Abstract: A local high-resolution imaging method and apparatus for a three-dimensional (3D) skeletal image is provided. The method includes determining a volume of interest (VOI) to perform high-resolution imaging from the 3D skeletal image in which an object to be inspected is captured, localizing the VOI based on a finite element method (FEM), and setting a multi-resolution constraint based on a bone mineral density (BMD) between the 3D skeletal image and the localized VOI and reconstructing a skeletal image in which high-resolution imaging is performed on the localized VOI.

Abstract: Provided is a diblock copolymer comprising a first block having a repeating unit represented by the following Chemical Formula 1, and a second block having a repeating unit represented by the following Chemical Formula 2:

Abstract: Disclosed are an apparatus, a method, and a computer program by which it is determined whether a target network program generated in a software defined network is malicious by extracting a feature of a behavior graph of the target network program and applying machine learning to the behavior graph. Accordingly, a security and safety of a software defined network may be improved by detecting whether a computer program is malicious before the malware is installed.

Abstract: The present invention relates to a multi-layer graphene-metal-polymer sheet for shielding electromagnetic wave, wherein an electromagnetic wave shielding effect is able to be increased by using graphene-metal nanocomposite powder in which graphene and metal particles are bonded as a conductive material and by constituting a multi-layer structure instead of increasing a content of the graphene-metal nanocomposite powder.

Abstract: Provided is a method for increasing a driving current of a junctionless transistor that includes: a substrate; a source region and a drain region which are formed on the substrate and are doped with the same type of dopant; a nanowire channel region which connects the source region and the drain source and is doped with the same type dopant as that of the source region and the drain region; a gate insulation layer which is formed to surround the nanowire channel region; and a gate electrode which is formed on the gate insulation layer and is formed to surround the nanowire channel region. An amount of current flowing through the nanowire channel region is increased by joule heat generated by applying a voltage to the source region and the drain region.

Abstract: Disclosed are a three-phase wireless power transfer (WPT) system and three-phase wireless rechargeable unmanned aerial vehicle (UAV) system based on the same. Three power receiving coils, including resonators, are installed at the ends of three landing leg of the UAV. A three-phase power converter installed in the UAV receives the three-phase AC induction current induced in three power receiving coils, including resonators, converting the three-phase AC induction current into a DC current to be charged in a battery. A three-phase power wireless charging apparatus wirelessly transfers three-phase power from three power transmitting coils to the three power receiving coils of the UAV when the three landing legs land on three coil seating units provided on a charging platform. A magnetic flux leakage shielding coil may be provided to prevent magnetic flux leakage from approaching the UAV. The power transfer efficiency is excellent, and electromagnetic interference can be also reduced.

Abstract: A pressure sensor including laterally arranged electrodes on a coplanar surface and a method of fabricating the pressure sensor are provided. The pressure sensor includes: a substrate whose top surface is formed in the form of a projection; a first electrode which is formed on one side of the top surface of the substrate; a second electrode which is formed on the other side of the top surface of the substrate and is spaced apart from the first electrode; and a dielectric material layer which is formed on the top surface of the substrate and fills a space between the first electrode and the second electrode. A pressure applied in a direction perpendicular to the top surface of the substrate causes a change in the dielectric constant of the dielectric material layer. The magnitude of the pressure is sensed by detecting a capacitance which changes according to the change in the dielectric constant.

Abstract: An emergency core cooling system removes decay heat generated by a reactor core of a reactor system. A reactor vessel uses water as a coolant. A containment structure surrounds the reactor system. A reactor cavity surrounds the reactor vessel. A first cavity pipe extends into the reactor vessel and provides a recirculation loop of cooling water by discharging vapor generated in the reactor vessel and supplying condensed water collected in the reactor cavity in an opposite direction.

Abstract: Disclosed is a method and apparatus for restoring an image. The method and apparatus may detect boundary information associated with a boundary in an image, generate a reproducing kernel used to restore a hole in the image based on the detected boundary information, estimate hole information using the generated reproducing kernel, and restore the hole based on the estimated hole information.

Abstract: Some embodiments of the present disclosure provide a method for managing access points in a Wi-Fi network by using a centralized controller. In some embodiments of the present disclosure, a Wi-Fi access point management method is provided for minimizing interference between Wi-Fi access points in a Wi-Fi network environment, and for reducing excessive power consumption by using a centralized controller to adapt to network conditions, meeting requirements including users' traffic demands.

