公开(公告)号：US20140119437A1

公开(公告)日：2014-05-01

申请号：US14066209

申请日：2013-10-29

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang

IPC: H04N7/32

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

Abstract: In one example, a device includes a video coder configured to code a multilayer bitstream comprising a plurality of layers of video data, where the plurality of layers of video data are associated with a plurality of layer sets, and where each layer set contains one or more layers of video data of the plurality of layers, and to code on one or more syntax elements of the bitstream indicating one or more output operation points, where each output operation point is associated with a layer set of the plurality of layer sets and one or more target output layers of the plurality of layers.

Abstract translation: 在一个示例中，设备包括视频编码器，其被配置为对包含多个视频数据层的多层比特流进行编码，其中多个视频数据层与多个层集相关联，并且其中每个层集合包含一个或多个 多个层的视频数据的多层，并且对位流的一个或多个语法元素进行编码，指示一个或多个输出操作点，其中每个输出操作点与多个层集合的层集相关联，一个 或多个目标输出层。

公开(公告)号：US20140105299A1

公开(公告)日：2014-04-17

申请号：US14040290

申请日：2013-09-27

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/597 ,  H04N19/30

CPC classification number: H04N19/30 ,  H04N19/105 ,  H04N19/513 ,  H04N19/52 ,  H04N19/597

Abstract: In general, techniques are described for performing residual prediction in video coding. As one example, a device configured to code scalable or multi-view video data may comprise one or more processors configured to perform the techniques. The processors may determine a difference picture, for a current picture, based on a first reference picture in a same layer or view as the current picture and a decoded picture in a different layer or view as the current picture. The decoded picture may be in a same access unit as the first reference picture. The processors may perform bi-prediction based on the difference picture to code at least a portion of the current picture.

Abstract translation: 通常，描述了在视频编码中进行残差预测的技术。 作为一个示例，被配置为对可缩放或多视图视频数据进行编码的设备可以包括配置成执行技术的一个或多个处理器。 处理器可以基于与当前图片相同的层或视图中的第一参考图片和当前图片的不同图层或视图中的解码图片来确定当前图片的差分图片。 解码图像可以在与第一参考图片相同的存取单元中。 处理器可以基于差分图像执行双预测以对当前图像的至少一部分进行编码。

公开(公告)号：US20140098882A1

公开(公告)日：2014-04-10

申请号：US14045705

申请日：2013-10-03

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen

IPC: H04N7/26 ,  H04N7/36

CPC classification number: H04N19/44 ,  H04N13/161 ,  H04N19/105 ,  H04N19/119 ,  H04N19/52 ,  H04N19/521 ,  H04N19/597

Abstract: For a depth block in a depth view component, a video coder derives a motion information candidate that comprises motion information of a corresponding texture block in a decoded texture view component, adds the motion information candidate to a candidate list for use in a motion vector prediction operation, and codes the current block based on a candidate in the candidate list.

Abstract translation: 对于深度视图分量中的深度块，视频编码器导出包括解码纹理视图分量中的对应纹理块的运动信息的运动信息候选，将运动信息候选添加到运动矢量预测中使用的候选列表 操作，并且基于候选列表中的候选来对当前块进行编码。

公开(公告)号：US20130322531A1

公开(公告)日：2013-12-05

申请号：US13906264

申请日：2013-05-30

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/32

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

Abstract: A video encoder generates a syntax element that indicates whether a video unit of a current picture is predicted from an external picture. The external picture is in a different layer than the current picture. Furthermore, the video encoder outputs a video data bitstream that includes a representation of the syntax element. The video data bitstream may or may not include a coded representation of the external picture. A video decoder obtains the syntax element from the video data bitstream. The video decoder uses the syntax element in a process to reconstruct video data of a portion of the video unit.

Abstract translation: 视频编码器生成指示从外部图像预测当前图像的视频单元的语法元素。 外部图像与当前图片不同。 此外，视频编码器输出包括语法元素的表示的视频数据比特流。 视频数据比特流可以包括或可以不包括外部图像的编码表示。 视频解码器从视频数据比特流获得语法元素。 视频解码器使用处理中的语法元素来重构视频单元的一部分的视频数据。

公开(公告)号：US20130304935A1

公开(公告)日：2013-11-14

申请号：US13945725

申请日：2013-07-18

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Marta Karczewicz

IPC: H04L29/06

CPC classification number: H04L65/607 ,  H04N21/235 ,  H04N21/2381 ,  H04N21/435 ,  H04N21/43615 ,  H04N21/4363 ,  H04N21/4381 ,  H04N21/64322 ,  H04N21/84 ,  H04N21/8451 ,  H04N21/85406

