Abstract: Provided is a method of supporting CoAP-based sensor data transmission between a sensor data collector in a sensor node relay and one or more 6LoWPAN-unsupported sensor nodes. The method includes receiving a CoAP sensor data request message from the sensor data collector, transmitting a CoAP sensor data request message to a corresponding 6LoWPAN-unsupported sensor node by analyzing the received CoAP sensor data request message, and responding to the sensor data collector by creating a CoAP sensor data response message including sensor data received from one or more of the 6LoWPAN-unsupported sensor nodes.

Abstract: There are provided a method for setting a sensor node and setting security in a sensor network, and a sensor network system including the same. A setting apparatus scans a near field communication apparatus included in the sensor node to obtain information on the sensor node. The information on the sensor node is transmitted to a gateway, and the gateway connects the sensor node to the sensor network using the received information on the sensor node.

Abstract: In a sensor network, a sensor data processing apparatus generates a feature vector identifier table by classifying feature vector identifiers of a plurality of situation information determination reference data to be a reference of situation determination according to a sensor type index and a feature vector identifier set index of the plurality of situation information reference data. When the sensor data processing apparatus receives sensor data, the sensor data processing apparatus generates a feature vector identifier of the sensor data and extracts a sensor type index and a feature vector identifier set index of a feature vector identifier most similar to the feature vector identifier of sensor data with reference to a feature vector identifier table, and generates situation recognition information using the extracted sensor type index and feature vector identifier set index.

Abstract: Provided are an apparatus and method for recognizing an object on the basis of property information on an object obtained using a multi-wavelength spectrometer. An apparatus for recognizing an object using a multi-wavelength spectrometer includes an image processing unit configured to extract an region of interest from an input three-dimensional image and output shape information on the region of interest, a light irradiation unit configured to irradiate light of a plurality of wavelengths to an arbitrary position of an object corresponding to the detected region of interest, a light receiving unit configured to measure a spectrophotometric value for each light of the plurality of wavelengths, and a light processing unit configured to generate a differential spectrophotometric map using a differential value between spectrophotometric values of different wavelengths measured at the same light irradiation position, and recognize the object using the differential spectrophotometric map and the shape information.

Abstract: Provided is an automatic texture recognition apparatus. The automatic texture recognition apparatus includes a light irradiation unit irradiating, to a subject, a light modulation pattern generated according to a synchronization control signal and a pattern control signal; a hybrid optical sensor taking an image of the subject to generate an image input signal; a texture recognition unit using the image input signal to recognize a 2D texture of the subject; and a control unit generating the synchronization control signal and the pattern control signal, wherein the texture recognition unit transmits a process result according to whether the 2D texture of the subject is recognized, the control unit generates the pattern control signal and the synchronization control signal for changing the light modulation pattern according to the process result.

Abstract: Disclosed are a key managing system and method for sensor network security. The key managing system includes a secret key transmitter configured to transmit a portion of a secret key map, stored in a node, to a correspondent node, and transmit the secret key map of the node to the correspondent node by using the transmitted portion of the secret key map and an authenticator configured to acquire a trust level of the correspondent node which indicates a ratio of a total size of the secret key map of the node and a size of the secret key map transmitted to the correspondent node, compare the acquired trust level of the correspondent node and a threshold value, and authenticate the correspondent node and a message acquired from the correspondent node by using the comparison result.

Abstract: A method for cleaning a water purifier comprising: a filtering unit; a water tank unit for storing purified water having passed through the filtering unit; and a discharging unit for discharging out the purified water stored in the water tank unit, the method comprises: a cleaning water supplying step of supplying cleaning water in which a cleaning agent is dissolved to the water tank unit; a cleaning water discharging step of discharging the cleaning water when a predetermined time has lapsed; a rinsing water supplying step of supplying rinsing water to the water tank unit when the cleaning water discharging step has been completed; and a rinsing water discharging step of discharging the rinsing water when a predetermined time has lapsed. In the method, cleaning and rinsing processes for a water purifier are automatically executed by a series of consecutive processes. Accordingly, a user can directly clean the water purifier if necessary without requiring a Codi's visit.

Abstract: Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data.

Abstract: Provided are a channel server, a channel prediction server, a terminal, and a method for a fast channel switching. The channel server may generate at least one delay multicast stream from an original multicast stream by applying a different delay value based on channel preference information, and may determine an optimal multicast stream from the at least one delay multicast stream, and transmit, to a terminal, response information associated with the optimal multicast stream in response to query information associated with the original multicast stream received from the terminal.

Abstract: A fragmentation repetition detection apparatus (410) for detecting an IP fragmentation repetition which may occur in a multicast or unicast environment is provided. The fragmentation repetition detection apparatus (410) includes a packet capturing unit (411) which captures a received packet, a fragmentation repetition detector which detects whether or not the captured packet is a packet which is repetitively fragmented, and a path maximum transmission unit (PMTU) transmitter (414) which transmits PMTU information acquired by the fragmentation repetition detector (412) to a server which transmits the packet when the captured packet is a packet which is repetitively fragmented. Since a packet is transmitted by readjusting a PMTU, a fragmentation of an IP packet can be prevented.

