| Patent application number | Description | Published |
|---|
| 20080258968 | Salvage System for Life Jacket - The present invention relates to a salvage system for a life jacket capable of enabling quick rescue of a victim by quickly finding a victim wearing the life jacket using an artificial satellite and displaying an electronic map provided with the position of the victim and the image of the victim on a screen in real time, when a marine accident or an aircraft accident occurs, and more specifically, to the life jacket, with a marine position tracking terminal attached thereto, which transmits and receives radio signals to and from a GPS satellite and a relay satellite to track the position of the victim, and allowing greater buoyancy to be generated in the head and the chest regions on the surface of the water, when wearing it. A salvage system for a life jacket according to the present invention comprises: a life jacket; a marine position tracking terminal, attached to the life jacket, which transmits a rescue signal and an inherent ID stored in a microcomputer to a plurality of GPS satellites via a rescue signal transmitter; a relay satellite receiving the signal from the marine position tracking terminal and the GPS satellites to calculate a coordinate position of a victim wearing the life jacket and provide it to an integrated geographic information system (GIS), and monitor the image of the victim using the calculated coordinate position; and a central control center receiving information on an electronic map provided with the coordinate position of the victim and the monitored image of the victim from the relay satellite and displaying them on a status screen in real time, thereby enabling follow-up measures for early rescue of the victim. | 10-23-2008 |
| 20090232215 | Method and an Apparatus for Encoding or Decoding a Video Signal - A method of processing a video signal is disclosed. The present invention includes determining an intra prediction mode of a current block using a template region adjacent to the current block and obtaining a prediction value of the current block using the intra prediction mode of the current block. Accordingly, the present invention raises efficiency of video signal processing by enabling a decoder to derive information on a prediction mode of a current block in a decoder instead of transferring the information to the decoder. | 09-17-2009 |
| 20100061454 | METHOD OF PROCESSING A VIDEO SIGNAL - A method of processing a video signal is disclosed. The present invention includes obtaining a DC (discrete cosine) transform coefficient for a current macroblock and partition information of a DC (direct current) component block from a bitstream, obtaining transform size information of each partition of the DC component block based on the partition information of the DC component block, performing an inverse DC transform or a Hadamard transform based on the transform size information of the partition of the DC component block, performing inverse quantization on a result value from the transform and an AC (alternating current) component, and reconstructing a residual block by performing an inverse DC transform on a result value from the inverse quantization, wherein the residual block includes a block indicating a pixel value difference between an original picture and a predicted picture. | 03-11-2010 |
| 20100086034 | METHOD AND AN APPARATUS FOR PROCESSING A VIDEO SIGNAL - The present invention relates to a video signal decoding method for adding an intra prediction mode as a sub-macroblock type to prediction of a macroblock in coding a video signal. The present invention includes obtaining a macroblock type, obtaining a sub-macroblock type when a macroblock includes a plurality of coded sub-macroblocks according the macroblock type, obtaining flag information indicating a DC (discrete cosine) transform size, determining the DC transform size of the coded sub-macroblock based on the flag information, when the sub-macroblock is intra prediction coded based on the sub-macroblock type, determining a prediction size of the intra prediction coded sub-macroblock based on the determined DC transform size, obtaining prediction direction information from a block adjacent to the sub-macroblock based on the prediction size of the sub-macroblock, and obtaining a prediction value of the sub-macroblock based on the prediction direction information. Accordingly, the present invention is able to raise coding efficiency of video signal by adding an intra prediction mode as a sub-macroblock type in predicting a macroblock. | 04-08-2010 |
| 20100086035 | METHOD AND AN APPARATUS FOR PROCESSING A VIDEO SIGNAL - The present invention relates to a video signal decoding method for adding an intra prediction mode as a sub-macroblock type to prediction of a macroblock in coding a video signal. The present invention includes obtaining a macroblock type, checking whether a macroblock includes a intra prediction coded sub-macroblock and a inter prediction coded sub-macroblock when a macroblock includes a plurality of coded sub-macroblocks according the macroblock type, when the macroblock includes the ultra prediction coded sub-macroblock and the inter prediction coded sub-macroblock, obtaining prediction mode flag information indicating whether the sub-macroblock is the intra prediction coded or the inter prediction coded, when the sub-macroblock is the intra prediction coded based on the prediction mode flag information, obtaining prediction direction information from a block adjacent to the sub-macroblock and a prediction value of the sub-macroblock based on the prediction direction information, and when the sub-macroblock is inter prediction coded based on the prediction mode flag information, obtaining motion information from the block adjacent to the sub-macroblock and a prediction value of the sub-macroblock based on the motion information. Accordingly, the present invention is able to raise coding efficiency of video signal by adding an intra prediction mode as a sub-macroblock in predicting a macroblock. | 04-08-2010 |
| 20100086051 | METHOD AND AN APPARATUS FOR PROCESSING A VIDEO SIGNAL - A method of processing a video signal is disclosed. The present invention includes determining whether a partition of a current macroblock according to a current macroblock type is coded in a skip mode, deriving a motion vector of the partition if the partition of the current macroblock is coded in the skip mode, and predicting a pixel value of the partition based on the derived motion vector. Accordingly, the present invention obtains a pixel value of a reference block close to an original video using a motion vector by deriving the motion vector by a block unit smaller than a size of the macroblock, thereby enhancing a reconstruction ratio of the macroblock. | 04-08-2010 |
| 20100086052 | METHOD AND AN APPARATUS FOR PROCESSING A VIDEO SIGNAL - A method of processing a video signal is disclosed. The present invention includes obtaining a current macroblock type, obtaining skip or direct mode indication information on a partition of the current macroblock according to the current macroblock type, deriving a motion vector of the partition according to the skip or direct mode indication information, and predicting a pixel value of the partition using the motion vector. Accordingly, the present invention obtains a pixel value of a reference block close to an original video using a motion vector, thereby enhancing a reconstruction ratio of the macroblock. As a macroblock uses skip or direct prediction indication information, it is unnecessary to separately code skip mode indication information and direct mode indication information on the macroblock, whereby an information size to be coded can be reduced. | 04-08-2010 |
| 20100149027 | Multi-Functional System for Extending and Modulating 130dBm Frequency of GPS Terminal for Life Jacket - Disclosed is a complex multifunction system of a frequency band (130 dBm) frequency extension modulation of a GPS terminal in a life jacket which is used when there is an accident at sea, at a ship or at an airplane. The system comprises a body including a front plate which transmits and receives a frequency transferred from the GPS terminal in a life jacket in a process of introducing and sharing a coupling scheme with interspace-VLBI in frequency band 130 dBm, and a rear plate which is in contact with a tag of an HDX frequency extension modulation; a head unit for attaching a iris on a head of the body and supporting a frequency propagation amplification transmission of a microstrip fetch antenna; and a location based service (LBS) attached to a middle portion of the front plate of the body or a head unit, having a function of transmitting an emergency rescue signal and converting the signal into a multi-language voice information service. | 06-17-2010 |
| 20100290527 | METHOD AND APPARATUS OF PROCESSING A VIDEO SIGNAL - The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed, specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block. | 11-18-2010 |
| 20110090969 | METHOD AND APPARATUS FOR DECODING VIDEO SIGNAL - A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block. | 04-21-2011 |
