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公开(公告)号:KR101371965B1
公开(公告)日:2014-03-12
申请号:KR1020120102672
申请日:2012-09-17
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
Abstract: 콘텐츠에 대한 메타데이터를 사용하는 적응형 HTTP 스트리밍 서비스를 위한 방법 및 장치가 개시된다. 상기의 메타데이터는 하나 이상의 베이스 URL 요소들을 포함한다. 미디어를 구성하는 세그먼트의 URL은 하나 이상의 베이스 URL 요소들에 기반하여 생성된다. 세그먼트의 URL은 세그먼트의 소스 URL 속성에 하나 이상의 베이스 URL 요소 중 임의의 베이스 URL 요소를 사상시킴으로써 세그먼트의 URL들을 생성할 수 있다. 생성된 URL들이 가리키는 세그먼트들은 모두 동일하다.
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公开(公告)号:KR101336578B1
公开(公告)日:2013-12-03
申请号:KR1020120062054
申请日:2012-06-11
Applicant: 한국항공대학교산학협력단
IPC: H04N19/59
CPC classification number: H04N19/593 , H04N19/11 , H04N19/159 , H04N19/176
Abstract: The present invention relates to a most probable mode (MPM) inducing method which is used for encoding/decoding a prediction mode in a screen in a video encoding method. The prediction method of a prediction mode in a screen according to the present invention comprises the steps of (a) inducing an MPM using a most probable mode inducing unit and (b) encoding or decoding the induced MPM or a prediction unit in the screen of a current prediction unit using encoding/decoding units, wherein when two or more MPMs are induced from a neighboring prediction unit, two or more MPMs on a certain prediction unit in an LCU are induced in the (a) step, and wherein the prediction units except for the certain prediction unit in the LCU share two or more MPMs on the certain prediction unit. [Reference numerals] (210) Same phrase encoding/decoding unit;(220) Consistent phrase encoding/decoding unit;(230) Realignment unit;(240) Self-encoding/decoding unit
Abstract translation: 本发明涉及用于在视频编码方法的屏幕中对预测模式进行编码/解码的最可能模式(MPM)诱导方法。 根据本发明的屏幕中的预测模式的预测方法包括以下步骤:(a)使用最可能的模式诱导单元诱导MPM,以及(b)编码或解码在屏幕中的感应MPM或预测单元 使用编码/解码单元的当前预测单元,其中当从相邻预测单元感应出两个或更多个MPM时,在(a)步骤中诱导LCU中的某个预测单元上的两个或更多个MPM,并且其中预测单元 除了LCU中的某个预测单元在某个预测单元上共享两个或更多个MPM。 (210)相同短语编码/解码单元;(220)一致的短语编码/解码单元;(230)重新对准单元;(240)自编码/解码单元
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公开(公告)号:KR1020130110122A
公开(公告)日:2013-10-08
申请号:KR1020130105559
申请日:2013-09-03
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
CPC classification number: H04N19/56 , H04N19/105 , H04N19/13 , H04N19/139 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/70
Abstract: PURPOSE: A prediction motion vector inducing method and an apparatus using the same are provided to present a vector list configuration method of a candidate prediction motion to improve video encoding/decoding efficiency. CONSTITUTION: A video encoding device (100) includes an entropy encoder (150) which encodes the information about a prediction motion vector used to predict the gap of a prediction object block between candidate prediction motions which are included in a candidate prediction motion vector list, and prediction units (111,120) which create a vector list of the candidate prediction motions by determining the information about a time-based candidate prediction motion vector based on the information about multiple spatial candidate prediction motion vectors. [Reference numerals] (111) Movement prediction unit; (112) Movement compensation unit; (120) Intra prediction unit; (130) Conversion unit; (140) Quantization unit; (150) Entropy encoder; (160) Dequantization unit; (170) Inverse transformation unit; (180) Filter unit; (190) Reference image buffer; (AA) Input image; (BB) Inter; (CC) Intra; (DD) Bit stream
