公开(公告)号：KR1020130138694A

公开(公告)日：2013-12-19

申请号：KR1020130066438

申请日：2013-06-11

Applicant: 한국전자통신연구원

Inventor： 배성준

IPC: H04N21/23 ,  H04L29/06

CPC classification number: H04N21/236

Abstract: Provided is a method for describing timing information in a media processing unit (MPU) comprising one or more access units. The method for generating an MPEG media transport (MMT) packet by an MMT packet transmission device comprises the steps of: determining an encapsulation mode based on at least one among the number of access units included in the single MPU, a composition time stamp value of each access unit included in the media processing unit, and a decoding order of each access unit included in the media processing unit; and generating the MPU by encapsulating the access unit according to the determined encapsulation module. [Reference numerals] (210) Determine an encapsulation mode based on at least one among the number of AU included in a single MPU, a CTS value, and the information on a decoding order;(220) Generate the MPU by encapsulating the AU according to the determined encapsulation mode;(230) Generate a MMT packet by the packetization of the MPU;(AA) Start;(BB) End

Abstract translation: 提供了一种用于描述包括一个或多个访问单元的媒体处理单元（MPU）中的定时信息的方法。 用于通过MMT分组传输设备生成MPEG媒体传输（MMT）分组的方法包括以下步骤：基于包括在单个MPU中的接入单元数量中的至少一个来确定封装模式，组合时间戳值 包括在媒体处理单元中的每个访问单元和包括在媒体处理单元中的每个访问单元的解码顺序; 以及通过根据所确定的封装模块封装所述访问单元来生成所述MPU。 （附图标记）（210）基于单个MPU中包括的AU的数量，CTS值和关于解码顺序的信息中的至少一个来确定封装模式;（220）通过根据 到确定的封装模式;（230）通过MPU的分组生成MMT分组;（AA）开始;（BB）结束

公开(公告)号：KR1020130085987A

公开(公告)日：2013-07-30

申请号：KR1020130005783

申请日：2013-01-18

Applicant: 한국전자통신연구원

Inventor： 배성준

IPC: H04N7/24

CPC classification number: H04N21/2381 ,  H04L65/4076 ,  H04N21/234327

Abstract: PURPOSE: A method for transporting media data having access units that are divided into multiple media fragment units (MFU) through heterogeneous IP networks is provided to achieving a media data packaging corresponding to various media data structures by generating media processing units (MPU) using fragmented data constituting an access unit as a constituent unit. CONSTITUTION: A media data transmission device receives media data (S100). A stream divider of the media data transmission device divides the media data into a media fragment units having a network abstraction layer (NAL) (S200). A header generator of the media data transmission device generates a header of a media unit (M-Unit) (S200). A packaging unit of the media data transmission device generates the M-unit from the media fragments units (S300). [Reference numerals] (AA) Start; (BB) End; (S100) Receive media data; (S200) Divide the media data; (S300) Generate an M-unit

Abstract translation: 目的：提供一种通过异构IP网络传输具有被划分为多个媒体片段单元（MFU）的接入单元的媒体数据的方法，以通过使用分段的多个媒体数据结构生成媒体处理单元（MPU）来实现与各种媒体数据结构相对应的媒体数据打包 构成访问单元的数据作为构成单元。 构成：媒体数据发送装置接收媒体数据（S100）。 媒体数据传输设备的流分割器将媒体数据划分成具有网络抽象层（NAL）的媒体片段单元（S200）。 媒体数据传输装置的标题生成器生成媒体单元（M-Unit）的标题（S200）。 媒体数据传输装置的打包单元从媒体片段单元生成M单元（S300）。 （附图标记）（AA）开始; （BB）结束; （S100）接收媒体数据; （S200）划分媒体数据; （S300）生成M单元

公开(公告)号：KR1020130040151A

公开(公告)日：2013-04-23

申请号：KR1020120113653

申请日：2012-10-12

Applicant: 한국전자통신연구원

Inventor： 배성준

IPC: H04L29/06 ,  H04N7/24

CPC classification number: H04N21/64322 ,  H04N21/234327 ,  H04N21/2381 ,  H04N21/2387 ,  H04N21/47217 ,  H04N21/6125

