Abstract: The present disclosure according to at least one embodiment provides a quantum key distribution (QKD)-based quantum digital signature method using a trusted node, the QKD-based quantum digital signature method being performed by a trusted node. The method comprises sharing a first secret key with a message-sending node, sharing a second secret key with a message-receiving node, generating a first trusted-node signature by performing a partial QKD process together with the message-sending node, generating a second trusted-node signature by performing a partial QKD process together with the message-receiving node, and verifying a first message with the shared first and second secret keys and with the first and second trusted-node signatures.

Abstract: Provided is a laser scanner. The laser scanner includes a laser transmitter configured to output a laser radiated towards an object, a laser receiver configured to receive a laser reflected from the object, and an oscillating mirror of which a mirror surface is coated with a thin metal film to reflect the received laser reflected from the object and be penetrated by an electromagnetic wave incident from an outside the laser scanner. The received laser reflected from the object is reflected by the mirror surface of the oscillating mirror coated with the thin metal film and received by a laser receiver, and the electromagnetic wave incident from the outside the laser scanner penetrates the mirror surface of the oscillating mirror and then dissipates.

Abstract: Provided is an electronic device including processing circuitry configured to generate at least one signal according to a first communication protocol by referencing a lookup table, the lookup table including simulation waveform information, and the simulation waveform information simulating a second communication protocol different from the first communication protocol, and transmit the at least one signal, the at least one signal including a data packet.

Abstract: A high voltage generator is provided. The high voltage generator includes an inverter bridge including a first bridge leg and a second bridge leg, a first resonant branch coupled in series to the first bridge leg, a transformer coupled in series between the first resonant branch and the second bridge leg, a second resonant branch coupled in series with the transformer, and a rectifier circuit coupled with the transformer for providing an output voltage to an X-ray source.

Abstract: The present disclosure provides use of sweetpotato IbSAP15 gene in regulating leaf shape and flower shape of sweetpotato. Compared with the control, Ipomoea batatas cv. Xuzishu 8, IbSAP15-overexpressing lines have more deeply incised blades, dehiscent corollas, and higher ornamental value. In the present disclosure, overexpression of the sweetpotato IbSAP15 gene in sweetpotato can deepen leaf incisions, make trumpet-shaped corollas dehiscent, and change leaf shape and flower shape of sweetpotato. The present disclosure is suitable for developing sweetpotato germplasms with different leaf shape and flower shape and promotes ornamental flowering/foliage sweetpotato breeding.

Abstract: A method for inferring intent and discrepancies in a label coding scheme is described. The method includes compiling data indicating how one or more individuals labeled unstructured content according to the label coding scheme comprising a plurality of labels. The method also includes analyzing a context associated with a content labeled in a particular manner by the one or more individuals. The method further includes detecting discrepancies of meaning for a particular label used by the one or more individuals. The method also includes inferring a strategic thinking of the one or more individuals associated with the discrepancies of meaning detected for the particular label. The method further includes displaying recorded metadata associated with the strategic thinking and the discrepancies of meaning detected for the particular label between the one or more individuals regarding a coded dataset.

Abstract: Disclosed herein are a method and an apparatus for storing blockchain data based on error correction code. The method for storing blockchain data based on error correction code includes dividing block data to be stored into multiple subblock datasets, generating parity datasets corresponding to the block data, and storing the subblock datasets and the parity datasets in proportion to storage capacities of the blockchain data storage nodes.

Abstract: A method, an image processing apparatus, and a system for generating a road image by using two-dimensional map data are proposed. The method includes receiving, by an image processing apparatus, an input of the map data of a specific area, extracting, by the image processing apparatus, road geometry information and road attribute information of a road from the map data, determining, by the image processing apparatus, road object standard information matched with the road attribute information for at least one road element of the road, generating, by the image processing device, style information for the at least one road element on a basis of at least one of the road attribute information and the road object standard information, and applying, by the image processing apparatus, the style information to the road geometry information to generate a basic road image including the road and the at least one road element.

Abstract: A video encoding method includes classifying a plurality of view images into a basic image and additional images, performing pruning on at least one of the plurality of view images on the basis of the classification result, generating an atlas on the basis of the pruning result, and encoding the atlas and metadata for the atlas. Here, the metadata includes a first flag indicating whether depth estimation needs to be performed on a decoder side.

