公开(公告)号：US09565437B2

公开(公告)日：2017-02-07

申请号：US14247079

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 multilayer video data. The systems, methods, and devices may transmit or receive a video parameter set (VPS) including information for a series of layers, each layer including visual signal information. The systems, methods, and devices may code (encode or decode) video data based on the visual signal information signaled per layer in the VPS.

Abstract translation: 公开了用于编码多层视频数据的系统，方法和设备，其可以包括编码，解码，发送或接收多层视频数据。 系统，方法和设备可以发送或接收包括一系列层的信息的视频参数集（VPS），每个层包括视觉信号信息。 系统，方法和设备可以基于VPS中每层信令的视觉信号信息对视频数据进行编码（编码或解码）。

公开(公告)号：US20160366415A1

公开(公告)日：2016-12-15

申请号：US15174820

申请日：2016-06-06

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/136 ,  H04N19/176 ,  H04N19/139 ,  H04N19/51 ,  H04N19/119

CPC classification number: H04N19/136 ,  H04N19/119 ,  H04N19/139 ,  H04N19/176 ,  H04N19/463 ,  H04N19/51 ,  H04N19/577 ,  H04N19/70 ,  H04N19/82

Abstract: Techniques and systems are provided for coding video data. For example, a method of coding video data includes determining one or more illumination compensation parameters for a current block and coding the current block as part of an encoded bitstream using the one or more illumination compensation parameters. In some cases, the method can include determining one or more spatially neighboring samples for the current block and deriving the one or more illumination compensation parameters for the current block based on at least one of the one or more spatially neighboring samples. The method can further include signaling, individually, for the current block, an illumination compensation status in the encoded bitstream. The method can further include signaling at least one of the one or more illumination compensation parameters for the current block in the encoded bitstream.

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一个或多个照明补偿参数，并使用该一个或多个照明补偿参数将当前块编码为编码比特流的一部分。 在一些情况下，该方法可以包括确定当前块的一个或多个空间相邻样本，并且基于一个或多个空间相邻样本中的至少一个来导出当前块的一个或多个照明补偿参数。 该方法还可以包括针对当前块单独地发送编码比特流中的照明补偿状态。 该方法还可以包括对编码比特流中当前块的一个或多个照明补偿参数中的至少一个进行信令。

公开(公告)号：US20160353110A1

公开(公告)日：2016-12-01

申请号：US15166044

申请日：2016-05-26

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/13 ,  H04N19/70 ,  H04N19/42 ,  H04N19/174 ,  H04N19/159

CPC classification number: H04N19/13 ,  H03M7/4018 ,  H03M7/6011 ,  H04N19/126 ,  H04N19/139 ,  H04N19/146 ,  H04N19/159 ,  H04N19/174 ,  H04N19/184 ,  H04N19/42 ,  H04N19/46 ,  H04N19/70 ,  H04N19/91

Abstract: An example method of entropy coding video data includes determining a window size of a plurality of window sizes for a context of a plurality of contexts used in a context-adaptive coding process to entropy code a value for a syntax element of the video data; entropy coding, based on a probability state of the context, a bin of the value for the syntax element; updating a probability state of the context based on the window size and the coded bin. The example method also includes entropy coding a next bin with the same context based on the updated probability state of the context.

Abstract translation: 熵编码视频数据的示例方法包括：确定用于上下文自适应编码处理中使用的多个上下文的上下文的多个窗口大小的窗口大小，以熵编码视频数据的语法元素的值; 熵编码，基于上下文的概率状态，语法元素的值的一个bin; 基于窗口尺寸和编码箱更新上下文的概率状态。 该示例方法还包括基于更新的上下文概率状态对具有相同上下文的下一个bin进行熵编码。

公开(公告)号：US20160353108A1

公开(公告)日：2016-12-01

申请号：US15166068

申请日：2016-05-26

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/126 ,  H04N19/174 ,  H04N19/139 ,  H04N19/13

CPC classification number: H04N19/13 ,  H03M7/4018 ,  H03M7/6011 ,  H04N19/126 ,  H04N19/139 ,  H04N19/146 ,  H04N19/159 ,  H04N19/174 ,  H04N19/184 ,  H04N19/42 ,  H04N19/46 ,  H04N19/70 ,  H04N19/91

Abstract: An example method of entropy coding video data includes obtaining a pre-defined initialization value for a context of a plurality of contexts used in a context-adaptive entropy coding process to entropy code a value for a syntax element in a slice of the video data, wherein the pre-defined initialization value is stored with N-bit precision; determining, using a look-up table and based on the pre-defined initialization value, an initial probability state of the context for the slice of the video data, wherein a number of possible probability states for the context is greater than two raised to the power of N; and entropy coding, based on the initial probability state of the context, a bin of the value for the syntax element.

