公开(公告)号：US09350970B2

公开(公告)日：2016-05-24

申请号：US14104095

申请日：2013-12-12

Applicant: QUALCOMM Incorporated

Inventor： Jewon Kang ,  Ying Chen ,  Li Zhang ,  Marta Karczewicz

IPC: H04N7/12 ,  H04N13/00 ,  H04N19/597 ,  H04N19/105 ,  H04N19/52 ,  H04N19/176 ,  H04N19/593 ,  H04N19/11 ,  H04N19/156 ,  H04N19/44 ,  H04N19/55

CPC classification number: H04N13/128 ,  H04N19/105 ,  H04N19/11 ,  H04N19/156 ,  H04N19/176 ,  H04N19/44 ,  H04N19/52 ,  H04N19/55 ,  H04N19/593 ,  H04N19/597

Abstract: A device performs a disparity vector derivation process to determine a disparity vector for a current block. As part of performing the disparity vector derivation process, when either a first or a second spatial neighboring block has a disparity motion vector or an implicit disparity vector, the device converts the disparity motion vector or the implicit disparity vector to the disparity vector for the current block. The number of neighboring blocks that is checked in the disparity vector derivation process is reduced, potentially resulting in decreased complexity and memory bandwidth requirements.

Abstract translation: 设备执行视差矢量导出处理以确定当前块的视差矢量。 作为执行视差矢量导出处理的一部分，当第一或第二空间相邻块具有视差运动矢量或隐式视差向量时，装置将视差运动矢量或隐式视差矢量转换为电流的视差矢量 块。 在视差向量导出过程中检查的相邻块的数量减少，潜在地导致复杂度降低和存储器带宽需求降低。

公开(公告)号：US09332255B2

公开(公告)日：2016-05-03

申请号：US13924016

申请日：2013-06-21

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Ye-Kui Wang ,  Rajan Laxman Joshi ,  Ying Chen

IPC: H04N19/00 ,  H04N19/196 ,  H04N19/44 ,  H04N19/58 ,  H04N19/70 ,  H04N19/463 ,  H04N19/573

CPC classification number: H04N19/44 ,  H04N19/196 ,  H04N19/463 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70

Abstract: A video decoder may be configured to decode a first value representative of a difference between a base most significant bits (MSBs) value of a picture order count (POC) value of a current picture of video data and a first MSBs value of a first POC value of a first long-term reference picture of the video data, decode a second value representative of a difference between a second MSBs value of a second POC value of a second long-term reference picture of the video data and the first MSBs value, wherein the first POC value and the second POC value have different least significant bits values, and decode at least a portion of a current picture of the video data relative to at least one of the first long-term reference picture and the second long-term reference picture.

Abstract translation: 视频解码器可以被配置为对表示视频数据的当前图像的图像顺序计数（POC）值的最基本最高有效位（POC）值与第一POC的第一MSB值之间的差的第一值进行解码 视频数据的第一长期参考图像的值，对表示视频数据的第二长期参考图片的第二POC值的第二MSB值与第一MSB值之间的差的第二值进行解码， 其中所述第一POC值和所述第二POC值具有不同的最低有效位值，并且相对于所述第一长期参考图片和所述第二长期参考图片中的至少一个来解码所述视频数据的当前图片的至少一部分 参考图片。

公开(公告)号：US20160050419A1

公开(公告)日：2016-02-18

申请号：US14777212

申请日：2013-03-22

Applicant: Xin ZHAO ,  Li ZHANG ,  Ying CHEN ,  Marta KARCZEWICZ ,  QUALCOMM INCORPORATED

Inventor： Xin Zhao ,  Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N19/176 ,  H04N19/597 ,  H04N19/44 ,  H04N19/169

CPC classification number: H04N19/176 ,  H04N19/1887 ,  H04N19/44 ,  H04N19/597

Abstract: In an example, a process for coding video data includes coding, with a variable length code, a syntax element indicating depth modeling mode (DMM) information for coding a depth block of video data. The process also includes coding the depth block based on the DMM information.

