公开(公告)号：US20190007688A1

公开(公告)日：2019-01-03

申请号：US16020179

申请日：2018-06-27

Applicant: QUALCOMM Incorporated

Inventor： Kai ZHANG ,  Jianle CHEN ,  Xin ZHAO ,  Marta KARCZEWICZ

IPC: H04N19/159 ,  H04N19/11 ,  H04N19/109 ,  H04N19/176 ,  H04N19/186 ,  H04N19/70

Abstract: An apparatus configured to encode or decode video data that includes a memory configured to store at least one reconstructed sample of video data and at least one processor, in communication with the memory, that is configured to identify at least one reconstructed sample, determine at least one extended angular intra prediction mode to use for intra prediction of at least one sample of a current block, intra predict, using the at least one extended angular intra prediction mode, at least one sample of the current block based on the at least one reconstructed sample, extended angular intra prediction modes including angular intra prediction modes other than angular prediction modes between horizontal −45 degrees and vertical −45 degrees, and encode or decode the current block based on the at least one predicted sample.

公开(公告)号：US20150023419A1

公开(公告)日：2015-01-22

申请号：US14334417

申请日：2014-07-17

Applicant: QUALCOMM INCORPORATED

Inventor： Jianle CHEN ,  Vadim SEREGIN ,  Xiang LI ,  Krishnakanth RAPAKA ,  Marta KARCZEWICZ

IPC: H04N19/30 ,  H04N19/174 ,  H04N19/577

CPC classification number: H04N19/105 ,  H04N19/157 ,  H04N19/174 ,  H04N19/30 ,  H04N19/33 ,  H04N19/577 ,  H04N19/70

Abstract: An apparatus configured to code video information includes a memory and a processor in communication with the memory. The memory is configured to store video information associated with a reference layer and an enhancement layer, the reference layer comprising a reference layer (RL) picture having a first slice and a second slice, and the enhancement layer comprising an enhancement layer (EL) picture corresponding to the RL picture. The processor is configured to generate an inter-layer reference picture (ILRP) by upsampling the RL picture, the ILRP having a single slice associated therewith, set slice information of the single slice of the ILRP equal to slice information of the first slice, and use the ILRP to code at least a portion of the EL 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通信的存储器和处理器。 所述存储器被配置为存储与参考层和增强层相关联的视频信息，所述参考层包括具有第一切片和第二切片的参考层（RL）图像，所述增强层包括增强层（EL）图像 对应于RL图片。 处理器被配置为通过对RL图像进行上采样来产生层间参考图片（ILRP），ILRP具有与其相关联的单个切片，将ILRP的单个切片的切片信息设置为等于第一切片的切片信息，以及 使用ILRP来编码EL图片的至少一部分。 处理器可以对视频信息进行编码或解码。

公开(公告)号：US20140362909A1

公开(公告)日：2014-12-11

申请号：US14294913

申请日：2014-06-03

Applicant: QUALCOMM Incorporated

Inventor： Jianle CHEN ,  Xiang LI ,  Wei PU ,  Marta KARCZEWICZ

IPC: H04N19/31 ,  H04N19/64 ,  H04N19/615

CPC classification number: H04N19/31 ,  H04N19/33 ,  H04N19/42 ,  H04N19/615 ,  H04N19/64 ,  H04N19/82

Abstract: An apparatus for coding video information according to certain aspects includes a memory and a processor. The memory unit is configured to store video information. The processor is configured to: obtain reference layer video information; upsample the reference layer video information in a first dimension to generate an intermediate output; constrain the intermediate output to a predetermined bit depth; and upsample the constrained intermediate output in a second dimension, wherein the second dimension is orthogonal to the first dimension.

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。 存储单元被配置为存储视频信息。 处理器被配置为：获得参考层视频信息; 在第一维度中对参考层视频信息进行上采样以产生中间输出; 将中间输出约束到预定位深度; 并且在第二维度中对约束的中间输出进行上采样，其中第二维度与第一维度正交。

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：US20140269939A1

公开(公告)日：2014-09-18

申请号：US14205006

申请日：2014-03-11

Applicant: QUALCOMM Incorporated

Inventor： Liwei GUO ,  Jianle CHEN ,  Xiang LI ,  Krishnakanth RAPAKA ,  Wei PU ,  Marta KARCZEWICZ

IPC: H04N19/597 ,  H04N19/117 ,  H04N19/136 ,  H04N19/187

CPC classification number: H04N19/439 ,  H04N19/117 ,  H04N19/132 ,  H04N19/187 ,  H04N19/33 ,  H04N19/34 ,  H04N19/46 ,  H04N19/59

Abstract: An apparatus configured to code video information comprises a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a reference layer (RL) and an enhancement layer (EL). The EL comprises an EL video unit and the RL comprises an RL video unit corresponding to the EL video unit. The processor is configured to perform upsampling and bit-depth conversion on pixel information of the RL video unit in a single combined process to determine predicted pixel information of the EL video unit, and determine the EL video unit using the predicted pixel 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参考层（RL）和增强层（EL）相关联的视频信息。 EL包括EL视频单元，并且RL包括对应于EL视频单元的RL视频单元。 处理器被配置为在单个组合处理中对RL视频单元的像素信息执行上采样和位深度转换，以确定EL视频单元的预测像素信息，并且使用预测像素信息来确定EL视频单元。

公开(公告)号：US20140241437A1

公开(公告)日：2014-08-28

申请号：US14184633

申请日：2014-02-19

Applicant: QUALCOMM Incorporated

Inventor： Vadim SEREGIN ,  Jianle CHEN ,  Ye-Kui WANG ,  Xiang LI

IPC: H04N19/29

CPC classification number: H04N19/105 ,  H04N19/134 ,  H04N19/187 ,  H04N19/29 ,  H04N19/33 ,  H04N19/70

