公开(公告)号：WO2014036174A2

公开(公告)日：2014-03-06

申请号：PCT/US2013057139

申请日：2013-08-28

Applicant: QUALCOMM INC

Inventor： RAPAKA KRISHNAKANTH ,  CHEN JIANLE ,  KARCZEWICZ MARTA ,  SEREGIN VADIM

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。 存储器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，其中帧内预测值是基于至少一个附加视频单元确定的 所述增强层以及所述参考层中的共址视频单元的值通过第二加权因子进行加权，其中所述共址视频单元位于所述参考层中与所述视频单元的位置相对应的位置处 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：WO2014011652A3

公开(公告)日：2015-02-05

申请号：PCT/US2013049751

申请日：2013-07-09

Applicant: QUALCOMM INC

Inventor： CHEN YING ,  SEREGIN VADIM ,  KARCZEWICZ MARTA ,  ZHANG LI

IPC: H04N19/51 ,  H04N19/597

CPC classification number: H04N19/503 ,  H04N19/105 ,  H04N19/147 ,  H04N19/172

Abstract: A first reference index value indicates a position, within a reference picture list associated with a current prediction unit (PU) of a current picture, of a first reference picture. A reference index of a co-located PU of a co-located picture indicates a position, within a reference picture list associated with the co-located PU of the co-located picture, of a second reference picture. When the first reference picture and the second reference picture belong to different reference picture types, a video coder sets a reference index of a temporal merging candidate to a second reference index value. The second reference index value is different than the first reference index value.

Abstract translation: 第一参考索引值指示与第一参考图片的当前图片的当前预测单元（PU）相关联的参考图片列表内的位置。 同位置图片的同位置PU的参考索引指示与第二参考图片的同位置图片的同位置PU相关联的参考图片列表内的位置。 当第一参考图像和第二参考图像属于不同的参考图像类型时，视频编码器将时间合并候选的参考索引设置为第二参考索引值。 第二参考索引值不同于第一参考索引值。

公开(公告)号：WO2014134334A3

公开(公告)日：2015-01-08

申请号：PCT/US2014019083

申请日：2014-02-27

Applicant: QUALCOMM INC

Inventor： SEREGIN VADIM ,  GUO LIWEI ,  CHEN JIANLE ,  RAPAKA KRISHNAKANTH

IPC: H04N19/33 ,  H04N19/51

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 (430) 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 (440) 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（430）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（440）与基本层或增强层相关联的元素。

公开(公告)号：WO2014025801A3

公开(公告)日：2014-04-10

申请号：PCT/US2013053819

申请日：2013-08-06

Applicant: QUALCOMM INC

Inventor： GUO LIWEI ,  CHEN JIANLE ,  TU CHENGJIE ,  KARCZEWICZ MARTA ,  LI XIANG ,  SEREGIN VADIM

CPC classification number: H04N19/00151 ,  H04N19/119 ,  H04N19/122 ,  H04N19/139 ,  H04N19/147 ,  H04N19/187 ,  H04N19/30 ,  H04N19/50 ,  H04N19/52

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相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：WO2013106710A3

公开(公告)日：2014-02-20

申请号：PCT/US2013021234

申请日：2013-01-11

Applicant: QUALCOMM INC

Inventor： SEREGIN VADIM ,  SOLE ROJALS JOEL ,  KARCZEWICZ MARTA

CPC classification number: H04N19/119 ,  H03M7/4018 ,  H04N19/13 ,  H04N19/18 ,  H04N19/91

Abstract: In one example, a device for coding video data includes a video coder configured to determine a context for coding a transform coefficient of a video block based on a region of the video block in which the transform coefficient occurs, and entropy code the transform coefficient using the determined context. The region may comprise one of a first region comprising one or more upper-left 4x4 sub-blocks of transform coefficients of the video block and a second region comprising transform coefficients of the video block outside the first region.

