公开(公告)号：US09628795B2

公开(公告)日：2017-04-18

申请号：US14333084

申请日：2014-07-16

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/583 ,  H04N19/597 ,  H04N19/52 ,  H04N19/176 ,  H04N19/51

CPC classification number: H04N19/51 ,  H04N19/176 ,  H04N19/52 ,  H04N19/597

Abstract: Techniques are described for determining a block in a reference picture in a reference view based on a disparity vector for a current block. The techniques start the disparity vector from a bottom-right pixel in a center 2×2 sub-block within the current block, and determine a location within the reference picture to which the disparity vector refers. The determined block covers the location referred to by the disparity vector based on the disparity vector starting from the bottom-right pixel in the center 2×2 sub-block within the current block.

公开(公告)号：US20170105004A1

公开(公告)日：2017-04-13

申请号：US15131569

申请日：2016-04-18

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Ruiduo Yang ,  Ning Bi

IPC: H04N19/159 ,  H04N19/172 ,  H04N19/58 ,  H04N19/105

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/162 ,  H04N19/172 ,  H04N19/176 ,  H04N19/46 ,  H04N19/58 ,  H04N19/70

Abstract: Techniques and systems are provided for encoding video data. For example, a method of encoding video data includes obtaining a background picture that is generated based on a plurality of pictures captured by an image sensor. The background picture is generated to include background portions identified in each of the captured pictures. The method further includes encoding, into a video bitstream, a group of pictures captured by the image sensor. The group of pictures includes at least one random access picture. Encoding the group of pictures includes encoding at least a portion of the at least one random access picture using inter-prediction based on the background picture.

公开(公告)号：US09602802B2

公开(公告)日：2017-03-21

申请号：US14019944

申请日：2013-09-06

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Marta Karczewicz ,  Yong Wang

IPC: H04N7/12 ,  H04N13/00 ,  H04N21/81 ,  H04N21/84 ,  H04N21/845 ,  H04N21/854 ,  H04N19/597 ,  H04N19/70 ,  H04N19/61

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.

公开(公告)号：US09584823B2

公开(公告)日：2017-02-28

申请号：US13853580

申请日：2013-03-29

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Peisong Chen ,  Marta Karczewicz

IPC: H04N7/36 ,  H04N19/513 ,  H04N19/597 ,  H04N19/105 ,  H04N19/52 ,  H04N19/176 ,  H04N19/147 ,  H04N19/46

CPC classification number: H04N19/513 ,  H04N19/105 ,  H04N19/147 ,  H04N19/176 ,  H04N19/46 ,  H04N19/52 ,  H04N19/597

Abstract: Aspects of this disclosure relate to, in an example, a method that includes identifying a first block of video data in a first temporal location from a first view, wherein the first block is associated with a first disparity motion vector. The method also includes determining a motion vector predictor for a second motion vector associated with a second block of video data, wherein the motion vector predictor is based on the first disparity motion vector. When the second motion vector comprises a disparity motion vector, the method includes determining the motion vector predictor comprises scaling the first disparity motion vector to generate a scaled motion vector predictor, wherein scaling the first disparity motion vector comprises applying a scaling factor comprising a view distance of the second disparity motion vector divided by a view distance of the first motion vector to the first disparity motion vector.

Abstract translation: 本公开的方面在一个示例中涉及一种包括从第一视图识别第一时间位置中的第一视频数据块的方法，其中第一块与第一视差运动矢量相关联。 该方法还包括确定与第二视频数据块相关联的第二运动矢量的运动矢量预测器，其中运动矢量预测器基于第一视差运动矢量。 当第二运动矢量包括视差运动矢量时，该方法包括确定运动矢量预测器包括缩放第一视差运动矢量以产生缩放的运动矢量预测器，其中缩放第一视差运动矢量包括应用包括视距 的第二视差运动矢量除以第一运动矢量与第一视差运动矢量的视距。

公开(公告)号：US09554150B2

公开(公告)日：2017-01-24

申请号：US14489679

申请日：2014-09-18

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen

IPC: H04N7/12 ,  H04N15/00 ,  H04N19/52 ,  H04N19/136 ,  H04N19/44 ,  H04N19/50 ,  H04N19/597 ,  H04N19/56 ,  H04N19/70 ,  H04N19/577

CPC classification number: H04N19/52 ,  H04N19/136 ,  H04N19/44 ,  H04N19/50 ,  H04N19/56 ,  H04N19/577 ,  H04N19/597 ,  H04N19/70

Abstract: A video coder generates a list of merging candidates for coding a video block of the 3D video. A maximum number of merging candidates in the list of merging candidates may be equal to 6. As part of generating the list of merging candidates, the video coder determines whether a number of merging candidates in the list of merging candidates is less than 5. If so, the video coder derives one or more combined bi-predictive merging candidates. The video coder includes the one or more combined bi-predictive merging candidates in the list of merging candidates.

