Abstract: The present invention relates to a method for preparing bone marrow-derived endothelial progenitor cells having increased vasculogenesis by using PDGF-BB, and a method for preparing a cell therapeutic agent for treating anangioplasia-related diseases by using the method. Particularly, the present invention relates to: a method for preparing endothelial progenitor cells having increased vasculogenesis, comprising a step of treating isolated endothelial progenitor cells with PDGF-BB and culturing same; a composition for stimulating vasculogenesis, comprising endothelial progenitor cells and PDGF-BB as active ingredients; a method for preparing a cell therapeutic agent for treating anangioplasia-related diseases, comprising a step of mixing isolated endothelial progenitor cells, mesenchymal stem cells and PDGF-BB; and a cell therapeutic agent for treating anangioplasia-related diseases, prepared by the method.

Abstract: Disclosed are an image encoding method using a skip mode and a device using the method. The image encoding method may comprise the steps of: judging whether there is residual block data of a prediction target block on the basis of predetermined data indicating whether residual block data has been encoded; and, if there is residual block data, restoring the prediction target block on the basis of the residual block data and an intra-screen predictive value of the prediction target block. Consequently, encoding and decoding efficiency can be increased by carrying out the encoding and decoding of screen residual data only for prediction target blocks where there is a need for a residual data block in accordance with screen similarity.

Abstract: A metamaterial structure according to one embodiment of the present disclosure is formed in a metal pattern that allows microwave transmittance to approach the transmittance of air in a specific frequency band of microwaves. In this case, the metal pattern is provided in an electrically interconnected form to perform a heating function.

Abstract: The present disclosure relates to a method of encoding a three-dimensional image including a point cloud. According to an embodiment of the present disclosure, a method of encoding a three-dimensional image may include determining a spatial area in a three-dimensional space represented by the point cloud, projecting, onto a two-dimensional plane, a plurality of points included in the point cloud to generate a plurality of patches, determining at least one patch corresponding to the determined spatial area, down-sampling at least one patch according to a predefined rule, generating a two-dimensional image by packing the at least one down-sampled patch and the plurality of patches corresponding to areas other than the determined spatial area, and generating and outputting a bitstream including data in which the two-dimensional image is compressed and information related to the down-sampling performed to generate the two-dimensional image.

Abstract: A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted. At the generating of the prediction information, the prediction information is generated by using the information on the coding unit neighboring to the current coding unit.

Abstract: An image encoding/decoding method and apparatus are provided. An image encoding method performed by an image encoding apparatus may comprise determining an intra-prediction mode of a current block, configuring a reference sample of intra prediction by using at least one of a neighbor pixel of the current block in a current picture and a pixel of a reference picture, and performing intra prediction for the current block based on the intra-prediction mode and the reference sample.

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Abstract: Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.

Abstract: Provided are a system and a method for performing layer optimization of a stacked resistive random access memory device by using artificial intelligence technology. The method relates to a method using a neural network device for performing layer optimization of a stacked resistive random access memory device by using artificial intelligence technology, and may comprise the steps of: classifying, by the neural network device, binary neural network (BNN) parameters into a physical parameter and a hyper-parameter in a BNN model; obtaining, by the neural network device, an optimal parameter by using the physical parameter and the hyper-parameter; and calculating, by the neural network device, a minimum channel size in the BNN model by using the optimal parameter.

Abstract: Disclosed is a carbon dioxide absorbent and a carbon dioxide separation method using the same that greatly reduces energy consumption due to a small amount of latent heat required in regeneration of absorbents, enhances CO2 absorption rate, undergoes almost no thermal denaturation even at high temperatures while absorbing carbon dioxide, and results in a considerable reduction of the cost associated with absorption of carbon dioxide.

Abstract: Disclosed are a system and method for training and managing a prediction model, and a master apparatus and a slave apparatus for the same. there is provided a system for training and managing a prediction model, the system including a master apparatus configured to generate a prediction model, train the prediction model, and obtain the trained prediction model; and a slave apparatus configured to collect data, transmit the data to the master apparatus, receive the prediction model or the trained prediction model from the master apparatus, and operate based on the prediction model or the trained prediction model. The master apparatus is further configured to generate the prediction model or train the prediction model based on the data transmitted from the slave apparatus.

