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公开(公告)号：KR1020150095254A
公开(公告)日：2015-08-21
申请号：KR1020140016351
申请日：2014-02-13
Applicant: 한국전자통신연구원
IPC: H04N19/105 , H04N19/107 , H04N19/114 , H04N19/573 , H04N19/109
CPC classification number: H04N19/105 , H04N19/107 , H04N19/109 , H04N19/114 , H04N19/573
Abstract: 영상 부호화에서의 화면 내 예측 생략 방법이 개시된다. 상기 방법은 화면 내 예측을 수행할 현재 블록에 대한 주변 블록을 결정하는 단계 및 상기 주변 블록의 예측 모드 정보, 상기 주변 블록의 부호화 비용 정보, 및 상기 현재 블록과 상기 주변 블록 간의 경계에 위치한 경계 화소에 대한 연관성 정보 중 적어도 하나를 이용하여 상기 현재 블록에 대한 화면 내 예측을 생략할지 여부를 판단하는 단계를 포함한다.
Abstract translation: 公开了一种视频编码中的画面内预测跳过方法。 屏幕内预测跳过方法包括以下步骤：确定相邻块以针对当前块执行画面内预测; 并且基于来自相邻块的预测模式信息，相邻块的编码成本信息和关于位于相邻块的边界像素的关系信息中的至少一个，确定是否应当跳过关于当前块的屏幕内预测 当前块和相邻块之间的边界。
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公开(公告)号：KR1020140131487A
公开(公告)日：2014-11-13
申请号：KR1020140125870
申请日：2014-09-22
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N21/2381 , H04N21/235
CPC classification number: H04N21/2381 , H04N21/235 , H04N21/23805 , H04N21/2401 , H04N21/2662 , H04N21/6543
Abstract: Disclosed are a method and an apparatus for an adaptive HTTP streaming service using metadata of content. The metadata includes a minimum buffer time attribute indicating a minimum amount of initially buffered media content. A terminal receives content from a server before playing the content, and buffers the content by at least the minimum amount. The metadata includes a range attribute designating a range of a target indicated by a URL. The terminal receives bytes designated by the range attribute from the URL, and plays the content using the received bytes.
Abstract translation: 公开了使用内容的元数据的适应性HTTP流服务的方法和装置。 元数据包括指示最初缓冲的媒体内容的最小量的最小缓冲时间属性。 终端在播放内容之前从服务器接收内容，并且将内容缓冲至少最小量。 元数据包括指定由URL指示的目标的范围的范围属性。 终端从URL接收由range属性指定的字节，并使用接收的字节播放内容。
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公开(公告)号：KR1020140104064A
公开(公告)日：2014-08-28
申请号：KR1020130016448
申请日：2013-02-15
Applicant: 한국전자통신연구원
CPC classification number: H04N19/103 , H04N19/147 , H04N19/176 , H04N19/593
Abstract: Disclosed are a method and an apparatus for determining a coding mode. The method for determining a code mode includes the steps of: predicting a value of a distortion and an amount of bits generated when being coded in a current coding block (CB) in a candidate coding mode to estimate a rate-distortion (RD) cost; comparing the minimum RD cost produced based on the current CB with the estimated RD cost to determine whether a coding operation with respect to the candidate coding mode is omitted; and determining a final coding mode of the current coding block based on the minimum RD cost.
Abstract translation: 公开了一种用于确定编码模式的方法和装置。 用于确定代码模式的方法包括以下步骤：在候选编码模式中，预测在当前编码块（CB）中被编码时的失真的值和产生的位数，以估计速率失真（RD）成本 ; 将基于当前CB产生的最小RD成本与估计RD成本进行比较，以确定是否省略相对于候选编码模式的编码操作; 以及基于最小RD成本确定当前编码块的最终编码模式。
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公开(公告)号：KR1020140058719A
公开(公告)日：2014-05-15
申请号：KR1020120124042
申请日：2012-11-05
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N21/42623 , H04N19/44 , H04N21/44008
Abstract: A bitstream analyzer is disclosed. The bitstream analyzer comprises: an analysis unit for receiving at least two encoded bitstreams, and analyzing encoding information and statistic information on each of at least two received encoded bitstreams; a comparison unit for comparing a difference between at least two encoded bitstreams based on each analysis result of at least two encoded bitstreams; and a GUI for outputting the analysis result by the analysis unit and the comparison result by the comparison unit, wherein the GUI outputs each analysis result of at least two encoded bitstreams in a split screen method at the same time, and outputs a difference between at least two encoded bitstreams as a graph.
