, a 2D image of motion of a user, acquiring, by a depth sensor of the camera unit, a depth image to temporally alternate with acquisition of the 2D image, the depth image including depth values of pixels in the 2D image, increasing an image-capturing speed by generating a corresponding depth image or a corresponding 2D image, which corresponds to a reference 2D image or a reference depth image acquired at a predetermined time, outputting the reference 2D image and the corresponding depth image or the reference depth image and the corresponding 2D image as output data for motion analysis, extracting skeletal information of the user through analysis of output data, and displaying motion of the user on a display unit based on skeletal information.

Abstract: An apparatus for generating 3-dimensional (3D) volume mask model and a method therefor. The apparatus includes a 2D mask data collector, a 3D mask model generator, and a 3D mask model adjuster, whereby 2D mask data is generated from a 2D mask image designed by a user, a 2D mask mesh is created based on inner and outer contour feature points, a 2D mask is transformed into a 3D model according to the user's settings, and the generated 3D mask model is modified to fit on a facial shape of a person who will wear the mask, and a 3D mask volume model is generated, which is immediately printed by a 3D printer to produce a 3D mask.

Abstract: The present invention relates to a device and a method for simulating 3D printing and more particularly, to a simulation technology which is able for a producer or a user to predict and correct a 3D model through previews shown when the 3D model displayed in a monitor is outputted by a 3D printer.

Abstract: A method of generating 3D printing data performed by an apparatus for generating 3D printing data includes generating a 3D model of an object; generating a surface height map from a texture image indicating a surface texture of the object; setting an area in which the surface height map is projected on a surface of the 3D model; slicing the 3D model into a plurality of cross-section segments; and correcting a shape of at least a portion among the cross-section segments in consideration of the area in which the surface height map is projected on the 3D model.

Abstract: An apparatus for generating 3-dimensional (3D) volume mask model and a method therefor. The apparatus includes a 2D mask data collector, a 3D mask model generator, and a 3D mask model adjuster, whereby 2D mask data is generated from a 2D mask image designed by a user, a 2D mask mesh is created based on inner and outer contour feature points, a 2D mask is transformed into a 3D model according to the user's settings, and the generated 3D mask model is modified to fit on a facial shape of a person who will wear the mask, and a 3D mask volume model is generated, which is immediately printed by a 3D printer to produce a 3D mask.

Abstract: A method for controlling an electric conductivity of a metal oxide thin film is disclosed. The method may include forming a metal oxide thin film; applying thermal treatment to the metal oxide thin film; and irradiating UV (ultraviolet)-rays to the metal oxide thin film in an atmosphere containing water molecules and oxygen molecules. Thus, the hydrogen may be doped into the metal oxide thin film to improve the electric conductivity of the metal oxide thin film.

Abstract: An assembly simulation apparatus and method for a wooden structure are provided. The assembly simulation apparatus for a wooden structure includes an element analysis unit for analyzing shapes of a plurality of elements constituting a three-dimensional (3D) wooden structure model and a coupling relation between the elements. A relation graph generation unit generates a relation graph based on the analyzed shapes of the plurality of elements and the analyzed coupling relation between the elements. An animation creation unit creates an animation of a movement path depending on a task for coupling or separating the plurality of elements, based on the generated relation graph. An animation play unit simulates an assembly method for the wooden structure by playing the created animation depending on the assembly method for the wooden structure.

Abstract: An apparatus and method for analyzing a golf motion. The apparatus includes acquiring, by an image sensor of a camera unit, a 2D image of motion of a user, acquiring, by a depth sensor of the camera unit, a depth image to temporally alternate with acquisition of the 2D image, the depth image including depth values of pixels in the 2D image, increasing an image-capturing speed by generating a corresponding depth image or a corresponding 2D image, which corresponds to a reference 2D image or a reference depth image acquired at a predetermined time, outputting the reference 2D image and the corresponding depth image or the reference depth image and the corresponding 2D image as output data for motion analysis, extracting skeletal information of the user through analysis of output data, and displaying motion of the user on a display unit based on skeletal information.