公开(公告)号：US20140192882A1

公开(公告)日：2014-07-10

申请号：US14089495

申请日：2013-11-25

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/26

CPC classification number: H04N19/107 ,  H04N19/433 ,  H04N19/70

Abstract: In an example, the present disclosure provides for receiving in a video bitstream an access unit having a first random access point (RAP) picture and receiving in the video bitstream, after the access unit in the bitstream, a subsequent access unit having a second RAP picture. In a case that one or more random access skipped leading (RASL) pictures for the subsequent access unit are not present in the received video bitstream, shifting a picture buffer removal time earlier based on a picture buffer removal delay offset. Another example provides for receiving an access unit after an earlier initialization of the hypothetical reference decoder (HRD), the access unit having a RAP picture, wherein associated access units containing RASL pictures are not received and initializing a picture buffer removal time and a picture buffer removal delay offset in response to receiving the access unit and not receiving the associated access units containing RASL pictures.

Abstract translation: 在一个示例中，本公开提供在视频比特流中接收具有第一随机接入点（RAP）图像并在视频比特流中接收的访问单元，在比特流中的访问单元之后，具有第二RAP的后续访问单元 图片。 在接收到的视频比特流中不存在用于后续访问单元的一个或多个随机访问跳过前导（RASL）图片的情况下，基于图像缓冲器移除延迟偏移更早地移位图像缓冲器移除时间。 另一示例提供了在假设参考解码器（HRD）的较早初始化之后接收访问单元，该访问单元具有RAP图像，其中不接收包含RASL图像的相关联的访问单元，并且初始化图像缓冲器移除时间和图像缓冲器 响应于接收访问单元而不接收包含RASL图片的相关访问单元的删除延迟偏移。

公开(公告)号：US20140192157A1

公开(公告)日：2014-07-10

申请号：US14151586

申请日：2014-01-09

Applicant: QUALCOMM Incorporated

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

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N19/176 ,  H04N19/577 ,  H04N19/58 ,  H04N19/597 ,  H04N19/70

Abstract: In an example, a method of decoding video data includes determining whether a reference index for a current block corresponds to an inter-view reference picture, and when the reference index for the current block corresponds to the inter-view reference picture, obtaining, from an encoded bitstream, data indicating a view synthesis prediction (VSP) mode of the current block, where the VSP mode for the reference index indicates whether the current block is predicted with view synthesis prediction from the inter-view reference picture.

Abstract translation: 在一个示例中，解码视频数据的方法包括确定当前块的参考索引是否对应于视频间参考图片，并且当当前块的参考索引对应于视频间参考图片时，从 编码比特流，指示当前块的视图合成预测（VSP）模式的数据，其中参考索引的VSP模式指示是否从视频参考图片以视点合成预测预测当前块。

公开(公告)号：US20140192149A1

公开(公告)日：2014-07-10

申请号：US14036873

申请日：2013-09-25

Applicant: QUALCOMM Incorporated

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

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N19/30 ,  H04N19/46 ,  H04N19/70

Abstract: A device obtains, from a bitstream that includes an encoded representation of the video data, a non-nested Supplemental Enhancement Information (SEI) message that is not nested within another SEI message in the bitstream. Furthermore, the device determines a layer of the bitstream to which the non-nested SEI message is applicable. The non-nested SEI message is applicable to layers for which video coding layer (VCL) network abstraction layer (NAL) units of the bitstream have layer identifiers equal to a layer identifier of a SEI NAL unit that encapsulates the non-nested SEI message. A temporal identifier of the SEI NAL unit is equal to a temporal identifier of an access unit containing the SEI NAL unit. Furthermore, the device processes, based in part on one or more syntax elements in the non-nested SEI message, video data of the layer of the bitstream to which the non-nested SEI message is applicable.

