Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.

Abstract: A polyimide precursor monomer having an E value of 2.0 or more calculated by Equation 1 is selected among polyimide raw materials. A polyimide includes a structural unit derived from the polyimide precursor monomer having the E value of 2.0 or more. Optical properties of a polyimide film formed from the polyimide can be improved, and the optical properties of a polyimide film can be predicted from the E value of the polyimide precursor monomer even before production of the polyimide film.

Abstract: A method for manufacturing a LiDAR device is proposed. The method may include providing a LiDAR module including a laser emitting module and a laser detecting module to a target region. The method may also include adjusting, on the basis of first detecting data obtained from the laser detecting module, a relative position of a detecting optic module with respect to the laser detecting module. The method may further include adjusting, on the basis of image data obtained from at least one image sensor, a relative position of an emitting optic module with respect to the laser emitting module.

Abstract: Provided is a composition for forming a polyimide film for a cover window capable of satisfying a high performance required for the cover window, a process for preparing the same, and a use thereof. According to an embodiment, the composition may be usefully utilized in flexible display devices of various aspects providing a colorless and transparent film for a cover window that has excellent visibility without optical mura and deterioration in optical properties, and has excellent heat resistance and mechanical properties for use in optical applications.

Abstract: A method for manufacturing a light modulation device is provided. The light modulation device is capable of removing defects such as orientation irregularities. The light modulation device further improves the orientation state in the light modulation device that adjusts orientation of a liquid crystal compound or the like with a liquid crystal alignment film and a pressure-sensitive adhesive layer or adhesive layer.

Abstract: Provided is an apparatus for online action detection, the apparatus including a feature extraction unit configured to extract a chunk-level feature of a video chunk sequence of a streaming video, a filtering unit configured to perform filtering on the chunk-level feature, and an action classification unit configured to classify an action class using the filtered chunk-level feature.

Abstract: An image-based lighting method includes: receiving an input image obtained by capturing a scene of one of a front, rear and side of a vehicle; generating a panoramic image by mapping a first coordinate of each pixel constituting a region of interest of the received input image to a corresponding second coordinate using a lookup table; analyzing histograms of red, green, and blue of an upper region of the panoramic image to select a color in which a red value, a green value, and a blue value with a highest frequency are combined, and performing alpha blending on the upper region using the selected color; adjusting saturation of the panoramic image; and converting the panoramic image into a cube map image and applying the cube map image to a 3D vehicle model, wherein the lookup table stores a relationship in which a first coordinate of each of the pixels constituting the region of interest of the input image corresponds to a second coordinate of a pixel of the panoramic image.

Abstract: A polyimide composition includes a polyimide precursor or a polyimide that includes structural units derived from a first monomer including a diamine-based compound and structural units derived from a second monomer including a cardo group-containing dianhydride-based compound. The cardo group-containing dianhydride-based compound is included in a range from 12 mol % to 20 mol % based on a total number of moles of the second monomer.

Abstract: One embodiment provides a flexible smart window which includes an electrochromic structure including a discoloration layer, a first polyimide film disposed on the electrochromic structure, a second polyimide film disposed under the electrochromic structure, and a first adhesion promoting layer disposed on the first polyimide film and including at least one selected from the group consisting of a metal oxide, a metalloid oxide and an organic silane compound. Structural stability of the flexible smart window may be enhanced by improving an adhesive force between the polyimide film and the electrochromic structure in a high temperature process.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: Provided is an optical multilayer structure including a shatterproof layer including a polyimide resin including a siloxane structure and an adhesion promoting layer. Since the adhesion promoting layer and the shatterproof layer of the optical multilayer structure according to one implementation are connected by a chemical bond (imide bond), interlayer adhesiveness is high and durability is excellent. In addition, the optical multilayer structure according to one implementation has excellent heat resistance, so that curling is reduced to minimize substrate bending, has high surface hardness, so that mechanical properties are excellent, and has a low haze and is transparent, so that optical properties are excellent.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: The present invention relates to a factory simulator-based scheduling system using reinforcement learning, which schedules a process by training a neural network agent that determines a next action when a current state of a workflow is given in a factory environment in which a plurality of processes having a precedence relationship with each other constitutes a workflow and products are produced when the processes in the workflow are performed, and there is provided a factory simulator-based scheduling system using reinforcement learning, the system comprising a neural network agent having at least one neural network that outputs, when a state of a factory workflow (hereinafter, referred to as a workflow state) is input, a next work to be processed in the workflow state, wherein the neural network is trained by a reinforcement learning method; a factory simulator for simulating the factory workflow; and a reinforcement learning module for simulating the factory workflow using the factory simulator, extracting

Abstract: An optical multilayer structure including: a substrate; a shatterproof layer which is formed on at least one surface of the substrate and includes a polyimide film including a polyimide precursor, a polyimide, or a combination thereof including a structure of the following Chemical Formula 1, and inorganic particles; and a hard coating layer formed on the other surface of the substrate: wherein R1 and R2 are independently of each other C1-5 alkyl which is unsubstituted or substituted with one or more halogens; R3 and R4 are independently of each other C6-10 aryl which is unsubstituted or substituted with one or more halogens; L1 and L2 are independently of each other C1-10 alkylene; and x and y are independently of each other an integer of 1 or more.

Abstract: Disclosed is a process for converting methane into value-added compounds. In this process, a gas mixture containing hydrogen as well as high-concentration acetylene formed through methane pyrolysis (e.g. non-oxidative coupling of methane) is selectively hydrogenated in the presence of a bimetallic supported catalyst. This process obtains ethylene from acetylene in the gas mixture while unreacted methane and hydrogen are recovered as byproducts and/or additionally recycled.

Abstract: Provided is a method of preparing a composition for forming a polyimide film which may significantly improve dispersibility of a pigment. Specifically, the method includes preparing a polyamic acid resin in the presence of a pigment dispersion including a blue-based inorganic pigment and a dispersing agent. In addition, an average particle size of the inorganic pigment in the pigment dispersion may be 10 to 100 nm.

Abstract: An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts between an anode and a cathode and each having a light emitting layer. At least one of the at least two or more light emitting parts includes an organic layer. The organic layer is formed of a compound comprising a functional group that reacts with alkali metals or alkali earth metals and a functional group with electron transport properties.

Abstract: An image registration apparatus including at least one processor and configured to project, to a first model, a first image generated based on an image obtained from a first camera to generate a first intermediate image, to map the first intermediate image to a first output model to generate a first output image, to project, to a second model, a second image generated based on an image obtained from a second camera to generate a second intermediate image, to map the second intermediate image to a second output model to generate a second output image, and to determine a match rate between the first output image and the second output image and transform at least one of the first model and the second model based on a determined match rate and a preset reference match rate.

Abstract: Provided are polyimide precursor composition including a polyimide precursor including a siloxane structure, and inorganic particles, and an optical multilayer structure including a structure in which a polyimide shatterproof layer formed using the composition is formed on a substrate. The optical multilayer structure according to one implementation is less curled to minimize substrate bending and has significantly improved surface hardness, and thus, has excellent mechanical properties.

Abstract: An semiconductor device may include a first conductive line; a second conductive line disposed to be spaced apart from the first conductive line; a variable resistance layer disposed between the first conductive line and the second conductive line; and an electrode layer which is disposed at least one of a first location between the first conductive lines and the variable resistance layer, or a second location between the variable resistance layer and the second conductive lines and includes a thickness dependent metal-insulator transition (TDMIT) material that exhibits an electrical resistance depending on a thickness of the TDMIT material.