Abstract translation: 在一个示例中，用于编码视频数据的过程包括用可变长度代码编码指示用于对视频数据的深度块进行编码的深度建模模式（DMM）信息的语法元素。 该过程还包括基于DMM信息对深度块进行编码。

公开(公告)号：US09258559B2

公开(公告)日：2016-02-09

申请号：US13720622

申请日：2012-12-19

Applicant: Qualcomm Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang ,  Li Zhang

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N13/00 ,  H04N15/00 ,  H04N19/50 ,  H04N19/597

CPC classification number: H04N19/50 ,  H04N13/161 ,  H04N13/349 ,  H04N19/124 ,  H04N19/44 ,  H04N19/597 ,  H04N19/91

Abstract: A video encoder generates, based on a reference picture set of a current view component, a reference picture list for the current view component. The reference picture set includes an inter-view reference picture set. The video encoder encodes the current view component based at least in part on one or more reference pictures in the reference picture list. In addition, the video encoder generates a bitstream that includes syntax elements indicating the reference picture set of the current view component. A video decoder parses, from the bitstream, syntax elements indicating the reference picture set of the current view component. The video decoder generates, based on the reference picture set, the reference picture list for the current view component. In addition, the video decoder decodes at least a portion of the current view component based on one or more reference pictures in the reference picture list.

公开(公告)号：US20160021375A1

公开(公告)日：2016-01-21

申请号：US14800498

申请日：2015-07-15

Applicant: QUALCOMM Incorporated

Inventor： Fnu Hendry ,  Ying Chen

IPC: H04N19/146 ,  H04N19/70 ,  H04N19/42 ,  H04N19/184 ,  H04N19/12

CPC classification number: H04N19/70 ,  H04N19/12 ,  H04N19/146 ,  H04N19/184 ,  H04N19/187 ,  H04N19/31 ,  H04N19/42 ,  H04N21/234381 ,  H04N21/236 ,  H04N21/440281

Abstract: A video processing device may obtain, from a descriptor for a program comprising one or more elementary streams, a plurality of profile, tier, level (PTL) syntax element sets. The video processing device may obtain, from the descriptor, a plurality of operation point syntax element sets. For each respective operation point syntax element set of the plurality of operation point syntax element sets, the video processing device may determine, for each respective layer of the respective operation point specified by the respective operation point syntax element set, based on a respective syntax element in the respective operation point syntax element set, which of the PTL syntax element sets specifies the PTL information assigned to the respective layer, the respective operation point having a plurality of layers.

Abstract translation: 视频处理设备可以从包括一个或多个基本流的节目的描述符获得多个简档，层级（PTL）语法元素集合。 视频处理设备可以从描述符获得多个操作点语法元素集合。 对于多个操作点语法元素集合的每个相应的操作点语法元素集合，视频处理设备可以基于相应的语法元素来确定由各个操作点语法元素集合指定的各个操作点的每个相应层 在相应的操作点语法元素集合中，哪个PTL语法元素集合指定分配给各个层的PTL信息，各个操作点具有多个层。

公开(公告)号：US20150358382A1

公开(公告)日：2015-12-10

申请号：US14741057

申请日：2015-06-16

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Marta Karczewicz

IPC: H04L29/06 ,  H04N19/70

CPC classification number: H04N21/8455 ,  G11B27/007 ,  G11B27/105 ,  G11B27/3027 ,  H04N19/70

Abstract: This disclosure describes techniques relevant to HTTP streaming of media data. According to these techniques, a server device may signal an open decoding refresh (ODR) random access point (RAP) for a movie segmentation of a movie representation. At least one frame of the media segmentation following the ODR RAP frame in decoding order may not be correctly decoded, and wherein each frame of the media segmentation following the ODR RAP frame in display order can be correctly decoded without relying on content of frames prior to the ODR RAP in display order. According to the techniques of this disclosure, a client device may communicate a request to a server device for the streaming of media data based on signaling of the ODR RAP. Also according to the techniques of this disclosure, a client device may commence decoding and/or playback of the movie representation based on signaling of the ODR RAP.

Abstract translation: 本公开描述了与媒体数据的HTTP流相关的技术。 根据这些技术，服务器设备可以发送用于电影表示的电影分割的开放解码刷新（ODR）随机接入点（RAP）。 以解码顺序在ODR RAP帧之后的媒体分段的至少一帧可能不能被正确解码，并且其中以显示顺序在ODR RAP帧之后的媒体分段的每个帧可以被正确地解码，而不依赖于帧之前的帧的内容 ODR RAP显示顺序。 根据本公开的技术，客户端设备可以基于ODR RAP的信令来向服务器设备传送媒体流媒体数据的请求。 还根据本公开的技术，客户端设备可以基于ODR RAP的信令开始解码和/或播放电影表示。

公开(公告)号：US20150304666A1

公开(公告)日：2015-10-22

申请号：US14689000

申请日：2015-04-16

Applicant: QUALCOMM Incorporated

Inventor： Vadim Seregin ,  Jianle Chen ,  Ye-Kui Wang ,  Ying Chen

IPC: H04N19/187 ,  H04N19/50 ,  H04N19/124 ,  H04N19/167 ,  H04N19/61

CPC classification number: H04N19/187 ,  H04N19/124 ,  H04N19/167 ,  H04N19/176 ,  H04N19/30 ,  H04N19/50 ,  H04N19/61 ,  H04N19/70

Abstract: A system and method for coding a picture in a multi-layer bitstream is disclosed. In one aspect, the method includes encoding at least one layer of the multi-layer bitstream in accordance with a first coding scheme. The multi-layer bitstream may comprise a base layer. The method further includes encoding a conformance window flag and at least one position offset for the picture in a Video Parameter Set (VPS) of the base layer. The conformance window flag may indicate that the VPS comprises the at least one position offset.