Abstract: A service method and system using an instance interface of a virtualization object in an Internet of Things (IoT) environment is disclosed. A service method in an IoT environment may include: displaying a message to another instance using a feeder interface among interfaces included in an instance of a virtualization object about a thing; receiving a message displayed from a feeder interface of the other instance or the thing using a subscriber interface among the interfaces; transferring a message to the other instance or the thing using a controller interface among the interfaces; receiving a message transferred from a controller interface of the other instance using a receiver interface among the interfaces; and interacting with a 3rd party service using an authentication interface among the interfaces.

Abstract: A coordinate measurement device and method for hover sensing are disclosed. According to the present invention, the coordinate measurement device comprises: a channel electrode unit including a plurality of electrodes, wherein a capacitance of at least one of the plurality of electrodes variably changes by the approach of a contact object; a driving unit for applying a positive voltage to a first electrode group among the plurality of electrodes and applying a negative voltage to a second electrode group among the plurality of electrodes; a reception unit for receiving reception signals from a plurality of electrodes in the first electrode group and a plurality of electrodes in the second electrode group, respectively; and a processor for determining the position of the contact object on the basis of the received signals.

Abstract: A wireless power receiver for wirelessly receiving power from a wireless power supplier includes a power receiver for receiving wireless power from the wireless power supplier and storing the wireless power for a first time period, a rectifier connected to the power receiver for rectifying the wireless power, a power adjuster connected to the rectifier and an output end, for adjusting a magnitude of the wireless power by enabling the power receiver to store the wireless power for the first time period and delivering the wireless power to the output end for a second time period, and a controller for determining the first and second time periods.

Abstract: A photonic radiator forming a photonic phased array antenna includes a light waveguide including a waveguide clad and a waveguide core using semiconductor materials, and a grating periodically formed on an upper or lower part of the light waveguide, wherein the photonic radiator receives an input light wave in a direction of the grating and the light waveguide, radiates an output light wave to a space through scattering from the grating, and varies an effective refractive index of the grating through voltage supply or current injection in the vicinity of the photonic radiator to adjust a radiation angle of the output light wave that is radiated to the space.

Abstract: A wireless power receiver for wirelessly receiving a supply of power from a wireless power supplier is disclosed. The wireless power receiver includes a power reception unit for wirelessly receiving wireless power from the wireless power supplier; a rectifier for rectifying the wireless power into power including a DC waveform; a power adjustor for configuring a closed loop with the power reception unit for a first period and transferring the wireless power to the rectifier for a second period to adjust a size of the wireless power; and a controller for determining the first period and the second period, wherein the power adjustor is electrically connected to the power reception unit and the rectifier.

Abstract: A vehicle control device including a manipulating unit that is manipulated by a user and a vehicle having the same are provided. The vehicle control device includes a manipulating unit having an object detecting unit configured to detect an object in a noncontact manner and a pad disposed above the object detecting unit and having elasticity. In addition, a controller is configured to generate a control signal for operating a vehicle based on an output signal of the manipulating unit.

Abstract: Provided are a template-based watermarking method for a DIBR 3D image and an apparatus thereof. The method includes: determining a template watermark inserting area and a message watermark inserting area in spatial domain of an image; transforming the determined template watermark inserting area into a frequency domain to insert at least one preset template watermark and transforming the determined message watermark inserting area into a frequency domain to insert a preset message watermark; and transforming the template watermark inserting area, into which the template watermark is inserted, into a spatial domain and transforming the message watermark inserting area, into which the message watermark is inserted, into a spatial domain.

Abstract: Provided is a method of forming fine patterns capable of minimizing LER and LWR to form high quality nanopatterns, by using a block copolymer having excellent etching selectivity.

Abstract: A method and a system for media synchronization are described. The method for media synchronization may include collecting stream source information, generating network delay information between stream sources by performing a delay test between the stream sources, setting synchronization information of a stream source corresponding to a specific channel based on the collected stream source information and the network delay information, measuring network delay with at least one user terminal to receive the stream source, and updating the synchronization information based on the measured network delay.

Abstract: A non-linear gamma compensation current mode digital-analog converter includes: a first digital-analog converter block configured to: receive a digital signal, a first reference voltage, and a gamma adjustment voltage, and provide a reference current to a ground, wherein a first current flowing to a first current output terminal is determined according to the digital signal and the gamma adjustment voltage; and a second digital-analog converter block configured to: receive the digital signal, a second reference voltage, and a ground voltage, and provide the first current to the first digital-analog converter, wherein a second current flowing to a second current output terminal is determined according to the digital signal and the first current.