Abstract translation: 视频编码器生成用于对3D视频的视频块进行编码的合并候选的列表。 合并候选列表中的最大合并候选数可以等于6.作为生成合并候选列表的一部分，视频编码器确定合并候选列表中的合并候选数是否小于5.如果 因此，视频编码器导出一个或多个组合的双重预测合并候选。 视频编码器包括合并候选列表中的一个或多个组合的双重预测合并候选。

公开(公告)号：US09549180B2

公开(公告)日：2017-01-17

申请号：US13865894

申请日：2013-04-18

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Li Zhang ,  Marta Karczewicz

IPC: H04N19/00 ,  H04N19/51 ,  H04N19/597 ,  H04N19/52 ,  H04N19/513 ,  H04N19/436

CPC classification number: H04N19/597 ,  H04N19/436 ,  H04N19/513 ,  H04N19/52

Abstract: In one example, a video coder (e.g., a video encoder or a video decoder) is configured to determine that a current block of video data is coded using a disparity motion vector, wherein the current block is within a containing block, based on a determination that a neighboring block to the current block is also within the containing block, substitute a block outside the containing block and that neighbors the containing block for the neighboring block in a candidate list, select a disparity motion vector predictor from one of a plurality of blocks in the candidate list, and code the disparity motion vector based on the disparity motion vector predictor. In this manner, the techniques of this disclosure may allow blocks within the containing block to be coded in parallel.

Abstract translation: 在一个示例中，视频编码器（例如，视频编码器或视频解码器）被配置为使用视差运动矢量来确定视频数据的当前块被编码，其中当前块位于包含块内，基于 确定当前块的相邻块也在所述包含块内，替代所述包含块外的块，并且在候选列表中邻近所述相邻块的所述包含块，从多个子块中的一个中选择视差运动向量预测器 候选列表中的块，并且基于视差运动矢量预测器对视差运动矢量进行编码。 以这种方式，本公开的技术可以允许并行地对包含块内的块进行编码。

公开(公告)号：US20160366416A1

公开(公告)日：2016-12-15

申请号：US15174834

申请日：2016-06-06

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/136 ,  H04N19/119 ,  H04N19/176 ,  H04N19/51

CPC classification number: H04N19/136 ,  G06T7/20 ,  G06T7/246 ,  G06T7/248 ,  H04N19/109 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176 ,  H04N19/463 ,  H04N19/50 ,  H04N19/51 ,  H04N19/52 ,  H04N19/583 ,  H04N19/70

Abstract: Techniques and systems are provided for coding video data. For example, a method of coding video data includes determining motion information for a current block and determining an illumination compensation status for the current block. The method further includes coding the current block based on the motion information and the illumination compensation status for the current block. In some examples, the method further includes determining the motion information for the current block based on motion information of a candidate block. In such examples, the method further includes determining an illumination compensation status of the candidate block and deriving the illumination compensation status for the current block based on the illumination compensation status of the candidate block.

Abstract translation: 提供了用于编码视频数据的技术和系统。 例如，编码视频数据的方法包括确定当前块的运动信息并确定当前块的照明补偿状态。 该方法还包括基于当前块的运动信息和照明补偿状态对当前块进行编码。 在一些示例中，该方法还包括基于候选块的运动信息确定当前块的运动信息。 在这种示例中，该方法还包括基于候选块的照明补偿状态来确定候选块的照明补偿状态并导出当前块的照明补偿状态。

公开(公告)号：US09521425B2

公开(公告)日：2016-12-13

申请号：US14218487

申请日：2014-03-18

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Li Zhang ,  Jewon Kang

IPC: H04N19/51 ,  H04N19/513 ,  H04N19/597 ,  H04N19/52 ,  H04N19/80

CPC classification number: H04N19/513 ,  H04N19/52 ,  H04N19/597 ,  H04N19/80

Abstract: A video decoder performs a neighboring-block based disparity vector (NBDV) derivation process to determine a disparity vector or performs a NBDV refinement (NBDV-R) process to determine the disparity vector. The video decoder uses the disparity vector as a disparity vector for a current block without using a median filtering process on multiple disparity motion vectors, wherein the current block is coded in either a skip mode or a direct mode. Furthermore, the video coder determines pixel values for the current block.

