公开(公告)号：US20130216146A1

公开(公告)日：2013-08-22

申请号：US13848301

申请日：2013-03-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haoping Yu ,  Xiaozhen Zheng ,  Sixin Lin ,  Jiantong Zhou

IPC: G06T9/00

CPC classification number: G06T9/004 ,  G06T9/00 ,  H04N19/119 ,  H04N19/172 ,  H04N19/46 ,  H04N19/537

Abstract: Image encoding and decoding methods and related devices are provided. An image encoding and decoding method includes: for a sub-image block obtained by partitioning an image block, determining at least two position parameters, in which the at least two position parameters include a first position parameter and a second position parameter, the first position parameter identifies whether the sub-image block is a rectangle or not a rectangle, and the second position parameter identifies endpoint information of the sub-image block; determining an encoding sequence of the first position parameter and the second position parameter according to a partition manner of the image block; and encoding the at least two position parameters according to the determined encoding sequence.

Abstract translation: 提供图像编码和解码方法及相关设备。 图像编码和解码方法包括：对于通过划分图像块获得的子图像块，确定至少两个位置参数，其中所述至少两个位置参数包括第一位置参数和第二位置参数，所述第一位置 参数识别子图像块是矩形还是矩形，第二位置参数识别子图像块的端点信息; 根据图像块的分割方式确定第一位置参数和第二位置参数的编码序列; 以及根据所确定的编码序列对所述至少两个位置参数进行编码。

公开(公告)号：US12217438B2

公开(公告)日：2025-02-04

申请号：US17174536

申请日：2021-02-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhijie Zhao ,  Yuntan Fang ,  Jun Zha ,  Hu Chen ,  Jiantong Zhou

IPC: G06K9/00 ,  G06T3/40 ,  G06T7/20 ,  G06T7/254 ,  G06V20/40

Abstract: Embodiments of this application disclose example apparatuses, methods, and computer program products for extracting a feature from an image of a scene. One example apparatus comprises at least one processor and one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to, in response to a feature extraction event, extract a feature from first image data representing a first image of a scene, wherein the feature extraction event is based on second image data representing a second image of the scene.

公开(公告)号：US20240267535A1

公开(公告)日：2024-08-08

申请号：US18536562

申请日：2023-12-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xingyu Zhang ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

IPC: H04N19/159 ,  H04N19/105 ,  H04N19/14 ,  H04N19/176 ,  H04N19/186 ,  H04N19/59 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/14 ,  H04N19/176 ,  H04N19/186 ,  H04N19/59 ,  H04N19/593

Abstract: An intra-frame decoding method includes obtaining, from a video code stream, prediction mode information of a first signal component of a current block; determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode; obtaining a predicted value of a first signal component sampling point of the current block; and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.

公开(公告)号：US11902350B2

公开(公告)日：2024-02-13

申请号：US17247008

申请日：2020-11-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Song ,  Peiyun Di ,  Xuhong Zeng ,  Maozheng Liu ,  Jun Zha ,  Jiantong Zhou

IPC: H04L65/80 ,  H04N19/162 ,  H04N19/184 ,  H04N19/70 ,  H04L65/70

CPC classification number: H04L65/80 ,  H04L65/70 ,  H04N19/162 ,  H04N19/184 ,  H04N19/70

Abstract: This application provides a video processing method and apparatus. The method includes: adding, by a server, perception attribute information of an object and spatial location information of the object to a video bitstream or a video file, and encapsulating the video bitstream or the video file, where the perception attribute information is used to indicate a property presented when the object is perceived by a user; and obtaining, by a terminal device, the video bitstream or the video file that carries the perception attribute information of the object and the spatial location information of the object, and performing perception rendering on a perception attribute of the object based on behavior of the user, the perception attribute information of the object and the spatial location information of the object.

