公开(公告)号：US20140294063A1

公开(公告)日：2014-10-02

申请号：US14228031

申请日：2014-03-27

Applicant: QUALCOMM Incorporated

Inventor： Jianle CHEN ,  Xiang LI ,  Krishnakanth RAPAKA ,  Ye-Kui WANG ,  Marta KARCZEWICZ

IPC: H04N19/105 ,  H04N19/30 ,  H04N19/503 ,  H04N19/176

CPC classification number: H04N19/105 ,  H04N19/176 ,  H04N19/30 ,  H04N19/33 ,  H04N19/46 ,  H04N19/503 ,  H04N19/593 ,  H04N19/70

Abstract: In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store reference layer pictures associated with a reference layer, an enhancement layer, or both. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment, the processor is configured to restrict usage of at most one reference layer pictures that has a different spatial resolution than a current picture as an inter-layer reference picture, and predict the current picture using inter-layer prediction and the inter-layer reference picture.

Abstract translation: 在一个实现中，提供了一种用于对视频信息进行编码或解码的装置。 该装置包括被配置为存储与参考层，增强层或两者相关联的参考层图像的存储单元。 该装置还包括可操作地耦合到存储器单元的处理器。 在一个实施例中，处理器被配置为将具有与当前图像不同的空间分辨率的至多一个参考层图像的使用限制为层间参考图像，并且使用层间预测和帧间预测来预测当前图像， 层参考图片。

公开(公告)号：US20140247879A1

公开(公告)日：2014-09-04

申请号：US14191311

申请日：2014-02-26

Applicant: QUALCOMM Incorporated

Inventor： Vadim SEREGIN ,  Liwei GUO ,  Jianle CHEN ,  Krishnakanth RAPAKA

IPC: H04N19/30

CPC classification number: H04N19/33 ,  H04N19/43 ,  H04N19/513 ,  H04N19/52 ,  H04N19/55 ,  H04N19/61

Abstract: In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store video information associated with a base layer and/or an enhancement layer. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment, the processor is configured to determine a scaling factor based on spatial dimension values associated with the base and enhancement layers such that the scaling factor is constrained within a predetermined range. The processor is also configured to spatially scale an element associated with the base layer or enhancement layer using the scaling factor and a temporal motion vector scaling process.

Abstract translation: 在一个实现中，提供了一种用于对视频信息进行编码或解码的装置。 该装置包括被配置为存储与基本层和/或增强层相关联的视频信息的存储器单元。 该装置还包括可操作地耦合到存储器单元的处理器。 在一个实施例中，处理器被配置为基于与基本和增强层相关联的空间维度值来确定缩放因子，使得缩放因子被限制在预定范围内。 处理器还被配置为使用缩放因子和时间运动矢量缩放处理来空间地缩放与基本层或增强层相关联的元素。

公开(公告)号：US20140098880A1

公开(公告)日：2014-04-10

申请号：US14035129

申请日：2013-09-24

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/36

CPC classification number: H04N19/159 ,  H04N19/176 ,  H04N19/33 ,  H04N19/463 ,  H04N19/517 ,  H04N19/52

Abstract: In one embodiment, an apparatus configured to code video data includes a processor and a memory unit. The memory unit stores video data associated with a first layer having a first spatial resolution and a second layer having a second spatial resolution. The video data associated with the first layer includes at least a first layer block and first layer prediction mode information associated with the first layer block, and the first layer block includes a plurality of sub-blocks where each sub-block is associated with respective prediction mode data of the first layer prediction mode information. The processor derives the predication mode data associated with one of the plurality of sub-blocks based at least on a selection rule, upsamples the derived prediction mode data and the first layer block, and associates the upsampled prediction mode data with each upsampled sub-block of the upsampled first layer block.