Abstract: A method of detecting an abnormality in time series data according to an embodiment of the present disclosure is performed in a computing device including one or more processors and a memory storing one or more programs executed by the one or more processors. First masking is performed to cover a portion of input time series data with a mask. First-restored time series data in which the time series data is restored is generated by inputting the first-masked time series data to a generator. A difference between the first-restored time series data and original time series data is calculated. Second masking is performed to cover a portion of the time series data with a mask on basis of the calculated difference. Second-restored time series data in which the time series data is restored is generated by inputting the second-masked time series data to the generator.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: The construction method of NALU (Network Abstraction Layer Unit) for IPv6 label switching and its using algorithms of video encoding, QoS control, and decoding are provided. According to an embodiment of the present invention, the NALU format is composed of the NALH (Network Abstraction Layer Header) including the label and the NAL (Network Ab¬straction Layer) payload. Here, the label is determined based on layer information which is combination of a spatial scalable level, a temporal scalable level, and a quality scalable level of the encoded data. The decoder uses the label to decide which one of multiple decoding modules is used to decode the current NAL payload. Moreover, the label can be included in the packet header so that the MANE (Media Aware Network Element) can use the label to decide whether to forward the packet or drop it. For example, the label in the packet header can be used for QoS control of video service by using the flow label field in IPv6 packet header.

Abstract: The present disclosure relates to a method of manufacturing a liquid metal-based electrode using a light sintering process. The method of manufacturing a liquid metal-based electrode includes a step of preparing a metal nanoparticle solution, a step of adding metal micron particles and a surface modifier to the metal nanoparticle solution to prepare a mixed solution, a step of adding a liquid metal to the mixed solution to prepare a composite ink containing the liquid metal having a surface oxide film formed thereon, a step of forming an electrode by applying the composite ink onto a substrate, and a step of irradiating the electrode with light to destroy the surface oxide film.

Abstract: The present specification relates to: a delayed fluorescence organic light-emitting device that comprises a light-emitting layer comprising a first compound which has a LUMO energy level of EL1 and which is a delayed fluorescence dopant, and a second compound which has a LUMO energy level of EL2 and which is a host, and that satisfies |EL1|?|EL2|?0.2 eV, the binding energy of the first compound in an anion state being lower than the binding energy of the second compound in an anion state; and a delayed fluorescence sensitized hyperfluorescence device further comprising a third compound, which is a delayed fluorescence or fluorescent compound. A host, which has excellent electron transport capacity to have a LUMO energy level similar to that of a delayed fluorescence dopant, is used to delay the deterioration of a delayed fluorescent compound, and thus the lifespan of a delayed fluorescence organic light-emitting device or a hyperfluorescence organic light-emitting device can be remarkably improved.

Abstract: The present invention disclosures an oxide semiconductor transistor and a method of fabricating the same. The oxide semiconductor transistor according to an embodiment of the present invention includes a first gate electrode formed on a substrate; a first gate insulating film formed using a solution process on the first gate electrode; a source electrode and a drain electrode separately formed on one surface of the first gate insulating film; an oxide semiconductor film formed using a solution process on the first gate insulating film and the source and drain electrodes; a second gate insulating film formed using a solution process on the oxide semiconductor film; pixel electrodes separately formed on one surface of the second gate insulating film and electrically connected to the source and drain electrodes, respectively; and a second gate electrode formed on the second gate insulating film.

Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.

Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.

Abstract: The present invention discloses an image decoding method, the method including generating a candidate list including motion information derived from a spatial neighboring block and a temporal neighboring block adjacent to a current block; deriving motion information of the current block using the candidate list; generating a prediction block of the current block using the derived motion information; and updating the derived motion information in a motion information list, wherein the generating of the candidate list is performed in such a manner as to include at least one information of the motion information included in the updated motion information list in a block decoded before the current block.