公开(公告)号：KR101206111B1

公开(公告)日：2012-11-28

申请号：KR1020110089923

申请日：2011-09-06

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 탕쯔엉꽁 ,  이진영 ,  배성준 ,  강정원 ,  정순흥 ,  박상택 ,  류원 ,  김재곤

IPC: H04L29/06 ,  H04N21/40

CPC classification number: H04L65/608 ,  H04L29/06027 ,  H04L65/4084 ,  H04L65/60 ,  H04L65/607 ,  H04N21/2353 ,  H04N21/23805 ,  H04N21/2401 ,  H04N21/44004 ,  H04N21/6125 ,  H04N21/84 ,  H04N21/845 ,  H04N21/8456

Abstract: A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other.

公开(公告)号：KR1020120120916A

公开(公告)日：2012-11-02

申请号：KR1020120102674

申请日：2012-09-17

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 탕쯔엉꽁 ,  이진영 ,  배성준 ,  강정원 ,  정순흥 ,  박상택 ,  류원 ,  김재곤

IPC: H04N21/234

CPC classification number: H04L65/60 ,  G06Q90/00 ,  H04L65/4069 ,  H04L65/4084 ,  H04L65/80 ,  H04L67/02 ,  H04N21/6125

Abstract: PURPOSE: A streaming content supplying apparatus and a method thereof are provided to reproduce media by using segments which are divided by each period. CONSTITUTION: An access engine(510) receives meta data of media. The meta data of the media includes one or more periods. The access engine receives segments of the media based on metadata information. The access engine decodes data of the media. The data of the media is included in the segments. A media engine(520) outputs the media received from the access engine. [Reference numerals] (510) (DASH) access engine; (520) Media engine; (AA) Meta data(MPD); (BB) Media(segment); (CC) MPEG format media + timing; (DD) Media output

Abstract translation: 目的：提供流内容提供装置及其方法，通过使用被每个周期划分的分段来再现媒体。 构成：访问引擎（510）接收媒体的元数据。 媒体的元数据包括一个或多个周期。 访问引擎基于元数据信息接收媒体的段。 访问引擎解码媒体的数据。 媒体的数据包含在片段中。 媒体引擎（520）输出从访问引擎接收的媒体。 （510）（DASH）访问引擎; （520）媒体引擎; （AA）元数据（MPD）; （BB）媒体（段）; （CC）MPEG格式媒体+定时; （DD）媒体输出

公开(公告)号：KR1020120120915A

公开(公告)日：2012-11-02

申请号：KR1020120102672

申请日：2012-09-17

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 탕쯔엉꽁 ,  이진영 ,  배성준 ,  강정원 ,  정순흥 ,  박상택 ,  류원 ,  김재곤

IPC: H04L29/06 ,  H04N21/23

CPC classification number: H04N21/4355 ,  H04L29/06489

Abstract: PURPOSE: An apparatus and method for providing streaming contents are provided to generate an URL of a segment by mapping any base URL elements with source URL attributes of the segment. CONSTITUTION: Meta data of a media is received(120). The meta data includes one or more base URL(uniform resource locator) elements. A segment of the media is requested by using an URL of the segment(140). The URL is interpreted in relation with the base URL element. The segment is received(150). Media data included in the segment is decoded and rendered. Identical segments are selectively accessed by URLs which are provided by one or more base URL segments. [Reference numerals] (100) Terminal; (110) Server; (120) Meta data; (130) Meta data processing; (140) Segment request; (145) Media parse; (150) Segment transmission; (160) Decoding and rendering

Abstract translation: 目的：提供用于提供流内容的装置和方法，以通过将具有该段的源URL属性的任何基本URL元素映射来生成段的URL。 构成：接收媒体的元数据（120）。 元数据包括一个或多个基本URL（统一资源定位符）元素。 通过使用段（140）的URL请求媒体的片段。 URL与基本URL元素相关。 该段被接收（150）。 包含在片段中的媒体数据被解码和呈现。 通过由一个或多个基本URL段提供的URL来选择性地访问相同的段。 （附图标记）（100）端子; （110）服务器; （120）元数据; （130）元数据处理; （140）段请求; （145）媒体分析; （150）段传输; （160）解码和渲染

公开(公告)号：KR1020120038367A

公开(公告)日：2012-04-23

申请号：KR1020110100706

申请日：2011-10-04

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 탕쯔엉꽁 ,  이진영 ,  배성준 ,  강정원 ,  정순흥 ,  박상택 ,  류원 ,  김재곤

IPC: H04N21/234

CPC classification number: H04L65/60 ,  G06Q90/00 ,  H04L65/4069 ,  H04L65/4084 ,  H04L65/4092 ,  H04L65/80 ,  H04L67/02 ,  H04N21/23439 ,  H04N21/2358 ,  H04N21/43 ,  H04N21/6125 ,  H04N21/84 ,  H04N21/845 ,  H04N21/8541

Abstract: PURPOSE: A method for providing streaming content and a device thereof are provided to use segments in each period when playing a media consisted of a series of one or more periods. CONSTITUTION: A terminal(100) receives meta data of a media with one or more periods. The terminal approaches to segments of the media. The terminal decodes and renders data in the segments of the media. Each period includes one or more representations of the media. Each representation starts from an initial point of the period. Each representation continues to the end point of the period. Each representation continues to an end point of the period.