Abstract translation: 在一个实施例中，被配置为对视频数据进行编码的装置包括处理器和存储器单元。 存储单元存储与具有第一空间分辨率的第一层相关联的视频数据和具有第二空间分辨率的第二层。 与第一层相关联的视频数据至少包括与第一层块相关联的第一层块和第一层预测模式信息，并且第一层块包括多个子块，其中每个子块与相应的预测相关联 模式数据的第一层预测模式信息。 处理器至少基于选择规则导出与多个子块中的一个相关联的预测模式数据，对导出的预测模式数据和第一层块进行上采样，并将上采样的预测模式数据与每个上采样的子块相关联 的上采样第一层块。

公开(公告)号：US20140010292A1

公开(公告)日：2014-01-09

申请号：US13935393

申请日：2013-07-03

Applicant: QUALCOMM Incorporated

Inventor： Krishnakanth RAPAKA ,  Jianle CHEN ,  Marta KARCZEWICZ

IPC: H04N7/32

CPC classification number: H04N19/103 ,  H04N19/11 ,  H04N19/147 ,  H04N19/176 ,  H04N19/187 ,  H04N19/196 ,  H04N19/30 ,  H04N19/46 ,  H04N19/593 ,  H04N19/70

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 the difference video layer. The processor is further configured to refrain from performing a transform and residual coding of the determined value of the 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。 处理器基于差异视频层来确定视频单元的值。 处理器还被配置为不执行对所确定的视频单元的值的变换和残差编码。

公开(公告)号：US20160381373A1

公开(公告)日：2016-12-29

申请号：US15187694

申请日：2016-06-20

Applicant: QUALCOMM Incorporated

Inventor： Vadim Seregin ,  Krishnakanth RAPAKA ,  Ye-Kui WANG ,  Marta KARCZEWICZ

IPC: H04N19/503 ,  H04N19/593

CPC classification number: H04N19/503 ,  H04N19/573 ,  H04N19/593 ,  H04N19/70

Abstract: An apparatus configured to construct a reference picture list includes a memory and one or more processors in communication with the memory. The memory is configured to store one or more reference pictures. The one or more processors are configured to determine (i) a first number representative of a total number of reference pictures available for prediction in at least one of inter mode or intra block copy mode and (ii) a second number representative of a total number of reference pictures to be included in the reference picture list, and in response to a determination that the second number is greater than or equal to the first number, refrain from replacing a reference picture in the reference picture list with a current picture to be predicted. The one or more processors may encode or decode the current picture based on the reference picture list.

Abstract translation: 被配置为构造参考图片列表的装置包括存储器和与存储器通信的一个或多个处理器。 存储器被配置为存储一个或多个参考图片。 所述一个或多个处理器被配置为确定（i）代表在帧间模式或块内复制模式中的至少一个中可用于预测的参考图片的总数的第一数字，以及（ii）总数的第二数字代表 的参考图像被包括在参考图像列表中，并且响应于第二个数量大于或等于第一个数字的确定，不用当前要预测的图像替换参考图像列表中的参考图像 。 一个或多个处理器可以基于参考图片列表对当前图片进行编码或解码。

公开(公告)号：US20140301456A1

公开(公告)日：2014-10-09

申请号：US14242526

申请日：2014-04-01

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui WANG ,  Jianle CHEN ,  Krishnakanth RAPAKA ,  Ying CHEN

IPC: H04N19/503 ,  H04N19/30

CPC classification number: H04N19/30 ,  H04N19/463 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70

Abstract: In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory configured to store inter-layer reference pictures associated with a current picture that is being coded. The apparatus further comprises a processor operationally coupled to the memory. In one embodiment, the processor is configured to indicate a number of inter-layer reference pictures to use to predict the current picture using inter-layer prediction. The processor is also configured to indicate which of the inter-layer reference pictures to use to predict the current picture using inter-layer prediction. The processor is also configured to determine an inter-layer reference picture set associated with the current picture using the indication of the number of inter-layer reference pictures and the indication of which of the inter-layer reference pictures to use to predict the current picture using inter-layer prediction.

