Abstract: The present invention relates to a cold wallet apparatus. The cold wallet apparatus includes a homomorphic encryption generation module configured to generate homomorphic encryption using personally identifiable sensitive information; a first authentication code extraction module configured to extract an authentication code from the homomorphic encryption; a second authentication code extraction module configured to extract an authentication code from physical unclonable function (PUF) information of the cold wallet apparatus; a private key generation module configured to combine the authentication code extracted from the homomorphic encryption and the authentication code extracted from the PUF information to generate a private key; and a transaction signature module configured to perform a transaction signature using a wallet account and a wallet address generated based on the private key.

Abstract: An objective of the present disclosure is to provide an integrated condition monitoring system and method for an ice-going vessel, the system and method for acquiring voyage information and environment information when a vessel sails a polar ocean area. In order to achieve the objective, an integrated condition monitoring system for an ice-going vessel includes: imaging units installed at a bow, a stern, and left and right sides of the vessel, and imaging an ice environment; and a server monitoring an integrated condition of the vessel on the basis of images taken by the imaging units.

Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.

Abstract: The present invention relates to a composition including decursinol as an active ingredient for preventing or treating angina, arteriosclerosis, cerebral infarction, and hypertension. Poorly soluble decursinol was found to improve angina, arteriosclerosis, cerebral infarction, prostate hypertrophy, and diabetic hypertension by inhibiting the overgrowth of vascular endothelial cells, and is expected to be usable in the development of a composition for preventing or treating angina, arteriosclerosis, cerebral infarction, prostate hypertrophy, and diabetic hypertension.

Abstract: Provided are a method for generating a summary and a system therefor. The method according to some embodiments may include calculating a likelihood loss for a summary model using a first text sample and a first summary sentence corresponding to the first text sample, calculating an unlikelihood loss for the summary model using a second text sample and the first summary sentence, the second text sample being a negative sample generated from the first text sample, and updating the summary model based on the likelihood loss and the unlikelihood loss.

Abstract: The present invention provides a battery safety test device includes: a mechanical switch element having one end connected to either a battery positive or negative electrode and the other end connected to an electronic switching element; the electronic switching element having one end connected to the mechanical switch element and the other end connected to the other of the battery positive or negative electrode; a voltage sensor for measuring a voltage of the battery after the mechanical switch element and the electronic switching element are turned on; and a current sensor for measuring a current of the battery after the mechanical switch element and the electronic switching element are turned on.

Abstract: The present invention relates to a composition for preventing or treating a bone disease, obesity or an obesity-mediated metabolic disease, cancer, or cancer metastasis, and a method of screening a drug for treating the diseases, which includes an inhibitor of transmembrane 4 L six family member 19 (TM4SF19) expression or activity.

Abstract: A liquefied gas storage tank includes a corner block disposed on a corner portion, wherein the corner block includes a lower block, an upper block and an upper connecting block, the upper block includes a first inner fixing unit and a second inner fixing unit respectively provided inside a first surface and a second surface, bonded and connected to a secondary barrier, and each having a structure in which a primary inner plywood, a primary corner insulating material, and a primary outer plywood are stacked, and an inner bent portion installed at a corner spatial portion between the first inner fixing unit and the second inner fixing unit, and both side surfaces of the inner bent portion that are perpendicular to the secondary barrier each have a height reduced from a total height of each of the first and second inner fixing units.

Abstract: One embodiment of the present invention provides a method of manufacturing an electronic device using a cyclic doping process including i) an operation of forming a unit transfer thin film including a two-dimensional material on a transfer substrate, ii) an operation of doping the unit transfer thin film in a low-damage doping process, iii) an operation of transferring the unit transfer thin film doped according to the operation ii) on a transfer target substrate, and iv) an operation of repeatedly performing the operations i) to iii) several times to reach a target thickness.

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: The present technology may include a first storage circuit connected to a plurality of memory banks, an error correction circuit, a read path including a plurality of sub-read paths connected between the plurality of memory banks and the error correction circuit, and a control circuit configured to control data output from the plurality of memory banks to be simultaneously stored in the first storage circuit by deactivating the read path during a first sub-test section, and to control the data stored in the first storage circuit to be sequentially transmitted to the error correction circuit by sequentially activating the plurality of sub-read paths during a second sub-test section.

