Abstract: A deepfake detection device may include a data input unit that receives an input image including a low-quality deepfake video, a branch-based super-resolution training unit that enhances the resolution of the input image through unsupervised super-resolution training and generates a plurality of super-resolution images having different sizes, and a multi-scale training unit that performs multi-scale training, without resolution conversion, on the plurality of super-resolution images having different sizes, respectively. The multi-scale training unit may synthesize multi-scale training results for the plurality of super-resolution images having different sizes, respectively, and determine whether the input image is a deepfake based on the multi-scale training results.

Abstract: There is provided a quantum computing method and device. The method comprises generating a pair of communication qubits having a quantum entanglement; transporting each of the pair of communication qubits to two different cores, respectively; executing an operation between a data qubit positioned at each of the two different cores and each of the pair of the communication qubits transported to each of the two different cores; measuring a quantum state of the pair of communication qubits; and executing an operation on the data qubit positioned at each of the two different cores based on a measurement result of the quantum state of the pair of communication qubits.

Abstract: The present invention provides a method for preventing or treating liver cancer in a subject comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide and an expression vector containing the polynucleotide to the subject.

Abstract: Disclosed is a method of preparing sodium-catalyzed iron-aluminum inorganic catalyst for catalyzing a hydrogenation reaction of carbon dioxide. The method of preparing sodium-catalyzed iron-aluminum inorganic catalyst includes: a first step of mixing a precipitant solution formed by dissolving a basic precipitant with a reaction solution formed by dissolving an iron (Fe) precursor material and an aluminum (Al) precursor material, thereby forming a suspension solution; a second step of aging the suspension solution; a third step of separating powder from the aged suspension solution; a fourth step of drying the separated powder and then performing a first heat treatment, thereby forming first catalyst powder; and a fifth step of adding and stirring the first catalyst powder and a sodium precursor material to water and evaporating the water and then performing a second heat treatment, thereby preparing a sodium-introduced iron-aluminum inorganic catalyst.

Abstract: A federated learning method using artificial intelligence performed by a local client is disclosed. The federated learning method comprises receiving a model from a central server to store the model as a global model and a local model, learning the local model using internal data based on the global model, and transmitting the learned local model to the central server. The learning of the local model is performed by learning a discriminator model and a classifier using features of the global model and features of the local model in each batch of the internal data to generate the features of the local model through the learning of the local model so that the features of the local model are not discriminated as the discriminator model and to operate the classifier to classify a correct answer. Hence, divergence of the global model in federated learning can be suppressed.

Abstract: Disclosed are a method for fabricating an enhancement mode transistor material, an enhancement mode transistor material fabricated thereby, an enhancement mode transistor including the same, and an amplifying circuit including the same. The method for fabricating an enhancement mode transistor material includes: a first step of mixing and reacting a solution including a conductive polymer and an ionic reactant including a negative ion that enables deprotonation of the conductive polymer.

Abstract: The present specification discloses a method of decoding an image. The method of decoding an image according to the method includes: obtaining transform skip information of a current block from a bitstream; obtaining multiple transform selection information of the current block on the basis of the transform skip information from the bitstream; and performing inverse transform on the current block on the basis of the multiple transform selection information, wherein the multiple transform selection information is used to set each of a horizontal transform type and a vertical transform type.

Abstract: Disclosed are a bipolar polymer electrolyte membrane for water electrolysis and manufacturing method thereof. A bipolar polymer electrolyte membrane for water electrolysis according to the present disclosure may comprise a proton exchange membrane that is composed of a first compound including a poly(fluorene biphenyl indole) polymer compound as a main chain and an aliphatic hydrocarbon group having a cation exchange group on a side chain of the polymer compound, and an anion exchange membrane that is composed of a second compound represented by Formula 1 below, wherein the proton exchange membrane and the anion exchange membrane have structures bonded to each other: in Formula 1, R1 is the anion exchange group and m is an integer from 70 to 90.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. Coding decision information of a representative channel of a target block is shared as coding decision information of a target channel of the target block, and decoding of the target block is performed using the coding decision information of the target channel. Since the coding decision information of the representative channel is shared with an additional channel, repeated signaling of identical coding decision information may be prevented. By means of this prevention, the efficiency of encoding and decoding of the target block or the like may be improved.

Abstract: Disclosed herein are a multi-view video encoding/decoding method and apparatus, and a method for transmitting a bitstream generated by the multi-view video encoding method. The multi-view video encoding method according to the present disclosure may include generating first bitstreams for each of a plurality of quantization parameters (QPs) different from each other by encoding an atlas for a multi-view video in the quantization parameters; extracting second bitstreams for sub-regions in the atlas from the first bitstreams; and generating a third bitstream by merging, among the second bitstreams, second bitstreams with a predetermined bit rate.

