OPTIMAL ENCODER AND ENCODING METHOD FOR DUAL STREAM SYSTEM
    101.
    发明申请
    OPTIMAL ENCODER AND ENCODING METHOD FOR DUAL STREAM SYSTEM 失效
    双流系统的最佳编码器和编码方法

    公开(公告)号:US20090220020A1

    公开(公告)日:2009-09-03

    申请号:US11996085

    申请日:2006-07-19

    IPC分类号: H03M13/25 H04L5/12

    摘要: Provided are a method of estimating an encoder for dual stream transmission, and an encoder using the same. The method includes the steps of: a) setting up the number of memories required for an encoder, a free distance condition for robust data, and a free distance condition for mixed stream of robust data and normal data; b) obtaining ½ rate encoder combinations that sustain backward compatibility with a typical trellis encoder; c) obtaining encoder combinations H that satisfy the free distance condition for the robust data and the free distance condition for the mixed stream from the ½ rate encoder combinations; d) obtaining relations between memories and input/output signals, which satisfy the encoder combinations H; and e) configuring an encoder according to the obtained relation between the memories and the input/output signals.

    摘要翻译: 提供了一种用于估计用于双流传输的编码器的方法,以及使用该编码器的编码器。 该方法包括以下步骤:a)建立编码器所需的存储器数量,鲁棒数据的自由距离条件以及稳健数据和正常数据的混合流的自由距离条件; b)获得与典型网格编码器保持向后兼容性的1/2速率编码器组合; c)获得满足来自1/2速率编码器组合的混合流的鲁棒数据和自由距离条件的自由距离条件的编码器组合H; d)获得满足编码器组合H的存储器和输入/输出信号之间的关系; 以及e)根据获得的存储器与输入/输出信号之间的关系配置编码器。

    DIGITAL TELEVISION TRANSMISSION AND RECEIVING APPARATUS AND METHOD USING 1/4 RATE CODED ROBUST DATA
    102.
    发明申请
    DIGITAL TELEVISION TRANSMISSION AND RECEIVING APPARATUS AND METHOD USING 1/4 RATE CODED ROBUST DATA 有权
    数字电视传输和接收装置和使用1/4速率编码稳健数据的方法

    公开(公告)号:US20090201997A1

    公开(公告)日:2009-08-13

    申请号:US11575242

    申请日:2005-09-15

    IPC分类号: H04N7/12 H04N5/38 H04N7/173

    摘要: Provided is a Vestigial Side Band Digital Television (DTV) transmitter/receiver based on Advanced Television System Committee A/53. The invention provides DTV transmitter/receiver having a dual stream structure through generation of robust data which has a transmission rate a fourth as fast as that of normal data, and a method thereof. The DTV transmitter includes: input means for receiving digital video data stream including normal and robust data; encoding means for performing ¼ rate coding on the digital video data stream so that one bit can be transmitted through two symbols; and transmitting means for modulating/transmitting output signals of the encoding means. This invention can reduce SNR and satisfy TOV of robust data by performing additional FEC on robust data, transmitting/receiving ¼ rate coded robust data, which are capable of transmitting one-bit data for two symbols, and improving decoding ability of an equalizer and a trellis decoder of a DTV receiver.

    摘要翻译: 提供了基于先进电视系统委员会A / 53的残留边带数字电视(DTV)发射机/接收机。 本发明提供具有双流结构的DTV发射机/接收机及其方法,该DTV发射机/接收机通过生成具有与正常数据相同的速度的传输速率的鲁棒数据。 DTV发射机包括:用于接收包括正常和鲁棒数据的数字视频数据流的输入装置; 编码装置,用于对数字视频数据流执行¼速率编码,使得可以通过两个符号发送一个比特; 以及发送装置,用于调制/发送编码装置的输出信号。 本发明可以通过对鲁棒数据,发送/接收速率编码的鲁棒数据执行额外的FEC来降低SNR并满足鲁棒数据的TOV,该数据能够传送两个符号的一位数据,提高均衡器的解码能力和 网格解码器的DTV接收机。

    Apparatus and Method for Producting Multi-View Contents
    103.
    发明申请
    Apparatus and Method for Producting Multi-View Contents 审中-公开
    多视图内容制作装置及方法

