公开(公告)号：US20150271526A1

公开(公告)日：2015-09-24

申请号：US14657617

申请日：2015-03-13

Applicant: QUALCOMM Incorporated

Inventor： Fnu HENDRY ,  Adarsh Krishnan RAMASUBRAMONIAN ,  Ye-Kui WANG ,  Vadim SEREGIN

IPC: H04N19/70 ,  H04N19/172 ,  H04N19/46

CPC classification number: H04N19/70 ,  H04N19/124 ,  H04N19/172 ,  H04N19/187 ,  H04N19/188 ,  H04N19/30 ,  H04N19/31 ,  H04N19/46 ,  H04N19/60

Abstract: According to certain aspects, an apparatus for coding video information includes a memory and a processor configured to determine whether a first syntax element is present in a bitstream, the first syntax element associated with a sequence parameter set (SPS) and a first flag indicative of whether a temporal identifier (ID) of a reference picture for pictures that refer to the SPS can be nested; and in response to determining that the first syntax element is not present in the bitstream: obtain a second syntax element indicative of a maximum number of temporal sub-layers in a particular layer of the plurality of layers; and determine whether to set the first flag equal to a second flag indicative of whether a temporal ID of a reference picture for any pictures can be nested based at least in part on a value of the second syntax element.

Abstract translation: 根据某些方面，用于对视频信息进行编码的装置包括存储器和处理器，其被配置为确定位流中是否存在第一语法元素，与序列参数集（SPS）相关联的第一语法元素以及指示 是否可以嵌套参考SPS的图片的参考图片的时间标识符（ID）; 并且响应于确定所述第一语法元素不存在于所述比特流中：获得指示所述多个层的特定层中的最大数量的时间子层的第二语法元素; 并且确定是否将所述第一标志设置为等于指示用于任何图片的参考图片的时间ID是否可以至少部分地基于所述第二语法元素的值来嵌套的第二标志。

公开(公告)号：US20150271506A1

公开(公告)日：2015-09-24

申请号：US14657624

申请日：2015-03-13

Applicant: QUALCOMM Incorporated

Inventor： Fnu HENDRY ,  Adarsh Krishnan RAMASUBRAMONIAN ,  Ye-Kui WANG ,  Vadim SEREGIN

IPC: H04N19/169 ,  H04N19/124 ,  H04N19/60 ,  H04N19/187 ,  H04N19/46

CPC classification number: H04N19/70 ,  H04N19/124 ,  H04N19/172 ,  H04N19/187 ,  H04N19/188 ,  H04N19/30 ,  H04N19/31 ,  H04N19/46 ,  H04N19/60

Abstract: An apparatus for coding video information according to certain aspects includes a memory and a processor. The memory is configured to store video information associated with one or more layers. The processor is configured to code a current access unit (AU) in a bitstream including a plurality of layers, the plurality of layers including a reference layer and at least one corresponding enhancement layer. The processor is further configured to code a first end of sequence (EOS) network abstraction layer (NAL) unit associated with the reference layer in the current AU, the first EOS NAL unit having the same layer identifier (ID) as the reference layer. The processor is also configured to code a second EOS NAL unit associated with the enhancement layer in the current AU, the second EOS NAL unit having the same layer ID as the enhancement layer.

Abstract translation: 根据某些方面的用于编码视频信息的装置包括存储器和处理器。 存储器被配置为存储与一个或多个层相关联的视频信息。 处理器被配置为对包括多个层的比特流中的当前访问单元（AU）进行编码，所述多个层包括参考层和至少一个对应的增强层。 处理器还被配置为对与当前AU中的参考层相关联的序列（EOS）网络抽象层（NAL）单元进行编码，第一EOS NAL单元具有与参考层相同的层标识符（ID）。 处理器还被配置为对与当前AU中的增强层相关联的第二EOS NAL单元进行编码，第二EOS NAL单元具有与增强层相同的层ID。

公开(公告)号：US20150264370A1

公开(公告)日：2015-09-17

申请号：US14656469

申请日：2015-03-12

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan RAMASUBRAMONIAN ,  Ye-Kui WANG ,  Fnu HENDRY

IPC: H04N19/33 ,  H04N19/196 ,  H04N19/187 ,  H04N19/167 ,  H04N19/18

CPC classification number: H04N19/33 ,  H04N19/167 ,  H04N19/18 ,  H04N19/187 ,  H04N19/196 ,  H04N19/30 ,  H04N19/423 ,  H04N19/597 ,  H04N19/70

Abstract: An apparatus according to certain aspects includes a memory and a processor configured to: in response to determining that a reference layer intra random access point (IRAP) picture starts a new coded video sequence (CVS) at the current AU: determine whether the reference layer IRAP picture activates a new video parameter set (VPS) or defines a prediction boundary at the current AU; in response to determining that the reference layer IRAP picture activates a new VPS or defines a prediction boundary at the current AU, remove pictures in the decoded picture buffer (DPB) associated with each of a plurality of layers; and in response to determining that the reference layer IRAP picture does not activate a new VPS and does not define a prediction boundary at the current AU, remove only pictures in the DPB associated with the reference layer.

