Abstract: A progressive video streaming apparatus and method based on a visual perception are provided, and the progressive video streaming apparatus may include a gaze detector to detect gaze information including at least one of a location of a focus and a viewing angle of a user, a video playback quality determiner to determine video playback quality layers, based on the detected gaze information, a progressive streaming receiver to request video data and receive the video data, using a visual perception priority based on the detected gaze information, and a visual perception-based player to play back the received video data, by controlling an interactive delay to be reduced below a selected criterion, while reducing a visually recognized quality change in the received video data below another selected criterion.

Abstract: A surveillance video transmission apparatus, includes a video input unit configured to collect physical videos and make the collected physical videos informative; a video analysis unit configured to analyze content of the collected video by recognizing the collected video and detecting an event; and an encryption selection unit configured to select one of a non-encryption mode, a regions-of-interest encryption mode and a full video encryption mode based on the analysis result of the collected video. Further, the surveillance video transmission apparatus includes a video process unit configured to perform one of a non-encryption, a regions-of-interest encryption and a full video encryption and encoding on the collected video according to the selected encryption mode; and a video transmission unit configured to transmit the encoded video and encryption-related information to a surveillance video receiving apparatus.

Abstract: A frequency comparator outputs an input reference signal and a comparison target signal as pulse-form signals, and is charged or discharged with a voltage corresponding to the reference signal to output a reference voltage having a variable first frequency range, and charged or discharged with a voltage corresponding to the comparison target signal to output a comparison target voltage having a variable second frequency range. The frequency comparator compares the reference voltage having the first frequency range and the comparison output voltage having the second frequency range.

Abstract: Disclosed is an optical constant measuring method which includes applying light to a sample including a target material; measuring a first optical signal from light reflected from the sample; grasping a structure of the sample based on the first optical signal; measuring a second optical signal from light penetrating the sample; grasping an overall optical property of the sample based on the second optical signal; and measuring an optical constant of the target material based on the measured structure and optical property of the sample.

Abstract: A method for encoding that adaptive intra prediction based on a mode of variable size partition is applied in a macro block, includes calculating average values of the macro blocks to set the representative values of the macro blocks; and generating minor macro blocks by partitioning the macro blocks based on partition of the exceeded portion and calculating average values of each of the minor macro blocks and then, setting representative values of each of the minor macro blocks using the calculated average values. Further, the method includes generating minor macro blocks by partitioning the macro blocks based on partition of horizontal and vertical directions, calculating average values of each of the minor macro blocks and then, setting representative values of each of the minor macro blocks using the calculated average values.

Abstract: Disclosed is a method for manufacturing a nano wire grid polarizer, including: applying a curable resin on a glass substrate, and then forming a nano pattern by pressurizing the curable resin with a nano imprint mold; processing a surface of the nano pattern in which an upper part of the nano pattern is hydrophobicized and an inside of the nano pattern is hydrophilicized; filling the inside of the nano pattern with nano metal particles; and forming a nano wire grid polarizer by removing the nano pattern.

Abstract: Provided are a method and apparatus for transceiving an asymmetric point-to-point moving signal and securing an uplink channel using a horizontal blanking interval (HBI) in which a video signal transceiving apparatus can combine a plurality of HBIs and a plurality of active lines (ALs) into a single section, and when auxiliary data exists in a corresponding HBI, can change an order of the HBI to the last and transmit map information including arrangement information to a video signal display apparatus, and the video signal display apparatus can receive the map information and analyze the received map information to thereby acquire an uplink channel using HBI excluding auxiliary data and transmit control signal data via the acquired uplink channel.

Abstract: Disclosed are a dye sensitized solar cell and a sealing method thereof. The dye sensitized solar cell includes: an upper electrode glass substrate and a lower electrode glass substrate having a hole formed in at least one thereof; a first sealing material forming a cell internal space by maintaining an interval between the upper electrode glass substrate and the lower electrode glass substrate; an electrolytic solution filled in the cell internal space between the upper electrode glass substrate and the lower electrode glass substrate; and a plug inserted and pressed into the hole to seal the hole.

Abstract: The present invention relates to a method and apparatus for supporting location registration and mobility for each service flow in relation to a Mobile Node (MN) having a plurality of wired/wireless network interfaces in a wired/wireless integrated network environment. A method includes receiving a location registration message from a specific Handover Control Agent (HCA) connected to an MN, determining a movement of a flow, configured in another HCA to which the MN is connected, based on predetermined static flow binding information or a network status, sending a location registration Ack. message, comprising information on a HCA in which the flow is configured and to which a Corresponding Node (CN) is connected, to the specific HCA, and sending a location notification message, comprising information on the specific HCA to which the flow will be moved and to which the CN is connected, to the HCA.