Abstract translation: 在一个实现中，提供了一种用于对视频信息进行编码或解码的装置。 该装置包括被配置为存储与正被编码的当前图片相关联的层间参考图片的存储器。 该装置还包括可操作地耦合到存储器的处理器。 在一个实施例中，处理器被配置为指示用于使用层间预测来预测当前图像的多个层间参考图片。 处理器还被配置为指示哪个层间参考图片用于使用层间预测来预测当前图像。 处理器还被配置为使用层间参考图片的数量的指示和用于预测当前图片的哪个层间参考图片的指示来确定与当前图片相关联的层间参考图片集 使用层间预测。

公开(公告)号：US20140185680A1

公开(公告)日：2014-07-03

申请号：US14137101

申请日：2013-12-20

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/187 ,  H04N19/597 ,  H04N19/154 ,  H04N19/593 ,  H04N19/51 ,  H04N19/59

CPC classification number: H04N19/187 ,  H04N19/154 ,  H04N19/52 ,  H04N19/59 ,  H04N19/593 ,  H04N19/597

Abstract: An apparatus configured to code (e.g., encode or decode) 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 base layer and an enhancement layer. The processor is configured to up-sample a base layer reference block by using an up-sampling filter when the base and enhancement layers have different resolutions; perform motion compensation interpolation by filtering the up-sampled base layer reference block; determine base layer residual information based on the filtered up-sampled base layer reference block; determine weighted base layer residual information by applying a weighting factor to the base layer residual information; and determine an enhancement layer block based on the weighted base layer residual information. The processor may encode or decode the video information.

Abstract translation: 被配置为对视频信息进行编码（例如，编码或解码）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基本层和增强层相关联的视频信息。 处理器被配置为当基层和增强层具有不同分辨率时，通过使用上采样滤波器对基层参考块进行采样; 通过对上采样的基层参考块进行滤波来执行运动补偿内插; 基于滤波的上采样基层参考块确定基层残差信息; 通过对所述基本层残差信息应用加权因子来确定加权基本层残差信息; 并且基于加权的基本层残差信息来确定增强层块。 处理器可以对视频信息进行编码或解码。

公开(公告)号：US20140064360A1

公开(公告)日：2014-03-06

申请号：US14011441

申请日：2013-08-27

Applicant: QUALCOMM INCORPORATED

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

IPC: H04N7/26

CPC classification number: H04N19/30 ,  H04N19/103 ,  H04N19/105 ,  H04N19/11 ,  H04N19/117 ,  H04N19/129 ,  H04N19/136 ,  H04N19/176 ,  H04N19/18 ,  H04N19/187 ,  H04N19/33 ,  H04N19/46 ,  H04N19/59 ,  H04N19/593

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 video information associated with a reference layer and a corresponding enhancement layer. The processor determines a value of a video unit positioned at a position within the enhancement layer based at least in part on an intra prediction value weighted by a first weighting factor, wherein the intra prediction value is determined based on at least one additional video unit in the enhancement layer, and a value of a co-located video unit in the reference layer weighted by a second weighting factor, wherein the co-located video unit is located at a position in the reference layer corresponding to the position of the video unit in the enhancement layer. In some embodiments, the at least one of the first and second weighting factors is between 0 and 1.

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。 存储单元存储与参考层和对应的增强层相关联的视频信息。 处理器至少部分地基于由第一加权因子加权的帧内预测值来确定位于增强层内的位置处的视频单元的值，其中帧内预测值基于至少一个附加视频单元 所述增强层和由第二加权因子加权的参考层中的同位置视频单元的值，其中所述同位置视频单元位于与所述视频单元的位置对应的参考层中的位置 增强层。 在一些实施例中，第一和第二加权因子中的至少一个在0和1之间。

公开(公告)号：US20140015925A1

公开(公告)日：2014-01-16

申请号：US13933588

申请日：2013-07-02

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/36 ,  H04N13/00

CPC classification number: H04N13/161 ,  H04N19/105 ,  H04N19/187 ,  H04N19/33 ,  H04N19/597

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 video information of a reference layer. The processor determines a value of a video unit based at least in part on a prediction value and an adjusted residual prediction value associated with the reference layer. The adjusted residual prediction value is equal to a residual prediction from the reference layer multiplied by a weighting factor that is different from 1.

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。 存储单元存储参考层的视频信息。 处理器至少部分地基于与参考层相关联的预测值和经调整的残差预测值来确定视频单元的值。 调整的残差预测值等于来自参考层的残差预测乘以与1不同的加权因子。

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。