公开(公告)号：US09402076B2

公开(公告)日：2016-07-26

申请号：US14089495

申请日：2013-11-25

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/12 ,  H04N7/32 ,  H04N19/187 ,  H04N19/169 ,  H04N19/70 ,  H04N19/597 ,  H04N19/30 ,  H04N19/59 ,  H04N19/107 ,  H04N19/433

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

Abstract: A system and method for processing video data having a first random access point (RAP) picture. An access unit having a first random access point (RAP) picture is received in a video bitstream. A subsequent access unit having a RAP picture that does not initialize the hypothetical reference decoder (HRD) is also received and, based on one or more random access skipped leading (RASL) pictures for the subsequent access unit not being present in the video bitstream, a picture buffer removal time for a picture buffer is shifted earlier based on a picture buffer removal delay offset.

Abstract translation: 一种用于处理具有第一随机接入点（RAP）图像的视频数据的系统和方法。 在视频比特流中接收具有第一随机接入点（RAP）图像的接入单元。 还接收具有不初始化假设参考解码器（HRD）的RAP图像的后续访问单元，并且基于在视频比特流中不存在后续访问单元的一个或多个随机访问跳过的前导（RASL）图像， 基于图像缓冲器去除延迟偏移，图像缓冲器的图像缓冲器移除时间较早地移位。

公开(公告)号：US09398293B2

公开(公告)日：2016-07-19

申请号：US14148000

申请日：2014-01-06

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Adarsh Krishnan Ramasubramonian

IPC: H04N11/02 ,  H04N19/44 ,  H04N19/70 ,  H04N19/107 ,  H04N19/31 ,  H04N19/46

CPC classification number: H04N19/44 ,  H04N19/107 ,  H04N19/31 ,  H04N19/46 ,  H04N19/70

Abstract: An example method of decoding video data includes receiving, in a message associated with a picture, information indicating a refreshed region of the picture, determining whether the picture comprises a last picture in a gradual decoder refresh (GDR) set, determining whether the picture comprises a recovery point picture, and responsive to determining that the picture comprises the last picture in the GDR set and the recovery point picture, determining that the message indicates that the entire picture belongs to the refreshed region of the picture.

Abstract translation: 解码视频数据的示例性方法包括在与图像相关联的消息中接收指示图像的刷新区域的信息，确定图像是否包括逐渐解码器刷新（GDR）集合中的最后一个图像，确定图像是否包括 恢复点图像，并且响应于确定图像包括GDR集合和恢复点图像中的最后一个图像，确定该消息指示整个图像属于图像的刷新区域。

公开(公告)号：US09380317B2

公开(公告)日：2016-06-28

申请号：US13954681

申请日：2013-07-30

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N7/26 ,  H04N19/46 ,  H04N19/70 ,  H04N19/30 ,  H04N19/463

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

Abstract: A device decodes, from a scalable nesting supplemental enhancement information (SEI) message in an encoded video bitstream, a plurality of syntax elements that identify a plurality of operation points to which a nested SEI message encapsulated by the scalable nesting SEI message applies. Furthermore, the device uses one or more syntax elements of the nested SEI message to perform an operation regarding any of the operation points to which the nested SEI message applies.

Abstract translation: 设备从编码视频比特流中的可扩展的嵌套补充增强信息（SEI）消息解码多个语法元素，其识别由可伸缩嵌套SEI消息封装的嵌套SEI消息的多个操作点。 此外，设备使用嵌套SEI消息的一个或多个语法元素来执行与嵌套SEI消息应用于的任何操作点的操作。

公开(公告)号：US09374585B2

公开(公告)日：2016-06-21

申请号：US14036615

申请日：2013-09-25

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N7/12 ,  H04N19/115 ,  H04N19/70 ,  H04N19/146 ,  H04N19/174 ,  H04N19/42 ,  H04N19/433 ,  H04N19/172

CPC classification number: H04N19/115 ,  H04N19/146 ,  H04N19/172 ,  H04N19/174 ,  H04N19/42 ,  H04N19/433 ,  H04N19/70

Abstract: Techniques for low-delay buffering in a video coding process are disclosed. Video decoding techniques may include receiving a first decoded picture buffer (DPB) output delay and a second DPB output delay for a decoded picture, determining, for the decoded picture, a first DPB output time using the first DPB output delay in the case a hypothetical reference decoder (HRD) setting for a video decoder indicates operation at a picture level, and determining, for the decoded picture, a second DPB output time using the second DPB output delay in the case that the HRD setting for the video decoder indicates operation at a sub-picture level.