Abstract translation: 在一个示例中，用于编码视频数据的设备包括：视频编码器，被配置为基于发生变换系数的视频块的区域来确定用于编码视频块的变换系数的上下文，并且使用 确定的上下文。 该区域可以包括包括视频块的变换系数的一个或多个左上角4×4子块的第一区域和包括第一区域之外的视频块的变换系数的第二区域之一。

公开(公告)号：WO2016187567A3

公开(公告)日：2017-02-09

申请号：PCT/US2016033589

申请日：2016-05-20

Applicant: QUALCOMM INC

Inventor： KARCZEWICZ MARTA ,  ZOU FENG ,  SEREGIN VADIM ,  PU WEI ,  JOSHI RAJAN LAXMAN

IPC: H04N19/13 ,  H04N19/176 ,  H04N19/463 ,  H04N19/593 ,  H04N19/70

CPC classification number: H04N19/91 ,  H04N19/124 ,  H04N19/13 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/187 ,  H04N19/463 ,  H04N19/593 ,  H04N19/70

Abstract: A device for decoding video data is configured to determine, based on first entropy encoded data in the bitstream, a set of run-related syntax element groups for a current block of a current picture of the video data; determine, based on second entropy encoded data the bitstream, a set of palette index syntax elements for the current block, the first entropy encoded data occurring in the bitstream before the second entropy encoded data, wherein: each respective run-related syntax element group of the set of run-related syntax element groups indicates a respective type of a respective run of identical palette mode type indicators and a respective length of the respective run and each respective palette index syntax element of the set of palette index syntax elements indicates an entry in a palette comprising a set of sample values; and reconstruct, based on the sample values, the current block.

Abstract translation: 用于解码视频数据的设备被配置为基于比特流中的第一熵编码数据来确定视频数据的当前图片的当前块的一组运行相关语法元素组; 基于第二熵编码数据确定比特流，用于当前块的一组调色板索引语法元素，在第二熵编码数据之前的比特流中出现的第一熵编码数据，其中：每个相应的与运行相关的语法元素组 运行相关语法元素组的集合指示相同调色板模式类型指示符的相应运行的相应类型，并且相应运行的相应长度以及调色板索引语法元素组中的每个相应调色板索引语法元素指示 调色板，包括一组样本值; 并根据样本值重建当前块。

公开(公告)号：WO2016057534A3

公开(公告)日：2016-06-02

申请号：PCT/US2015054271

申请日：2015-10-06

Applicant: QUALCOMM INC

Inventor： PU WEI ,  KARCZEWICZ MARTA ,  SEREGIN VADIM ,  ZOU FENG ,  JOSHI RAJAN LAXMAN ,  SOLE ROJALS JOEL

IPC: H04N19/593 ,  H04N19/70

CPC classification number: H04N19/186 ,  H04N19/182 ,  H04N19/593 ,  H04N19/70

Abstract: Techniques are described where a current pixel that cannot be palette mode coded in copy above mode and is not coded in a copy index mode is palette mode coded based on a palette index of a diagonal pixel.

Abstract translation: 描述技术，其中在复制上述模式下不能被调色板模式编码的并且不以复制索引模式编码的当前像素是基于对角像素的调色板索引编码的调色板模式。

公开(公告)号：WO2014109901A3

公开(公告)日：2015-07-23

申请号：PCT/US2013077425

申请日：2013-12-23

Applicant: QUALCOMM INC

Inventor： SEREGIN VADIM

IPC: H04N19/33

CPC classification number: H04N19/33 ,  H04N19/52 ,  H04N19/96

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 a candidate list generated for coding the video information. The candidate list comprises at least one base layer motion vector candidate. The processor is configured to determine a behavior for generating said at least one base layer motion vector candidate, generate said at least one base layer motion vector candidate for a current prediction unit (PU) in a particular coding unit (CU) according to the determined behavior, wherein the particular CU has one or more PUs, and add said at least one base layer motion vector candidate to the candidate list. 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为编码视频信息而生成的候选列表。 候选列表包括至少一个基本层运动矢量候选。 所述处理器被配置为确定用于生成所述至少一个基本层运动矢量候选的行为，根据确定的特定编码单元（CU）为当前预测单元（PU）生成所述至少一个基本层运动矢量候选 行为，其中所述特定CU具有一个或多个PU，并将所述至少一个基本层运动矢量候选添加到所述候选列表。 处理器可以对视频信息进行编码或解码。

