公开(公告)号：KR1020150047081A

公开(公告)日：2015-05-04

申请号：KR1020140087791

申请日：2014-07-11

Applicant: 한국전자통신연구원 ,  연세대학교 원주산학협력단

Inventor： 김창기 ,  유정주 ,  홍진우 ,  서광덕 ,  이홍래

IPC: H04N21/234 ,  H04N21/235

CPC classification number: H04N21/64738

Abstract: 본발명은 MMT 오버헤드감축형페이로딩장치로, 입력되는미디어프로세싱유닛(Media Processing Unit: MPU) 프래그먼트타입을분류하는타입분류부와, 상기분류된 MPU 프래그먼트타입과상이한타입의다른 MPU 프래그먼트와통합할경우의통합패킷의크기와최대전송단위(Maximum Transmission Unit : MTU)의크기와비교하는사이즈비교부와, 상기사이즈비교결과에따라, 둘이상의상이한타입의 MPU 프래그먼트들을통합하여 MMT 페이로드를생성하는페이로드생성부와, 상기생성된페이로드에헤더를부가하는헤더생성부를포함한다.

Abstract translation: 本发明涉及一种MMT开销减少付费装置，包括：类型分类单元，用于对输入的媒体处理单元（MPU）片段的类型进行分类; 当分类的MPU片段类型和不同类型的另一个MPU片段被聚合时，用于将聚合分组的大小与最大传输单元（MTU）的大小进行比较的大小比较单元; 有效载荷生成单元，其根据大小比较的结果，通过聚合两种以上的不同类型的MPU片段来生成MMT有效载荷; 以及标题生成单元，用于将标题添加到所生成的有效载荷。

公开(公告)号：KR101378288B1

公开(公告)日：2014-03-26

申请号：KR1020100102335

申请日：2010-10-20

Applicant: 한국전자통신연구원

Inventor： 탕쯔엉꽁 ,  강정원 ,  배성준 ,  유정주 ,  류원

IPC: H04N7/173

CPC classification number: H04N21/4431 ,  H04N21/6332 ,  H04N21/64322 ,  H04N21/6583 ,  H04N21/812 ,  H04N21/8193

Abstract: MXM 트랜잭션을 사용하는 개체에서 트랜잭션을 제어하기 위한 방법 및 장치가 제공된다. 트랜잭션은 하나 이상의 부-세션을 포함할 수 있고, 부-세션은 계층적일 수 있다. 계층적인 부--션을 제어하기 위한 신택스, 트랜잭션 제어 메시지의 신택스 및 콘텐츠 전송 제어 메시지의 신택스가 개시된다.

公开(公告)号：KR1020140008237A

公开(公告)日：2014-01-21

申请号：KR1020130049304

申请日：2013-05-02

Applicant: 연세대학교 원주산학협력단 ,  한국전자통신연구원

Inventor： 김창기 ,  유정주 ,  홍진우 ,  서광덕

IPC: H04N21/236 ,  H04N21/434

CPC classification number: H04L69/22 ,  H04L67/02 ,  H04L67/14 ,  H04L69/28 ,  H04L69/327 ,  H04N21/2381 ,  H04N21/242 ,  H04N21/64322 ,  H04N21/6437 ,  H04N21/8547

Abstract: The present invention relates to an apparatus for transmitting packets in an MPEG media transport (MMT) system comprising: an MMT packetizing unit which generates MMT packets by recording standard time information related to a media access unit (AU) for providing synchronization of the media AU; and a transmission unit which transmits the generated MMT packets to a recipient side. Accordingly, a synchronization between different media can be provided in a hybrid transmission environment where media streams belonging to one program are transmitted from different servers. [Reference numerals] (AA) Start; (BB) End; (S510) AU input; (S520) Generate MPU by encapsulating the AU; (S530) Generate PTS relative to a first AU among the MPUs; (S540) Generate UTC information corresponding to the PTS? (UTC_resolution=?); (S550) Include UTC resolution information and generate UTC time information corresponding to the PTS(One among the UTC_resolution, UTC_32, UTC_48, and UTC_64); (S555) Generate the UTC resolution information(UTC_resolution); (S560) Store the generated UTC time information in an MPU header or MMT-CI; (S570) Generate an MMT asset