Abstract translation: 公开了在视频编码过程中用于低延迟缓冲的技术。 视频解码技术可以包括为解码图像接收第一解码图像缓冲器（DPB）输出延迟和第二DPB输出延迟，在假设的情况下，使用第一DPB输出延迟来确定解码图像的第一DPB输出时间 用于视频解码器的参考解码器（HRD）设置指示在图像级别的操作，并且在视频解码器的HRD设置指示操作的情况下，使用第二DPB输出延迟来确定解码图像的第二DPB输出时间 副图像级别。

公开(公告)号：US09374581B2

公开(公告)日：2016-06-21

申请号：US14061260

申请日：2013-10-23

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/70 ,  H04N19/46 ,  H04N19/149 ,  H04N19/44 ,  H04N19/85

CPC classification number: H04N19/70 ,  H04N19/149 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/85

Abstract: In an example, the disclosure provides for receiving a coded video sequence comprising encoded pictures of a video sequence and receiving timing parameters for the coded video sequence that include an indication of whether a picture order count (POC) value for each picture in the coded video sequence that is not a first picture in the coded video sequence according to a decoding order is proportional to an output time of the picture relative to an output time of the first picture in the coded video sequence in a video parameter set (VPS) syntax structure referenced by the coded video sequence. Another example provides for encoding pictures of a video sequence to generate the coded video sequence comprising the encoded pictures and signaling timing parameters for the coded video sequence by signaling the indication in the VPS syntax structure referenced by the coded video sequence.

Abstract translation: 在一个示例中，本公开提供用于接收包括视频序列的编码图像和接收编码视频序列的定时参数的编码视频序列，其包括编码视频中每个图像的图像顺序计数（POC）值的指示 根据解码顺序，不是编码视频序列中的第一图像的序列与图像相对于视频参数集（VPS）语法结构中的编码视频序列中的第一图像的输出时间的输出时间成比例 由编码视频序列引用。 另一示例提供编码视频序列的图像以通过以编码的视频序列所参考的VPS语法结构中的指示信号来生成包括经编码的图像的编码图像和信令定时参数的编码视频序列。

公开(公告)号：US09369711B2

公开(公告)日：2016-06-14

申请号：US14061130

申请日：2013-10-23

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/70 ,  H04N19/46 ,  H04N19/149 ,  H04N19/44 ,  H04N19/85

CPC classification number: H04N19/70 ,  H04N19/149 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/85

Abstract: In an example, the disclosure provides for encoding pictures of a video sequence to generate a coded video sequence comprising the encoded pictures and signaling timing parameters for the coded video sequence by directly signaling a condition for signaling a number of clock ticks corresponding to a difference of picture order count (POC) values equal to 1 in at least one of a video parameter set (VPS) syntax structure referenced by the coded video sequence and a sequence parameter set (SPS) syntax structure referenced by the coded video sequence. Another example provides for receiving timing parameters for a coded video sequence that include a condition for signaling a number of clock ticks corresponding to a difference of POC values equal to 1 directly in at least one of a VPS syntax structure referenced by the coded video sequence and an SPS syntax structure referenced by the coded video sequence.

Abstract translation: 在一个示例中，本公开提供对视频序列的图像进行编码，以通过直接发信号通知用于发信号通知编码视频序列的编码图像和编码视频序列的信号定时参数， 由编码视频序列参考的视频参数集（VPS）语法结构和由编码视频序列参考的序列参数集（SPS）语法结构中的至少一个中的图像顺序计数（POC）值等于1。 另一个示例提供了接收编码视频序列的定时参数，该编码视频序列包括用于在由编码视频序列参考的VPS语法结构中的至少一个中直接发送对应于等于1的POC值的差异的多个时钟周期的条件，以及 由编码的视频序列引用的SPS语法结构。

公开(公告)号：US09338474B2

公开(公告)日：2016-05-10

申请号：US13622931

申请日：2012-09-19

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang

IPC: H04N7/32 ,  H04N7/12 ,  H04N7/26 ,  H04N19/58 ,  H04N19/105 ,  H04N19/176 ,  H04N19/70 ,  H04N19/463 ,  H04N19/174

CPC classification number: H04N19/58 ,  H04N7/12 ,  H04N19/105 ,  H04N19/174 ,  H04N19/176 ,  H04N19/463 ,  H04N19/50 ,  H04N19/70

Abstract: Techniques are described related to modifying an initial reference picture list. The example techniques may identify a reference picture in at least one of the reference picture subsets used to construct the initial reference picture. The example techniques may list the identified reference picture in a current entry of the initial reference picture list to construct a modified reference picture list.

