Abstract: A scratch testing apparatus for performing a scratching test while gradually increasing or decreasing a load, in which a pressure applied to the surface of a test specimen gradually increases or decreases as a head unit, to which a tip is attached, moves horizontally. The scratching testing apparatus includes a head unit having a bottom to which a tip attached; a guiding unit for guiding the head unit to move horizontally; and a pressure changing unit for changing pressure applied to the tip while the head unit is moving along the guiding unit. Therefore, the scratch testing apparatus may perform a scratching test as gradually increasing or gradually decreasing a load applied to the test specimen by the tip by moving the head unit, to which the tip is attached, horizontally.

Abstract: Disclosed herein are a method of controlling Hierarchical Mobile IPv6 (HMIPv6) network-based handover and an Access Router (AR) and Mobile Node (MN) therefor. The method include the steps of a first AR, to which a MN is connected, receiving an L3 handover initiation message, including a Media Access Control (MAC) address of the MN and the ID of a target Base Station (BS); the first AR creating a Local Care-of Address (LCoA) based on the MAC address of the MN and the ID of the target BS, and performing Binding Update (BU) on a Mobility Anchor Point (MAP) using the created LCoA; when an L2 handover completion message is received from the target BS of the MN, a second AR creating a second LCoA and transmitting the second LCoA to the MN; and the MN receiving the second LCoA from the second AR and configuring the received second LCoA as its own LCoA.

Abstract: A method and apparatus for allocating channel bandwidths in a wireless IPTV system is provided. The method includes measuring, if an additional service offering request is received in a saturation channel state, remaining execution times until a service of each terminal that is currently receiving a service is terminated, and setting a minimum of the measured remaining execution times to a unit time; calculating a securable channel bandwidth per the unit time with respect to each terminal that is currently receiving a service; and allocating, if the summation of the securable channel bandwidths per the unit time is equal to or greater than a channel bandwidth required to provide the additional service, the requested channel bandwidth in order to provide the additional service.

Abstract: Disclosed herein is a real-time face detection apparatus. The real-time face detection apparatus includes a down-scaling unit and a face region comparison unit. The down-scaling unit down-scales an input image at at least one ratio. The face region comparison unit creates a plurality of windows for the image down-scaled at the at least one ratio, acquires face region confidence of each of window images within the created windows by comparing the window image with a classifier, and determines whether the window image corresponds to a face region.

Abstract: Disclosed is a method of searing an address in the octree structure having the same resolution. The method of searching address values of the neighboring cells in the octree structure having the same resolution can include performing address encoding of octree cells by giving an inherent address value that is increased according to a depth level of octree to each cell in the octree structure such that address difference values of neighboring cells in the octree structure has a sequential rule; and searching an address value of a neighboring cell that is in contact by a surface with the selected octree cell by using the sequential rule of the address-encoded address difference value of each octree cell. In accordance with an embodiment of the present invention, it is possible to efficiently search address values of neighboring cells that are in contact with an octree cell.

Abstract: An apparatus and method for manufacturing a highly efficient flexible thin metal film-laminated strip by improves adhesiveness between a polyimide strip and a thin metal film, and removes stress from thin films laminated through magnetron sputtering, which is a dry deposition process. The stress-free flexible circuit board manufacturing method includes the steps of: a) depositing a seed layer on the substrate using the magnetron deposition source; b) depositing a compressive thin film using the single magnetron deposition source arranged next to the magnetron deposition source; c) depositing tensile thin film using the dual magnetron deposition source arranged next to the single magnetron deposition source; and d) repeating the steps b) and c) so as to sequentially and alternately deposit compressive thin films and tensile thin films thereby obtaining a thick film with a desired thickness.

Abstract: A Radio Frequency for Consumer Electronics (RF4CE)-based terminal and a system therefor are disclosed. The system includes a plurality of terminals each having an RF4CE communication module, and at least one gateway for storing unique Identifier (ID) information and other ID information about a plurality of terminals within a predetermined area in a table and periodically transmitting the table externally.

Abstract: The invention relates to a device and method for detecting changes in background of successive images. More particularly, the invention relates to a device and method for detecting changes in background of successive images by obtaining vertically accumulated values and horizontally accumulated values from multiple binary images of previous image and current image, obtaining pairs of rows and pairs of columns based on the vertically accumulated values and horizontally accumulated values, and transforming pairs of rows and pairs of columns using Hough transformation. Also, the invention relates to an interface system including background changes detecting device and display device connected to the background changes detecting device.

Abstract: A method of automatically grading beef quality by analyzing a digital image is provided. The method includes: an image acquiring step of acquiring a color image of beef using a CCD camera; a region separating step of separating a lean region from the acquired image; a boundary extracting step of extracting a boundary line of the lean region; a boundary smoothing step of smoothing the boundary line extracted in the boundary extracting step; a boundary correcting step of correcting an indented portion and a protruded portion included in the boundary line having been subjected to the boundary smoothing step; a grading region determining step of determining a grading region on the basis of the boundary line corrected in the boundary correcting step; and a grading step of grading the beef quality on the basis of the image of the grading region.

Abstract: A correlation apparatus and method for frequency synchronization are provided. A frequency synchronization method of a receiver in a broadband wireless access communication system includes acquiring a highest correlation value by conducting a differential correlation of a variable interval between a received signal and a reference signal and performing a frequency synchronization according to the highest correlation value.