Abstract: PURPOSE: A media data transmission method through a heterogeneous IP network is provided to transmit media streaming by configuring temporal and spatial relations between MMT assets as a separate message in a MMT(MPEG Media Transport Asset) asset configuration and to transmit a transmission characteristic of an MMT asset by configuring a separate message. CONSTITUTION: An encoded media data transmission method includes a stage(S610) receiving MU(Media Unit) having an independent format in a specific media CODEC from a media CODEC layer, a stage generating an MMT asset by encapsulating the generated MU(S620), a stage generating an MMT package by encapsulating the generated MMT asset, a stage generating an MMT payload format by receiving the generated MMT package and a stage generating an MMT transmission packet by receiving the generated MMT payload format and the MMT asset includes an MMT asset indicator, being an index, classifying one MMT asset with the other MMT asset and an MMT composition information indicator storing an index of an MMT composition information in which the MMT asset refers. [Reference numerals] (AA) Start; (BB) End; (S610) Receiving an MU(Media Unit) having an independent format in a specific media CODEC from a media CODEC layer; (S620) Generating an MMT asset by encapsulating the MU; (S630) Generating an MMT package by encapsulating the MMT asset; (S640) Generating an MMT payload format by receiving the MMT package; (S650) Generating an MMT transport packet by receiving the MMT payload format;

Abstract translation: 目的：提供通过异构IP网络的媒体数据传输方法，通过在MMT（MPEG媒体传输资产）资产配置中将MMT资产之间的时间和空间关系配置为单独的消息来传输媒体流，并传输媒体数据传输的传输特性 MMT资产通过配置单独的消息。 构成：编码媒体数据传输方法包括在媒体CODEC层的特定媒体CODEC中接收具有独立格式的MU（媒体单元）的级（S610），通过封装生成的MU来生成MMT资产的级（S620） 通过封装生成的MMT资产生成MMT包的阶段，通过接收生成的MMT包生成MMT有效载荷格式的级和通过接收生成的MMT有效载荷格式生成MMT传输包的级，并且MMT资产包括MMT资产指示符 作为索引，将一个MMT资产与其他MMT资产进行分类，以及存储MMT资产所参考的MMT组合信息的索引的MMT组合信息指示符。 （附图标记）（AA）开始; （BB）结束; （S610）从媒体CODEC层接收在特定媒体CODEC中具有独立格式的MU（媒体单元）; （S620）通过封装MU生成MMT资产; （S630）通过封装MMT资产生成MMT包; （S640）通过接收MMT包生成MMT有效载荷格式; （S650）通过接收MMT有效载荷格式生成MMT传输包;

公开(公告)号：KR1020130007993A

公开(公告)日：2013-01-21

申请号：KR1020120075465

申请日：2012-07-11

Applicant: 한국전자통신연구원

Inventor： 배성준

IPC: H04N7/24

CPC classification number: H04N21/262

Abstract: PURPOSE: A transmission method of a media stream including an interdependence frame is provided to suitably schedule transmission without having advance information for a dependency structure by additionally providing screen display time information. CONSTITUTION: Frames including PTS(Presentation Time Stamp) of a current frame are allocated through an earliest dependency PTS in order to decode the frames(S410). The allocated DPTS is transmitted to a receiver by binding the frames(S420). [Reference numerals] (AA) Start; (BB) End; (S410) Allocating PTS which requires a current frame for decoding frames including earlier time than the current frame to DPTS of the current frame; (S420) Transmitting DPTS to a reception end by binding frames with the DPTS

Abstract translation: 目的：提供包括相互依赖性帧的媒体流的传输方法，以通过附加提供屏幕显示时间信息来适当地调度传输而不具有依赖结构的提前信息。 构成：通过最早的依赖性PTS分配包括当前帧的PTS（呈现时间戳）的帧，以解码帧（S410）。 通过绑定帧将分配的DPTS发送到接收机（S420）。 （附图标记）（AA）开始; （BB）结束; （S410）将需要当前帧的PTS分配给包括比当前帧更早的帧的帧的PTS分配给当前帧的DPTS; （S420）通过与DPTS绑定帧将DPTS发送到接收端