Abstract translation: 描述与修改初始参考图片列表有关的技术。 示例性技术可以在用于构建初始参考图片的参考图像子集中的至少一个中识别参考图片。 示例性技术可以在初始参考图片列表的当前条目中列出所识别的参考图片，以构建修改的参考图片列表。

公开(公告)号：US20150382018A1

公开(公告)日：2015-12-31

申请号：US14749577

申请日：2015-06-24

Applicant: QUALCOMM Incorporated

Inventor： Fnu Hendry ,  Adarsh Krishnan Ramasubramonian ,  Ye-Kui Wang

IPC: H04N19/593 ,  H04N19/184 ,  H04N19/573 ,  H04N19/187

CPC classification number: H04N19/593 ,  H04N19/184 ,  H04N19/187 ,  H04N19/30 ,  H04N19/46 ,  H04N19/573 ,  H04N19/597 ,  H04N19/70

Abstract: A device for video encoding multi-layer video data includes a memory configured to store at least a portion of a multi-layer bitstream of video data and one or more processors configured to: encode a first access unit comprising at least a layer and a reference layer of the layer; determine if the first access unit is a recovery point; in response to the first access unit being a recovery point, include in the first access unit, a recovery point SEI message that applies to at least the layer and the reference layer; and generate the first access unit with the SEI message.

Abstract translation: 一种用于视频编码多层视频数据的设备包括被配置为存储视频数据的多层比特流的至少一部分的存储器和一个或多个处理器，其被配置为：对包括至少一个层和参考的第一访问单元进行编码 层的层; 确定第一个访问单元是否是恢复点; 响应于作为恢复点的第一访问单元，在第一访问单元中包括适用于至少该层和参考层的恢复点SEI消息; 并产生具有SEI消息的第一接入单元。

公开(公告)号：US20150381991A1

公开(公告)日：2015-12-31

申请号：US14749544

申请日：2015-06-24

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Fnu Hendry ,  Adarsh Krishnan Ramasubramonian

IPC: H04N19/174 ,  H04N19/70

CPC classification number: H04N19/174 ,  H04N19/129 ,  H04N19/187 ,  H04N19/196 ,  H04N19/30 ,  H04N19/40 ,  H04N19/423 ,  H04N19/44 ,  H04N19/513 ,  H04N19/70

Abstract: A device for processing video data includes a memory configured to store at least a portion of a bitstream of multi-layer video data and one or more processors configured to generate a first video coding layer (VCL) network abstraction layer (NAL) unit for a first picture of an access unit, the first VCL NAL unit comprising a first slice type; generate a second VCL NAL unit for a second picture of the access unit, the second VCL NAL unit comprising a second slice type; and generate an access unit delimiter (AUD) NAL unit based on the first and second slice types.

Abstract translation: 一种用于处理视频数据的设备包括被配置为存储多层视频数据的比特流的至少一部分的存储器和被配置为生成第一视频编码层（VCL）网络抽象层（NAL）单元）的一个或多个处理器， 所述第一VCL NAL单元包括第一切片类型; 为所述存取单元的第二画面生成第二VCL NAL单元，所述第二VCL NAL单元包括第二片类型; 并且基于第一和第二切片类型生成访问单元限定符（AUD）NAL单元。

公开(公告)号：US09225978B2

公开(公告)日：2015-12-29

申请号：US13773060

申请日：2013-02-21

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Ying Chen

IPC: H04N19/00 ,  H04N19/70 ,  H04N19/172 ,  H04N19/46 ,  H04N19/134 ,  H04N19/102 ,  H04N19/177 ,  H04N19/44 ,  H04N21/234 ,  H04N21/6336 ,  H04N21/647 ,  H04N19/50 ,  G06F15/16 ,  H04N19/142 ,  H04N19/162

CPC classification number: H04N19/44 ,  H04N19/00 ,  H04N19/102 ,  H04N19/134 ,  H04N19/142 ,  H04N19/162 ,  H04N19/172 ,  H04N19/177 ,  H04N19/42 ,  H04N19/46 ,  H04N19/52 ,  H04N19/593 ,  H04N19/70 ,  H04N19/85 ,  H04N21/23424 ,  H04N21/6336 ,  H04N21/64753

Abstract: Systems, methods, and devices for processing video data are disclosed. Some examples systems, methods, and devices receive an external indication at a video decoder. The example systems, methods, and devices treat a clean random access (CRA) picture as a broken link access (BLA) picture based on the external indication.

Abstract translation: 公开了用于处理视频数据的系统，方法和设备。 一些示例系统，方法和设备在视频解码器处接收外部指示。 示例系统，方法和设备基于外部指示将干净的随机访问（CRA）图像视为断开的链路访问（BLA）图像。