Abstract: An apparatus for detecting a magnetic field includes a coil type magnetic resonator having a resonant frequency with respect to a magnetic field varying at a particular frequency and a loop antenna inductively coupled to the coil type magnetic resonator.

Abstract: Disclosed are a method and an apparatus for controlling a broadcasting network and a home network for a 4D broadcasting service. The method for controlling a broadcasting network for a 4D (four-dimension) broadcasting service according to an exemplary embodiment of the present invention includes: encoding image data of a predetermined place photographed by multiple cameras; receiving realistic effect data from at least one sensor sensing state information of the predetermined place while the photographing is performed; synchronizing the realistic effect data and the image data with each other by considering an encoding time of the image data; generating a transport stream (TS) including the realistic effect data and the image data based on the synchronization; and transmitting the generated TS to a home network.

Abstract: A multicast communication method, a multicast communication apparatus and a multicast communication system in a network environment lacking a continuous connectivity. The source node device selects a group leader device which is able to forward data to group member devices belonging to a multicast group, and forwards the data to the selected group leader device, thereby reducing traffic between node devices, improving network reliability and saving the communication cost.

Abstract: Disclosed herein is an apparatus for providing spatial contents service which includes a spatial contents insertion unit, a spatial contents generation unit, a topological relationship generation unit, and a spatial contents composition unit. The spatial contents insertion unit extracts spatial objects included in an image. The spatial contents generation unit generates primary spatial contents corresponding to the image. The topological relationship generation unit compares spatial location information of the primary spatial contents with spatial location information of one or more pieces of secondary spatial contents, and defines a spatial topological relationship between the primary spatial contents and the secondary spatial contents. The spatial contents composition unit couples or links the secondary spatial contents, which has a spatial topological relationship with the primary spatial contents, to the primary spatial contents.

Abstract: Provided are a control signal input device and method using posture recognition. More particularly, the present invention relates to a control signal input device including: a database unit storing predetermined system control commands corresponding to postures of combinations of one or more of an arm, a wrist, and fingers of a user; a sensing unit sensing a posture of a combination of the arm, wrist, and fingers of the user; and a control signal generating unit extracting a system control command corresponding to the sensed result of the sensing unit from the database unit and generating a control signal for controlling the system, and a control signal input method using the same.

Abstract: Disclosed are a method and a management apparatus of dynamic reconfiguration of semantic ontology. More specifically, the management apparatus of dynamic reconfiguration of semantic ontology of an exemplary embodiment of the present invention includes: a retrieval engine retrieving metadata stored in a semantic repository; a user interface listing the retrieved metadata; a semantic browser changing the content of the listed metadata on the basis of user input depending on the listed metadata; and an ontology updating unit dynamically reflecting the changed metadata onto ontology associated with the retrieved metadata.

Abstract: The present invention discloses an apparatus and method for protecting digital spatial information. The apparatus for protecting digital spatial information according to the present invention includes a spatial information authority database which stores access authority information on spatial information, an access authority determining unit which, when there is a request for access to the spatial information from a user, determines whether to permit the user to access the requested spatial information by referring to the spatial information authority database, a spatial information database, a spatial information providing unit which obtains the access-permitted spatial information from the spatial information database, organizes the information based on the user's request for access, and provides the information, and an access control unit.

Abstract: A method for providing a semantic context according to an exemplary embodiment of the present invention may include: extracting at least one of address information and surrounding address information of the address information on the basis of a user's location; reading a social relationship list which is a list of people having a social relationship with a user; extracting information associated with people on the read social relationship list in a region corresponding to at least one of the extracted address information and the extracted surrounding address information; and providing the extracted information to the user.

Abstract: Disclosed herein is an apparatus and method for providing an agent-based game service. The apparatus for providing an agent-based game service includes an input data management unit for collecting pieces of input data from a terminal device of at least one user. A data mining unit analyzes patterns of the pieces of input data and then generates and updates mined data according to the result of the pattern analysis. A game agent processing unit creates, using the mined data, a game agent which will replace the user and play a game instead of the user, and evolves the game agent to correspond to the updated mined data.

Abstract: The present invention relates to an open optical access network system in which one optical access network is open to enable a plurality of service providers and a plurality of subscribers to simultaneously use the optical access network, to thereby improve the efficiency of using the optical access network, wherein each subscriber can be provided with a plurality of different services from the plurality of service providers, thereby enabling the flexible selection of services and the flexible change in services, thus improving the efficiency of using an optical infrastructure.

Abstract: Provided are a system and a method for aiding a user's memory by using a robot. The present invention is provided to aid the user's memory by acquiring image data associated with surrounding situations according to a request from a user, granting a unique ID to data acquired according to a feedback from the user or collected from the outside, classifying and managing the collected data by considering user information, a position, a time, person information and the like, and selecting data which is managed according to a query selected by the user from predetermined queries. According to the present invention, daily activities can be recorded from a user-centered viewpoint and it is possible to easily access even a photo which is not stored in a DB of a robot in link with an SNS.