Abstract translation: 熵编码视频数据的示例方法包括：获得用于在上下文自适应熵编码处理中使用的多个上下文的上下文的预定义初始值，以熵编码视频数据片中语法元素的值， 其中预定义的初始化值以N位精度存储; 使用查找表并且基于预定义的初始化值来确定视频数据的切片的上下文的初始概率状态，其中上下文的可能概率状态的数量大于2 N的力量 以及基于上下文的初始概率状态的熵编码，用于语法元素的值的bin。

公开(公告)号：US09473752B2

公开(公告)日：2016-10-18

申请号：US13689626

申请日：2012-11-29

Applicant: Qualcomm Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang

IPC: H04N19/00 ,  H04N19/50 ,  H04N13/00 ,  H04N19/597 ,  H04N19/176 ,  H04N19/70 ,  H04N19/423

CPC classification number: H04N19/50 ,  H04N13/10 ,  H04N13/161 ,  H04N19/176 ,  H04N19/423 ,  H04N19/597 ,  H04N19/70

Abstract: In general, techniques are described for separately coding depth and texture components of video data. A video coding device for coding video data that includes a view component comprised of a depth component and a texture component may perform the techniques. The video coding device may comprise, as one example, a processor configured to activate a parameter set as a texture parameter set for the texture component of the view component, and code the texture component of the view component based on the activated texture parameter set.

Abstract translation: 通常，描述用于分别编码视频数据的深度和纹理分量的技术。 用于编码包括由深度分量和纹理分量组成的视图分量的视频数据的视频编码装置可以执行该技术。 视频编码装置可以包括作为一个示例的处理器，该处理器被配置为激活作为对视图部件的纹理部件的纹理参数集的参数集，并且基于激活的纹理参数集对视图部件的纹理成分进行编码。

公开(公告)号：US09432665B2

公开(公告)日：2016-08-30

申请号：US13689547

申请日：2012-11-29

Applicant: Qualcomm Incorporated

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

IPC: H04N19/50 ,  H04N19/503 ,  H04N19/70 ,  H04N19/172

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 be configured to determine a number of bits used to represent least significant bits of the picture order count value that identifies a long-term reference picture to be used when decoding at least a portion of a current picture and parse the determined number of bits from a bitstream representative of the encoded video data. The parsed bits represent the least significant bits of the picture order count value. The processor retrieves the long-term reference picture from a decoded picture buffer based on the least significant bits, and decodes at least the portion of the current picture using the retrieved long-term reference picture.

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。 处理器可以被配置为确定用于表示图像顺序计数值的最低有效位的位数，其识别当对当前图像的至少一部分进行解码时解析所确定的数量的待使用的长期参考图像 来自表示编码视频数据的比特流的比特。 解析的位表示图像顺序计数值的最低有效位。 处理器基于最低有效位从解码图像缓冲器中检索长期参考图像，并且使用检索到的长期参考图片解码至少当前图像的部分。

公开(公告)号：US09426465B2

公开(公告)日：2016-08-23

申请号：US14463431

申请日：2014-08-19

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N19/51 ,  H04N19/597 ,  H04N19/52 ,  H04N19/96

CPC classification number: H04N19/52 ,  H04N19/51 ,  H04N19/597 ,  H04N19/96

Abstract: A prediction unit (PU) of a coding unit (CU) is split into two or more sub-PUs including a first sub-PU and a second sub-PU. A first motion vector of a first type is obtained for the first sub-PU and a second motion vector of the first type is obtained for the second sub-PU. A third motion vector of a second type is obtained for the first sub-PU and a fourth motion vector of the second type is obtained for the second sub-PU, such that the second type is different than the first type. A first portion of the CU corresponding to the first sub-PU is coded according to advanced residual prediction (ARP) using the first and third motion vectors. A second portion of the CU corresponding to the second sub-PU is coded according to ARP using the second and fourth motion vectors.