    公开(公告)号:US20070296721A1

    公开(公告)日:2007-12-27

    申请号:US11718796

    申请日:2005-07-26

    IPC分类号: G06T15/10

    摘要: Provided are a contents generating apparatus that can support functions of moving object substitution, depth-based object insertion, background image substitution, and view offering upon a user request and provide realistic image by applying lighting information applied to a real image to computer graphics object when a real image is composited with computer graphics object, and a contents generating method thereof. The apparatus includes: a preprocessing block, a camera calibration block, a scene model generating block, an object extracting/tracing block, a real image/computer graphics object compositing block, an image generating block, and the user interface block. The present invention can provide diverse production methods such as testing for the optimal camera viewpoint and scenic structure before contents are actually authored and compositing two different scenes taken in different places into one scene based on a concept of a three-dimensional virtual studio in the respect of a contents producer.

    摘要翻译: 提供了一种内容生成装置,其能够在用户请求时支持移动对象替换,基于深度的对象插入,背景图像替换和查看提供的功能,并且通过将应用于真实图像的照明信息应用于计算机图形对象来提供逼真的图像, 一个真实的图像与计算机图形对象合成,并且其内容生成方法。 该装置包括:预处理块,相机校准块,场景模型生成块,对象提取/跟踪块,真实图像/计算机图形对象合成块,图像生成块和用户界面块。 本发明可以提供各种生产方法,例如在实际创作内容之前测试最佳相机视点和风景结构,并且基于三维虚拟演播室的概念在不同地方将两个不同的场景合成到一个场景中 的内容制作人。

    Apparatus and Method for Receiving Data Broadcasting Service to Support Connection with Mobile Networks
    104.
    发明申请
    Apparatus and Method for Receiving Data Broadcasting Service to Support Connection with Mobile Networks 审中-公开
    用于接收数据广播服务以支持与移动网络的连接的装置和方法

    公开(公告)号:US20070226770A1

    公开(公告)日:2007-09-27

    申请号:US10577816

    申请日:2004-11-03

    IPC分类号: H04N7/173

    摘要: Provided are a data broadcast receiving apparatus that can be easily connected with mobile communication terminals of diverse access specifications by easily upgrading middleware or plug-in software in digital broadcast mobile and fixed receiving environments, and a method thereof. The data broadcast receiving apparatus includes a demultiplexer for separating signals transmitted from the outside into signals of a kind; a controller for controlling elements of the data broadcast receiving apparatus, receiving and outputting contents separated in the demultiplexer; a download processor for receiving downloadable data divided in the demultiplexer, determining the kind of the downloadable data, and performing upgrade by downloading the downloadable data; and a mobile terminal accessing unit for accessing to a mobile communication network based on the downloadable data.

    摘要翻译: 提供一种数据广播接收装置及其方法,其可以容易地在数字广播移动和固定接收环境中升级中间件或插件软件,容易地与具有不同接入规格的移动通信终端连接。 数据广播接收装置包括用于将从外部发送的信号分离成一种信号的解复用器; 用于控制数据广播接收装置的元件的控制器,接收和输出在多路分解器中分离的内容; 下载处理器,用于接收在多路分解器中划分的可下载数据,确定可下载数据的种类,并通过下载可下载数据进行升级; 以及基于所述可下载数据访问移动通信网络的移动终端接入单元。

    Multi-view video coding/decoding method and apparatus
    105.
    发明授权
    Multi-view video coding/decoding method and apparatus 有权
    多视点视频编码/解码方法及装置

    公开(公告)号:US09143796B2

    公开(公告)日:2015-09-22

    申请号:US13133576

    申请日:2009-12-08

    摘要: Provided is a multi-view video coding/decoding method and apparatus which uses coded and decoded multi-view videos to code and decode depth information videos corresponding to the multi-view videos. The multi-view video coding method includes: controlling the scales of first and second depth information videos corresponding to a multi-view video such that the scales are equalized; and coding the second depth information video, of which the scale is controlled, by referring to the first depth information video of which the scale is controlled.

