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公开(公告)号：KR1020100111834A
公开(公告)日：2010-10-18
申请号：KR1020090030237
申请日：2009-04-08
Applicant: 한국전자통신연구원
IPC: H04W4/06
CPC classification number: H04L12/18
Abstract: PURPOSE: An adaptive transmission method of hierarchical contents for unicast transmission and multicast transmission by selecting a transmission mode according to a transmission state of a terminal is provided to reduce the load of the communication network by maximizing the data transmission rate of a basic transmission group. CONSTITUTION: A transmission server receives transmission state information from a terminal(302). The transmission server determines a transmission policy according to the transmission state information(304). The transmission server transmits a basic transmission group of hierarchical contents. The transmission server transmits the basic transmission group of the hierarchical contents to the terminals(306). The transmission server transmits a transmission group to the terminal(308).
Abstract translation: 目的：提供一种通过根据终端的传输状态选择传输模式的单播传输和组播传输的分层内容的自适应传输方法，以通过最大化基本传输组的数据传输速率来减少通信网络的负载。 构成：发送服务器从终端接收发送状态信息（302）。 传输服务器根据传输状态信息确定传输策略（304）。 传输服务器发送分层内容的基本传输组。 发送服务器将分层内容的基本发送组发送给终端（306）。 发送服务器向终端发送发送组（308）。
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公开(公告)号：KR1020100034203A
公开(公告)日：2010-04-01
申请号：KR1020080093225
申请日：2008-09-23
Applicant: 한국전자통신연구원
IPC: H04W24/00
Abstract: PURPOSE: An apparatus and a method for estimating channel capacity between terminals are provided to estimate the capacity of a channel using a data packet without using an additional packet for estimating the capacity of a channel. CONSTITUTION: A channel capacity average configuration unit(203) obtains the average value of channel capacities by the size of a data packet of data packets of different sizes. A linear model configuration unit(213) obtains a linear model of the channel capacity of a data packet using the average of the channel capacities. A channel capacity estimating unit(215) estimates the channel capacity of a data packet using the linear model. The linear model configuration unit generates the linear model of the channel capacity according to the size of the data packet using the average value and the real channel capacity of the data packets.
Abstract translation: 目的：提供用于估计终端之间的信道容量的装置和方法，以估计使用数据分组的信道的容量，而不使用用于估计信道容量的附加分组。 构成：信道容量平均配置单元（203）通过不同大小的数据分组的数据分组的大小来获得信道容量的平均值。 线性模型配置单元（213）使用信道容量的平均值来获得数据分组的信道容量的线性模型。 信道容量估计单元（215）使用线性模型估计数据分组的信道容量。 线性模型配置单元使用数据包的平均值和实际信道容量根据数据包的大小生成信道容量的线性模型。
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公开(公告)号：KR1020100010612A
公开(公告)日：2010-02-02
申请号：KR1020080071563
申请日：2008-07-23
Applicant: 한국전자통신연구원
IPC: H04N19/30
CPC classification number: H04N7/26255 , H04N19/103 , H04N19/117 , H04N19/159 , H04N19/174 , H04N19/182 , H04N19/33 , H04N19/44 , H04N19/59 , H04N19/61
Abstract: PURPOSE: A scalable video decoder utilizing a property of single loop decoding mode and controlling method thereof are provided to run an image enlargement calculation with macro block information and a neighboring task part of the lower layer, after an encoding of a lower layer, if texture or residual is needed in a higher layer encoding so reducing a necessary memory usage. CONSTITUTION: A macro block mode decision unit(110) determines the macro block mode of the higher layer when decrypting the scalable image. When the macroblock mode of the higher layer is an inter-layer reference mode. An enlargement operation unit(120) magnifies the texture by using the correspondence macro block data and a neighboring pixel information of the lower layer. Or the enlargement operation unit enlarges the residual by using a macro block information of a lower layer. A decoder unit(130) decodes the higher layer by using the texture or the residual enlargement.
Abstract translation: 目的：提供一种利用单循环解码模式及其控制方法的可扩展视频解码器，用于在下层编码之后运行具有宏块信息和下层相邻任务部分的图像放大计算，如果纹理 或需要较高层编码的余数，从而减少必要的内存使用。 构成：当解密可伸缩图像时，宏块模式决定单元（110）确定较高层的宏块模式。 当高层的宏块模式是层间参考模式时。 放大操作单元（120）通过使用对应宏块数据和下层的相邻像素信息来放大纹理。 或者放大操作单元通过使用下层的宏块信息来放大残差。 解码器单元（130）通过使用纹理或残余放大来解码较高层。
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公开(公告)号：KR1020100008757A
公开(公告)日：2010-01-26
申请号：KR1020090062074
申请日：2009-07-08
Applicant: 한국전자통신연구원
IPC: H04N19/30
CPC classification number: H04N21/234327 , H04N19/132 , H04N19/159 , H04N19/187 , H04N19/40 , H04N19/70 , H04N21/8451
Abstract: PURPOSE: A conversion apparatus is provided to rewrite an MGS(Medium Grained Scalability) based SVC(Scalable Video Coding) bit stream into an AVC(Advanced Video Coding) bit stream. CONSTITUTION: An extracting unit an MGS layer of a key picture included in an MGS based SVC bit stream. A generating unit(813) creates the residual signal by adding one or more MGS layers of the key picture through a CGS-to-AVC rewriter. A computing unit(814) computes the corrected residual signal about the key picture based on the difference between the residual signal and DCD(Drift-Compensating Data). A bit stream coding unit(815) creates bit stream of single layer based on predicted data and the corrected residual signal.