Abstract translation: 编码单元（CU）的预测单元（PU）被分成包括第一子PU和第二子PU的两个或更多个子PU。 对于第一子PU获得第一类型的第一运动矢量，并且获得第二子PU的第一类型的第二运动矢量。 对于第一子PU获得第二类型的第三运动矢量，并且为第二子PU获得第二类型的第四运动矢量，使得第二类型不同于第一类型。 对应于第一子PU的CU的第一部分使用第一和第三运动向量根据高级剩余预测（ARP）进行编码。 使用第二和第四运动矢量，根据ARP对与第二子PU相对应的CU的第二部分进行编码。

公开(公告)号：US09369708B2

公开(公告)日：2016-06-14

申请号：US14226012

申请日：2014-03-26

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Xin Zhao

IPC: H04N19/593 ,  H04N13/00 ,  H04N19/597 ,  H04N19/70 ,  H04N19/11 ,  H04N19/463 ,  H04N19/91

CPC classification number: H04N19/593 ,  H04N13/161 ,  H04N19/11 ,  H04N19/463 ,  H04N19/597 ,  H04N19/70 ,  H04N19/91 ,  H04N2213/005

Abstract: Techniques are described for encoding and decoding depth data for three-dimensional (3D) video data represented in a multiview plus depth format using depth coding modes that are different than high-efficiency video coding (HEVC) coding modes. Examples of additional depth intra coding modes available in a 3D-HEVC process include at least two of a Depth Modeling Mode (DMM), a Simplified Depth Coding (SDC) mode, and a Chain Coding Mode (CCM). In addition, an example of an additional depth inter coding mode includes an Inter SDC mode. In one example, the techniques include signaling depth intra coding modes used to code depth data for 3D video data in a depth modeling table that is separate from the HEVC syntax. In another example, the techniques of this disclosure include unifying signaling of residual information of depth data for 3D video data across two or more of the depth coding modes.

公开(公告)号：US20160165237A1

公开(公告)日：2016-06-09

申请号：US15040864

申请日：2016-02-10

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/172 ,  H04N19/132 ,  H04N19/423 ,  H04N19/44 ,  H04N19/573 ,  H04N19/70 ,  H04N19/107 ,  H04N19/177

CPC classification number: H04N19/172 ,  H04N19/107 ,  H04N19/132 ,  H04N19/177 ,  H04N19/423 ,  H04N19/44 ,  H04N19/463 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70

Abstract: As one example, techniques for decoding video data include receiving a bitstream that includes one or more pictures of a coded video sequence (CVS), decoding a first picture according to a decoding order, wherein the first picture is a random access point (RAP) picture that is not an instantaneous decoding refresh (IDR) picture, and decoding at least one other picture following the first picture according to the decoding order based on the decoded first picture. As another example, techniques for encoding video data include generating a bitstream that includes one or more pictures of a CVS, wherein a first picture according to the decoding order is a RAP picture that is not an IDR picture, and avoiding including at least one other picture, other than the first picture, that corresponds to a leading picture associated with the first picture, in the bitstream.

公开(公告)号：US09357199B2

公开(公告)日：2016-05-31

申请号：US14137460

申请日：2013-12-20

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Ying Chen

IPC: H04N5/917 ,  H04N13/00 ,  H04N5/919 ,  H04N5/76 ,  H04N9/804 ,  H04N19/597 ,  H04N19/46 ,  H04N19/70 ,  H04N5/765

CPC classification number: H04N13/161 ,  H04N5/76 ,  H04N5/765 ,  H04N5/919 ,  H04N9/8042 ,  H04N19/44 ,  H04N19/46 ,  H04N19/597 ,  H04N19/70

Abstract: Techniques for encapsulating video streams containing multiple coded views in a media file are described herein. In one example, a method includes parsing a track of multiview video data, wherein the track includes one or more views, including only one of a texture view of a particular view and a depth view of the particular view. The method further includes parsing a track reference to determine a dependency of the track to a referenced track indicated in the track reference. Track reference types include ‘deps’ that indicates that the track includes the depth view and the reference track includes the texture view, ‘tref’ that indicates that the track depends on the texture view which is stored in the referenced track, and ‘dref’ that indicates that the track depends on the depth view which is stored in the referenced track.

Abstract translation: 这里描述了用于将包含多个编码视图的视频流封装在媒体文件中的技术。 在一个示例中，一种方法包括解析多视图视频数据的轨道，其中轨道包括一个或多个视图，其仅包括特定视图的纹理视图和特定视图的深度视图中的一个。 该方法还包括解析轨道参考以确定轨道与轨道参考中指示的参考轨迹的依赖关系。 轨道参考类型包括指示轨道包括深度视图的'deps'，并且参考轨道包括纹理视图，“tref”，其指示轨道取决于存储在所引用轨道中的纹理视图，而'dref' 这表示轨道取决于存储在参考轨道中的深度视图。