Abstract translation: 公开了比特流分析器。 比特流分析器包括：分析单元，用于接收至少两个编码比特流，并且分析关于至少两个接收的编码比特流中的每一个的编码信息和统计信息; 比较单元，用于基于至少两个编码比特流的每个分析结果来比较至少两个编码比特流之间的差异; 以及GUI，用于通过分析单元输出分析结果和比较单元的比较结果，其中，GUI以分屏方式同时输出至少两个编码比特流的每个分析结果，并输出在 至少两个编码比特流作为图形。
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公开(公告)号：KR101366437B1
公开(公告)日：2014-02-27
申请号：KR1020110088325
申请日：2011-09-01
Applicant: 한국전자통신연구원
CPC classification number: H04L65/60 , H04L65/4084 , H04L67/2804 , H04N21/23439 , H04N21/2393 , H04N21/25825 , H04N21/26258 , H04N21/64322 , H04N21/6437 , H04N21/6582 , H04N21/8456
Abstract: 콘텐츠에 대한 메타데이터를 사용하는 적응형 HTTP 스트리밍 서비스를 위한 방법 및 장치가 개시된다. 콘텐츠의 메타데이터는 일반 미디어 정보 또는 특유 미디어 정보를 통해 단말의 사용 목적에 맞게 효율적으로 분할되어 단말로 전송될 수 있다. 그룹은 콘텐츠의 하나 이상의 레프리젠테이션들을 포함한다. 메타데이터는 그룹 요소를 포함하며, 그룹 요소는 그룹에 포함되는 하나 이상의 레프리젠테이션들의 속성들에 대한 요약을 제공한다.
Abstract translation: 提供了一种使用内容元数据的自适应超文本传输协议（HTTP）流传输服务的方法和装置。 可以基于一般媒体信息或特定媒体信息，为了使用终端的目的而有效地划分内容的元数据，并且可以将其发送到终端。 组可以包括内容的一个或多个表示。 元数据可以包括组元素，并且组元素可以提供组中包括的一个或多个表示的属性的摘要。
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Patent Agency Ranking
公开(公告)号：KR1020140022122A
公开(公告)日：2014-02-21
申请号：KR1020120088018
申请日：2012-08-10
Applicant: 한국전자통신연구원
IPC: H04N19/50
CPC classification number: H04N19/00896 , H04N19/103 , H04N19/147 , H04N19/176 , H04N19/82
Abstract: The present invention provides a video encoding method using rate-distortion optimization. According to the video encoding method, a more accurate optimum encoding mode can be obtained by using the rate-distortion optimization with respect to an image output from an in-loop filter instead of using the rate-distortion optimization prior to the in-loop filter of a video encoding apparatus, and video encoding efficiency can be improved by reducing the bit rate required for reducing the difference between a finally decoded restoration image and an original image. [Reference numerals] (102) Intra-prediction unit; (104) Motion compensation unit; (106) Motion prediction unit; (110) Transformation unit; (112) Quantization unit; (114) Inverse quantization unit; (116) Inverse transformation unit; (120) In-loop filter; (122) Reference image buffer; (124) Entropy encoding unit; (AA) Input image; (BB) Intra; (CC) Inter; (DD) Output bit stream
Abstract translation: 本发明提供一种使用速率失真优化的视频编码方法。 根据视频编码方法，通过使用相对于从环路滤波器输出的图像的速率失真优化，可以获得更准确的最佳编码模式，而不是在环路滤波之前使用速率失真优化 的视频编码设备，并且可以通过减少减少最终解码的恢复图像和原始图像之间的差异所需的比特率来提高视频编码效率。 （102）内部预测单元; （104）运动补偿单元; （106）运动预测单元; （110）转换单元; （112）量化单元; （114）逆量化单元; （116）逆变换单元; （120）环路滤波器; （122）参考图像缓冲器; （124）熵编码单元; （AA）输入图像; （BB）内 （CC）国际 （DD）输出位流
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公开(公告)号：KR1020130112374A
公开(公告)日：2013-10-14
申请号：KR1020120034691
申请日：2012-04-04
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/194 , H04N19/11 , H04N19/147 , H04N19/15 , H04N19/176
Abstract: PURPOSE: An image encoding device for high speed prediction and a device thereof are provided to improve a processing speed of intra prediction. CONSTITUTION: An intra prediction unit calculates each Sum of Absolute Transform Difference (SATD)-based encoding cost of a plurality of intra prediction modes for a current prediction unit. The intra prediction unit determines one or more first candidate encoding modes for the current prediction unit based on the SATD-based encoding cost (S310). The intra prediction unit determines a final encoding mode among the first candidate encoding modes (S320). [Reference numerals] (S310) Determine a first candidate encoding mode; (S320) Determine a final encoding mode; (S330) Determine the size of a conversion unit; (S340) Encode