Abstract translation: 设备从包含视频数据的编码表示的比特流中获得未嵌套在比特流中另一SEI消息内的非嵌套补充增强信息（SEI）消息。 此外，设备确定非嵌套SEI消息可应用到的比特流层。 非嵌套SEI消息适用于层的视频编码层（VCL）网络抽象层（NAL）单元具有层标识符等于封装非嵌套SEI消息的SEI NAL单元的层标识符。 SEI NAL单元的时间标识符等于包含SEI NAL单元的访问单元的时间标识符。 此外，该设备部分地基于非嵌套SEI消息中的一个或多个语法元素处理非嵌套SEI消息可应用于的位流层的视频数据。

公开(公告)号：US20140086325A1

公开(公告)日：2014-03-27

申请号：US14037738

申请日：2013-09-26

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Vadim Seregin ,  Li Zhang ,  Marta Karczewicz

IPC: H04N7/36

CPC classification number: H04N19/521 ,  H04N19/30 ,  H04N19/31 ,  H04N19/52 ,  H04N19/58 ,  H04N19/61

Abstract: In one example, a device includes a video coder configured to determine a first co-located reference picture for generating a first temporal motion vector predictor candidate for predicting a motion vector of a current block, determine a second co-located reference picture for generating a second temporal motion vector predictor candidate for predicting the motion vector of the current block, determine a motion vector predictor candidate list that includes at least one of the first temporal motion vector predictor candidate and the second temporal motion vector predictor candidate, select a motion vector predictor from the motion vector predictor candidate list, and code the motion vector of the current block relative to the selected motion vector predictor.

Abstract translation: 在一个示例中，设备包括视频编码器，该视频编码器被配置为确定用于生成用于预测当前块的运动矢量的第一时间运动矢量预测器候选的第一同位置参考图像，确定第二同位置参考图像以产生 用于预测当前块的运动矢量的第二时间运动矢量预测器候选，确定包括第一时间运动矢量预测器候选和第二时间运动矢量预测器候选中的至少一个的运动矢量预测器候选列表，选择运动矢量预测器 并且对当前块相对于所选择的运动矢量预测器的运动矢量进行编码。

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。

公开(公告)号：US20140049605A1

公开(公告)日：2014-02-20

申请号：US13968362

申请日：2013-08-15

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Li Zhang ,  Marta Karczewicz

IPC: H04N13/00

CPC classification number: H04N13/10 ,  H04N19/52 ,  H04N19/597

Abstract: A video coder determines a first picture order count (POC) value of a first reference picture associated with a first motion vector of a corresponding block that points in a first direction and determines whether a first reference picture list for the current block includes a reference picture having the first POC value; in response to the reference picture list not including the reference picture having the first POC value, determines a second POC value of a second reference picture associated with a second motion vector of the corresponding block that points in a second direction, determines whether the first reference picture list for the current block includes a reference picture having the second POC value and in response to the first reference picture list including the reference picture having the second POC value, decodes the current motion vector using the second motion vector of the corresponding block.

Abstract translation: 视频编码器确定与指向第一方向的相应块的第一运动矢量相关联的第一参考图片的第一图像顺序计数（POC）值，并确定当前块的第一参考图片列表是否包括参考图片 具有第一个POC值; 响应于不包括具有第一POC值的参考图像的参考图像列表，确定与在第二方向上指向的相应块的第二运动矢量相关联的第二参考图像的第二POC值，确定第一参考 当前块的图像列表包括具有第二POC值的参考图像，并且响应于包括具有第二POC值的参考图像的第一参考图像列表，使用相应块的第二运动矢量解码当前运动矢量。

公开(公告)号：US20140009578A1

公开(公告)日：2014-01-09

申请号：US14019944

申请日：2013-09-06

Applicant: Qualcomm Incorporated

Inventor： Ying Chen ,  Marta Karczewicz ,  Yong Wang

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N19/597 ,  H04N19/61 ,  H04N19/70 ,  H04N21/816 ,  H04N21/84 ,  H04N21/8456 ,  H04N21/85406

Abstract: This disclosure includes techniques for signaling characteristics of a representation of multimedia content at a representation layer, such as frame packing arrangement information for the representation. In one example, an apparatus for receiving video data includes a processing unit configured to receive information indicative of whether a bitstream includes a packed frame of video data, wherein the packed frame comprises two frames corresponding to different views of a scene for three-dimensional playback, and wherein the information is present in a representation layer external to a codec layer of the bitstream, automatically determine whether the apparatus is capable of decoding and rendering the bitstream based on an analysis of the received information and decoding and rendering capabilities of the device, and retrieve the bitstream when the processing unit determines that the device is capable of decoding and rendering the bitstream.