Abstract: A device may encapsulate video data such that Supplemental Enhancement Information (SEI) messages are stored separately from a sequence of coded video pictures described by the SEI messages. An example device includes a control unit configured to generate one or more SEI messages separate from the coded video pictures, wherein the SEI messages describe respective ones of the sequence of coded video pictures and include elements common to more than one of the coded video pictures, and an output interface configured to output the SEI messages separately from the sequence of coded video pictures. An example destination device may receive the SEI messages separately from the coded video pictures and render the coded video pictures using the SEI messages.

Abstract translation: 设备可以封装视频数据，使得补充增强信息（SEI）消息与由SEI消息描述的编码视频图像序列分开存储。 示例性设备包括被配置为生成与编码视频图像分离的一个或多个SEI消息的控制单元，其中SEI消息描述编码视频图像序列中的相应的一个，并且包括多于一个编码视频图像的公共元素， 以及输出接口，被配置为与编码视频图像的序列分开地输出SEI消息。 示例性目的地设备可以与编码的视频图像分开地接收SEI消息，并且使用SEI消息来呈现编码的视频图像。

公开(公告)号：US20130195205A1

公开(公告)日：2013-08-01

申请号：US13753247

申请日：2013-01-29

Applicant: Qualcomm Incorporated

Inventor： Ye-Kui Wang ,  Ying Chen

IPC: H04N7/26

CPC classification number: H04N19/174 ,  H04N19/46 ,  H04N19/70

Abstract: A device comprising a video file creation module is configured to obtain a plurality of slices of coded video content. Parameter sets are associated with the coded video content. The video creation module encapsulates the plurality of slices of coded video content within one or more access units of a video stream. A first type of parameter set may be encapsulated within one or more access units of the video stream. A second type of parameter set may be encapsulated within a sample description. The sample description may include stream properties associated with the video stream.

Abstract translation: 包括视频文件创建模块的装置被配置为获得多个编码视频内容片段。 参数集与编码的视频内容相关联。 视频创建模块将多个编码视频内容片段封装在视频流的一个或多个访问单元内。 第一类型的参数集可以被封装在视频流的一个或多个访问单元内。 第二种类型的参数集可以封装在样本描述中。 样本描述可以包括与视频流相关联的流属性。

公开(公告)号：US20130188719A1

公开(公告)日：2013-07-25

申请号：US13744327

申请日：2013-01-17

Applicant: Qualcomm Incorporated

Inventor： Ying Chen ,  Marta Karczewicz

IPC: H04N7/26

CPC classification number: H04N19/52 ,  H04N19/119 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/46 ,  H04N19/593 ,  H04N19/96

Abstract: Systems, methods, and devices for coding video data are described herein. In some aspects, a memory unit is configured to store the video data. The video data may include a base layer and an enhancement layer. The base layer may include a base layer coding unit co-located with a first enhancement layer coding unit in the enhancement layer. A processor may be configured to construct one or more motion vectors based at least in part on one or more base layer motion vectors available at the co-located base layer coding unit. The one or more motion vectors may be associated with the first enhancement layer coding unit. The processor may also be configured to determine pixel values of a neighbor enhancement layer coding unit based at least in part on the one or more motion vectors.

Abstract translation: 本文描述了用于编码视频数据的系统，方法和设备。 在一些方面，存储器单元被配置为存储视频数据。 视频数据可以包括基本层和增强层。 基层可以包括与增强层中的第一增强层编码单元共同定位的基本层编码单元。 处理器可以被配置为至少部分地基于在同位置的基本层编码单元处可用的一个或多个基本层运动向量来构造一个或多个运动向量。 一个或多个运动矢量可以与第一增强层编码单元相关联。 处理器还可以被配置为至少部分地基于一个或多个运动矢量来确定邻近增强层编码单元的像素值。

公开(公告)号：US20130182755A1

公开(公告)日：2013-07-18

申请号：US13738377

申请日：2013-01-10

Applicant: QUALCOMM INCORPORATED

Inventor： Ying Chen ,  Ye-Kui Wang

IPC: H04N7/26

CPC classification number: H04N19/463 ,  H04N19/30 ,  H04N19/46 ,  H04N19/70

Abstract: In one example, a video coder, such as a video encoder or video decoder, is configured to code a video parameter set (VPS) for one or more layers of video data, wherein each of the one or more layers of video data refer to the VPS, and code the one or more layers of video data based at least in part on the VPS. The video coder may code the VPS for video data conforming to High-Efficiency Video Coding, Multiview Video Coding, Scalable Video Coding, or other video coding standards or extensions of video coding standards. The VPS may include data specifying parameters for corresponding sequences of video data within various different layers (e.g., views, quality layers, or the like). The parameters of the VPS may provide indications of how the corresponding video data is coded.