公开(公告)号：WO2015057818A3

公开(公告)日：2015-07-16

申请号：PCT/US2014060660

申请日：2014-10-15

Applicant: QUALCOMM INC

Inventor： SEREGIN VADIM ,  RAMASUBRAMONIAN ADARSH KRISHNAN ,  WANG YE-KUI

IPC: H04N19/70 ,  H04N19/30 ,  H04N19/597

CPC classification number: H04N19/33 ,  H04N19/174 ,  H04N19/30 ,  H04N19/46 ,  H04N19/597 ,  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 (EL), the RL having an RL picture in a first access unit, and the EL having a first EL picture in the first access unit, wherein the first EL picture is associated with a first set of parameters. The processor is configured to determine whether the first EL picture is an intra random access point (IRAP) picture, determine whether the first access unit immediately follows a splice point where first video information is joined with second video information including the first EL picture, and perform, based on the determination of whether the first EL picture is an intra random access point (IRAP) picture and whether the first access unit immediately follows a splice point, one of (1) refraining from associating the first EL picture with a second set of parameters that is different from the first set of parameters, or (2) associating the first EL picture with a second set of parameters that is different from the first set of parameters. 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设备包括存储单元和与存储单元通信的处理器。 存储器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，RL在第一存取单元中具有RL图片，并且EL在第一存取单元中具有第一EL图片 其中第一EL图片与第一组参数相关联。 处理器被配置为确定第一EL图片是否是帧内随机访问点（IRAP）图片，确定第一访问单元是否紧随第一视频信息与包括第一EL图片的第二视频信息结合的拼接点之后，以及 （1）基于确定第一EL图片是否是帧内随机访问点（IRAP）图片以及第一访问单元是否紧接在拼接点之后来执行以下操作之一：（1）避免将第一EL图片与第二组 （2）将第一EL图片与不同于第一组参数的第二组参数相关联。 处理器可以对视频信息进行编码或解码。

公开(公告)号：WO2014165671A3

公开(公告)日：2015-01-08

申请号：PCT/US2014032820

申请日：2014-04-03

Applicant: QUALCOMM INC

Inventor： PU WEI ,  CHEN JIANLE ,  LI XIANG ,  KARCZEWICZ MARTA ,  SEREGIN VADIM

IPC: H04N19/117 ,  H04N19/30

CPC classification number: H04N19/80 ,  H04N19/30 ,  H04N19/46

Abstract: A method of coding video data can include receiving video information associated with a reference layer, an enhancement layer, or both, and generating a plurality of inter-layer reference pictures using a plurality of inter-layer filters and one or more reference layer pictures. The generated plurality of inter-layer reference pictures may be inserted into a reference picture list. A current picture in the enhancement layer may be coded using the reference picture list. The inter-layer filters may comprise default inter-layer filters or alternative inter-layer filters signaled in a sequence parameter set, video parameter set, or slice header.

Abstract translation: 编码视频数据的方法可以包括接收与参考层，增强层或两者相关联的视频信息，以及使用多个层间滤波器和一个或多个参考层图像来生成多个层间参考图像。 所生成的多个层间参考图片可以被插入到参考图片列表中。 可以使用参考图片列表对增强层中的当前图像进行编码。 层间过滤器可以包括在序列参数集，视频参数集或片头中发信号的默认层间过滤器或替代层间过滤器。