公开(公告)号：US09648353B2

公开(公告)日：2017-05-09

申请号：US14243310

申请日：2014-04-02

Applicant: QUALCOMM Incorporated

Inventor： Wei Pu ,  Jianle Chen ,  Xiang Li ,  Marta Karczewicz ,  Vadim Seregin

IPC: H04N11/02 ,  H04N19/80 ,  H04N19/30 ,  H04N19/46

CPC classification number: H04N19/80 ,  H04N19/30 ,  H04N19/46

Abstract: A method of coding video data can include receiving video information associated with a reference layer, an enhancement layer, or both, and generating a plurality of inter-layer reference pictures using a plurality of inter-layer filters and one or more reference layer pictures. The generated plurality of inter-layer reference pictures may be inserted into a reference picture list. A current picture in the enhancement layer may be coded using the reference picture list. The inter-layer filters may comprise default inter-layer filters or alternative inter-layer filters signaled in a sequence parameter set, video parameter set, or slice header.

公开(公告)号：US09641836B2

公开(公告)日：2017-05-02

申请号：US13957841

申请日：2013-08-02

Applicant: QUALCOMM Incorporated

Inventor： Xiang Li ,  Krishnakanth Rapaka ,  Jianle Chen ,  Marta Karczewicz

IPC: H04B1/66 ,  H04N11/04 ,  H04N7/12 ,  H04N11/02 ,  H04N7/26 ,  H04N19/50 ,  H04N19/597 ,  H04N19/105 ,  H04N19/172 ,  H04N19/30 ,  H04N19/149 ,  H04N19/34

CPC classification number: H04N19/50 ,  H04N19/105 ,  H04N19/149 ,  H04N19/172 ,  H04N19/30 ,  H04N19/34 ,  H04N19/597

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores video information associated with a reference layer. The processor determines a value of a current video unit based on, at least in part, a reconstruction value associated with the reference layer and an adjusted difference prediction value. The adjusted difference prediction value is equal to a difference between a prediction of a current layer and a prediction of the reference layer multiplied by a weighting factor that is different from 1.

公开(公告)号：US20160286230A1

公开(公告)日：2016-09-29

申请号：US15080479

申请日：2016-03-24

Applicant: QUALCOMM Incorporated

Inventor： Xiang Li ,  Ying Chen ,  Li Zhang ,  Hongbin Liu ,  Jianle Chen ,  Marta Karczewicz

IPC: H04N19/513 ,  H04N19/70

CPC classification number: H04N19/513 ,  H04N19/109 ,  H04N19/119 ,  H04N19/139 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/52 ,  H04N19/56 ,  H04N19/57 ,  H04N19/70 ,  H04N19/96

Abstract: In an example, a method of decoding video data includes selecting a motion information derivation mode from a plurality of motion information derivation modes for determining motion information for a current block, where each motion information derivation mode of the plurality comprises performing a motion search for a first set of reference data that corresponds to a second set of reference data outside of the current block, and where the motion information indicates motion of the current block relative to reference video data. The method also includes determining the motion information for the current block using the selected motion information derivation mode. The method also includes decoding the current block using the determined motion information and without decoding syntax elements representative of the motion information.

Abstract translation: 在一个示例中，视频数据的解码方法包括从用于确定当前块的运动信息的多个运动信息导出模式中选择运动信息导出模式，其中多个运动信息导出模式包括对运动信息推导模式进行运动搜索 第一组参考数据对应于当前块之外的第二组参考数据，并且其中运动信息指示当前块相对于参考视频数据的运动。 该方法还包括使用所选择的运动信息导出模式来确定当前块的运动信息。 该方法还包括使用所确定的运动信息解码当前块，并且不对代表运动信息的语法元素进行解码。

公开(公告)号：US20160234492A1

公开(公告)日：2016-08-11

申请号：US15040913

申请日：2016-02-10

Applicant: QUALCOMM Incorporated

Inventor： Xiang Li ,  Hongbin Liu ,  Ying Chen ,  Xin Zhao ,  Li Zhang ,  Jianle Chen ,  Marta Karczewicz

IPC: H04N19/117 ,  H04N19/124 ,  H04N19/61 ,  H04N19/13 ,  H04N19/577 ,  H04N19/52 ,  H04N19/119 ,  H04N19/176 ,  H04N19/139 ,  H04N19/96 ,  H04N19/70 ,  H04N19/593

CPC classification number: H04N19/117 ,  H04N19/176 ,  H04N19/50 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

Abstract: Examples include a device for coding video data, the device including a memory configured to store video data, and one or more processors configured to obtain adaptive loop filtering (ALF) information for a current coding tree unit (CTU) from one or more of: (i) one or more spatial neighbor CTUs of the current CTU or (ii) one or more temporal neighbor CTUs of the current CTU, to form a candidate list based at least partially on the obtained ALF information for the current CTU, and to perform a filtering operation on the current CTU using ALF information associated with a candidate from the candidate list. Coding video data includes encoding video data, decoding video data, or both encoding and decoding video data.