Abstract translation: 该公开内容包括用于在表示层上用于表示多媒体内容的表示的特征的技术，例如用于表示的帧包装布置信息。 在一个示例中，用于接收视频数据的设备包括：处理单元，被配置为接收指示比特流是否包括视频数据的打包帧的信息，其中所述打包帧包括对应于用于三维回放的场景的不同视图的两个帧 ，并且其中所述信息存在于所述比特流的编解码器层外部的表示层中，基于所接收的信息的分析和所述设备的解码和呈现能力自动地确定所述设备是否能够对所述比特流进行解码和呈现， 以及当所述处理单元确定所述设备能够对所述比特流进行解码和呈现时，检索所述比特流。

公开(公告)号：US20130336407A1

公开(公告)日：2013-12-19

申请号：US13917538

申请日：2013-06-13

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Vadim Seregin

IPC: H04N7/34

CPC classification number: H04N19/593 ,  H04N19/513 ,  H04N19/58 ,  H04N19/597

Abstract: In one example, a device includes a video coder configured to determine, for each reference picture in one or more reference picture lists for a current picture, whether the reference picture is to be included in a plurality of reference pictures based on types for the reference pictures in the reference picture lists, compare picture order count (POC) values of each of the plurality of reference pictures to a POC value of the current picture to determine a motion vector predictor for a current block based on motion vectors of a co-located block of video data in a reference picture of the plurality of reference pictures, determine whether a forward motion vector or a backward motion vector of the co-located block is to be initially used to derive the motion vector predictor, and code a motion vector for the current block of video data relative to the motion vector predictor.

Abstract translation: 在一个示例中，设备包括视频编码器，其被配置为针对当前图片的一个或多个参考图片列表中的每个参考图片确定参考图片是否将被包括在基于参考的类型的多个参考图片中 参考图片列表中的图像，将多个参考图像中的每一个的图像顺序计数（POC）值与当前图像的POC值进行比较，以基于同位置的运动矢量来确定当前块的运动矢量预测器 确定多个参考图片的参考图片中的视频数据的块是否最初用于导出运动矢量预测器，并且将运动矢量编码为 当前视频数据块相对于运动矢量预测器。

公开(公告)号：US20130265388A1

公开(公告)日：2013-10-10

申请号：US13802344

申请日：2013-03-13

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N19/139 ,  H04N19/513 ,  H04N19/52 ,  H04N19/597

Abstract: When coding multiview video data, a video coder can code one or more pictures in one or more reference views, including a first reference view and determine a disparity vector for a current block based on motion information of one or more neighboring blocks of the current block, wherein the current block is in a second view, wherein the disparity vector points from the current block to a corresponding block in a picture of the same time instance in one of the one or more reference views.

Abstract translation: 当编码多视点视频数据时，视频编码器可以在包括第一参考视图的一个或多个参考视图中编码一个或多个图像，并且基于当前块的一个或多个相邻块的运动信息来确定当前块的视差矢量 其中当前块在第二视图中，其中视差矢量从当前块指向在一个或多个参考视图之一中的相同时间实例的图片中的对应块。

公开(公告)号：US20130202035A1

公开(公告)日：2013-08-08

申请号：US13759905

申请日：2013-02-05

Applicant: QUALCOMM INCORPORATED

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

IPC: H04N7/26

CPC classification number: H04N19/61 ,  H04N19/105 ,  H04N19/172 ,  H04N19/174 ,  H04N19/46 ,  H04N19/573 ,  H04N19/70

Abstract: A video coder may, in some cases, signal whether one or more initial reference picture lists are to be modified. When an initial list is to be modified, the video coder can signal information indicating a starting position in the initial reference picture list. When the starting position signaled by the video coder is less than a number of pictures included in the initial reference picture list, then the video coder signals the number of pictures to be inserted into the initial reference picture list, and a reference picture source from which a picture can be retrieved to insert into the initial reference picture list to construct a modified reference picture list.

Abstract translation: 在一些情况下，视频编码器可以发信号通知是否修改一个或多个初始参考图片列表。 当要修改初始列表时，视频编码器可以在初始参考图片列表中发送指示起始位置的信息。 当由视频编码器发信号的开始位置小于包括在初始参考图像列表中的图像数量时，视频编码器将要插入的图像的数量信号发送到初始参考图像列表，以及参考图像源， 可以检索图片以插入到初始参考图片列表中以构建修改的参考图片列表。