Abstract: A water ring encoding apparatus configured to process an initial data set, such as a video image frame, is disclosed. The water ring encoding apparatus includes a a scanner and an encoder. The initial data set is organized with at least one initial origin enveloped by a plurality of nested initial environs successively surrounding each other in the initial data set. The scanner is configured to write a portion of the data from the initial data set into a scanned data string by starting at the RC grouping corresponding to the initial origin (initial water ring (0)) and by sequentially progressing outwardly from the family of RC groupings corresponding to the nearest nested initial environ (initial water ring (1)) towards the family of RC groupings corresponding to a furthest nested initial environ (initial water ring (n)). The encoder is configured to encode the scanned data string into an encoded data string.

Abstract: Provided are an optical receiver and a method of forming the same. The optical receiver includes a lens, a photo detector, and a hetero-junction bipolar transistor. The lens is attached to a backside of a substrate. The photo detector is disposed on a top surface of the substrate. The hetero-junction bipolar transistor is disposed on the top surface of the substrate. The lens condenses an incident optical signal to transmit the condensed optical signal to the photo detector.

Abstract: A water ring decoding method of processing a data string into a restored data set, such as a video image frame, is disclosed. The restored data set is organized with at least one restored origin enveloped by a plurality of nested restored environs successively surrounding each other in the restored data set. The water ring decoding method includes the steps of decoding by writing the data string into the restored data set by starting at the RC group corresponding to the restored origin (restored water ring (0)) and by sequentially progressing outwardly from the family of RC groups corresponding to the nearest nested restored environ (restored water ring (1)) towards the family of RC groups corresponding to a furthest nested restored environ (restored water ring (n)).

Abstract: The present invention provides an image separation apparatus and method. The image separation apparatus includes an image reception unit for receiving an input image. A background model generation unit generates a background model corresponding to the input image. A foreground/background separation unit performs a task of determining using the background model whether reference pixels among all pixels of the input image belong to a foreground or a background, and performs a task of estimating, based on results of the foreground/background determination task, whether remaining pixels other than the reference pixels belong to the foreground or the background.

Abstract: A user interest pattern modeling server includes a history collection unit, a keyword extraction unit, a time pattern extraction unit, a keyword extension unit, a time pattern analysis unit and a pattern modeling unit. The history collection unit collects a user's use history of a content. The keyword extraction unit extracts a keyword from the use history of the content. The time pattern extraction unit extracts a first time pattern of the keyword. The keyword extension unit extracts an extended keyword through searching related words of the keyword. The time pattern analysis unit analyzes a second time pattern of the extended keyword based on the first time pattern. The pattern modeling unit models a user interest pattern for the keyword and the extended keyword based on the first and second time patterns.

Abstract: A navigation satellite signal repeater and a navigation satellite signal repeating method are provided. The navigation satellite signal repeater includes an outdoor navigation satellite receiver and a plurality of navigation satellite signal generators. The outdoor navigation satellite receiver is configured to receive a navigation satellite signal from a navigation satellite and extract satellite information from the received navigation satellite signal. The navigation satellite signal generators are disposed in a building and are configured to receive the extracted satellite information through a transmission line, generate new satellite information in consideration of a time delay of the transmission line, and transmit a new navigation satellite signal corresponding to the new satellite information. The navigation satellite signal repeater repeats a new navigation satellite signal by reflecting a time delay of satellite information, thus enabling accurate location detection even in a poor environment (e.g.

Abstract: An apparatus, electronic apparatus and method for adjusting jitter buffer is provided. A previous jitter buffer size based on a jitter buffer size determined according to an adaptive jitter buffer size calculation algorithm is applied in predicting a jitter buffer size of future time such that the predicted jitter buffer size is applied to obtain a jitter buffer size of a valid time. The audio quality of the speech transmitted over a packet switched network is enhanced.

Abstract: Provided are a cell searcher for handover of a mobile terminal and a neighbor cell searching method thereof. The neighbor cell searching method includes: after searching a home cell, determining whether a Primary Synchronization Signal (PSS) code of the home cell is identical to that of a neighbor cell; when the PPS code of the home cell is identical to that of the neighbor cell, cancelling a PSS symbol of the home cell from a received signal in a time domain; and searching a neighbor cell from the received signal cancelled the PSS symbol of the home cell.

Abstract: Provided is a transport packet generating apparatus that generates a transport packet having a variable length, and the length of the transport packet is indicated by a field included in a header of the transport packet or a synchronization area of the transport packet, the field indicating a length of the transport packet. Also provided is a transport packet depacketizing apparatus that depacketizes the transport packet having the variable length by decoding the field indicating the length of the transport packet or detecting a starting point of the transport packet based on a predetermined rule with respect to the synchronization area to decode the transport packet.