Abstract translation: 目的：提供一种用于高速预测的图像编码装置及其装置，以提高帧内预测的处理速度。 构成：帧内预测单元计算当前预测单元的多个帧内预测模式的基于绝对变换差（SATD）的编码成本的总和。 帧内预测单元基于基于SATD的编码成本来确定当前预测单元的一个或多个第一候选编码模式（S310）。 帧内预测单元确定第一候选编码模式中的最终编码模式（S320）。 （参考数字）（S310）确定第一候选编码模式; （S320）确定最终编码模式; （S330）确定转换单元的大小; （S340）编码
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公开(公告)号：KR1020130107861A
公开(公告)日：2013-10-02
申请号：KR1020120029999
申请日：2012-03-23
Applicant: 한국전자통신연구원
CPC classification number: H04N19/503 , H04N19/30 , H04N19/33 , H04N19/59 , H04N19/593
Abstract: PURPOSE: An interlayer intra prediction method and an apparatus thereof perform interlayer intra prediction by using intra prediction data of a periphery block, thereby improving encoding efficiency. CONSTITUTION: A layer determining unit (910) determines a reference layer for interlayer intra prediction. The layer determining unit selects a candidate layer of the highest layer as the reference layer. A prediction data generator (920) produces intra prediction data from the reference layer. The prediction data generator produces intra prediction data based on an intra-predicted co-located block among front-to-back frames of the reference frame. An intra prediction part (930) performs interlayer prediction about a current block based on the intra prediction data. [Reference numerals] (910) Layer determining unit; (920) Prediction data generator; (930) Intra prediction part
Abstract translation: 目的：一种层间帧内预测方法及其装置，通过使用周边块的帧内预测数据进行层间帧内预测，从而提高编码效率。 构成：层确定单元（910）确定用于层间帧内预测的参考层。 层确定单元选择最高层的候选层作为参考层。 预测数据生成器（920）从参考层产生帧内预测数据。 预测数据生成器基于参考帧的前后帧之中的帧内预测的同位置块来生成帧内预测数据。 帧内预测部（930）基于帧内预测数据进行关于当前块的层间预测。 （附图标记）（910）层确定单元; （920）预测数据发生器; （930）帧内预测部分
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公开(公告)号：KR101206698B1
公开(公告)日：2012-11-30
申请号：KR1020110100706
申请日：2011-10-04
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
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: A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content.
Abstract translation: 提供了一种使用媒体内容的元数据的自适应超文本传输协议（HTTP）流式传输服务的方法和装置。 媒体内容可以包括一个或多个时段的序列。 元数据可以包括每个周期的开始时间属性和/或持续时间属性。 元数据可以确定每个周期的开始时间以及每个周期中包括的每个片段的开始时间。 终端可以访问包括在每个时段中的段，可以解码并呈现包括在段中的媒体内容的数据，并且可以回放媒体内容。
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公开(公告)号：KR1020120042807A
公开(公告)日：2012-05-03
申请号：KR1020120029956
申请日：2012-03-23
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N21/234 , H04L29/06
CPC classification number: H04L65/60 , G06Q90/00 , H04L65/4069 , H04L65/4084 , H04L65/80 , H04L67/02 , H04N21/6125 , H04N21/234 , H04L29/06 , H04L65/4092 , H04L65/608
Abstract: PURPOSE: A streaming content supplying method and an apparatus thereof are provided to use segments to reproduce media content by rendering and decoding data of media content within segments. CONSTITUTION: A terminal(100) receives metadata of media including one or more cycles. A server(110) performs the parsing of the media. The server extracts a data part which is suitable for a requested segment. The terminal accesses segments of the media based on information which metadata supplies. The terminal performs decoding and rendering of media data within the segment.
Abstract translation: 目的：提供流式传输内容提供方法及其装置，以便通过在片段内呈现和解码媒体内容的数据来使用片段来再现媒体内容。 构成：终端（100）接收包括一个或多个周期的媒体元数据。 服务器（110）执行媒体的解析。 服务器提取适合于所请求段的数据部分。 终端根据元数据提供的信息来访问媒体部分。 终端执行片段内的媒体数据的解码和呈现。
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