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公开(公告)号：US20160241866A1
公开(公告)日：2016-08-18
申请号：US15027101
申请日：2014-10-07
Inventor： Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/46 , H04N19/70 , H04N19/196 , H04N19/187 , H04N19/177 , H04N19/30 , H04N19/44
CPC classification number: H04N19/187 , H04N19/107 , H04N19/157 , H04N19/30 , H04N19/503
Abstract: A method of decoding a bistream comprising a plurality of layers according to the present invention includes setting parameters for decoding the bitstream from a random access point when random access occurs, and decoding a decoding target picture, wherein the setting of the parameters includes setting an initialization flag indicating whether the decoding target picture, that is an intra random access point (IRAP) picture, is output by correctly decoding all reference layers of a target layer including the decoding target picture when the random access occurs; setting a flag variable (NoRaslOutputFlag) indicating whether the decoding target picture is used as a random access point; and resetting the initialization flag when the decoding target picture is an IRAP picture and the flag variable is 1.
Abstract translation: 根据本发明的包括多个层的双向数据包的解码方法包括当随机访问发生时从随机接入点设置用于解码比特流的参数，以及对解码目标图像进行解码，其中参数的设置包括设置初始化 指示当随机访问发生时通过正确地解码包括解码目标图像的目标层的所有参考层来输出解码对象图像（即，内部随机接入点（IRAP））图像的输出; 设置指示解码对象图像是否用作随机接入点的标志变量（NoRaslOutputFlag）; 并且当解码目标图像是IRAP图像并且标志变量为1时，复位初始化标志。
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242.发明申请METHOD AND APPARATUS FOR PREDICTING INTER-LAYER BASED ON TEMPORAL SUB-LAYER INFORMATION 有权基于时间分层信息预测层间的方法和装置公开(公告)号：US20160119632A1
公开(公告)日：2016-04-28
申请号：US14650673
申请日：2014-07-15
Inventor： Ha Hyun LEE , Jin Ho LEE , Jung Won KANG , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/31 , H04N19/187 , H04N19/184 , H04N19/51 , H04N19/44
CPC classification number: H04N19/31 , H04N19/105 , H04N19/157 , H04N19/172 , H04N19/184 , H04N19/187 , H04N19/44 , H04N19/463 , H04N19/51 , H04N19/70
Abstract: The present invention relates to a method for predicting an inter-layer of an image having a plurality of layers including at least one temporal sub-layer. The method according to present invention comprises the steps of: acquiring information on a temporal sub-layer for inter-layer prediction; inducing a reference picture used for predicting an inter-layer of a current picture on the basis of the information on the temporal sub-layer; and predicting the inter-layer of the current picture on the basis of the reference picture.
Abstract translation: 本发明涉及一种用于预测具有包括至少一个时间子层的多个层的图像的层之间的方法。 根据本发明的方法包括以下步骤：获取用于层间预测的时间子层的信息; 基于关于时间子层的信息，引导用于预测当前图像的层间的参考图像; 并基于参考图片预测当前图像的层间。
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243.发明申请公开(公告)号：US20150103912A1
公开(公告)日：2015-04-16
申请号：US14511333
申请日：2014-10-10
Inventor： Ha Hyun LEE , Jung Won KANG , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/577
CPC classification number: H04N19/577 , H04N19/105 , H04N19/159 , H04N19/172 , H04N19/30 , H04N19/46 , H04N19/52 , H04N19/573 , H04N19/58
Abstract: Disclosed are a method and apparatus for video encoding/decoding based on a multi-layer. The method for video decoding to support a plurality of layers, includes: decoding Picture Order Count (POC) reset information indicating whether a POC value of a current picture is reset to 0; calculating the POC value of the current picture and respective POC values of a long-term reference picture and a short-term reference picture in a decoded picture buffer (DPB) referred by the current picture; and configuring a Reference Picture Set (RPS) for inter-prediction of the current picture based on the POC value of the long-term reference picture and the POC value of the short-term reference picture.
Abstract translation: 公开了一种基于多层视频编码/解码的方法和装置。 用于支持多个层的视频解码方法包括：解码指示当前图像的POC值是否被重置为0的图像顺序计数（POC）复位信息; 计算当前图片的POC值和当前图片所引用的解码图像缓冲器（DPB）中的长期参考图像和短期参考图像的相应POC值; 以及基于长期参考图像的POC值和短期参考图像的POC值来配置用于当前图像的帧间预测的参考图像集（RPS）。
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公开(公告)号：US20150010083A1
公开(公告)日：2015-01-08
申请号：US14324974
申请日：2014-07-07
Inventor： Ha Hyun LEE , Jung Won KANG , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/583 , H04N19/196 , H04N19/82 , H04N19/51
CPC classification number: H04N19/187 , H04N19/105 , H04N19/30
Abstract: A video decoding method according to an embodiment of the present invention may include decoding information on a first-layer picture to which a second-layer picture as a decoding target refers; generating information on a base inter-layer reference picture using the information on the first-layer picture; generating information on an enhanced inter-layer reference picture using the information on the first-layer picture, the information on the base inter-layer reference picture and information on the second-layer picture; and generating a reference picture list used for inter prediction of the second-layer picture using the information on the base inter-layer reference picture, the information on the enhanced inter-layer reference picture and the information on the second-layer picture.
