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    Method and system for providing realistic broadcasting image
    34.
    发明授权
    Method and system for providing realistic broadcasting image 有权
    提供逼真的广播影像的方法和系统

    公开(公告)号：US09264782B2

    公开(公告)日：2016-02-16

    申请号：US14164000

    申请日：2014-01-24

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Gwang Soon Lee ,  Eung Don Lee ,  Won Sik Cheong ,  Nam Ho Hur

    IPC: H04N7/01 ,  H04N21/63 ,  H04N21/81 ,  H04N21/2343 ,  H04N7/173 ,  H04N21/2385

    CPC classification number: H04N21/631 ,  H04N7/17309 ,  H04N21/234327 ,  H04N21/2385 ,  H04N21/816

    Abstract: A method of providing a realistic broadcasting image including an ultra high definition (UHD) image, the method including generating a first encoding stream from a high definition (HD) image, generating a second encoding stream from at least one of a UHD image and an image restored from the first encoding stream, generating a third encoding stream from at least one of the UHD image and an image restored from the second encoding stream, generating a first transmission stream by applying at least one of packetization, synchronization, and multiplying to the first encoding stream and the second encoding stream, generating a second transmission stream by applying at least one of packetization and synchronization to the third encoding stream, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel having a lower transmission capacity than the first transmission channel.

    Abstract translation: 一种提供包括超高分辨率（UHD）图像的实际广播图像的方法，所述方法包括从高分辨率（HD）图像生成第一编码流，从UHD图像和 从所述第一编码流恢复的图像，从所述UHD图像和从所述第二编码流恢复的图像中的至少一个生成第三编码流，通过应用打包，同步和乘法中的至少一个来生成第一传输流 第一编码流和第二编码流，通过将分组和同步中的至少一个应用于第三编码流来生成第二传输流，经由第一传输信道发送第一传输流，以及经由第二传输发送第二传输流 信道具有比第一传输信道更低的传输容量。

    Demultiplexing apparatus, multiplexing apparatus, and multi-channel transmission and reception method using the same
    35.
    发明授权
    Demultiplexing apparatus, multiplexing apparatus, and multi-channel transmission and reception method using the same 有权
    解复用装置，复用装置和使用其的多信道发送和接收方法

    公开(公告)号：US09232029B2

    公开(公告)日：2016-01-05

    申请号：US14085207

    申请日：2013-11-20

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Joon Young Jung ,  Dong Joon Choi ,  Nam Ho Hur

    IPC: H04L29/06 ,  H04L25/14 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/61 ,  H04N21/8547

    CPC classification number: H04L69/22 ,  H04L25/14 ,  H04L69/14 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/6118 ,  H04N21/8547

    Abstract: A demultiplexing apparatus, a multiplexing apparatus, and a multi-channel transmission and reception method using the same are provided. The demultiplexing apparatus includes a broadcasting data reception unit for separating a broadcasting data stream into N input packets, an output packet generation unit for generating (N+1) output packets by connecting a pre-header, including a field for multi-channel transmission, with each of the N input packets, and a packet distribution unit for distributing the (N+1) output packets over at least two channels. The multiplexing apparatus includes a packet restoration unit for detecting first field information for restoration and second field information for synchronization from each of pre-headers included in (N+1) output packets received through at least two channels and generating N restoration packets using the first field information and an output synchronization unit for performing output timing synchronization between the N restoration packets using the second field information.

    Abstract translation: 提供了解复用装置，多路复用装置和使用该解复用装置的多信道发送和接收方法。 解复用装置包括：广播数据接收单元，用于将广播数据流分离成N个输入分组;输出分组生成单元，用于通过连接包括用于多信道传输的字段的预标题来生成（N + 1）个输出分组; 与N个输入分组中的每一个分组，以及用于在至少两个信道上分发（N + 1）个输出分组的分组分发单元。 复用装置包括：分组恢复单元，用于从包括在通过至少两个信道接收的（N + 1）个输出分组中的每个预标题检测用于恢复的第一场信息和用于同步的第二场信息，并且使用第一 场信息和输出同步单元，用于使用第二场信息来执行N个恢复分组之间的输出定时同步。

    METHOD AND DEVICE FOR COMPENSATING FOR SYNCHRONIZATION BETWEEN LEFT AND RIGHT IMAGE FRAMES IN THREE-DIMENSIONAL IMAGING SYSTEM, AND REPRODUCTION DEVICE AND METHOD
    38.
    发明申请
    METHOD AND DEVICE FOR COMPENSATING FOR SYNCHRONIZATION BETWEEN LEFT AND RIGHT IMAGE FRAMES IN THREE-DIMENSIONAL IMAGING SYSTEM, AND REPRODUCTION DEVICE AND METHOD 审中-公开
    用于补偿三维成像系统中左右图像框架之间的同步的方法和装置，以及再现装置和方法

    公开(公告)号：US20150077515A1

    公开(公告)日：2015-03-19

    申请号：US14394988

    申请日：2013-04-17

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Gwang Soon Lee ,  Eung Don Lee ,  Chan Kim ,  Jin Hwan Lee ,  Hyun Lee ,  Won Sik Cheong ,  Nam Ho Hur

    IPC: H04N13/00

    CPC classification number: H04N13/167 ,  H04N13/194

    Abstract: An apparatus for compensating for synchronization between left and right image frames in a stereoscopic system includes a similarity calculating unit configured to calculate similarity between left and right image frames on the basis of a scene change point in time of the left and right image frames, a left and right image frame difference value extracting unit configured to search a stereoscopic pair on the basis of the similarity and extract a temporal frame difference value between the left and right image frames, and a left and right image frame synchronization compensating unit configured to perform synchronization by shifting any one of the the left and right image frames on a time axis on the basis of the left and right image frame difference value.