Abstract: In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data distributed to the respective antennas, and an inverse Fourier transform is performed; a short preamble and a first long preamble corresponding to the subcarrier are generated; a signal symbol is generated according to a data transmit mode; and a frame is generated by adding a second long preamble between the signal symbol and a data field for the purpose of estimating a channel of a subcarrier which is not used.

Abstract: Provided are a photonics chip and an optical apparatus including the same. The chip may include a substrate, an optical waveguide, an optical coupler, and a plurality of alignment units. The optical waveguide is formed on the substrate. The optical coupler is formed at the optical waveguide. The alignment units align an optical connector which fixes at least one optical fiber coupled to the optical coupler, on the substrate.

Abstract: The present invention relates to multimedia search method and apparatus, and a pattern recognition method. The multimedia search method according to an exemplary embodiment of the present invention includes: searching for data corresponding to search condition data input by a user in search target data; selecting training data for machine learning on the basis of the search result; performing machine learning by using the selected training data; and modifying the search result by using the result of the machine learning.

Abstract: A system for harmonized commodity description and coding system (HS) code recommendation includes an ontology editor for creating an HS code ontology based on HS codes of export and import items, and a feature vector processor for extracting feature vectors of a product of a company requesting for an HS code of the product by with reference to the description of the product in response to the request. An HS code recommendation unit extracts one or more HS codes appropriate for the product by comparing the extracted feature vectors with feature vectors of the product searched from a feature vector database. The extracted HS codes are provided to the company requesting for an HS code of the product.

Abstract: Disclosed herein are an apparatus and method for synchronizing a virtual machine. The apparatus includes a distributed image server and a virtual machine operation management unit. The distributed image server includes one or more servers distributed across a network, transfers a virtual machine image to a user using the servers, and synchronizes the virtual machine image. The virtual machine operation management unit provides a virtual machine management program so that the virtual machine image for the user can be executed on a terminal, used by the user, regardless of a location of the user.

Abstract: Disclosed is an apparatus for parallel processing flow based data that may generate a first flow and a second flow based on data classified into lower layer information and upper layer information, may determine whether processing of the lower layer information or the upper layer information is required by analyzing the first flow or the second flow, and may process and output the lower layer information or the upper layer information using a flow unit based on the determination result.

Abstract: Disclosed is a satellite performance monitoring system. The satellite performance monitoring system may include a satellite communication controlling apparatus that is installed outdoors to transmit a test signal for measuring a performance of a satellite transponder to the satellite transponder and thereby receive a test response signal from the satellite transponder, and to transmit a reference signal to the satellite transponder and thereby receive a reference response signal from the satellite transponder; and a satellite performance monitoring apparatus that is installed indoors to generate the test signal and the reference signal, to generate a frequency response characteristic with respect to the satellite transponder using the test response signal, to compute a signal change amount occurring due to a weather condition using the reference signal and the reference response signal, and to apply the computed signal change amount to the frequency response characteristic.

Abstract: A portable integrated security storage device includes: a password generation module for generating a password; a universal authentication module for storing universal authentication information; a communication interface connected to an external system for transmitting and receiving data with the external system; and a memory for storing the received data received through communication with the external system. The password and universal authentication information are transmitted to the external system for user authentication and device authentication, and encrypted data and a service secret key are received from the external system and stored in the memory.

Abstract: An image photographing device of an object tracking system includes: an image recognizing module for collecting image information within a field of view (FOV) region in real time, recognizing occurrence of an event from the collected image information to extract an object contributing to the occurrence of the event, and sensing whether the extracted object is out of the FOV region or not. The device further includes an object tracking module for extracting property of the object from the extracted object to generate metadata, storing the metadata in a database, and providing the metadata stored in the database to ambient image photographing devices based on the sensing result of the image recognizing module.

Abstract: A mobile terminal constituting a multi-screen service environment in a switched digital video (SDV)-based video transmission system structure serves like a remote controller of a reception terminal having a large screen such as a TV. A broadcast channel viewed in the mobile terminal can be shared with the large screen of the TV or the like, and a program can be directly viewed in the large screen of the TV or the like based on program guide information received by the mobile terminal.

Abstract: An apparatus and method for transmitting contents on a relay node disposed between a sending end and a receiving end is provided. If a content, which is identical to a content requested by a user terminal, is currently being transmitted or is in a waiting mode for content transmission, a relay node, for example, a router, disposed between a sending end and a receiving end duplicates the content and transmits the duplicated content to the user terminal, thereby reducing the work load of a service terminal and the network traffic load.