Abstract translation: 根据本发明的实施例的视频解码方法可以包括对作为解码目标的第二层图像所参照的第一层图像的解码信息; 使用关于第一层图像的信息在基础层间参考图像上生成信息; 使用关于第一层图像的信息，关于基础层间参考图像的信息和关于第二层图像的信息来生成关于增强的层间参考图像的信息; 以及使用关于基础层间参考图像的信息，关于增强的层间参考图像的信息和关于第二层图像的信息来生成用于第二层图像的帧间预测的参考图像列表。
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公开(公告)号：US20140281013A1
公开(公告)日：2014-09-18
申请号：US14247697
申请日：2014-04-08
Applicant: Electronics and Telecommunications Research Institute , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
Inventor： Truong Cong THANG , Jin Young LEE , Seong Jun BAE , Jung Won KANG , Soon Heung JUNG , Sang Taick PARK , Won RYU , Jae Gon KIM
CPC classification number: H04L65/608 , H04L65/4092 , H04L65/60 , H04L65/602 , H04L65/80 , H04L67/02
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: 提供了使用媒体内容的元数据的适应性超文本传输协议（HTTP）流传输服务的方法和装置。 媒体内容可以包括一个或多个周期的序列。 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和每个周期中包括的每个段的开始时间。 终端可以访问包括在每个周期中的段，可以解码和呈现包括在段中的媒体内容的数据，并且可以播放媒体内容。
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Patent Agency Ranking
公开(公告)号：US20140122739A1
公开(公告)日：2014-05-01
申请号：US14146500
申请日：2014-01-02
Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY , Electronics and Telecommunications Research Institute
Inventor： Truong Cong THANG , Jin Young LEE , Seong Jun BAE , Jung Won KANG , Soon Heung JUNG , Sang Taick PARK , Won RYU , Jae Gon KIM
IPC: H04L29/06
CPC classification number: H04L67/02 , H04L29/06027 , H04L65/4084 , H04L65/607 , H04L65/608 , H04N21/23439 , H04N21/26258 , H04N21/4305 , H04N21/47202 , H04N21/6125 , H04N21/6175 , H04N21/6581 , H04N21/84 , H04N21/8543
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.
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。 元数据可以包括一个或多个BaseURL元素。 可以基于BaseURL元素生成形成介质的段的统一资源定位符（URL）。 另外，可以通过将BaseURL元素中的BaseURL元素映射到该段的sourceURL属性来生成段的URL。 生成的URL指示的段可能相同。
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公开(公告)号：US20250071271A1
公开(公告)日：2025-02-27
申请号：US18929071
申请日：2024-10-28
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Jung Won KANG , Ha Hyun LEE , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM , Gwang Hoon PARK , Tae Hyun KIM , Dae Young LEE , Woo Woen GWUN , Won Jun LEE
IPC: H04N19/11 , H04N19/105 , H04N19/159 , H04N19/176 , H04N19/184
Abstract: An image encoding/decoding method and apparatus is provided. The method of decoding an image includes decoding at least one of prediction mode information of a neighbor block of a current block and length information of the current block, deriving an intra prediction mode of the current block into a predetermined mode using the decoded information, and reconstructing the current block based on the intra prediction mode of the current block.
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公开(公告)号：US20250063181A1
公开(公告)日：2025-02-20
申请号：US18938538
申请日：2024-11-06
Inventor： Ha Hyun LEE , Jung Won KANG , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/187 , H04N19/105 , H04N19/176 , H04N19/31 , H04N19/33 , H04N19/463 , H04N19/52 , H04N19/70
Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
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公开(公告)号：US20250039399A1
公开(公告)日：2025-01-30
申请号：US18916567
申请日：2024-10-15
Inventor： Ha Hyun LEE , Jung Won KANG , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM
IPC: H04N19/139 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/593
Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may include: determining a position of a co-located block of a current block within a co-located picture (co-located picture); determining a representative motion vector of the current block by using motion information at the position of the co-located block; and deriving motion information on a sub-block included in the current block by using the representative motion vector.
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公开(公告)号：US20240406398A1
公开(公告)日：2024-12-05
申请号：US18799371
申请日：2024-08-09
Inventor： Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Hui Yong KIM , Dae Yeon KIM , Wook Je JEONG , Hyun Gyu KIM
IPC: H04N19/13 , H04N19/176 , H04N19/70
Abstract: An image decoding method is disclosed in the present specification. A method of decoding an image, the method may comprises determining whether to perform a context update for a first syntax element of a current block, updating, on the basis of the determination, a context for entropy decoding of the first syntax element and generating, on the basis of the updated context, a bin for the first syntax element, and wherein whether to perform the context update is determined on the basis of the number of pre-decoded predetermined syntax elements for the current block.
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