Abstract translation: 目的:提供一种预测运动矢量诱导方法及其使用装置,以提供候选预测运动的矢量列表配置方法,以提高视频编码/解码效率。 视频编码装置(100)包括熵编码器(150),其编码关于预测运动矢量的信息,所述预测运动矢量用于预测候选预测运动矢量列表中包括的候选预测运动之间的预测对象块的间隙, 以及基于关于多个空间候选预测运动矢量的信息确定关于基于时间的候选预测运动矢量的信息来创建候选预测运动的向量列表的预测单元(111,120)。 (附图标记)(111)运动预测单元; (112)运动补偿单位; (120)内部预测单元; (130)转换单位; (140)量化单位; (150)熵编码器; (160)去量化单元; (170)逆变换单元; (180)过滤单元; (190)参考图像缓冲器; (AA)输入图像; (BB)国际; (CC)内 (DD)位流
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公开(公告)号:KR101285058B1
公开(公告)日:2013-07-10
申请号:KR1020120102674
申请日:2012-09-17
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N21/234
CPC classification number: H04L65/60 , G06Q90/00 , H04L65/4069 , H04L65/4084 , H04L65/80 , H04L67/02 , H04N21/6125
Abstract: 미디어 콘텐츠에 대한 메타데이터를 사용하는 적응형 HTTP 스트리밍 서비스를 위한 방법 및 장치가 개시된다. 미디어 콘텐츠는 하나 이상의 주기들의 일련으로 구성된다. 메타데이터는 각 주기의 시작 시각 속성 및/또는 지속시간 속성을 포함할 수 있다. 메타데이터는 각 주기의 시작 시간 및 상기 주기가 포함하는 세그먼트들의 시작 시각을 결정한다. 단말은 각 주기가 포함하는 세그먼트들에 접근하고, 세그먼트들 내에 포함된 미디어 콘텐츠의 데이터를 디코딩 및 렌더링함으로써 미디어 콘텐츠를 재생한다.
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公开(公告)号:KR1020120139608A
公开(公告)日:2012-12-27
申请号:KR1020120065076
申请日:2012-06-18
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/184 , H04N19/70
CPC classification number: H04N19/184 , H04N19/46 , H04N19/70
Abstract: PURPOSE: A method for encoding and decoding a video and a device using the same are provided minimize a signaling overhead by inserting bit depth information into blocks to be encoded and predicting the information from an upper level value or a surrounding value. CONSTITUTION: An encoding device determines a bit depth reference value per a sample for a PCM(Pulse Code Modulation) mode(S310). The encoding device determines a bit depth value per a sample of a block to which the PCM mode is applied(S320). The encoding device signals information about the bit depth value per a sample(S330). [Reference numerals] (S310) Determining a reference value of bit depth per sample for a PCM mode; (S320) Determining a bit depth value per PCM sample of a PCM mode target block; (S330) Signaling information about the determined bit depth value per sample
Abstract translation: 目的:通过将比特深度信息插入到要编码的块中并且从上位值或周围值预测信息,可以使视频和使用其的设备的编码和解码方法最小化信令开销。 构成:编码装置确定PCM(脉冲编码调制)模式的每个样本的位深度参考值(S310)。 编码装置确定应用PCM模式的块的样本的比特深度值(S320)。 编码装置发送关于每个样本的比特深度值的信息(S330)。 (参考号)(S310)确定PCM模式的每个样本的比特深度的参考值; (S320)确定PCM模式目标块的每个PCM采样的位深度值; (S330)关于每个样本确定的位深度值的信令信息
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公开(公告)号:KR1020120122994A
公开(公告)日:2012-11-07
申请号:KR1020120102673
申请日:2012-09-17
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
CPC classification number: H04N21/4355 , H04L29/06489
Abstract: PURPOSE: An apparatus and a method for providing streaming contents are provided to generate an URL(uniform resource locator) of a segment by mapping any base URL elements from one or more base URL elements with a source URL attribute of the segment. CONSTITUTION: A server(110) can host DASH(dynamic adaptive streaming over HTTP) segments. A terminal(100) receives meta data(120) of a media from the server. The meta data includes the base URL element. The terminal processes the received meta data(130). The terminal extracts information provided through the meta data or the information included in the meta data. The terminal accesses the segment of the media based on the information provided through the meta data(140,150). [Reference numerals] (100) Terminal; (110) Server; (120) Meta data; (130) Meta data processing; (140) Segment request; (150) Segment transmission; (160) Decoding and rendering