Abstract: A system on chip (SoC) and a method of operating the same are provided. The SoC includes a central processing unit (CPU) controlling a memory operation and a display operation on a current frame of an image based on generation of the image and an interrupt signal; an image generator requesting data of the current frame from a memory according to control of the CPU; a UD unit determining whether the current frame is updated, detecting whether an update region is a partial frame based on virtual addresses included in a request of the image generator, and outputting the interrupt signal corresponding to the update region to the CPU; a memory controller storing the update region in the memory according to the control of the CPU; and a display controller accessing the memory and outputting the update region to a display device according to the control of the CPU.

Abstract: Provided is a method of supporting CoAP-based sensor data transmission between a sensor data collector in a sensor node relay and one or more 6LoWPAN-unsupported sensor nodes. The method includes receiving a CoAP sensor data request message from the sensor data collector, transmitting a CoAP sensor data request message to a corresponding 6LoWPAN-unsupported sensor node by analyzing the received CoAP sensor data request message, and responding to the sensor data collector by creating a CoAP sensor data response message including sensor data received from one or more of the 6LoWPAN-unsupported sensor nodes.

Abstract: Provided are a network device, a controller for controlling at least one network device constituting a software-defined network (SDN), and a network control system. The network control system includes at least one event processing network connected to a central server. The central server is configured to give each of the event processing network an event condition and an instruction describing an operation according to the event condition, and each of the event processing network is configured to analyze sensor data of the event processing network itself or a message received from a surrounding event processing network on the basis of the instruction given by the central server, and perform the operation according to the event condition when the event condition is satisfied.

Abstract: The present invention relates to a method for making 3D stereo digital broadcast service compatible in an MPEG-2-TS format which is used for transmitting and receiving digital TV. To this end, suggested is a method for transmitting detailed information which supports both TS-level multiplexing and ES-level multiplexing when left and right compressed bitstreams are multiplexed, when service compatibility is enabled.

Abstract: A control device is provided which controls wireless communication linkage between communication devices. The control device includes a communication unit configured to perform wireless communication with first and second communication devices; a user interface unit configured to generate a communication unit active signal according to a control of a user; and a control unit configured to activate the communication unit in response to the communication unit active signal. The communication unit receives communication linkage information for communication linkage between the first and second communication devices from the first communication device and sends the communication linkage information to the second communication device.

Abstract: A protocol conversion apparatus includes: a message filter unit for acquiring a unique type identifier by comparing an input message based on a first protocol to a message mask stored in a mask storage unit, and acquiring a message parameter by filtering the input message through the message mask; and a message generation unit for extracting a message template corresponding to the unique type identifier from a template storage unit, and generating an output message based on a second protocol by synthesizing the message parameter and the message template.

Abstract: An apparatus for processing an unstructured data event in real time is provided. The apparatus includes a feature extraction unit configured to extract predetermined feature data of unstructured data output from a plurality of unstructured data sensors, a metadata forming unit configured to form the feature data of the unstructured data collected by the feature extraction unit as metadata including all attributes of the structured data and the unstructured data, a metadata parser unit configured to parse the metadata formed by the metadata forming unit, and an event processing unit configured to process event generation defined by a result of parsing in the metadata parser unit.

Abstract: Disclosed is a broadcast advertisement service system based on media ID matching, including: a broadcast-contents receiving terminal for receiving broadcast contents from a broadcasting system for a TV broadcaster and displaying the broadcast contents; a server for an AR advertisement broadcaster for receiving the broadcast contents from the broadcasting system for the TV broadcaster, generating a first media ID lookup table from the broadcast contents, and searching for AR advertisement data linked with on-air broadcast contents by referring to the first media ID lookup table; and a user terminal for acquiring the on-air broadcast contents in real time from the broadcast-contents receiving terminal, generating a second media ID lookup table from the acquired on-air broadcast contents, receiving the AR advertisement data linked with the on-air broadcast contents from the server for the AR advertisement broadcaster, and mixing and displaying the acquired on-air broadcast contents and the received AR advertisem

Abstract: Two-way broadcast service providing system and method including a media transmission apparatus are provided. The media transmission apparatus includes a data communication interface that receives participant media from at least one participant terminal via a communication network, a media conversion unit that converts the participant media received through the data communication interface in accordance with a broadcast media standard, and a broadcast interface that transmits the participant media converted through the media conversion unit to a broadcast apparatus so that the participant media is included in broadcast contents.

Abstract: In a sensor network, a sensor data processing apparatus generates a feature vector identifier table by classifying feature vector identifiers of a plurality of situation information determination reference data to be a reference of situation determination according to a sensor type index and a feature vector identifier set index of the plurality of situation information reference data. When the sensor data processing apparatus receives sensor data, the sensor data processing apparatus generates a feature vector identifier of the sensor data and extracts a sensor type index and a feature vector identifier set index of a feature vector identifier most similar to the feature vector identifier of sensor data with reference to a feature vector identifier table, and generates situation recognition information using the extracted sensor type index and feature vector identifier set index.