Abstract translation: 本发明涉及一种用于在MPEG媒体传输（MMT）系统中发送分组的装置，包括：MMT分组单元，其通过记录与媒体接入单元（AU）相关的标准时间信息来产生MMT分组，用于提供媒体AU的同步 ; 以及发送单元，其将生成的MMT分组发送到接收方。 因此，可以在混合传输环境中提供不同媒体之间的同步，其中属于一个节目的媒体流从不同的服务器发送。 （附图标记）（AA）开始; （BB）结束; （S510）AU输入; （S520）通过封装AU生成MPU; （S530）生成相对于MPU中的第一AU的PTS; （S540）生成对应于PTS的UTC信息？ （UTC_resolution =？）; （S550）包括UTC分辨率信息并生成对应于PTS的UTC时间信息（UTC_resolution，UTC_32，UTC_48和UTC_64之一）; （S555）生成UTC分辨率信息（UTC_resolution）; （S560）将生成的UTC时间信息存储在MPU头或MMT-CI中; （S570）生成MMT资产

公开(公告)号：KR1020110062914A

公开(公告)日：2011-06-10

申请号：KR1020090119782

申请日：2009-12-04

Applicant: 한국전자통신연구원

Inventor： 배성준 ,  유정주 ,  류원

IPC: H04N7/24

CPC classification number: H04N19/157 ,  H04N19/172 ,  H04N19/30

Abstract: PURPOSE: A time stamp allocation method for a video service having non-increasing frame order is provided to automatically calculate a time stamp by using a frame indicator when a video of a hierarchical frame rate structure is encoded. CONSTITUTION: A plurality of frames that are decoded in a non-increasing frame order based video encoding method is received. Time stamps are calculated by using frame rate indicators corresponding to each frame(S420). The time stamp of a current frame is added on a connection list(S440). The time stamp of the calculated current frame is stored according to the frame rate indicators. All time stamps are deleted if the current frame rate indicator is equivalent to the maximum frame rate(S460).

Abstract translation: 目的：提供具有不增加帧顺序的视频服务的时间标记分配方法，以便在分层帧率结构的视频被编码时通过使用帧指示符来自动计算时间标记。 构成：接收以不增加帧顺序的视频编码方式解码的多个帧。 通过使用与每个帧对应的帧率指示符来计算时间标记（S420）。 在连接列表上添加当前帧的时间戳（S440）。 计算出的当前帧的时间戳根据帧率指标进行存储。 如果当前帧速率指示符等于最大帧速率，则删除所有时间戳（S460）。

公开(公告)号：KR1020110053043A

公开(公告)日：2011-05-19

申请号：KR1020090109841

申请日：2009-11-13

Applicant: 한국전자통신연구원

Inventor： 김광용 ,  유정주 ,  류원

IPC: H04N21/43

CPC classification number: H04N21/26606 ,  H04N21/2381 ,  H04N21/2387 ,  H04N21/254 ,  H04N21/44209

Abstract: PURPOSE: A real-time on-demand service providing method and package content of an open type IPTV service environment are provided to download user providing content according to the request of a user. CONSTITUTION: The subscription of a package content provider is requested to a package content integrated management server(110) according to the request of a package content provider(100). The package contents provider is subscribed to the package content integrated management server. Package content use information is downloaded from the package content integrated management server. The package content is generated by using the downloaded package content use information.

Abstract translation: 目的：提供开放式IPTV服务环境的实时按需服务提供方法和包内容，以根据用户的请求下载提供内容的用户。 构成：根据包内容提供商（100）的请求，向包内容集成管理服务器（110）请求订阅包内容提供商。 包内容提供商订阅包内容集成管理服务器。 软件包内容使用信息从软件包内容集成管理服务器下载。 通过使用下载的包内容使用信息生成包内容。

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

Inventor： 배성준 ,  유정주 ,  홍진우

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）。

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

Inventor： 배성준 ,  유정주 ,  홍진우 ,  고성제 ,  김혜수 ,  남형민

IPC: H04W24/00

CPC classification number: H04W24/00 ,  H04W24/10 ,  H04W28/06

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。

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

Inventor： 신일홍 ,  유정주 ,  홍진우 ,  임종수

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。

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

Inventor： 탕쯔엉꽁 ,  강정원 ,  유정주 ,  홍진우

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。

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

Inventor： 신일홍 ,  최해철 ,  정순흥 ,  유정주 ,  임종수 ,  홍진우

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