Abstract translation: 目的：提供一种用于提供流媒体内容的方法及其设备，以便在播放由一系列一个或多个周期组成的媒体时在每个周期中使用片段。 构成：终端（100）接收具有一个或多个周期的媒体的元数据。 终端接近媒体部分。 终端解码和呈现媒体片段中的数据。 每个时期包括媒体的一个或多个表示。 每个表示从该周期的初始点开始。 每个代表继续到期间的终点。 每个代表继续到这个时期的终点。

公开(公告)号：KR1020120035833A

公开(公告)日：2012-04-16

申请号：KR1020110022259

申请日：2011-03-14

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 이진영 ,  탕쯔엉꽁 ,  배성준 ,  강정원 ,  정순흥 ,  박상택 ,  김재곤 ,  장의덕

IPC: H04N5/92 ,  H04N5/93

CPC classification number: H04N5/93 ,  H04N5/9205

Abstract: PURPOSE: A video streaming playback apparatus and method thereof are provided to support a playback mode which is composed of a trick mode and a random access mode by using key frame information within a segment. CONSTITUTION: An information description unit(110) describes information for a key frame of an image group which constitutes a segment. A reproduction unit(120) reproduces a key frame in a playback mode selected from a random access mode, a fast forward mode, and a fast backward mode based on the described key frame information. A video summary unit(130) transmits the key frame to a client. The client reproduces the key frame.

Abstract translation: 目的：提供一种视频流播放装置及其方法，以通过使用片段内的关键帧信息来支持由特技模式和随机接入模式组成的播放模式。 构成：信息描述单元（110）描述构成段的图像组的关键帧的信息。 再现单元（120）基于所描述的关键帧信息再现从随机接入模式，快进模式和快速反向模式中选择的重放模式中的关键帧。 视频摘要单元（130）将关键帧发送给客户端。 客户端再现关键帧。

公开(公告)号：KR1020120034550A

公开(公告)日：2012-04-12

申请号：KR1020110071671

申请日：2011-07-19

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 탕쯔엉꽁 ,  이진영 ,  배성준 ,  강정원 ,  정순흥 ,  박상택 ,  류원 ,  김재곤

IPC: H04N21/2381 ,  H04N21/235

CPC classification number: H04L67/2804 ,  H04L29/06027 ,  H04L47/30 ,  H04L65/4092 ,  H04L65/602 ,  H04L65/604 ,  H04L65/608 ,  H04L65/80 ,  H04N21/2353 ,  H04N21/23805 ,  H04N21/2401 ,  H04N21/2402 ,  H04N21/44004 ,  H04N21/6543 ,  H04N21/6547

Abstract: PURPOSE: A device for providing streaming content and a method thereof are provided to assign the minimum amount of buffered media in the beginning when playing the content. CONSTITUTION: A client receives meta data for content or for a specific interval of the content from a server(120). The client processes the meta data for the specific interval(130). The meta data includes the minimum buffer time property which shows the minimum amount of buffered media content at the beginning for playing the media content. The client requests fragments to the server(140). The server performs parsing of the content(145). The server transmits the fragments suitable for each client request to the client(150).

Abstract translation: 目的：提供用于提供流内容的设备及其方法，用于在播放内容时在开始时分配最小量的缓冲介质。 构成：客户端从服务器（120）接收内容的元数据或特定的内容间隔。 客户端处理特定间隔的元数据（130）。 元数据包括最小缓冲时间属性，其显示开始时播放媒体内容的缓冲媒体内容的最小量。 客户端向服务器请求片段（140）。 服务器执行解析内容（145）。 服务器将适合于每个客户端请求的片段发送到客户端（150）。

公开(公告)号：KR1020120015260A

公开(公告)日：2012-02-21

申请号：KR1020110044564

申请日：2011-05-12

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 이진영 ,  김재곤 ,  장의덕 ,  탕쯔엉꽁 ,  강정원 ,  정순흥 ,  배성준 ,  박상택 ,  류원

IPC: H04N7/24

CPC classification number: H04L65/607 ,  H04N21/234327 ,  H04N21/23605

Abstract: PURPOSE: A streaming service method for providing scalability and view information and a device thereof are provided to insert scalability information to an extended TS header, thereby providing the scalability information at a TS level. CONSTITUTION: A packet generating unit(610) generates an MPEG-2 transport stream packet. A transmission unit(620) transmits an MPEG-2 transport stream using the MPEG-2 transport stream packet. The MPEG-2 transport stream includes a scalable video stream. The header of the scalable video stream packet includes scalability information of the scalability video stream.

Abstract translation: 目的：提供用于提供可扩展性和视图信息的流服务方法及其设备，以将扩展性信息插入扩展TS报头，从而在TS级别提供可扩展性信息。 构成：分组生成单元（610）生成MPEG-2传输流分组。 发送单元（620）使用MPEG-2传输流分组来发送MPEG-2传输流。 MPEG-2传输流包括可缩放视频流。 可伸缩视频流分组的报头包括可伸缩性视频流的可伸缩性信息。

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。