Abstract: Disclosed are a thin-film transistor and a method for manufacturing the same. The thin-film transistor includes: a substrate serving as a gate electrode; a gate insulating film formed on the substrate; a metal layer formed on the gate insulating film; a metal oxide layer formed on the metal layer and covering an entirety of a surface of the metal layer; a metal oxide semiconductor layer formed so as to cover an entirety of a surface of the metal oxide layer; and a source/drain electrode formed on the metal oxide semiconductor layer, wherein the thin-film transistor further comprises an oxygen depletion layer disposed in an area of the metal oxide semiconductor layer adjacent to the metal oxide layer, wherein the metal oxide semiconductor layer is obtained by crystallizing an amorphous metal oxide semiconductor layer under heat-treatment.

Abstract: Provided is a time series anomaly detection method using a GRU-based model. The method includes inputting time series data from a predetermined second to 1 second before a target point in time into a stacked GRU, outputting an output of the stacked GRU after passing through a fully connected layer, adding data from the predetermined second before the target point in time to an output value that has passed through the fully connected layer via a skip connection, and learning the GRU-based model to obtain predicted data at the target time point through actual data at the target time point and mean square error (MSE) loss on the basis of the added data. A similarity calculation unit is additionally provided to the GRU-based model, and the similarity calculation unit receives the time series data, generates latent variables, calculates a sum of similarities, and reflects importance of the latent variables, thereby learning the GRU-based model.

Abstract: An antenna apparatus includes: a ground plane including first sides parallel to a first direction and second sides parallel to a second direction, on a plane formed in the first and second directions; a dielectric layer disposed on the ground plane in a third direction; an antenna patch overlapping the ground plane in the third direction; and vias connected to the ground plane and passing through at least a portion of the dielectric layer. Edges of the vias at least partially overlap the first sides of the ground plane in the third direction.

Abstract: The present disclosure relates to a method of transferring a graphene, the method comprising the steps of: forming a graphene on a first substrate; forming a polymer precursor mixture on a second substrate; disposing the graphene oppositely to the second substrate having the polymer precursor mixture formed thereon; pressing the first substrate and the second substrate while curing the polymer precursor mixture; and peeling off the first substrate.

Abstract: The present invention relates to a dual-scale porous silica particle-based pharmaceutical composition for preventing or treating cancer, which includes porous silica nanoparticles and porous silica microparticles. The pharmaceutical composition of the present invention promotes the generation of a larger amount of antigen-specific, cytotoxic T cells against cancer than a mesoporous silica nanoparticle (MSN) vaccine, and exhibits increased anti-tumor efficacy compared with a mesoporous silica microrod (MSR) vaccine.

Abstract: A distributed type traffic line tracing apparatus of the present disclosure is personally installed in a residence of a tracing target person, to automatically verify whether a traffic line of the tracing target person coincides with a traffic line of a confirmed person and automatically report a result to a disease management authority only when the traffic lines coincide with each other in an emergency situation such as an infectious disease pandemic, so that a quarantining target person is discovered and found early while protecting a privacy of an individual much more when compared to a centralized type, thereby rapidly establishing an infectious disease management system for patients with suspected diseases and efficiently managing the patients from the spread of infectious diseases.

Abstract: A resonant tunneling device includes a first two-dimensional semiconductor layer including a first two-dimensional semiconductor material, a first insulating layer on the first two-dimensional semiconductor layer; and a second two-dimensional semiconductor layer on the first insulating layer and including a second two-dimensional semiconductor material of a same kind as the first two-dimensional semiconductor material.

Abstract: Disclosed are stack structures and their fabrication methods. The method comprises providing a growth chamber with a first two-dimensional material layer, forming a defect on a surface the first two-dimensional material layer, and forming a second two-dimensional material layer on the first two-dimensional material layer. The step of forming the second two-dimensional material layer includes supplying the growth chamber with a transition metal precursor and a chalcogen precursor, and reacting the first two-dimensional material layer and the transition metal precursor with each other.

Abstract: An ADHD severity evaluation system using correlations between data gathered by VR and an ADHD-RS is provided. The ADHD severity evaluation system allows for gathering accurate data on a subject in an isolated and controlled environment by using VR, and improves the accuracy of ADHD diagnosis by measuring the severity and progression of ADHD. This can help determine an appropriate method and procedure for treating and/or relieving ADHD.

Abstract: Provided are a cathode active material, a cathode comprising same, and a secondary battery. The cathode active material contains crystal water and a manganese-based metal oxide and has a first crystal phase having a two-dimensional crystal structure and a second crystal phase having a three-dimensional crystal structure, wherein the three-dimensional crystal structure is formed by the combination of manganese in the manganese-based metal oxide and oxygen in the crystal water.