Abstract: A method and an apparatus for configuring transmit power of a relay node in consideration of a backhaul link channel state are provided. The method includes receiving a backhaul downlink signal, measuring a channel state of the backhaul downlink signal, and configuring access downlink transmit power using the measured channel state. The relay node transmit power control method of the present invention is advantageous in that a User Equipment (UE) can perform cell selection in consideration of the backhaul link channel state without extra signaling of the backhaul link channel state.

Abstract: A compensation film for a liquid crystal film includes a first layer including splayed rod-shaped nematic liquid crystal material and a second layer disposed on a surface of the first layer and including at least one of a biaxial layer and an A-plate.

Abstract: Disclosed are a chain code generating apparatus and a method thereof. In accordance with an embodiment of the present invention, the chain code generating apparatus can include an image input unit, receiving an image signal from a camera and converting the received image signal to a digital image signal, and separating a synchronizing signal from the digital image signal and outputting the synchronizing signal; an image storing unit, storing image data corresponding to an active image section of the digital image signal in units of frame based on the synchronizing signal; and a code generating unit, reading the image data stored in the image storing unit and performing an outline search of the analysis portion, and generating a chain code according to a correlation between adjacent pixels forming an outline of the analysis portion in accordance with the searched result.

Abstract: A synchronization method in a Ultra Wideband (UWB) receiver includes receiving a signal through a multipath channel, and synchronizing with a first multipath component of the received signal by computing a correlation value between the received signal and a template signal of the receiver in a predetermined search range. Since multipath components received at the receiver after the first multipath component of the received signal have lower power than that of the first multipath component, the synchronization with the first multipath component of the received signal may improve the performance in processes after the synchronization process.

Abstract: Disclosed are a system and a method extensible for performing, in real-time, stereo snatching for calculating depth images with a result of searching for points of similarity by using images taken with two cameras. The system includes a coordinate creating module, a census transform module, a delay XOR calculation module, a stereo matching module, and a control module. Accordingly, by using the system extensible for performing stereo matching, depth information of corrected images can be acquired in real-time without using computer systems or software programs for special purposes. Furthermore, since the system extensible for performing stereo matching can be simply realized by hardware, the system and the method of the present invention can be easily applied to actual intellectual-type robots, industrial settings, etc.

Abstract: An abnormal Internet Protocol Security (IPSec) packet control system and method utilizes IPSec configuration and session data to detect whether or not packets encrypted by an extended header are abnormal. The IPSec packet control system can include an extended header processing unit that receives an IPSec packet and extracts the data to be used in traffic control; check units for checking the packets in the stages of IPSec configuration and IPSec communication that receive the extracted data to determine whether or not the IPSec packet has passed; and a control unit that allows the IPSec to pass or to be blocked according to a determination result from the check units for checking the IPSec configuration and communication packets, where abnormal IPSec packets are blocked using the IPSec configuration and session tables without requiring them to be decrypted and encrypted.

Abstract: A method of selectively positioning nanostructures on a substrate is provided which includes: a first step of forming a photoresist pattern on the substrate and then control the line width of the photoresist pattern in a nano unit to form a nanometer photoresist layer; a second step of forming a protective layer for preventing adsorption of a nano-material in a patter-unformed area on the substrate on which the nanometer photoresist layer has been formed; a third step of removing the photoresist layer formed on the substrate; a fourth step of forming a positively-charged or negatively charged adsorbent layer in the area from which the photoresist layer has been removed; and a fifth step of applying a nano-material-containing solution charged in the opposite polarity of the adsorbent layer to the substrate on which the adsorbent layer has been formed.

Abstract: An integer frequency offset estimation scheme in an orthogonal frequency division multiplexing (OFDM)-based system is disclosed.

Abstract: Disclosed is a pH-sensitive block copolymer obtained by copolymerization of: (a) a polyethylene glycol compound (A); and (b) at least one poly(amino acid) compound selected from the group consisting of a poly(?-amino ester) and poly(amido amine) or a copolymer thereof (B). A method for preparing the same block copolymer, and a polymer micelle type drug composition comprising the pH-sensitive block copolymer and a physiologically active substance that can be encapsulated with the block copolymer are also disclosed. The pH-sensitive block copolymer is obtained by polymerization of a hydrophilic polyethylene glycol compound with a pH-sensitive biodegradable poly(amino acid) compound. Therefore, the pH-sensitive block copolymer can form a micelle structure due to its amphiphilicity and ionization characteristics depending on pH variations, and thus can be used as drug carrier for target-directed drug delivery depending on pH variations in the body.

Abstract: The present invention relates to an apparatus and method for localizing a sound source in real time. The apparatus for localizing a sound source in real time includes a sound signal acquisition unit for acquiring sound signals through two or more channels. A sample delay storage unit stores a plurality of pieces of data, sampled from the sound signals acquired through respective channels, for a predetermined period of time. A correlation calculation unit calculates correlations between the channels from the plurality of pieces of sampled data stored in the sample delay storage unit. A sound source direction calculation unit calculates an azimuth angle of the sound source using both the correlations between the channels and location relationships of the sound signal acquisition unit. Accordingly, the present invention can localize a sound source in real time.