Abstract: There is provided a gas AMI data-based household gas energy consumption analysis and comparison method. An energy consumption analysis method according to an embodiment may include: collecting AMI data of a plurality of households; collecting household information of the plurality of households; analyzing energy consumption of each household, based on the collected AMI data; and providing household information of households that have similar energy consumption, based on a result of analyzing. Accordingly, information of other households that use the same/similar energy or have the same/similar energy consumption pattern may be fed back as comparison information, so that efficient use of energy and energy saving may be effectively induced.

Abstract: There is provided a temperature data-based gas usage correction method for a gas data platform. According to an embodiment, an energy usage correction method may collect gas meter reading data, may calculate energy usage based on the gas meter reading data, may collect temperature data, and may correcting the calculated energy usage. Accordingly, when it is impossible to obtain temperature in reading a gas meter, temperature compensation may be performed by linking temperature data collected separately and gas usage, and gas usage may be more exactly measured by correcting gas usage by compensating for temperature variation caused by a difference in seasons, installation regions in a gas data platform.

Abstract: A gesture detection system is disclosed. The gesture detection system includes a gesture detection sensor including a base sheet formed of a skin-conformable material, to be tightly attached to a skin, a sensing part formed at the base sheet, to measure deformation of the skin, and an electrode pattern formed at the base sheet and connected, at one end thereof, to the sensing part, to transmit an electrical signal varying in accordance with the deformation of the skin, a reader module connected to the gesture detection sensor, to read the electrical signal, and a computing device configured to receive the electrical signal from the reader module, thereby recognizing a gesture of the user. Through disposable use of the gesture detection sensor and multiple use of the reader module and the computing device, a hygienic gesture input environment may be provided to a plurality of users at low cost.

Abstract: There are provided a cloud management method and a cloud management apparatus for rapidly scheduling arrangements of service resources by considering equal distribution of resources in a large-scale container environment of a distributed collaboration type. The cloud management method according to an embodiment includes: receiving, by a cloud management apparatus, a resource allocation request for a specific service; monitoring, by the cloud management apparatus, available resource current statuses of a plurality of clusters, and selecting a cluster that is able to be allocated a requested resource; calculating, by the cloud management apparatus, a suitable score with respect to each of the selected clusters; and selecting, by the cloud management apparatus, a cluster that is most suitable to the requested resource for executing a requested service from among the selected clusters, based on the respective suitable scores.

Abstract: This application relates to a self-reference point setting type blood component measuring method and apparatus using light. In one aspect, the method includes applying light to a skin of a subject to be measured and setting a reference point on a surface of the skin adjacent to a point at which the light is applied. The method further includes calculating a concentration of a blood component from a light intensity measured at the reference point and a light intensity measured at another point. According to some embodiments, the accuracy and precision of measurement are increased in measuring blood in a non-invasive manner.

Abstract: There is provided a method of data replication between management modules in a rugged environment. According to an embodiment of the present disclosure, an edge server management module replication method includes: a step of collecting, by a first management module, environment information of an edge server; a step of managing, by the first management module, the edge server, based on the collected environmental information; a first storage step of storing, by the first management module, management data related to the edge server in a repository of the first management module; and a second storage step of storing, by a second management module, the management data stored at the first storage step in a repository of the second management module.

Abstract: There are provided a method and a system for image segmentation utilizing a GAN architecture. A method for training an image segmentation network according to an embodiment includes: inputting an image to a first network which is trained to output a region segmentation result regarding an input image, and generating a region segmentation result; and inputting the region segmentation result generated at the generation step and a ground truth (GT) to a second network, and acquiring a discrimination result, the second network being trained to discriminate inputted region segmentation results as a result generated by the first network and a GT, respectively; and training the first network and the second network by using the discrimination result. Accordingly, region segmentation performance of a semantic segmentation network regarding various images can be enhanced, and a very small image region can be exactly segmented.

Abstract: Provided is a 5G dual port beamforming antenna. The beamforming antenna according to an embodiment of the present disclosure includes a plurality of patch antennas, and the patch antenna includes: a first patch positioned on an upper portion; a second patch positioned on a left side under the first patch and having a plurality of feeding ports formed thereon; a third patch positioned on an upper portion of a right side of the second patch; and a fourth patch positioned on a lower portion of the right side of the second patch. Accordingly, 3D wide angle beamforming is possible in an antenna to be used in 5G mobile communication systems, military radar systems, etc.

Abstract: An antenna-integrated high-frequency semiconductor package, including a substrate including a recess concave on a first surface and a first through-hole penetrating from the first surface to a second surface, a ground layer configured to cover the first surface of the substrate and the recess, a semiconductor chip mounted on the ground layer of the recess, an insulating layer configured to entirely cover the substrate, the ground layer, and the semiconductor chip, and a conductive layer formed on the insulating layer, the conductive layer including an electrode pattern connected to the semiconductor chip, an antenna formed on a second surface of the insulating layer, and a signal via configured to transmit an electrical signal between the electrode pattern and the antenna through a second through-hole formed in the first through-hole to penetrate from the first surface to the second surface of the insulating layer.

