公开(公告)号：US20230421807A1

公开(公告)日：2023-12-28

申请号：US18460383

申请日：2023-09-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/593 ,  H04N19/176 ,  H04N19/196 ,  H04N19/11

CPC classification number: H04N19/593 ,  H04N19/176 ,  H04N19/196 ,  H04N19/11

Abstract: A method for processing an intra prediction mode includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

公开(公告)号：US11770556B2

公开(公告)日：2023-09-26

申请号：US17121263

申请日：2020-12-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/176 ,  H04N19/593 ,  H04N19/196 ,  H04N19/11

CPC classification number: H04N19/593 ,  H04N19/11 ,  H04N19/176 ,  H04N19/196

Abstract: A method for processing an intra prediction mode includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

公开(公告)号：US11528507B2

公开(公告)日：2022-12-13

申请号：US16890779

申请日：2020-06-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ce Zhu ,  Shichang Song ,  Yongbing Lin ,  Jianhua Zheng

IPC: H04N19/645 ,  H04N19/147 ,  H04N19/176 ,  H04N19/44 ,  H04N19/60

Abstract: An image encoding and decoding method, includes: determining location information of a target reconstructed image block of a current to-be-encoded image block, where the target reconstructed image block is a reconstructed image block used to determine motion information of the current to-be-encoded image block; determining a first transform core pair based on the location information of the target reconstructed image block; and transforming a residual signal of the current to-be-encoded image block based on the first transform core pair, to obtain a transform coefficient.

公开(公告)号：US10154284B2

公开(公告)日：2018-12-11

申请号：US15684352

申请日：2017-08-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/176 ,  H04N19/593 ,  H04N19/196 ,  H04N19/11

Abstract: A method and an apparatus for processing an intra prediction mode is disclosed. The method includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

公开(公告)号：US10116965B2

公开(公告)日：2018-10-30

申请号：US15362448

申请日：2016-11-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xu Chen ,  Xiaozhen Zheng ,  Yongbing Lin

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/184 ,  H04N19/44 ,  H04N19/105 ,  H04N19/70 ,  H04N19/593 ,  H04N19/182

Abstract: A three-dimensional video encoding method, decoding method, and related apparatus is disclosed. The decoding method may include decoding a video bitstream to obtain a single sample flag bit corresponding to a current image block in a current depth map, performing detection on a first adjacent prediction sampling point and a second adjacent prediction sampling point of the current image block in the current depth map if the single sample flag bit obtained by decoding indicates that a decoding mode corresponding to the current image block is a single depth intra-frame mode, and constructing a sample candidate set according to results of the detection on the first adjacent prediction sampling point and the second adjacent prediction sampling point, where the sample candidate set includes a first index location and a second index location, decoding the video bitstream to obtain a single sample index flag bit corresponding to the current image block.

公开(公告)号：US09686545B2

公开(公告)日：2017-06-20

申请号：US14265795

申请日：2014-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N19/593 ,  H04N19/105 ,  H04N19/176 ,  H04N19/11 ,  H04N19/136

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/136 ,  H04N19/176

Abstract: An intra-prediction method is provided to predict a current block according to pixel values of an upper neighboring block and a left neighboring block. The method includes: acquiring, according to a prediction direction, mapped pixels in the left neighboring block for reference pixels in an upper neighboring block; calculating an average pixel value of pixel values of the reference pixels in the upper neighboring block and pixel values of their respective mapped pixels; and predicting, according to the prediction direction, a pixel value of a pixel in the current block by using the average pixel value. By using the method and apparatus for intra-prediction according to the present invention, a pixel value of a reference pixel used for prediction is acquired according to an average pixel value of reference pixels in an upper neighboring block and a left neighboring block of the current block.

公开(公告)号：US09516312B2

公开(公告)日：2016-12-06

申请号：US14311012

申请日：2014-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N19/51 ,  H04N19/52 ,  H04N19/463 ,  H04N19/436 ,  H04N19/105

Abstract: Relating to the field of video coding, a method and an apparatus for building a motion vector list for motion vector prediction, which solve a problem of building motion vector lists of at least two PUs in a same coding unit in a serial manner, and improve the parallel processing capability. The method includes: obtaining spatial neighboring blocks of a current prediction block, where the current prediction block is located inside a current coding unit; determining available neighboring blocks of the current prediction block according to a partition manner of the current coding unit, where the available neighboring blocks are located outside the current coding unit; and obtaining motion vector predictors from the available neighboring blocks in a preset sequence according to motion vector predictors of the available neighboring blocks, and adding the obtained motion vector predictors to the motion vector list.