Abstract: Disclosed herein are a multimodal unsupervised meta-learning method and apparatus. The multimodal unsupervised meta-learning method includes training, by a multimodal unsupervised feature representation learning unit, an encoder configured to extract features of individual single-modal signals from a source multimodal dataset, generating, by a multimodal unsupervised task generation unit, a source task based on the features of individual single-modal signals, deriving, by a multimodal unsupervised learning method derivation unit, a learning method from the source task using the encoder, and training, by a target task performance unit, a model based on the learning method and features extracted from a small number of target datasets by the encoder, thus performing the target task.

Abstract: A reference element of an infrared sensor includes a substrate, a sacrificial layer, a supporting structure, a fence structure and an infrared sensing structure. The sacrificial layer is disposed on the substrate. The supporting structure is disposed on the substrate wherein the top surface of the supporting structure is coplanar with the top surface of the sacrificial layer. The fence structure is disposed on the substrate and surrounds the sacrificial layer wherein the top surface of the fence structure is coplanar with the top surface of the sacrificial layer, and there is an air gap between the fence structure and the supporting structure. The infrared sensing structure is disposed on the sacrificial layer, the supporting structure and the fence structure, and the infrared sensing structure has an opening corresponding to the air gap.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Abstract: A coupled physiological signal measuring device is provided. The coupled physiological signal measuring device includes at least two measuring electrodes, a signal processing unit and a multiplex feedback circuit unit. The measuring electrodes are used to obtain a real-time physiological signal through measurement. The signal processing unit includes a discharge control element. If an electrostatic surge of the real-time physiological signal meets a condition, a discharge control signal is outputted. The multiplex feedback circuit unit is used to discharge the measuring electrodes according to the discharge control signal.

Abstract: There is provided a method of classifying data by lifespan according to the number of times of moving data to improve performance and lifespan of a flash memory-based SSD. The method includes: a number of movements tracking step of tracking the number of times of moving a plurality of pages having data written therein from an arbitrary block to another block by Garbage Collection (GC) in the flash memory-based solid-state drive (SSD) starting from a time point of initial writing until a time point of invalidation of erasing or overwriting, by software mounted on a computer system; and a separation group forming step of forming separation groups by grouping one or more pages having the same number of times of moving data among the plurality of pages into one or more blocks by the software.

Abstract: The present disclosure provides a method of monitoring, evaluating and early-warning pollution for key pollution sources in an industrial park. The method comprises: a multi-index on-line early-warning monitoring method for pollution from key pollution sources, a hierarchical pollution risk evaluating method, and a pollution early-warning grade evaluating method, which are in line with the environmental management solution that pollution prevention is the priority in an industrial park in China.

Abstract: A coating material includes a modified particle and a reactive compound. The modified particle includes a core, and a silane coupling agent having an epoxy group (or a double-bond) grafted onto a surface of the core. When the silane coupling agent having the epoxy group is grafted onto the surface of the core, the reactive compound includes a non-silicon multi-epoxy compound and a silicon-containing multi-epoxy compound. When the silane coupling agent having the double-bond is grafted onto the surface of the core, the reactive compound includes a multi double-bond compound.

Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.

Abstract: A polymer is formed by reacting (a) benzaldazine compound with (b1) diamine compound, (b2) dianhydride compound, (b3) epoxy resin, or a combination thereof, wherein (a) benzaldazine compound has a chemical structure of in which R1 is —NH2, —OH, or The polymer can be combined with inorganic powder to form a thermal interface material.

Abstract: An electric aircraft according to an embodiment of the present invention comprises: a fuselage equipped with a power means, a front spar and a rear spar extending from the fuselage to an end of a wing, and a plurality of ribs extending from the rear spar to the front spar and coupled to the front spar and the rear spar, in which a plurality of solid state batteries are mounted in a plurality of individual spaces partitioned by the front spar, the rear spar, and the plurality of ribs, respectively, and the front spar and the rear spar are used as members for serial connection of the plurality of solid state batteries, and the plurality of ribs are used as members for parallel connection of the plurality of solid state batteries.

Abstract: A method and a system for providing a domain-based process framework are provided. The method for providing a domain-specific process framework, according to one embodiment of the present invention, comprises steps in which: a process framework provision system generates a process model on the basis of a pre-stored meta-model (primitive) and a relationship model (relation); and the process framework provision system distributes the generated process model. Therefore, a process framework capable of reflecting domain knowledge is introduced so that different business processes between companies can be normalized by domain.