Abstract translation: 目的:提供一种用于提供流内容的装置和方法,以通过将来自一个或多个基本URL元素的任何基本URL元素与该片段的源URL属性进行映射来生成片段的URL(统一资源定位符)。 构成:服务器(110)可以托管DASH(基于HTTP的动态自适应流)段。 终端(100)从服务器接收媒体的元数据(120)。 元数据包括基本URL元素。 终端处理所接收的元数据(130)。 终端提取通过元数据提供的信息或包含在元数据中的信息。 终端基于通过元数据提供的信息来访问媒体的片段(140,150)。 (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; (150)段传输; (160)解码和渲染
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公开(公告)号:KR1020120060733A
公开(公告)日:2012-06-12
申请号:KR1020110089923
申请日:2011-09-06
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
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: PURPOSE: An apparatus and a method for providing streaming contents are provided to generate an URL of a segment by mapping any base URL elements from one or more base URL elements with source URL attributes of the segment. CONSTITUTION: A terminal(100) receives meta data(120) for a media from a server(110). The server transmits meta data for the media to the terminal. The terminal processes received meta data(130). The terminal can extract information provided from the meta data or information included in the meta data. The terminal accesses a segment of the media based on the information provided from the meta data(140,150). The terminal reproduces the media by decoding and rendering data of the media included in the segment(160).
Abstract translation: 目的:提供用于提供流内容的装置和方法,以通过将来自一个或多个基本URL元素的任何基本URL元素与该片段的源URL属性进行映射来生成片段的URL。 构成:终端(100)从服务器(110)接收媒体的元数据(120)。 服务器将媒体的元数据发送到终端。 终端处理接收的元数据(130)。 终端可以提取从元数据提供的信息或包含在元数据中的信息。 终端基于从元数据(140,150)提供的信息来访问媒体的片段。 终端通过解码和呈现包括在片段(160)中的媒体的数据来再现媒体。
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公开(公告)号:KR1020120042808A
公开(公告)日:2012-05-03
申请号:KR1020120030037
申请日:2012-03-23
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N21/234 , H04L29/06
CPC classification number: H04N21/234 , H04L29/06047 , H04L29/06517
Abstract: PURPOSE: A streaming content supplying apparatus and a method thereof are provided to analyze a URL of a segment by using a base URL element. CONSTITUTION: A terminal(100) receives metadata of media. The metadata includes one or more base URL(Uniform Resource Locator) elements. The terminal requests a segment of media by using the URL of the segment. The URL is analyzed about the base URL element. The terminal receives the segment. The terminal performs decoding and rendering of media data within the segment.
Abstract translation: 目的:提供流内容提供装置及其方法,以通过使用基本URL元素来分析段的URL。 构成:终端(100)接收媒体元数据。 元数据包括一个或多个基本URL(统一资源定位符)元素。 终端通过使用段的URL来请求一段媒体。 对URL的基本URL元素进行了分析。 终端接收该段。 终端执行片段内的媒体数据的解码和呈现。
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公开(公告)号:KR102110230B1
公开(公告)日:2020-05-13
申请号:KR1020190080702
申请日:2019-07-04
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/11 , H04N19/105 , H04N19/593 , H04N19/124 , H04N19/70 , H04N19/176 , H04N19/186
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