    Abstract translation: 用于补偿立体系统中的左右图像帧之间的同步的装置包括：相似度计算单元，被配置为基于左和右图像帧的时间的场景变化点来计算左和右图像帧之间的相似度， 左右图像帧差分值提取单元，被配置为基于相似度搜索立体对，并提取左右图像帧之间的时间帧差值;以及左右图像帧同步补偿单元，被配置为执行同步 通过基于左右图像帧差值在时间轴上移动左右图像帧中的任何一个。

    APPARATUS AND METHOD FOR RECEIVING 3D DIGITAL BROADCASTING, AND APPARATUS AND METHOD FOR CONVERTING IMAGE MODE
    39.
    发明申请
    APPARATUS AND METHOD FOR RECEIVING 3D DIGITAL BROADCASTING, AND APPARATUS AND METHOD FOR CONVERTING IMAGE MODE 审中-公开
    用于接收3D数字广播的装置和方法，以及用于转换图像模式的装置和方法

    公开(公告)号：US20140327739A1

    公开(公告)日：2014-11-06

    申请号：US14359093

    申请日：2012-11-02

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jin Hwan Lee ,  Gwang Soon Lee ,  Nam Ho Hur

    IPC: H04N13/00 ,  H04N21/4402 ,  H04N21/81 ,  H04N21/434

    CPC classification number: H04N13/139 ,  H04N13/194 ,  H04N21/4343 ,  H04N21/4348 ,  H04N21/4402 ,  H04N21/816

    Abstract: An apparatus and method of receiving 3D digital broadcasting capable of frame compatibility and service compatibility even in the existing display apparatus, regardless of whether a 3D service mode is a frame-compatible or service-compatible, are provided. The apparatus of receiving broadcast may include: a broadcast signal receiving and demodulating unit that receives and demodulates broadcast signals to extract transport streams; a demultiplexing unit that extracts broadcast program information including a broadcast service mode, a video format and an encoding type of elementary streams, and elementary streams from the demodulated transport streams; and a video processing unit that processes the video signals and outputs the video signals to the display device, based on the broadcast program information obtained by the demultiplexing unit and the display mode of the apparatus of receiving broadcast set by a user.

    Abstract translation: 提供即使在现有的显示装置中也能够接收具有帧兼容性和服务兼容性的3D数字广播的装置和方法，而不管3D服务模式是兼容帧还是服务兼容的。 接收广播的装置可以包括：广播信号接收和解调单元，其接收和解调广播信号以提取传输流; 解复用单元，从解调的传输流中提取包括广播服务模式，视频格式和编码类型的基本流的广播节目信息和基本流; 以及视频处理单元，其基于由解复用单元获得的广播节目信息和用户接收广播设备的显示模式，处理视频信号并将视频信号输出到显示设备。

    METHOD AND APPARATUS FOR COMPENSATING FOR VARIABLE SYMBOL TIMING USING CYCLIC PREFIX IN NON-SYNCHRONIZED OFDM SYSTEM
    40.
    发明申请
    METHOD AND APPARATUS FOR COMPENSATING FOR VARIABLE SYMBOL TIMING USING CYCLIC PREFIX IN NON-SYNCHRONIZED OFDM SYSTEM 有权
    在非同步OFDM系统中使用循环前缀来补偿可变符号时序的方法和装置

    公开(公告)号：US20140286468A1

    公开(公告)日：2014-09-25

    申请号：US14097440

    申请日：2013-12-05

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jae Ho LEE ,  Yang Su Kim ,  Sang Jung Ra ,  Han Seung Koo ,  Dong Joon Choi ,  Nam Ho Hur

    IPC: H04L7/00

    CPC classification number: H04L7/0079 ,  H04L27/2656 ,  H04L27/2663 ,  H04L27/2678

    Abstract: Disclosed are a method and apparatus for estimating symbol timing in a non-synchronized OFDM system. The present invention includes synchronizing a frame of a received signal, estimating the symbol timing of each symbol of the frame based on the synchronization, compensating for the symbol timing using a phase difference attributable to a Symbol Timing Offset (STO), variably changing within a Cyclic Prefix (CP) interval due to the frequency offset of a sampling clock and thermal noise, and performing channel equalization using a preamble based on output including corrected phase rotation.

    Abstract translation: 公开了一种在非同步OFDM系统中估计符号定时的方法和装置。 本发明包括使接收信号的帧同步，基于同步来估计帧的每个符号的符号定时，使用归因于符号定时偏移（STO）的相位差来补偿符号定时，该相位差可在一个 由于采样时钟和热噪声的频率偏移导致的循环前缀（CP）间隔，并且使用基于包括校正相位旋转的输出的前导码来执行信道均衡。

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