Abstract: Provided is an apparatus and method for reconstructing a computed tomography (CT) image using a color channel of a graphic processing unit (GPU) that reconstructs a three-dimensional (3D) image using a projection image obtained from a CT device. According to an embodiment of the present invention, an apparatus for reconstructing a CT image may include a tomography unit to acquire a plurality of projection images, a filter application unit to load the plurality of projection images on a texture memory having a color channel, and filter the plurality of projection images, and a back-projection application unit to apply a back-projection scheme to the plurality of projection images loaded on the texture memory having a color channel.

Abstract: Provided are a system and method of providing a service agent for a service execution environment based on user and terminal characteristics. The method includes providing a service agent satisfying a selected service and a verified terminal characteristics to a terminal unit when a user selects a specific service through the terminal unit, and generating or updating a user service list; searching the user service list when there is a request for providing update/re-installation/deletion of the service agent from the terminal unit, and then providing a service agent information list satisfying a verified service being used and the terminal characteristics of the terminal unit; and providing a service agent to the terminal unit to be updated/re-installed, when the user or the terminal unit selects the service agent to be updated/re-installed.

Abstract: The present invention relates to a procedure and a method for provisioning technology which ensure an IPTV terminal's easy switch to IPTV enterprisers, and suggests terminal configuration procedures independent of IPTV enterprisers. The present invention includes terminal initial setting in which the terminal is booted and is physically connected to a network and software stacks for terminal provisioning are initialized, network connection performed after an IP address is assigned by transmitting a discovery message to a DHCP server, enterpriser search and selection, enterpriser access, installation of extended packages for each enterpriser, IPTV service initiation, service unsubscribing and the like, as the provisioning procedures of the IPTV terminal.

Abstract: Provided is a variable gain amplifier. The variable gain amplifier includes an operational amplifier, a variable feedback impedance unit, a variable compensation impedance unit, and a variable current source. The variable feedback impedance unit is connected between an inverting input terminal and output terminal of the operational amplifier, and has a feedback impedance value which varies for gain control. The variable compensation impedance unit is connected to the inverting input terminal, and has a compensation impedance value which varies in response to change of the feedback impedance value for maintaining a constant feedback factor. The variable current source is connected to the inverting input terminal, and supplies an output current, which varies in response to change of the compensation impedance value, to the variable compensation impedance unit.

Abstract: Disclosed herein are a cell chip and a method of fabricating the same. The cell chip includes a cell-adhesivecell-adhesive layer disposed on a substrate. Photocrosslinked polymer barriers are disposed on the cell-adhesivecell-adhesive layer. The photocrosslinked polymer barriers may serve to restrict and grow cells only on the cell-adhesivecell-adhesive layer exposed between the barriers. Therefore, a cell growth direction may be precisely controlled. In addition, the photocrosslinked polymer barrier has a pattern formed by light, and simplifies a process of fabricating a cell chip.

Abstract: The method of segmenting a lesion in an image according to the present invention includes the steps of: obtaining an image of a region of interest from an image of a lesion; adjusting the contrast of the obtained image of the region of interest such that the contrast changes according to the distance from the center of the region of interest; removing noise from the image whose contrast is adjusted; and separating the region of the lesion from the noise-removed image. In the step of adjusting the contrast, the image is adjusted such that the contrast is increased as it goes away from the center of the region of interest, and thus it is possible to segment the lesion while maintaining the original shape of the lesion, thereby reliably segmenting the lesion even in the case where the inside of the lesion is not uniform.

Abstract: A generalized multiprotocol label switching (GMPLS) non-enabled network gateway for routing between a GMPLS enabled network and a GMPLS non-enabled network for connection between the GMPLS enabled network and the GMPLS non-enabled network, and an operating method for the GMPLS non-enabled network gateway are provided. The GMPLS non-enabled network gateway may include a border gateway protocol (BGP) routing unit to exchange routing information between a first GMPLS enabled network and a third GMPLS enabled network using a BGP, and a resource reservation protocol signaling unit to search for a path to another network using the routing information and to perform inter-autonomous system (AS) signaling by including a control plane of the first GMPLS enabled network or the third GMPLS enabled network and a signaling interface applying an out-of-band method.

Abstract: The present invention relates to a multi-control method for management of the response time of a data-centric real-time application program. The present invention integrally models a first system for controlling the response time of CPU operations and a second system for controlling the response time of accessing a storage medium using a MIMO structure and simultaneously controls the response time of the CPU operation and the response time of accessing the storage medium through the configuration by the integrated modeling. According to exemplary embodiments of the present invention, it is possible to more efficiently control the response time than an existing feedback control method.

Abstract: Provided is a dissolved oxygen measurement system. The dissolved oxygen measurement system includes a hydrogen storage device storing hydrogen, a first hydrogen fuel cell in which the hydrogen stored in the hydrogen storage device and water supplied from the outside in real time react with each other to generate first electricity energy, a water storage tank storing the water supplied from the outside, a second hydrogen fuel cell in which the water supplied from the water storage tank and the hydrogen stored in the hydrogen storage device react with each other to generate second electricity energy, and a control unit analyzing a difference between the first electricity energy and the second electricity energy.