Abstract translation: 在一个示例中，诸如视频编码器或视频解码器的视频编码器被配置为对一个或多个视频数据层的视频参数集（VPS）进行编码，其中一个或多个视频数据层中的每一个指代 VPS，并且至少部分地基于VPS对一个或多个视频数据层进行编码。 视频编码器可以对符合高效率视频编码，多视角视频编码，可缩放视频编码或视频编码标准的其他视频编码标准或扩展的视频数据进行编码。 VPS可以包括指定各种不同层（例如，视图，质量层等）中的视频数据的相应序列的参数的数据。 VPS的参数可以提供如何对相应的视频数据进行编码的指示。

公开(公告)号：US20130148722A1

公开(公告)日：2013-06-13

申请号：US13705853

申请日：2012-12-05

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N7/26

CPC classification number: H04N19/50 ,  H04N19/597 ,  H04N19/70

Abstract: A video encoder generates a bitstream that includes a reference picture list modification (RPLM) command. The RPLM command belongs to a type of RPLM commands for inserting short-term reference pictures into reference picture lists. The RPLM command instructs a video decoder to insert a synthetic reference picture into the reference picture list. The video decoder decodes, based at least in part on syntax elements parsed from the bitstream, one or more view components and generates, based at least in part on the one or more view components, the synthetic reference picture. The video decoder modifies, in response to the RPLM commands, a reference picture list to include the synthetic reference picture. The video decoder may use one or more pictures in the reference picture list as reference pictures to perform inter prediction on one or more video blocks of a picture.

Abstract translation: 视频编码器生成包括参考图像列表修改（RPLM）命令的比特流。 RPLM命令属于用于将短期参考图像插入到参考图片列表中的RPLM命令的类型。 RPLM命令指示视频解码器将合成参考图像插入到参考图像列表中。 视频解码器至少部分地基于从比特流解析的语法元素解码一个或多个视图分量，并且至少部分地基于一个或多个视图组件生成合成参考图片。 视频解码器响应于RPLM命令修改参考图片列表以包括合成参考图片。 视频解码器可以使用参考图像列表中的一个或多个图像作为参考图像来对图像的一个或多个视频块执行帧间预测。

公开(公告)号：US20130142257A1

公开(公告)日：2013-06-06

申请号：US13689559

申请日：2012-11-29

Applicant: Qualcomm Incorporated

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

IPC: H04N7/26

CPC classification number: H04N19/50 ,  H04N19/172 ,  H04N19/503 ,  H04N19/58 ,  H04N19/70

Abstract: In general, techniques are described for coding picture order count values identifying long-term reference pictures. A video decoding device comprising a processor may perform the techniques. The processor may determine least significant bits (LSBs) of a picture order count (POC) value that identifies a long-term reference picture (LTRP). The LSBs do not uniquely identify the POC value with respect to the LSBs of any other POC value identifying any other picture in a decoded picture buffer (DPB). The processor may determine most significant bits (MSBs) of the POC value. The MSBs combined with the LSBs is sufficient to distinguish the POC value from any other POC value that identifies any other picture in the DPB. The processor may retrieve the LTRP from the decoded picture buffer based on the LSBs and MSBs of the POC value, and decode a current picture of the video data using the retrieved LTRP.

Abstract translation: 通常，描述了用于编码识别长期参考图片的图像顺序计数值的技术。 包括处理器的视频解码设备可以执行这些技术。 处理器可以确定标识长期参考图片（LTRP）的图片顺序计数（POC）值的最低有效位（LSB）。 LSB不唯一地标识相对于识别解码图像缓冲器（DPB）中的任何其它图像的任何其它POC值的LSB的POC值。 处理器可以确定POC值的最高有效位（MSB）。 与LSB结合的MSB足以区分POC值和识别DPB中任何其他图像的任何其他POC值。 处理器可以基于POC值的LSB和MSB从解码图像缓冲器中检索LTRP，并且使用检索到的LTRP来解码视频数据的当前图像。