公开(公告)号：KR1020120138687A

公开(公告)日：2012-12-26

申请号：KR1020120063213

申请日：2012-06-13

Applicant: 한국전자통신연구원

Inventor： 배성준

IPC: H04N7/24 ,  H04L12/56

CPC classification number: H04L43/106 ,  H04L47/34 ,  H04L65/608 ,  H04L69/04

Abstract: PURPOSE: A method for transmitting media data based on packets having a header minimizing an overhead is provided to prevent an encoder from performing work for determining the inclusion of a format among headers by sharing a format of an MFU(Media Fragment Unit) header and an M-unit header. CONSTITUTION: A system capsulates media data so that an MFU(Media Fragment Unit) header and an M-unit header share a single format(S810). The system enables an MMT(MPEG Multimedia Transport Layer) payload format to include a header field for an operation which an RTP(Real-time Transport Protocol) does not support in order to deliver the capsulated media data from a specific entity to another entity(S820). The system controls the delivery of the media data(S830). [Reference numerals] (AA) Start; (BB) End; (S810) Capsulizing media data; (S820) Delivering the same to another entity; (S830) Controlling the delivery of the media data

Abstract translation: 目的：提供一种基于具有最小化开销的报头的分组来发送媒体数据的方法，以防止编码器通过共享MFU（媒体分段单元）报头和 M单元头。 构成：系统封装媒体数据，使得MFU（媒体片段单元）头部和M单元头部共享一个格式（S810）。 该系统使得MMT（MPEG多媒体传输层）有效载荷格式包括用于RTP（实时传输协议）不支持的操作的报头字段，以便将封装的媒体数据从特定实体传送到另一实体（ S820）。 系统控制媒体数据的传送（S830）。 （附图标记）（AA）开始; （BB）结束; （S810）封装媒体数据; （S820）将其提交给另一个实体; （S830）控制媒体数据的传送

公开(公告)号：KR1020120008432A

公开(公告)日：2012-01-30

申请号：KR1020110030807

申请日：2011-04-04

Applicant: 한국전자통신연구원 ,  연세대학교 원주산학협력단

Inventor： 정순흥 ,  서광덕 ,  이진영 ,  배성준 ,  강정원 ,  심상우 ,  탕쯔엉꽁 ,  박상택 ,  류원

IPC: H04N7/24 ,  H04N21/23

CPC classification number: H04L65/608 ,  H04L65/601 ,  H04L65/602 ,  H04N21/2343 ,  H04N21/23439 ,  H04N21/2662 ,  H04N21/6125 ,  H04N21/6379 ,  H04N21/8456 ,  H04N21/85406

Abstract: PURPOSE: A streaming service transmitting/receiving device and a method thereof are provided to supply a quality adaptive HTTP streaming service for an ISO file including multimedia tracks, thereby supporting a multi bit rate and multi resolution. CONSTITUTION: A server(1400) receives a request about a first small ISO file from a terminal(1410). The server generates the first small ISO file based on an original file. The server transmits the first small ISO file to the terminal through streaming. The first small ISO file includes at least one first image chunk and at least one voice chunk. At least one image chunk and at least one voice chunk are interleaved in the first small ISO file.

Abstract translation: 目的：提供流服务发送/接收设备及其方法，为包括多媒体轨道的ISO文件提供质量自适应HTTP流服务，从而支持多比特率和多分辨率。 构成：服务器（1400）从终端接收关于第一个小ISO文件的请求（1410）。 服务器将根据原始文件生成第一个小型ISO文件。 服务器通过流式传输第一个小ISO文件到终端。 第一个小ISO文件包括至少一个第一图像块和至少一个语音块。 至少一个图像块和至少一个语音块被交织在第一个小ISO文件中。

公开(公告)号：KR1020110065159A

公开(公告)日：2011-06-15

申请号：KR1020090122032

申请日：2009-12-09

Applicant: 한국전자통신연구원

Inventor： 배성준 ,  강정원 ,  유정주 ,  류원

IPC: G06F17/00

CPC classification number: H04N21/23103 ,  H04N21/2225 ,  H04N21/234327 ,  H04N21/2665 ,  H04N21/4621 ,  H04N21/631

Abstract: PURPOSE: A system for providing multilayer contents by using multiple servers and a content service method thereof are provided to divide one content into a plurality of transmission groups having different kinds of quality by using multiple servers. CONSTITUTION: The contents are encoded by a hierarchical coding scheme. The contents are encoded to a hierarchical structure which is composed of a plurality of quality levels. The encoded contents are divided into a plurality of transmission groups. The plurality of transmission groups have the different quality levels.