Abstract translation: 目的：提供一种转换装置，用于将基于SVC（可缩放视频编码）比特流的MGS（Medium Grained Scalability）改写为AVC（高级视频编码）比特流。 构成：提取单元包括在基于MGS的SVC位流中的关键画面的MGS层。 生成单元（813）通过CGS-AVC重写器添加关键画面的一个或多个MGS层来创建残差信号。 计算单元（814）基于残差信号和DCD（漂移补偿数据）之间的差计算关于关键图像的校正残差信号。 比特流编码单元（815）基于预测数据和校正的残差信号创建单层的比特流。
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公开(公告)号：KR100938553B1
公开(公告)日：2010-01-22
申请号：KR1020080025002
申请日：2008-03-18
Applicant: 한국전자통신연구원
IPC: H04N19/30
Abstract: 본 발명은 스케일러블 영상 부/복호화기에서 주변 블록 정보를 이용한 바운더리 처리 방법 및 장치에 관한 것으로, H.264 스케일러블 영상 코덱(Scalable Video Codec: SVC)의 싱글-루프-디코딩(single-loop-decoding) 방식의 특성을 활용하여, 작은 하위 레이어의 부/복호화 시에 상위 레이어의 이미 복원된 정보를, 다운 샘플링 과정을 통해 하위 레이어의 대응 블록의 확대에 필요한 바운더리 정보로 이용하여, 영상 블록의 확대시에 필요한 바운더리 처리 방법을 제공한다.
영상 부호화, 영상 복호화, 레이어, 블록-
Patent Agency Ranking
公开(公告)号：KR100911994B1
公开(公告)日：2009-08-13
申请号：KR1020070080901
申请日：2007-08-10
Applicant: 한국전자통신연구원
IPC: G10L19/02 , H03M7/30 , H04N21/233
Abstract: 본 발명은 음성 및 오디오 신호의 코딩 및 디코딩에 관한 것으로서, 더욱 구체적으로는 HHT(Hilbert-Huang Transform)을 이용하여 음성 및 오디오신호와 같이 비정규적(non-stationary) 특성이 강한 입력신호를 동시에 부호화 및 복호화 할 수 있는 장치 및 방법에 관한 것이다.
본 발명은 입력신호에 대하여 HHT를 적용하여 각기 다른 주파수 대역을 갖는 신호들로 분리하는 단계와, 상기 분리된 신호 각각을 독립적으로 부호화하는 단계 및 상기 독립적으로 부호화된 각각의 신호를 다중화하는 단계를 포함하는 부호화 방법을 제공한다.
힐버트 변환, EMD, HHT, intrinsic mode function,-
公开(公告)号：KR1020090066176A
公开(公告)日：2009-06-23
申请号：KR1020080013494
申请日：2008-02-14
Applicant: 한국전자통신연구원
IPC: H04N19/34 , H04N19/147
CPC classification number: H04N19/34 , H04N19/102 , H04N19/147 , H04N19/162 , H04N19/184
Abstract: A device and a method for generally extracting FGS(Fine Granular Scalability) from SVC(Scalable Video Coding) video with user preference are provided to supply an SVC bit stream having the FGS data according to a consumption environment. An R(Rate)-D(Distortion) data extractor(110) extracts R-D data of more than one space layer by analyzing a bit stream. A user preference collector(120) collects user preference for each space layer. A determination engine(130) determines an optimal bit rate for each space layer by using the bit rate and the user preference. A scaling engine(140) excludes FGS data not corresponding to the optimal bit rate for each space layer.