Abstract translation: 根据某些方面的装置包括存储器和处理器，其被配置为：响应于确定参考层内随机接入点（IRAP）图片在当前AU处开始新的编码视频序列（CVS）：确定参考层 IRAP图片激活新的视频参数集（VPS）或在当前AU定义预测边界; 响应于确定参考层IRAP图片激活新的VPS或在当前AU定义预测边界，去除与多个层中的每一层相关联的解码图像缓冲器（DPB）中的图像; 并且响应于确定参考层IRAP图片不激活新的VPS并且不在当前AU处定义预测边界，仅去除与参考层相关联的DPB中的图片。

公开(公告)号：US20150103923A1

公开(公告)日：2015-04-16

申请号：US14513034

申请日：2014-10-13

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan RAMASUBRAMONIAN ,  Ying CHEN ,  Ye-Kui WANG ,  Fnu HENDRY

IPC: H04N19/37

CPC classification number: H04N19/187 ,  H04N19/30 ,  H04N19/46 ,  H04N19/68 ,  H04N19/70 ,  H04N19/80 ,  H04N19/86

Abstract: An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a video layer having a picture. The processor is configured to determine whether the picture is a non-picture-order-count (POC)-anchor picture, and based on the determination of whether the picture is a non-POC-anchor picture, perform one of (1) refraining from indicating a POC reset in connection with the picture, or (2) indicating the POC reset in connection with the picture. The processor may encode or decode the video information.

Abstract translation: 被配置为对视频信息进行编码的装置包括与存储器单元通信的存储器单元和处理器。 存储单元被配置为存储与具有图像的视频层相关联的视频信息。 处理器被配置为确定图像是非图像顺序计数（POC）图像，并且基于图像是否是非POC锚图像的确定，执行以下中的一个：（1）避免 指示与图像相关的POC复位，或（2）指示与图像相关的POC复位。 处理器可以对视频信息进行编码或解码。

公开(公告)号：US20140301466A1

公开(公告)日：2014-10-09

申请号：US14242679

申请日：2014-04-01

Applicant: QUALCOMM INCORPORATED

Inventor： Xiang LI ,  Ye-Kui WANG ,  Ying CHEN ,  Jianle CHEN ,  Adarsh Krishnan RAMASUBRAMONIAN ,  Marta KARCZEWICZ

IPC: H04N19/51 ,  H04N19/34

CPC classification number: H04N19/105 ,  H04N19/136 ,  H04N19/187 ,  H04N19/30 ,  H04N19/597

Abstract: An apparatus for decoding video information according to certain aspects includes a memory unit and a processor operationally coupled to the memory unit. The memory unit is configured to store at least one reference picture list of an enhancement layer, the at least one reference picture list comprising residual prediction reference picture information. The processor is configured to: decode signaled information about residual prediction reference picture generation; generate a residual prediction reference picture based on an enhancement layer reference picture and the decoded signaled information such that the generated residual prediction reference picture has the same motion field and the same picture order count (POC) as the enhancement layer reference picture from which it is generated; and store the generated residual prediction reference picture in the at least one reference picture list of the enhancement layer.

Abstract translation: 根据某些方面的用于解码视频信息的装置包括存储器单元和可操作地耦合到存储器单元的处理器。 存储器单元被配置为存储增强层的至少一个参考图像列表，该至少一个参考图像列表包括残留预测参考图像信息。 处理器被配置为：解码关于残差预测参考图片生成的信号信息; 基于增强层参考图像和解码信号信息生成残差预测参考图像，使得所生成的残差预测参考图像具有与其相同的运动场和与其相同的图像顺序计数（POC） 生成的 并将生成的残差预测参考图像存储在增强层的至少一个参考图像列表中。

公开(公告)号：US20140086324A1

公开(公告)日：2014-03-27

申请号：US13946730

申请日：2013-07-19

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan RAMASUBRAMONIAN ,  Ye-Kui WANG

IPC: H04N7/36 ,  H04N7/34

CPC classification number: H04N19/58 ,  H04N19/70

Abstract: A video encoder signals, in a slice header for a current slice of a current picture, a first long-term reference picture (LTRP) entry, the first LTRP entry indicating that a particular reference picture is in a long-term reference picture set of the current picture. Furthermore, the video encoder signals, in the slice header, a second LTRP entry only if second LTRP entry does not indicate that the particular reference picture is in the long-term reference picture set of the current picture.

Abstract translation: 视频编码器在用于当前图像的当前片段的片标题中信号指示第一长期参考图片（LTRP）条目，所述第一LTRP条目指示特定参考图片在长期参考图片集 当前图片。 此外，视频编码器仅在第二LTRP条目未指示特定参考图像在当前图像的长​​期参考图像集中时，在片标题中信号第二LTRP条目。

公开(公告)号：US20130272403A1

公开(公告)日：2013-10-17

申请号：US13862282

申请日：2013-04-12

Applicant: QUALCOMM INCORPORATED

Inventor： Adarsh Krishnan RAMASUBRAMONIAN ,  Ying CHEN ,  Ye-Kui WANG

IPC: H04N7/32

CPC classification number: H04N19/50 ,  H04N19/463 ,  H04N19/58 ,  H04N19/70

Abstract: In one example, a device for decoding video data includes a video decoder configured to decode one or more syntax elements of a current reference picture set (RPS) prediction data structure, wherein at least one of the syntax elements represents a picture order count (POC) difference between a POC value associated with the current RPS and a POC value associated with a previously decoded RPS, form a current RPS based at least in part on the RPS prediction data structure and the previously decoded RPS, and decode one or more pictures using the current RPS. A video encoder may be configured to perform a substantially similar process during video encoding.

Abstract translation: 在一个示例中，用于解码视频数据的设备包括：视频解码器，被配置为对当前参考图像集（RPS）预测数据结构的一个或多个语法元素进行解码，其中至少一个语法元素表示图像顺序计数（POC ）与当前RPS相关联的POC值与与先前解码的RPS相关联的POC值之间的差异，至少部分地基于RPS预测数据结构和先前解码的RPS形成当前RPS，并且使用 目前的RPS。 视频编码器可以被配置为在视频编码期间执行基本相似的处理。