Abstract: The present invention relates to an apparatus and method for simultaneous channel estimation in a digital broadcast system based on a single frequency network The present specification encloses a receiver simultaneously acquiring channel responses for each subchannels including a certain number of pilot subcarriers in the frequency and time domain direction from frames transmitted with at least one signal In the present invention, a receiving apparatus in the single frequency broadcast network may simultaneously estimate the channels of adjacent transmitters, and receiving CNR is enhanced by detecting MIMO signal by the estimated channel.

Abstract: A channel sounding method in a wireless local area network (WLAN) system and an apparatus supporting the same are provided. A method of performing a sounding operation by an access point (AP) in a wireless local area network (WLAN) includes: generating a beamforming report (BR) poll frame including a sounding sequence; transmitting the BR poll frame to a station (STA); and selectively performing transmission beamforming on the station according to whether or not the BR frame is received from the station before a predetermined timeout. Transmission of an erroneous BR frame in case that a beam receiver fails to receive an null data packet announcement (NDPA) and an null data packet (NDP) is eliminated and a degradation of transmission efficiency is prevented.

Abstract: Disclosed are a system for recommending a favorite channel/program based on a television (TV) watching pattern and a method thereof. The present invention provides a system and a method for recommending a favorite channel/program by learning a television (TV) watching pattern using a Bayesian network, by extracting recommended candidate favorite channel/programs by applying an entropy theory to the learned Bayesian network, and by applying a fuzzy logic operation to the extracted candidate favorite channel/programs.

Abstract: Disclosed is a technology for storing snapshot images capable of maximizing the reading performance of an SD/MMC card at the time of recovering the snapshot images and minimizing the booting time of a system. A method for storing snapshot images includes: preparing the snapshot images, attempting to allocate continuous reference blocks, in which a number of blocks corresponding to the predetermined number of reference blocks is continuous in a non-volatile memory unit, storing the snapshot images in the allocated continuous reference blocks when the allocation of the continuous reference blocks succeeds, and preparing the snapshot image storage information as a swap table and storing the prepared swap table in the non-volatile memory unit.

Abstract: A method and an apparatus for providing a cloud-based user menu are provided. The method and the apparatus for providing a cloud-based user menu according to an exemplary embodiment of the present invention is separately structured such that a cloud server connected to a broadcast receiving terminal configures the user menu and the broadcast receiving terminal merely renders the user menu when digital broadcasting is provided.

Abstract: A system and method for analyzing an online game packet are disclosed. The system for analyzing the online game packet includes a capturing unit that captures a packet transmitted between a client terminal and a game server, and an analysis unit that analyzes the packet captured by the capturing unit, and defines, according to an analyzed result, a data field included in the packet as a static field having the same field structure or a dynamic field having a field structure according to a reference field defining an arrangement rule of a field or a field structure according to a user's request. According to the present invention, the data field of the captured packet may be defined for each type according to structural characteristics, thereby automatically analyzing the packet.

Abstract: An apparatus manages robot components in a robot. The apparatus includes a component monitoring unit to monitor a state of the robot components and a breakdown decision unit to judge whether or not any robot components are broken down based on the monitoring results and generate breakdown information corresponding to the breakdown decision results. The apparatus further includes a recovery policy management unit to choose a recovery policy model necessary to recover the breakdown using the breakdown information and a breakdown recovery unit configured to recover the broken robot component based on the chosen recovery policy model.

Abstract: A method of manufacturing a transparent film for reducing electromagnetic waves includes forming a first dielectric layer and forming a pattern layer on the first dielectric layer. The pattern layer is made of a transparent electrode material having surface resistance.

Abstract: An apparatus and method detects an object in an original image captured by an image capturing device. The apparatus and method detects a location of the object using a thermal image for the captured image, designates a region of the detected object as an image inpainting region, restores a region corresponding to the region of the detected object using its surrounding information, examines a difference between the restored image and the original image, and separates an object region from the original image, thereby more accurately detecting the object.

Abstract: A data transmitting apparatus generates a plurality of modulation data symbols by performing symbol mapping of input data, converts and angle-modulates the plurality of modulation data symbols from a frequency domain to a real number signal of a time domain, and circular-shifts and transmits the angle-modulated signal from a signal of a frequency domain.

Abstract: A technology enabling a base station to transmit acknowledgement (ACK)/negative ACK (NACK) information about data received from a terminal is provided. A cyclic shift value difference of each terminal may be maximized and a radio resource for transmitting the ACK/NACK information may be assigned without collision.