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 reference layer (RL) and an enhancement layer, the RL comprising an RL picture having an output region that includes a portion of the RL picture. The processor is configured to determine whether a condition indicates that information outside of the output region is available to predict a current block in the enhancement layer. 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。 存储器单元被配置为存储与参考层（RL）和增强层相关联的视频信息，RL包括具有包括RL图像的一部分的输出区域的RL图像。 处理器被配置为确定条件是否指示输出区域之外的信息可用于预测增强层中的当前块。 处理器可以对视频信息进行编码或解码。

公开(公告)号：US20140044162A1

公开(公告)日：2014-02-13

申请号：US13959635

申请日：2013-08-05

Applicant: QUALCOMM Incorporated

Inventor： Liwei GUO ,  Jianle CHEN ,  Chengjie TU ,  Marta KARCZEWICZ ,  Xiang LI ,  Vadim SEREGIN

IPC: H04N7/26

CPC classification number: H04N19/52 ,  H04N19/119 ,  H04N19/122 ,  H04N19/139 ,  H04N19/147 ,  H04N19/187 ,  H04N19/30 ,  H04N19/50

Abstract: Systems and methods for determining information about an enhancement layer of digital video based on information included in a base layer of digital video are described. In one innovative aspect, an apparatus for coding digital video is provided. The apparatus includes a memory for storing a base layer of digital video information and an enhancement layer of digital video information. The apparatus determines a syntax element value for a portion of the enhancement layer based on a syntax element value for a corresponding portion of the base layer. Decoding devices and methods as well as corresponding encoding devices and methods are described.

Abstract translation: 描述了基于数字视频基础层中包含的信息确定关于数字视频增强层的信息的系统和方法。 在一个创新的方面，提供了一种用于编码数字视频的装置。 该装置包括用于存储数字视频信息的基础层和数字视频信息的增强层的存储器。 该装置基于用于基本层的对应部分的语法元素值来确定增强层的一部分的语法元素值。 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：US20140010310A1

公开(公告)日：2014-01-09

申请号：US13934542

申请日：2013-07-03

Applicant: QUALCOMM Incorporated

Inventor： Krishnakanth RAPAKA ,  Jianle CHEN ,  Marta KARCZEWICZ

IPC: H04N7/36

CPC classification number: H04N19/51 ,  H04N19/30 ,  H04N19/52 ,  H04N19/523 ,  H04N19/59

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines pixel accuracy of motion predictor information, determines a motion vector based on the pixel accuracy of the motion predictor information, and determines a value of a video unit based at least in part on the motion vector.

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单元和与存储器单元通信的处理器。 存储单元存储与视频信息的增强层和对应的基本层之间的差异导出的像素信息的差异视频层相关联的差分视频信息。 处理器确定运动预测器信息的像素精度，基于运动预测器信息的像素精度确定运动矢量，并且至少部分地基于运动矢量确定视频单元的值。

公开(公告)号：US20140010300A1

公开(公告)日：2014-01-09

申请号：US13935283

申请日：2013-07-03

Applicant: QUALCOMM Incorporated

Inventor： Krishnakanth RAPAKA ,  Jianle CHEN ,  Marta KARCZEWICZ

IPC: H04N7/26

CPC classification number: H04N19/30 ,  H04N19/105 ,  H04N19/147 ,  H04N19/33 ,  H04N19/593 ,  H04N19/70 ,  H04N19/80 ,  H04N19/82 ,  H04N19/85 ,  H04N19/86

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines a value of a video unit based on a reference video unit or spatial neighboring video unit within the difference video layer and applies a smoothing filter to the reference video unit or spatial neighboring video unit.

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单元和与存储器单元通信的处理器。 存储单元存储与视频信息的增强层和对应的基本层之间的差异导出的像素信息的差异视频层相关联的差分视频信息。 处理器基于差分视频层内的参考视频单元或空间相邻视频单元来确定视频单元的值，并将平滑滤波器应用于参考视频单元或空间相邻视频单元。

公开(公告)号：US20130329782A1

公开(公告)日：2013-12-12

申请号：US13910995

申请日：2013-06-05

Applicant: QUALCOMM Incorporated

Inventor： Vadim SEREGIN ,  Chengjie TU ,  Jianle CHEN ,  Marta KARCZEWICZ

IPC: H04N7/26

CPC classification number: H04N19/117 ,  H04N19/159 ,  H04N19/172 ,  H04N19/187 ,  H04N19/33

Abstract: In one embodiment, a video coder for coding video data includes a processor and a memory. The processor selects a filter set from a multiple filter sets for upsampling reference layer video data based at least on a prediction operation mode for enhanced layer video data and upsamples the reference layer video data using the selected filter set. Some of the multiple filter sets have some different filter characteristics from one another, and the upsampled reference layer video data has the same spatial resolution as the enhanced layer video data. The processor further codes the enhanced layer video data based at least on the upsampled reference layer video data and the prediction operation mode. The memory stores the upsampled reference layer video data.

Abstract translation: 在一个实施例中，用于编码视频数据的视频编码器包括处理器和存储器。 处理器至少基于用于增强层视频数据的预测操作模式从多个滤波器组中选择用于上采样参考层视频数据的滤波器组，并使用所选择的滤波器组对参考层视频数据进行上采样。 多个滤波器组中的一些具有彼此具有一些不同的滤波器特性，并且上采样的参考层视频数据具有与增强层视频数据相同的空间分辨率。 处理器至少基于上采样的参考层视频数据和预测操作模式来对增强层视频数据进行编码。 存储器存储上采样的参考层视频数据。