Abstract translation: 公开了一种用于对多层比特流中的图像进行编码的系统和方法。 一方面，该方法包括根据第一编码方案对多层比特流的至少一层进行编码。 多层比特流可以包括基本层。 该方法还包括对基本层的视频参数集（VPS）中的一致性窗口标志和图像的至少一个位置偏移进行编码。 一致性窗口标志可以指示VPS包括至少一个位置偏移。

公开(公告)号：US20150271524A1

公开(公告)日：2015-09-24

申请号：US14662071

申请日：2015-03-18

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen

IPC: H04N19/597 ,  H04N19/70 ,  H04N19/52

CPC classification number: H04N19/597 ,  H04N19/30 ,  H04N19/51 ,  H04N19/52 ,  H04N19/70

Abstract: A device for encoding video data includes a memory configured to store video data and a video encoder comprising one or more processors configured to, for a current layer being encoded, determine that the current layer has no direct reference layers, based on determining that the current layer has no direct reference layers, set at least one of a first syntax element, a second syntax element, a third syntax element, or a fourth syntax element to a disabling value indicating that a coding tool corresponding to the syntax element is disabled for the current layer.

Abstract translation: 一种用于编码视频数据的设备包括被配置为存储视频数据的存储器，以及视频编码器，该视频编码器包括一个或多个处理器，该处理器被配置为：对于当前正被编码的层，基于确定当前层 层没有直接参考层，将至少一个第一语法元素，第二语法元素，第三语法元素或第四语法元素设置为指示与语法元素相对应的编码工具被禁用的禁用值 当前层

公开(公告)号：US20150271515A1

公开(公告)日：2015-09-24

申请号：US14592753

申请日：2015-01-08

Applicant: QUALCOMM Incorporated

Inventor： Chao Pang ,  Ying Chen ,  Joel Sole Rojals ,  Marta Karczewicz

IPC: H04N19/513

CPC classification number: H04N19/52 ,  H04N19/593 ,  H04N19/70

Abstract: In various aspects, this disclosure is directed to an example method for decoding video data. The example method includes determining candidate blocks for a block vector prediction process from a subset of candidate blocks used for an advanced motion vector prediction mode or a merge mode for motion vector prediction process; performing the block vector prediction process for a block of video data using the determined candidate blocks; and decoding the block of video data using intra block copy based on the block vector prediction process.

Abstract translation: 在各方面，本公开涉及用于解码视频数据的示例方法。 示例性方法包括从用于高级运动矢量预测模式的候选块的子集或用于运动矢量预测处​​理的合并模式确定用于块矢量预测处​​理的候选块; 使用所确定的候选块对视频数据块执行块向量预测处理; 以及基于块向量预测处理使用块内副本对视频数据块进行解码。

公开(公告)号：US20150271487A1

公开(公告)日：2015-09-24

申请号：US14663155

申请日：2015-03-19

Applicant: QUALCOMM Incorporated

Inventor： Xiang Li ,  Chao Pang ,  Ying Chen ,  Ye-Kui Wang

IPC: H04N19/105 ,  H04N19/573 ,  H04N19/58 ,  H04N19/139 ,  H04N19/176 ,  H04N19/159

CPC classification number: H04N19/105 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/503 ,  H04N19/52 ,  H04N19/573 ,  H04N19/58

Abstract: An example method for encoding or decoding video data includes storing, by a video coder and in a reference picture buffer, a version of a current picture of the video data, including the current picture in a reference picture list (RPL) used to predict the current picture, and coding, by the video coder and based on the RPL, a block of video data in the current picture based on a predictor block of video data included in the version of the current picture stored in the reference picture buffer.

Abstract translation: 用于对视频数据进行编码或解码的示例性方法包括：通过视频编码器和参考图像缓冲器，将用于预测图像数据的参考图像列表（RPL）中的包括当前图像的视频数据的当前图像的版本存储 通过视频编码器并且基于RPL，基于存储在参考图像缓冲器中的当前图像的版本中包括的视频数据的预测块，当前图像中的视频数据块。