Abstract translation: 提供了一种用于从具有用户偏好的SVC（可缩放视频编码）视频中提取FGS（精细粒度可扩展性）的装置和方法，以根据消费环境提供具有FGS数据的SVC比特流。 R（Rate）-D（失真）数据提取器（110）通过分析比特流来提取多于一个空间层的R-D数据。 用户偏好收集器（120）收集每个空间层的用户偏好。 确定引擎（130）通过使用比特率和用户偏好来确定每个空间层的最佳比特率。 缩放引擎（140）排除不对应于每个空间层的最佳比特率的FGS数据。
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公开(公告)号：KR1020080052372A
公开(公告)日：2008-06-11
申请号：KR1020070111583
申请日：2007-11-02
Applicant: 한국전자통신연구원
IPC: H04B10/2581 , H04J14/00 , H04B10/27 , H04B10/25
CPC classification number: H04J14/04 , H04Q11/0005 , H04Q11/0062
Abstract: An evolutionary WDM/TDM hybrid PON apparatus is provided to expand capacitance and improve the quality of a service by using an RN of a WS-PS structure and ONT of RSOA method and by using a T-LD as a seed light source. An optical circuit terminal comprises a T-LD(Tunable laser diodes)(201) transmitting a downstream signal, a wavelength coupler(202) which multiplexes the wavelength and downloads it, and an optical receiver(203,204) of an expansion type wavelength distribution structure, which provides the connection for an upper level switch port and expands and distributes the multiplexed wavelengths outputted from the wavelength coupler. A remote node(207) comprises a wavelength distribution coupler(209) which distributes an input wavelength, and a power distribution coupler(208) which distributes the input power. A plurality of ONTs(Optical Network Terminal) of the RSOA way transmit upstream data by modulating again the upstream signals to the incoming downstream signals.
Abstract translation: 提供了一种演进WDM / TDM混合PON装置，通过使用WS-PS结构的RN和RSOA方法的ONT以及通过使用T-LD作为种子光源来扩展电容并提高服务的质量。 光电路终端包括传输下行信号的T-LD（可调谐激光二极管）（201），多路复用波长并将其下载的波长耦合器（202）和扩展型波长分布结构的光接收器（203,204） ，其提供用于上级开关端口的连接并且扩展和分配从波长耦合器输出的多路复用波长。 远程节点（207）包括分配输入波长的波长分配耦合器（209）和分配输入功率的配电耦合器（208）。 RSOA方式的多个ONT（光网络终端）通过再次调制上行信号到上行信号来发送上行数据。
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公开(公告)号：KR1020080051023A
公开(公告)日：2008-06-10
申请号：KR1020070098349
申请日：2007-09-28
Applicant: 한국전자통신연구원
CPC classification number: H04B10/0799 , H04B10/0795 , H04B10/40
Abstract: A control apparatus and a control method by a software are provided to supply various new premium services to users and to have the compatibility to the existing digital broadcasting. A control part(210) controls a target device according to a stored control program and a control parameter. A conversion part(220) converts the two wire series-type external signal for correcting the control program and adjusting the control parameter from an external host into the inner signal for setting or investigating the state values of the input-output pins for connecting each inner circuit of the target device. An inner interface part(230) approaches directly the inner circuit according to the command included in the converted inner signal, and sets and investigates the state values of the input-output pins. The target device is an optical transceiver. The control program performs a digital diagnostic monitoring control function defined in the SFF(Small Form Factor)-8472 standard.
Abstract translation: 提供了一种软件的控制装置和控制方法，以向用户提供各种新的优质服务，并具有与现有数字广播的兼容性。 控制部（210）根据存储的控制程序和控制参数来控制目标装置。 转换部分（220）将用于校正控制程序的两线串联型外部信号转换为外部主机的控制参数，并将其调整为内部信号，以设置或调查用于连接每个内部的输入输出引脚的状态值 电路的目标器件。 内部接口部分（230）根据包含在转换的内部信号中的命令直接接近内部电路，并且设置和调查输入 - 输出引脚的状态值。 目标设备是光收发器。 控制程序执行SFF（小尺寸）-8472标准中定义的数字诊断监视控制功能。
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40.发明授权파장 가변형 광원을 가지는 수동형 광가입자망 시스템의 ＰＣＳ 장치, 광선로종단장치 및 광가입자단말장치 失效用于基于网络的可调波长无源光网络系统的PCS设备，光线路终端设备和光网络终端设备
公开(公告)号：KR100785791B1
公开(公告)日：2007-12-13
申请号：KR1020060085820
申请日：2006-09-06
Applicant: 한국전자통신연구원
Abstract: 본 발명은 파장 가변형 광원을 가지는 ONT를 포함한 이더넷 방식의 파장 분할 다중화 수동형 광 가입자망 시스템에 있어서, 이더넷 통신 방식을 채용한 파장 가변형 광원을 가지는 수동형 광가입자망 시스템(T-PON : Tunable-Wavelength Passive Optical Network System)의 파장 할당과 할당된 파장을 정렬하기 위한 일련의 초기화 기능을 지원하는 PCS장치, 광선로종단장치(OLT : Optical Line Terminal) 및 광가입자단말장치(ONT: Optical Network Terminal) 에 관한 것으로 PCS(Physical Coding Sublayer)계층에서 파장 정보를 전달 및 할당함으로써 OLT 및 ONT간의 링크 설정을 위한 파장을 할당하고 운용 과정에서 ONT내의 광 파장을 관찰하여 안정적 운용이 유지되도록 계속적인 제어를 가능하게 하는 PCS장치 및 이더넷 계층구조를 제공한다.
PON시스템, PCS 장치
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