Abstract: An apparatus and method for supporting a precision time synchronization protocol of a stealth clock type are provided. The method may be performed by a stealth clock follower device and may include transmitting a sync message received from a neighbor device to an end-follower device, receiving a delay-request message from the end-follower device, and updating a residence time in a correction field of the received delay-request message. The method may also include transmitting the updated delay-request message to a leader device, receiving a delay-response message from the leader device, and performing time synchronization based on a time of the leader device by using an ingress time of the sync message, an egress time of the updated delay-request message, and time information contained in the sync message and the delay response-message. The method may further include transmitting the delay-response message to the end-follower device for time-synchronization.

Abstract: Provided is an uncopyable hologram QR code, According to an embodiment of the present disclosure, a 3D code generation method divides a 2D code having specific information recorded thereon into a plurality of sub 2D codes, and generatES a 3D code by coupling at least one of the divided sub 2D codes at a different depth. Accordingly, a QR code is recorded on a hologram recording medium as a hologram, and is displayed and scanned, so that it is impossible to easily duplicate the QR code unlike an existing 2D QR code.

Abstract: A thermal-analysis-based output stabilization method and system for improving 3D printing output reliability are provided. The thermal-analysis-based output stabilization method according to an embodiment of the present invention comprises steps in which: an output stabilization system performs first stacking thermal analysis on a plurality of residual heat quantity review specimens for which a process range corresponding to normal output quality is set; the output stabilization system performs second stacking thermal analysis on an actual stacked product on the basis of the first stacking thermal analysis result in the same manner as the first stacking thermal analysis method; and the output stabilization system performs stability review on the stacking result of the stacked product on the basis of the second stacking thermal analysis result.

Abstract: Provided are a method and a system for determining a model output direction on the basis of heat dissipation characteristic analysis for stabilizing output of metal 3D printing.

Abstract: A system evaluates residential satisfaction of residents living in a building, based on preferred sections of the residents predicted using personal tendencies of the residents and sensing data collected through sensors in the building. The system may include a server that evaluates the residential satisfaction of the residents by analyzing a correlation between the sensing data and residential satisfaction information obtained from the survey conducted through a communication manner including the user terminals, and controls an air conditioning system in the building of a control target by predicting a feature-based preferred section of the users through random forest model learning.

Abstract: A haptic effect transmission method for providing real-time immersive content according to the present invention includes executing participatory content in which one or more users participate, collecting motion information of the users participating in the participatory content through a haptic device, multiplexing the motion information with video and audio files of the participatory content to obtain a multiplexed file, and demultiplexing the multiplexed file and providing the demultiplexed file to a display device and a haptic device of a client terminal.

Abstract: Provided is a deep learning-based panoptic segmentation accelerated processing technique using a complexity-based RPN skip method. An image segmentation system includes: a first processing unit configured to extract dynamic objects in an instance segmentation method by using an extracted feature; a calculation unit configured to control to skip some areas of the feature extracted at the network by the first processing unit, on the basis of complexity of the input image; a second processing unit configured to extract static objects in a semantic segmentation method by using the feature extracted at the network; and a fusion unit configured to fuse a result of extracting by the first processing unit and a result of extracting by the second processing unit. Accordingly, the panoptic segmentation method can be easily performed even in an embedded environment by reducing complexity for panoptic segmentation processing by reducing a calculation burden.

Abstract: A film for wrapping including a heat shrinkable film shrinkable when the heat shrinkable film reaches a predetermined temperature, and a capsule layer formed at one surface of the heat shrinkable film while including a plurality of microcapsules is disclosed. Electrophoretic particles are included in the microcapsules. Accordingly, a color or text represented at the film for wrapping is variable.

Abstract: Provided are a method for segmenting sign language into morphemes, a method for predicting morpheme positions, and a method for augmenting data. A system for analyzing sign language according to an embodiment of the present invention comprises: a recognition unit which recognizes key points of a speaker from a sign language video; and a prediction unit which inputs the recognized key points into an artificial intelligence model, segments the sign language into morphemes, and predicts position information of the segmented morphemes. Accordingly, by recognizing the morphemes of the sign language video frame by frame on the basis of a skeletal model and thereby segmenting the sign language into morphemes and predicting morpheme positions, it is possible to lay the foundations for accurate sign language translation.

Abstract: An energy harvesting system includes a plurality of energy converters connected to multiple ambient energy sources, respectively, receiving energy from the multiple ambient energy sources, and converting the received energy into electrical energy. The system also includes an electrical energy buffer receiving and collecting electrical energy from the energy converters, and combining the collected electrical energy to have a predetermined power level and a constant voltage converter receiving the combined electrical energy from the electrical energy buffer, and converting the received electrical energy into driving power of a power level usable by a load. The system further includes an electrical energy storage receiving the driving power from the constant voltage converter, storing the received driving power, and providing the stored driving power to the load.

Abstract: Provided is a switch having a structure having an excellent isolation characteristic even without a limiter in an ultrahigh frequency hand used for a military component. A switch according to an embodiment of the present invention comprises: multiple transistors which are connected in parallel to a path from an input terminal toward an output terminal and perform switching; and a first transmission line provided between the input terminal and a node on a path to which a first transistor is connected. By the present invention, switching can be performed in an ultrahigh frequency such as W-band while a GaN transistor is used, an insertion loss is low, an isolation characteristic is excellent, and eventually efficiency of an ultrahigh frequency circuit can be further enhanced.