Abstract: A method and apparatus for classification using a neural network. A classification apparatus includes at least one processor and a memory. The memory is configured to store a classifier and a preprocessor including a defensive noise generator. The at least one processor generates defensive noise from an input image through the defensive noise generator in the preprocessor, generates a combined image by combining the input image and the defensive noise, and outputs a classification result by inputting the combined image to the classifier.

Abstract: A selector according to an embodiment of the present disclosure includes a first electrode; a second electrode disposed opposite to the first electrode; an ion supply layer disposed between the first electrode and the second electrode to be on the side of the first electrode and doped with a metal, wherein the doped metal diffuses toward the second electrode; a switching layer disposed between the first electrode and the second electrode to be on the side of the second electrode, wherein the doped metal diffuses from the ion supply layer into the switching layer so that metal concentration distribution inside the switching layer is changed to generate metal filaments; and a diffusion control layer inserted between the ion supply layer and the switching layer, wherein the diffusion control layer serves to adjust electrical characteristics related to the generated metal filaments as the amount of the diffusing metal is adjusted in proportion to a thickness of the diffusion control layer.

Abstract: A non-volatile memory device including a substrate including a first area and a second area, a mold structure on the substrate, the mold structure including gate electrodes and mold insulating films alternately stacked on each other in a stepwise manner, an interlayer insulating film covering the mold structure, a channel structure on the first area, the channel structure extending through the mold structure and connected to the gate electrodes, and a through-contact on the second area and extending through the interlayer insulating film, the through-contact including a first portion in a first trench and a second portion in a second trench, the first portion including a liner film along a sidewall and a bottom surface of the first trench and a filling film on the liner film, wherein the filling film being a multi-grain conductive material, and the second portion being a single grain conductive material, may be provided.

Abstract: An optical and copper composite terminal box can include a terminal box body, a splitter having a lead-in terminal connectable to any one of a plurality of cores included in an optical cable, and a plurality of output terminals connectable to a plurality of cables. The splitter can be provided on one side in the terminal box body. The terminal box can include a copper cable connection device which is disposed in the terminal box body adjacent to the splitter and is connectable to a copper cable forming a different signal from the optical cable.

Abstract: A dual polarization antenna is disclosed in at least one embodiment of the present disclosure, including a base substrate, a power feeding unit supported on the base substrate, and a radiating plate supported on the power feeding unit, wherein the first feeding substrate includes a first insulating substrate supported on the base substrate, and a first feed line attached to the first insulating substrate and configured to supply a first reference phase signal to a first point on the radiating plate and to supply to a second point on the radiating plate, a first reverse phase signal having a reverse phase relative to the first reference phase signal, and wherein the second feeding substrate includes a second insulating substrate supported on the base substrate, and a second feed line attached to the first insulating substrate and configured to supply a second reference phase signal to a third point on the radiating plate and to supply to a fourth point on the radiating plate, a second reverse phase signal havi

Abstract: A peridynamic method having an added mirroring node according to embodiments of the present invention includes: a first step of calculating a shape tensor of a first node; a second step of calculating force state vectors of the first node and each of a plurality of second nodes by using the shape tensor; and a third step of calculating a peridynamic motion equation of the first node by using the force state vectors. The first node is a node located on a boundary of a structure and has a predetermined size horizon region, the plurality of second nodes is nodes in the horizon region, the plurality of second nodes includes one or more third nodes, and the third node is a second node having no node at a point which is origin-symmetrical based on the first node among the plurality of second nodes. In the first step, the shape tensor is calculated by using a position value in which the third node is origin-symmetrical based on the first node.

Abstract: Provided are a barium titanate powder having spherical shape fine particles which have an average particle diameter (D50) in a range of about 140-270 nm, a tetragonal structure having a markedly improved tetragonality (c/a) in a range of 1.007-1.01 in contrast to the conventional composition, and at the same time, a markedly improved crystallinity in a range of 93-96%, thereby showing improved dielectric properties, and a manufacturing method thereof.

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: An apparatus for manufacturing a secondary battery includes: an index table configured to receive a secondary battery cell, the secondary battery cell including an electrode assembly, a can accommodating the electrode assembly, and an electrode tab between the electrode assembly and the can to electrically connect the electrode assembly to the can; a laser scanner configured to irradiate laser onto an outer surface of the can to weld the electrode tab to the can; and a controller configured to variably control the laser scanner according to an operation of the index table.