Abstract translation: 示例包括用于编码视频数据的设备，该设备包括被配置为存储视频数据的存储器，以及被配置为从当前编码树单元（CTU）获得自适应环路滤波（ALF）信息中的一个或多个的一个或多个处理器： （i）当前CTU的一个或多个空间邻居CTU或（ii）当前CTU的一个或多个临时邻居CTU，以至少部分地基于所获得的当前CTU的ALF信息形成候选列表，并执行 使用与来自候选列表的候选者相关联的ALF信息对当前CTU进行过滤操作。 编码视频数据包括编码视频数据，解码视频数据，或编码和解码视频数据。

公开(公告)号：US20160219302A1

公开(公告)日：2016-07-28

申请号：US15005934

申请日：2016-01-25

Applicant: QUALCOMM Incorporated

Inventor： Hongbin Liu ,  Ying Chen ,  Jianle Chen ,  Xiang Li ,  Marta Karczewicz

IPC: H04N19/583 ,  H04N19/70 ,  H04N19/423 ,  H04N19/167 ,  H04N19/44 ,  H04N19/176

CPC classification number: H04N19/583 ,  H04N19/167 ,  H04N19/176 ,  H04N19/423 ,  H04N19/44 ,  H04N19/70

Abstract: In an example, a method of decoding video data may include receiving a first block of video data. The first block of video data may be a sub-block of a prediction unit. The method may include receiving one or more blocks of video data that neighbor the first block of video data. The method may include determining motion information of at least one of the one or more blocks of video data that neighbor the first block of video data. The method may include decoding, using overlapped block motion compensation, the first block of video data based at least in part on the motion information of the at least one of the one or more blocks that neighbor the first block of video data.

Abstract translation: 在一个示例中，解码视频数据的方法可以包括接收第一视频数据块。 视频数据的第一块可以是预测单元的子块。 该方法可以包括接收与第一视频数据块相邻的视频数据的一个或多个块。 该方法可以包括确定与第一视频数据块相邻的一个或多个视频数据块中的至少一个的运动信息。 该方法可以包括至少部分地基于相邻于第一视频数据块的一个或多个块中的至少一个的运动信息来解码，使用重叠块运动补偿，第一视频数据块。

公开(公告)号：US09380305B2

公开(公告)日：2016-06-28

申请号：US14242679

申请日：2014-04-01

Applicant: QUALCOMM Incorporated

Inventor： Xiang Li ,  Ye-Kui Wang ,  Ying Chen ,  Jianle Chen ,  Adarsh Krishnan Ramasubramonian ,  Marta Karczewicz

IPC: H04N11/02 ,  H04N19/105 ,  H04N19/597 ,  H04N19/30 ,  H04N19/136 ,  H04N19/187

CPC classification number: H04N19/105 ,  H04N19/136 ,  H04N19/187 ,  H04N19/30 ,  H04N19/597

Abstract: An apparatus for decoding video information according to certain aspects includes a memory unit and a processor operationally coupled to the memory unit. The memory unit is configured to store at least one reference picture list of an enhancement layer, the at least one reference picture list comprising residual prediction reference picture information. The processor is configured to: decode signaled information about residual prediction reference picture generation; generate a residual prediction reference picture based on an enhancement layer reference picture and the decoded signaled information such that the generated residual prediction reference picture has the same motion field and the same picture order count (POC) as the enhancement layer reference picture from which it is generated; and store the generated residual prediction reference picture in the at least one reference picture list of the enhancement layer.

Abstract translation: 根据某些方面的用于解码视频信息的装置包括存储器单元和可操作地耦合到存储器单元的处理器。 存储器单元被配置为存储增强层的至少一个参考图像列表，该至少一个参考图像列表包括残留预测参考图像信息。 处理器被配置为：解码关于残差预测参考图片生成的信号信息; 基于增强层参考图像和解码信号信息生成残差预测参考图像，使得所生成的残差预测参考图像具有与其相同的运动场和与其相同的图像顺序计数（POC） 生成的 并将生成的残差预测参考图像存储在增强层的至少一个参考图像列表中。

公开(公告)号：US09344718B2

公开(公告)日：2016-05-17

申请号：US13954749

申请日：2013-07-30

Applicant: QUALCOMM Incorporated

Inventor： Jianle Chen ,  Vadim Seregin ,  Xiang Li ,  Krishnakanth Rapaka ,  Chengjie Tu ,  Marta Karczewicz

IPC: H04N11/04 ,  H04N19/117 ,  H04N19/159 ,  H04N19/70 ,  H04N19/46 ,  H04N19/187 ,  H04N19/82 ,  H04N19/59 ,  H04N7/26 ,  H04N19/33 ,  H04N19/31

CPC classification number: H04N19/117 ,  H04N19/159 ,  H04N19/187 ,  H04N19/31 ,  H04N19/33 ,  H04N19/46 ,  H04N19/59 ,  H04N19/70 ,  H04N19/82

Abstract: Methods and systems for video image coding are provided. Sets of filters may be selected and applied to video information at least partially based on the type of inter layer prediction implemented in coding the video information. Different filters, or filter sets, may be used for inter layer intra prediction, difference domain intra prediction, and/or difference domain inter prediction. Filter selection information may be embedded in the video bit stream.