Abstract translation: 目的：提供一种通过使用多个服务器提供多层内容的系统及其内容服务方法，通过使用多个服务器将一个内容分成具有不同质量品质的多个传输组。 构成：内容由分层编码方案编码。 内容被编码为由多个质量等级组成的分层结构。 编码内容被分成多个传输组。 多个传输组具有不同的质量级别。

公开(公告)号：KR1020110051104A

公开(公告)日：2011-05-17

申请号：KR1020090107775

申请日：2009-11-09

Applicant: 한국전자통신연구원

Inventor： 강정원 ,  배성준 ,  신일홍 ,  이경준 ,  유정주 ,  류원

IPC: H04N7/24

CPC classification number: H04N19/33 ,  H04N19/172 ,  H04N19/184 ,  H04N19/436

Abstract: PURPOSE: A method and system of encoding a visual space division type parallel video are provided to improve encoding speed. CONSTITUTION: A time and space partition unit(110) selects a method for dividing an input image based on constraint condition. The time and space partition unit transmits the input image to different encoding by dividing the input image according to the selected method. A encoding unit(120) generates a encoded bit stream by encoding the divided input image. An input image integration unit(130) integrates the encoding bit stream by receiving from the encoding units.

Abstract translation: 目的：提供一种编码视觉空间分割型并行视频的方法和系统，以提高编码速度。 构成：时空分区单元（110）基于约束条件选择分割输入图像的方法。 时间和空间分割单元根据所选择的方法通过划分输入图像将输入图像发送到不同的编码。 编码单元（120）通过对分割的输入图像进行编码来生成编码比特流。 输入图像合成单元（130）通过从编码单元接收来对编码比特流进行积分。

公开(公告)号：KR100923865B1

公开(公告)日：2009-10-28

申请号：KR1020070124224

申请日：2007-12-03

Applicant: 한국전자통신연구원

Inventor： 신일홍 ,  강정원 ,  배성준 ,  유정주 ,  홍진우

IPC: H04N19/90

Abstract: A distributed video codec device using spatial reduction and enlargement, and a method thereof are provided to prevent degradation of a system with a reduced decoding computation quantity by receiving a time and space-reduced image. An image separator(211) temporally separates an input image. A first encoder transmits parity by encoding a part of the separated input image. A down-sampler(214) spatially reduces the rest of the separated input image. A second encoder encodes and transmits the reduced image.

公开(公告)号：KR1020090057585A

公开(公告)日：2009-06-08

申请号：KR1020070124224

申请日：2007-12-03

Applicant: 한국전자통신연구원

Inventor： 신일홍 ,  강정원 ,  배성준 ,  유정주 ,  홍진우

IPC: H04N19/90

CPC classification number: H04N19/395 ,  H04N19/33 ,  H04N19/59

Abstract: A distributed video codec device using spatial reduction and enlargement, and a method thereof are provided to prevent degradation of a system with a reduced decoding computation quantity by receiving a time and space-reduced image. An image separator(211) temporally separates an input image. A first encoder transmits parity by encoding a part of the separated input image. A down-sampler(214) spatially reduces the rest of the separated input image. A second encoder encodes and transmits the reduced image.

Abstract translation: 提供一种使用空间缩小和放大的分布式视频编解码器装置及其方法，用于通过接收时间和空间缩小的图像来防止具有降低的解码计算量的系统的劣化。 图像分离器（211）在时间上分离输入图像。 第一编码器通过对分离的输入图像的一部分进行编码来发送奇偶校验。 下采样器（214）在空间上减少分离的输入图像的其余部分。 第二编码器对缩小图像进行编码和发送。