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：US20130271566A1

公开(公告)日：2013-10-17

申请号：US13839447

申请日：2013-03-15

Applicant: QUALCOMM INCORPORATED

Inventor： Ying CHEN ,  Li ZHANG ,  Yang YU ,  Geert VAN DER AUWERA ,  Xiang LI ,  Marta KARCZEWICZ

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N19/109 ,  H04N19/176 ,  H04N19/597 ,  H04N19/70

Abstract: A video encoder signals, in a bitstream, a syntax element that indicates whether a current video unit is predicted from a VSP picture. The current video unit is a macroblock or a macroblock partition. The video encoder determines, based at least in part on whether the current video unit is predicted from the VSP picture, whether to signal, in the bitstream, motion information for the current video unit. A video decoder decodes the syntax element from the bitstream and determines, based at least in part on the syntax element, whether the bitstream includes the motion information.

Abstract translation: 视频编码器在比特流中发信号，指示是否从VSP图像预测当前视频单元。 当前视频单元是宏块或宏块分区。 视频编码器至少部分地基于从VSP图像预测当前视频单元，确定在比特流中是否向当前视频单元发送运动信息。 视频解码器从比特流解码语法元素，并且至少部分地基于语法元素确定比特流是否包括运动信息。

公开(公告)号：US20210399722A1

公开(公告)日：2021-12-23

申请号：US16906501

申请日：2020-06-19

Applicant: QUALCOMM Incorporated

Inventor： Fadi HAMDAN ,  Keith Alan BOWMAN ,  Nadeem ELEYAN ,  Xiang LI

IPC: H03K5/133 ,  H03L7/081

Abstract: Aspects of the disclosure are directed to adaptively delaying an input signal. In accordance with one aspect, an apparatus includes a plurality of delay units, wherein each of the plurality of delay units includes a substantially similar output load characteristic; a plurality of buffer units, wherein each of the plurality of buffer units is coupled to one of the plurality of delay units; wherein a quantity of the plurality of delay units equals a quantity of the plurality of buffer units; an additional delay unit coupled to a delay unit output of one of the plurality of delay units; and a one-hot decoder coupled to each of the plurality of buffer units, the one-hot decoder configured to enable one and only one of the plurality of buffer units.

公开(公告)号：US20140369426A1

公开(公告)日：2014-12-18

申请号：US14301205

申请日：2014-06-10

Applicant: QUALCOMM Incorporated

Inventor： Xiang LI ,  Wei Pu ,  Jianle Chen ,  Marta Karczewicz

IPC: H04N19/80 ,  H04N19/46 ,  H04N19/96

CPC classification number: H04N19/46 ,  H04N19/186 ,  H04N19/30 ,  H04N19/80 ,  H04N19/96

Abstract: In one embodiment, an apparatus configured to encode video information includes a memory unit and a processor. The memory unit is configured to store an inter-layer reference picture comprising video information. The processor is operationally coupled to the memory unit. In addition, the processor is configured to partition the inter-layer reference picture into a quadtree structure having a plurality of leafs; determine inter-component filter parameters specific to each individual leaf based upon the video information in each individual leaf and signal the inter-component filter parameters for each of the leafs.

Abstract translation: 在一个实施例中，被配置为对视频信息进行编码的装置包括存储器单元和处理器。 存储单元被配置为存储包括视频信息的层间参考图像。 处理器可操作地耦合到存储器单元。 此外，处理器被配置为将层间参考图片划分成具有多个叶子的四叉树结构; 基于每个叶片中的视频信息，确定每个单独叶片特有的组分间滤波器参数，并且为每个叶片指示组分间滤波器参数。

公开(公告)号：US20140294062A1

公开(公告)日：2014-10-02

申请号：US14227910

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 been resampled as an inter-layer reference picture, and predict a 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，处理器被配置为限制已被重采样的至多一个参考层图像的使用作为层间参考图片，并且使用层间预测和层间参考图片来预测当前图像。

公开(公告)号：US20140056361A1

公开(公告)日：2014-02-27

申请号：US13969406

申请日：2013-08-16

Applicant: QUALCOMM INCORPORATED

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

IPC: H04N7/30

CPC classification number: H04N19/00775 ,  H04N19/12 ,  H04N19/157 ,  H04N19/17 ,  H04N19/30 ,  H04N19/60

Abstract: An apparatus for coding video data according to certain aspects includes a memory and a processor in communication with the memory. The memory stores video block information. The video block information includes reference layer block information. The processor determines, based on a parameter of the video block information, a transform function that may be used to code the video block information. The processor may encode or decode the video block information. The transform function may be an alternative transform when the parameter is a predetermined value and a primary transform when the parameter is not the predetermined value. The alternative transform includes one of: a discrete-sine-transform (DST), a Type-I DST, a Type-III DST, a Type-IV DST, a Type-VII DST, a discrete-cosine-transform (DCT), a DCT of different types, and a Karhunen-Loeve transform (KLT).

Abstract translation: 根据某些方面的用于编码视频数据的装置包括与存储器通信的存储器和处理器。 存储器存储视频块信息。 视频块信息包括参考层块信息。 处理器基于视频块信息的参数确定可用于对视频块信息进行编码的变换函数。 处理器可以对视频块信息进行编码或解码。 当参数是预定值时，变换函数可以是替代变换，并且当参数不是预定值时，变换函数可以是一次变换。 替代变换包括以下之一：离散正弦变换（DST），I型DST，III型DST，Type-IV DST，Type-VII DST，离散余弦变换（DCT） ，不同类型的DCT，以及Karhunen-Loeve变换（KLT）。

公开(公告)号：US20180376164A1

公开(公告)日：2018-12-27

申请号：US16011340

申请日：2018-06-18

Applicant: QUALCOMM Incorporated

Inventor： Kai ZHANG ,  Xiang LI ,  Jianle CHEN ,  Li ZHANG ,  Marta KARCZEWICZ

IPC: H04N19/56 ,  H04N19/176

Abstract: Techniques are directed to a device for decoding a current block of video data in a current coding picture. The device may include a memory configured to store video data. The device may also include a processor configured to generate a first prediction block for the current block of the video data in the current picture according to an intra-prediction mode and generate a second prediction block for the current block of the video data in the current picture the picture according to an inter-prediction mode. The processor may be configured to generate motion information propagated from the second prediction block of the picture to the first prediction block, and use the motion information to obtain a final prediction block, then generate a reconstructed block based on a combination of the final prediction block and a residual block.

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：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：US20190124350A1

公开(公告)日：2019-04-25

申请号：US16159458

申请日：2018-10-12

Applicant: QUALCOMM Incorporated

Inventor： Vijayaraghavan THIRUMALAI ,  Xiang LI ,  Nan HU ,  Hsiao-Chiang CHUANG ,  Marta KARCZEWICZ

IPC: H04N19/513 ,  H04N19/85 ,  H04N19/52

Abstract: A device for video decoding may include a memory configured to store video data and a processor configured receive a bitstream including encoded video data. The processor may be configured to select a number of template matching (TM) candidates for a temporal layer or slice during the video decoding. The number of TM candidates selected are fixed prior to the video decoding, or adaptively calculated during the video decoding. The processor may be configured to generate a prediction block and residual block, based on a template matching candidate, to reconstruct the video data.