Abstract translation: 提供了视频图像编码的方法和系统。 可以至少部分地基于在编码视频信息中实现的层间预测的类型来选择并将其应用于视频信息。 不同的滤波器或滤波器组可以用于层间帧内预测，​​差分帧内预测和/或差域帧间预测。 滤波器选择信息可以嵌入在视频比特流中。

公开(公告)号：US20140254667A1

公开(公告)日：2014-09-11

申请号：US14196479

申请日：2014-03-04

Applicant: QUALCOMM Incorporated

Inventor： Krishnakanth Rapaka ,  Xiang Li ,  Jianle Chen ,  Ye-Kui Wang ,  Wei Pu

IPC: H04N19/503 ,  H04N19/436 ,  H04N19/80

CPC classification number: H04N19/17 ,  H04N19/33 ,  H04N19/436 ,  H04N19/50 ,  H04N19/503 ,  H04N19/70 ,  H04N19/80 ,  H04N19/82

Abstract: In one example, a device for coding video data includes a video coder configured to code data indicating whether tile boundaries of different layers of video data are aligned and whether inter-layer prediction is allowed along or across tile boundaries of enhancement layer blocks, code an enhancement layer block in an enhancement layer tile of the video data without using inter-layer prediction from a collocated base layer block for which inter-layer filtering or reference layer filtering across tile boundaries in a reference layer picture in an access unit including both the enhancement layer tile and the base layer block is enabled, and code the collocated base layer block.

Abstract translation: 在一个示例中，用于编码视频数据的设备包括：视频编码器，被配置为对表示视频数据的不同层的瓦片边界是否对准的数据进行编码，以及允许层间预测沿着或跨越增强层块的平铺边界，代码 增强层块在视频数据的增强层块中，而不使用来自并置基础层块的层间预测，对于该层次块来说，在包括增强的访问单元的访问单元中的参考层图像中的跨层过滤或跨平铺边界的参考层过滤 层瓦片和基层块被启用，并对并置的基层块进行编码。

公开(公告)号：US20140254666A1

公开(公告)日：2014-09-11

申请号：US14196295

申请日：2014-03-04

Applicant: QUALCOMM Incorporated

Inventor： Krishnakanth Rapaka ,  Xiang Li ,  Jianle Chen ,  Ye-Kui Wang ,  Wei Pu

IPC: H04N19/503

CPC classification number: H04N19/17 ,  H04N19/33 ,  H04N19/436 ,  H04N19/50 ,  H04N19/503 ,  H04N19/70 ,  H04N19/80 ,  H04N19/82

Abstract: In one example, a device for coding video data includes a video coder configured to code data representative of whether a tile of an enhancement layer picture can be predicted using inter-layer prediction, and predict data of the tile using inter-layer prediction only when the data indicates that the tile can be predicted using inter-layer prediction.

Abstract translation: 在一个示例中，用于编码视频数据的设备包括：视频编码器，被配置为对表示是否可以使用层间预测来预测增强层图像的片段的数据进行编码;以及仅使用层间预测来预测瓦片的数据， 数据表示可以使用层间预测来预测瓦片。

公开(公告)号：US20140078250A1

公开(公告)日：2014-03-20

申请号：US14029696

申请日：2013-09-17

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Xiang Li ,  Marta Karczewicz

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N19/105 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/463 ,  H04N19/513 ,  H04N19/597 ,  H04N19/70

Abstract: Systems and methods for coding video information for a current view based on a residual prediction from video information for a reference view are described. In one innovative aspect, an apparatus for coding digital video is provided. The apparatus includes a memory configured to store current view video information and reference view video information. The apparatus also includes a processor configured to determine a value of a current video unit of the current view based at least on a motion compensated block of the reference view. The motion compensated block may be determined based at least in part on motion information and a disparity vector associated with the current video unit. Decoding devices and methods as well as corresponding encoding devices and methods are described.

Abstract translation: 描述了基于用于参考视图的视频信息的残差预测对当前视图的视频信息进行编码的系统和方法。 在一个创新的方面，提供了一种用于编码数字视频的装置。 该装置包括被配置为存储当前视图视频信息和参考视图视频信息的存储器。 该装置还包括处理器，该处理器被配置为至少基于参考视图的运动补偿块来确定当前视图的当前视频单元的值。 可以至少部分地基于与当前视频单元相关联的运动信息和视差矢量来确定运动补偿块。 描述设备和方法的解码以及对应的编码设备和方法。