Abstract translation: 视频解码器执行基于相邻块的视差矢量（NBDV）导出处理以确定视差矢量或执行NBDV细化（NBDV-R）处理以确定视差矢量。 视频解码器使用视差矢量作为当前块的视差向量，而不对多个视差运动矢量使用中值滤波处理，其中当前块以跳过模式或直接模式进行编码。 此外，视频编码器确定当前块的像素值。

公开(公告)号：US09485508B2

公开(公告)日：2016-11-01

申请号：US14247091

申请日：2014-04-07

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/91 ,  H04N19/597 ,  H04N19/70 ,  H04N19/46 ,  H04N19/513 ,  H04N19/30 ,  H04N19/44 ,  H04N19/29

CPC classification number: H04N19/91 ,  H04N19/29 ,  H04N19/30 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/597 ,  H04N19/70

Abstract: Systems, methods, and devices for coding multilayer video data are disclosed that may include, encoding, decoding, transmitting, or receiving a non-entropy encoded set of profile, tier, and level syntax structures, potentially at a position within a video parameter set (VPS) extension. The systems, methods, and devices may refer to one of the profile, tier, and level syntax structures for each of a plurality of output layer sets. The systems, methods, and devices may encode or decode video data of one of the output layer sets based on information from the profile, tier, and level syntax structure referred to for the output layer set.

Abstract translation: 公开了用于编码多层视频数据的系统，方法和设备，其可以包括，潜在地在视频参数集内的位置处编码，解码，发送或接收非熵编码的简档，层和层语法结构集合 （VPS）扩展。 系统，方法和设备可以指代多个输出层集合中的每一个的简档，层和层级语法结构之一。 系统，方法和设备可以基于来自针对输出层集合引用的简档，层和级别语法结构的信息，对输出层集合之一的视频数据进行编码或解码。

公开(公告)号：US20160316200A1

公开(公告)日：2016-10-27

申请号：US15103798

申请日：2013-12-13

Applicant: Li ZHANG ,  Hongbin LIU ,  Ying CHEN ,  QUALCOMM INCORPORATED

Inventor： Li Zhang ,  Hongbin Liu ,  Ying Chen

IPC: H04N19/107 ,  H04N19/70 ,  H04N19/463 ,  H04N19/597 ,  H04N19/159 ,  H04N19/182

CPC classification number: H04N19/107 ,  H04N19/159 ,  H04N19/182 ,  H04N19/463 ,  H04N19/597 ,  H04N19/70 ,  H04N19/91

Abstract: This disclosure describes techniques for signaling and processing information indicating simplified depth coding (SDC) for depth intra-prediction and depth inter-prediction modes in a 3D video coding process, such as a process defined by the 3D-HEVC extension to HEVC. In some examples, the disclosure describes techniques for unifying the signaling of SDC for depth intra-prediction and depth inter-prediction modes in 3D video coding. The signaling of SDC can be unified so that a video encoder or video decoder uses the same syntax element for signaling SDC for both the depth intra-prediction mode and the depth inter-prediction mode. Also, in some examples, a video coder may and/or process a residual value generated in the SDC mode using the same syntax structure, or same type of syntax structure, for both the depth intra-prediction mode and depth inter-prediction mode.

Abstract translation: 本公开描述了用于在3D视频编码过程（诸如由HEVC的3D-HEVC扩展定义的过程）中用于信令和处理用于指示用于深度帧内预测和深度帧间预测模式的简化深度编码（SDC）的信息的技术。 在一些示例中，本公开描述了用于在3D视频编码中统一SDC的信令用于深度帧内预测和深度帧间预测模式的技术。 可以统一SDC的信令，使得视频编码器或视频解码器使用相同的语法元素用于信令SDC用于深度帧内预测模式和深度帧间预测模式。 此外，在一些示例中，视频编码器可以使用与深度帧内预测模式和深度帧间预测模式两者相同的语法结构或相同类型的语法结构来处理在SDC模式中生成的残差值。