    摘要翻译: 提供了一种多视点视频编码/解码方法和装置,其使用编码和解码的多视图视频对与多视点视频对应的深度信息视频进行编码和解码。 多视点视频编码方法包括:控制对应于多视点视频的第一和第二深度信息视频的比例,使得比例相等; 并且通过参考控制刻度的第一深度信息视频,对控制了比例的第二深度信息视频进行编码。

    Apparatus and method for analyzing identification signal based on partial correlation
    106.
    发明授权
    Apparatus and method for analyzing identification signal based on partial correlation 有权
    基于部分相关分析识别信号的装置和方法

    公开(公告)号:US08767890B2

    公开(公告)日:2014-07-01

    申请号:US12447736

    申请日:2007-10-12

    IPC分类号: H03D1/00 H04L27/06

    摘要: Provided is an apparatus and method for analyzing identification (ID) signals by converting radio frequency (RF) signals which are transmitted with an ID signal added thereto by a transmitting part, e.g., a plurality of transmitters or repeaters, into signals of a desired band; creating ID signals that are identical to the ID signals added to the RF signals; calculating correlation values between the converted signals and the created ID signals based on partial correlation; and extracting channel profile of multi-path signals caused by a channel between the transmitting part and the ID signal analyzing apparatus from the correlation value. The technology of the present research is applied to broadcasting and communication.

    摘要翻译: 提供了一种用于通过将由发射部分(例如多个发射器或中继器)附加的ID信号发射的射频(RF)信号转换成期望频带的信号来分析识别(ID)信号的装置和方法 ; 创建与添加到RF信号的ID信号相同的ID信号; 基于部分相关来计算转换后的信号与所创建的ID信号之间的相关值; 以及从所述相关值提取由所述发送部分和所述ID信号分析装置之间的信道引起的多径信号的信道简档。 本研究的技术应用于广播和通信。

    Method and apparatus for transmitting/receiving broadcasting-communication data
    107.
    发明授权
    Method and apparatus for transmitting/receiving broadcasting-communication data 有权
    用于发送/接收广播通信数据的方法和装置

    公开(公告)号:US08654886B2

    公开(公告)日:2014-02-18

    申请号:US12994827

    申请日:2009-05-29

    IPC分类号: H01L27/04 H04B1/66

    摘要: An apparatus for transmitting and receiving broadcasting-communication data, the apparatus including an original signal generator configured to receive the original data and generate baseband original signals, a first modulator configured to receive the baseband additional signals and generate original signals of a predetermined band, an additional signal generator configured to receive the additional data and generate baseband additional signals, a second modulator configured to receive the baseband additional signals and generate additional signals of a predetermined band, an average power controller configured to control an average power of the additional signals of the predetermined band, an inserter configured to insert the additional signals of the predetermined band with a controlled average power to the original signals of the predetermined band to thereby generate mixed signals of a predetermined band, and a transmitter configured to transmit the mixed signals of the predetermined band.

    摘要翻译: 一种用于发送和接收广播通信数据的装置,所述装置包括被配置为接收原始数据并生成基带原始信号的原始信号发生器,被配置为接收基带附加信号并生成预定频带的原始信号的第一调制器, 附加信号发生器,被配置为接收附加数据并产生基带附加信号,第二调制器被配置为接收基带附加信号并产生预定频带的附加信号,平均功率控制器被配置为控制所述附加信号的平均功率 预定频带,插入器,被配置为以预定频带的原始信号插入具有受控平均功率的预定频带的附加信号,从而产生预定频带的混合信号;以及发射机,被配置为发送预定频带的混合信号 内带。

    Apparatus and method for transmitting/receiving broadcast data in digital broadcasting system
    108.
    发明授权
    Apparatus and method for transmitting/receiving broadcast data in digital broadcasting system 失效
    用于在数字广播系统中发送/接收广播数据的装置和方法

    公开(公告)号:US08619895B2

    公开(公告)日:2013-12-31

    申请号:US13211829

    申请日:2011-08-17

    IPC分类号: H04L27/18

    摘要: Disclosed are a method and an apparatus for transmitting and receiving broadcast data in a digital broadcasting system. The method for transmitting and receiving broadcast data in a digital broadcasting system includes receiving the main data encoded with symbols having a plurality of levels; deciding whether levels of main data symbols encoded with symbols having the plurality of levels belong to a first group; and mapping the main data symbols to extended levels by using modulation values of the additional data if it is decided that the levels of the main data symbols belong to the first group.