公开(公告)号：US11876977B2

公开(公告)日：2024-01-16

申请号：US17837574

申请日：2022-06-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xingyu Zhang ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

IPC: H04N19/159 ,  H04N19/14 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/59 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/14 ,  H04N19/176 ,  H04N19/186 ,  H04N19/59 ,  H04N19/593

Abstract: An intra-frame decoding method includes obtaining, from a video code stream, prediction mode information of a first signal component of a current block, determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode; obtaining a predicted value of a first signal component sampling point of the current block; and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.

公开(公告)号：US11310524B2

公开(公告)日：2022-04-19

申请号：US16858222

申请日：2020-04-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huanbang Chen ,  Haitao Yang ,  Shan Gao ,  Jiantong Zhou ,  Shan Liu

IPC: H04B1/66 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/52 ,  H04N19/61 ,  H04N19/82

Abstract: A method includes obtaining a first motion vector of a motion compensation unit included in an affine code block. The method also includes determining a second motion vector based on the first motion vector, where a precision of the second motion vector matches a motion vector precision of a storage unit corresponding to the motion compensation unit. The method further includes determining a third motion vector based on the second motion vector, where there is a preset correspondence between the third motion vector and the second motion vector, and the third motion vector is used for subsequent encoding/decoding processing.

公开(公告)号：US20210105487A1

公开(公告)日：2021-04-08

申请号：US17104894

申请日：2020-11-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xingyu Zhang ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

IPC: H04N19/159 ,  H04N19/14 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/59 ,  H04N19/593

Abstract: An intra-frame decoding method includes obtaining, from a video code stream, prediction mode information of a first signal component of a current block, determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode, obtaining a predicted value of a first signal component sampling point of the current block, and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.

公开(公告)号：US10455236B2

公开(公告)日：2019-10-22

申请号：US16394763

申请日：2019-04-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xingyu Zhang ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

IPC: H04N19/159 ,  H04N19/59 ,  H04N19/186 ,  H04N19/593 ,  H04N19/176 ,  H04N19/105 ,  H04N19/14

Abstract: An intra-frame decoding method is provided. The method includes: obtaining, from a video code stream, prediction mode information of a first signal component of a current block, determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode, obtaining a predicted value of a first signal component sampling point of the current block, and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.

公开(公告)号：US20170223381A1

公开(公告)日：2017-08-03

申请号：US15492868

申请日：2017-04-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haitao Yang ,  Jiantong Zhou

IPC: H04N19/61 ,  H04N19/91 ,  H04N19/126

CPC classification number: H04N19/61 ,  H04N19/126 ,  H04N19/136 ,  H04N19/176 ,  H04N19/463 ,  H04N19/91

Abstract: An embodiment of the present invention provides an image coding method, where the coding method includes: performing predictive coding on an image; performing transform coding on the image on which the predictive coding has been performed; performing, by using a quantization matrix, quantization coding on the image on which the transform coding has been performed, where the quantization matrix is a matrix reflecting image quantization step information, the quantization matrix includes an M*N quantization matrix and an N*M quantization matrix, and the N*M quantization matrix is obtained by transposing the M*N quantization matrix; and performing entropy coding on the image on which the quantization coding has been performed, and coding the M*N quantization matrix, so as to generate a code stream. In the present invention, the number of bits required for coding a quantization matrix is effectively saved, thereby improving compression efficiency.

公开(公告)号：US09602816B2

公开(公告)日：2017-03-21

申请号：US14274408

申请日：2014-05-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xing Wen ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

IPC: H04N19/52 ,  H04N19/583 ,  H04N19/436

CPC classification number: H04N19/51 ,  H04N19/436 ,  H04N19/52

Abstract: The present invention relates to a method for coding and decoding a video signal, and provides a method for coding a video signal, including: determining space adjacent motion information of a parallel motion processing region PR; determining time adjacent motion information of a current block, where the current block is located in the parallel motion processing region PR; determining a candidate mot ion information set according to the space adjacent motion information of the parallel motion processing region PR and the time adjacent motion information of the current block; selecting motion information of the current block from the candidate motion information set, and sending a motion information indication of the current block to a decoding end, so as to assist the decoding end in determining the motion information of the current block; and performing motion compensation coding for the current block according to the motion information of the current block.