公开(公告)号：US20150043634A1

公开(公告)日：2015-02-12

申请号：US14363248

申请日：2011-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/593

CPC classification number: H04N19/593 ,  H04N19/11 ,  H04N19/176 ,  H04N19/196

Abstract: Embodiments of the present invention provide a method and an apparatus for processing an intra prediction mode. The method includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

Abstract translation: 本发明的实施例提供了一种用于处理帧内预测模式的方法和装置。 该方法包括：确定当前块的多个相邻块中的每个相邻块的帧内预测模式是否适用于当前块; 并且如果确定相邻块的帧内预测模式适用于当前块，则根据确定的结果获得当前块的多个映射帧内预测模式，将相邻块的帧内预测模式设置为 映射了当前块的帧内预测模式，并且如果确定相邻块的帧内预测模式不适用于当前块，则将特定帧内预测模式设置为当前块的映射帧内预测模式。

公开(公告)号：US20140301471A1

公开(公告)日：2014-10-09

申请号：US14311012

申请日：2014-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N19/51 ,  H04N19/583

CPC classification number: H04N19/52 ,  H04N19/105 ,  H04N19/176 ,  H04N19/436 ,  H04N19/46 ,  H04N19/463

Abstract: Relating to the field of video coding, a method and an apparatus for building a motion vector list for motion vector prediction, which solve a problem of building motion vector lists of at least two PUs in a same coding unit in a serial manner, and improve the parallel processing capability. The method includes: obtaining spatial neighboring blocks of a current prediction block, where the current prediction block is located inside a current coding unit; determining available neighboring blocks of the current prediction block according to a partition manner of the current coding unit, where the available neighboring blocks are located outside the current coding unit; and obtaining motion vector predictors from the available neighboring blocks in a preset sequence according to motion vector predictors of the available neighboring blocks, and adding the obtained motion vector predictors to the motion vector list.

Abstract translation: 关于视频编码领域，构建用于运动矢量预测的运动矢量列表的方法和装置，其解决了以串行方式在同一编码单元中构建至少两个PU的运动矢量列表的问题，并且改进 并行处理能力。 该方法包括：获取当前预测块的空间相邻块，其中当前预测块位于当前编码单元内; 根据当前编码单元的分区方式确定当前预测块的可用相邻块，其中可用相邻块位于当前编码单元外部; 以及根据所述可用相邻块的运动矢量预测器，以预设序列从所述可用相邻块获得运动矢量预测器，并且将所获得的运动矢量预测器相加到所述运动矢量列表。

公开(公告)号：US20130301722A1

公开(公告)日：2013-11-14

申请号：US13938853

申请日：2013-07-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Changcai LAI ,  Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N7/32

CPC classification number: H04N19/107 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/50 ,  H04N19/65

Abstract: The present invention discloses a method for coding an image, a method for decoding an image, a method for processing image data, and devices thereof. The method for coding the image includes: determining a current intra coding block that uses a constrained intra prediction method among current inter coded frames; determining that neighboring coding blocks that are adjacent to the current intra coding block include a neighboring inter coding block; updating image data in the neighboring inter coding block based on an invariable value or image data in a neighboring intra coding block included in the neighboring coding blocks; and coding the current intra coding block based on the updated image data in the neighboring inter coding block. By using the methods and devices, the error recovery capability of an intra coding block may be improved, and the image data decoding quality may be improved.

Abstract translation: 本发明公开了一种图像编码方法，图像解码方法，图像数据处理方法及其装置。 编码图像的方法包括：确定当前帧间编码帧中使用约束帧内预测方法的当前帧内编码块; 确定与当前帧内编码块相邻的相邻编码块包括相邻帧间编码块; 基于相邻编码块中包含的相邻帧内编码块中的不变值或图像数据来更新相邻帧间编码块中的图像数据; 并且基于相邻帧间编码块中的更新图像数据对当前帧内编码块进行编码。 通过使用这些方法和装置，可以提高帧内编码块的错误恢复能力，可以提高图像数据解码质量。