    摘要翻译: 公开了一种用于在数字广播系统中发送和接收广播数据的方法和装置。 在数字广播系统中发送和接收广播数据的方法包括接收用具有多个等级的符号编码的主数据; 确定用具有多个等级的符号编码的主数据符号的电平是否属于第一组; 以及如果确定主数据符号的级别属于第一组,则通过使用附加数据的调制值将主数据符号映射到扩展级。

    Distributed repeater and distributed repeating method thereof
    109.
    发明授权
    Distributed repeater and distributed repeating method thereof 失效
    分布式中继器及其分布式重复方法

    公开(公告)号:US08442098B2

    公开(公告)日:2013-05-14

    申请号:US12517613

    申请日:2007-11-30

    IPC分类号: H04B3/36

    摘要: Provided are a distributed repeater for repeating output signals identical to input signals through a channel different from that of main transmitter signals but identical to channels of other distributed repeaters, and a distributed repeating method thereof. The distributed repeater includes: a pre-processing unit configured to receive a radio frequency (RF) signal transmitted from an external device and demodulate the RF signal into a baseband signal; an equalizer configured to equalize the baseband signal to correct a distortion occurring on a transmission channel; an identification signal generation and insertion unit configured to generate an identification signal for identification of the distributed repeater and network conditioning, and insert the identification signal in the equalized baseband signal; and a post-processing unit configured to convert the baseband signal from the identification signal generation and insertion unit into an RF signal, and send the RF signal.

    摘要翻译: 提供一种分布式中继器,用于通过与主发射机信号不同的信道重复与输入信号相同的输出信号,但与其他分布式中继器的信道相同的输出信号及其分布式重复方法。 分布式中继器包括:预处理单元,被配置为接收从外部设备发送的射频(RF)信号并将RF信号解调为基带信号; 均衡器,其被配置为均衡所述基带信号以校正发生在传输信道上的失真; 识别信号生成和插入单元,被配置为生成用于识别所述分布式中继器的识别信号和网络调理,并将所述识别信号插入所述均衡的基带信号中; 以及后处理单元,被配置为将来自识别信号生成和插入单元的基带信号转换为RF信号,并发送RF信号。

    Apparatus and method for estimating inverse channel of repeater's receiving channel
    110.
    发明授权
    Apparatus and method for estimating inverse channel of repeater's receiving channel 有权
    用于估计中继器接收信道的反向信道的装置和方法

    公开(公告)号:US08411801B2

    公开(公告)日:2013-04-02

    申请号:US12676883

    申请日:2008-05-06

    IPC分类号: H04L27/06 H04B1/10

    摘要: Provided is an apparatus and method for estimating inverse channel of a repeater's receiving channel, which ensures stability and causality by generating a time-domain filter coefficient having information on an inverse channel of repeater's receiving channel from a signal transmitted from a main transmitter or another repeater. The apparatus includes: a channel estimator for estimating a channel established by a transmission path from a received signal; an inverse minimum phase filter coefficient generator for generating inverse channel of a minimum phase channel from the estimated channel, and converting the inverse channel of the minimum phase channel into a time-domain filter coefficient; an inverse group delay filter coefficient generator for generating a time-domain filter coefficient by using the estimated channel and the minimum phase channel; and a combiner for generating an inverse channel of a receiving channel in a time domain by combining the filter coefficient and the filter coefficient.

    摘要翻译: 提供了一种用于估计中继器的接收信道的反向信道的装置和方法,其通过从从主发射机或另一个中继器发送的信号生成具有关于中继器的接收信道的反向信道的信息的时域滤波器系数来确保稳定性和因果关系 。 该装置包括:信道估计器,用于从接收信号估计由传输路径建立的信道; 反相最小相位滤波器系数发生器,用于从估计的信道产生最小相位信道的反向信道,并将最小相位信道的反向信道转换为时域滤波器系数; 逆群延迟滤波器系数发生器,用于通过使用估计信道和最小相位信道来产生时域滤波器系数; 以及组合器,用于通过组合滤波器系数和滤波器系数来在时域中产生接收信道的反向信道。