公开(公告)号：US09485504B2

公开(公告)日：2016-11-01

申请号：US13938853

申请日：2013-07-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Changcai Lai ,  Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/00 ,  H04N19/50 ,  H04N19/159 ,  H04N19/176 ,  H04N19/107 ,  H04N19/117 ,  H04N19/65

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。

公开(公告)号：US20150215640A1

公开(公告)日：2015-07-30

申请号：US14681607

申请日：2015-04-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N19/56 ,  H04N19/172 ,  H04N19/176 ,  H04N19/513

CPC classification number: H04N19/56 ,  H04N19/172 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/597

Abstract: The present invention discloses a method and an apparatus for constructing a candidate vector list and relates to the field of video coding and decoding, which is invented to improve coding compression performance. The method includes: acquiring an inter-view motion vector predictor (IVMVP) of a current block and a motion vector predictor (MVP) of the current block, where the MVP includes a temporal motion vector predictor (TMVP) and a spatial motion vector predictor (SMVP) ; determining whether the IVMVP is the MVP or a disparity vector predictor DVP; and sorting the IVMVP, the TMVP, and the SMVP according to a result of the determining, so as to construct the candidate vector list (CVL) . The present invention is mainly applied to a process of multi-view coding and decoding based on the 3DV standard.

Abstract translation: 本发明公开了一种用于构建候选向量列表的方法和装置，涉及到为提高编码压缩性能而发明的视频编码和解码领域。 该方法包括：获取当前块的视角间运动矢量预测器（IVMVP）和当前块的运动矢量预测器（MVP），其中MVP包括时间运动矢量预测器（TMVP）和空间运动矢量预测器 （SMVP）; 确定IVMVP是MVP还是视差矢量预测器DVP; 并根据确定的结果对IVMVP，TMVP和SMVP进行排序，以构建候选向量列表（CVL）。 本发明主要应用于基于3DV标准的多视图编码和解码过程。

公开(公告)号：US12143582B2

公开(公告)日：2024-11-12

申请号：US18356955

申请日：2023-07-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSINGHUA UNIVERSITY

Inventor： Changcai Lai ,  Xiaoran Cao ,  Yongbing Lin ,  Lingzhi Liu ,  Yun He

IPC: H04N19/119 ,  H04N19/124 ,  H04N19/147 ,  H04N19/172 ,  H04N19/46 ,  H04N19/61

Abstract: An decoding method is disclosed, including: parsing a bitstream to determine whether a current coding block is required to be partitioned; when the current coding block is required to be partitioned, parsing the bitstream to determine whether the current coding blocks is partitioned in a horizontal direction or a vertical direction; partitioning the current coding block into four first rectangular subblocks in the horizontal direction or four second rectangular subblocks in the vertical direction; and reconstructing the current coding block based on the four first rectangular subblocks or the four second rectangular subblocks.

公开(公告)号：US10887620B2

公开(公告)日：2021-01-05

申请号：US16201580

申请日：2018-11-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/176 ,  H04N19/593 ,  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：US20180343467A1

公开(公告)日：2018-11-29

申请号：US16054750

申请日：2018-08-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongbing Lin

IPC: H04N19/52 ,  H04N19/463 ,  H04N19/46 ,  H04N19/436 ,  H04N19/176 ,  H04N19/105

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 vectors from the available neighboring blocks in a preset sequence according to motion vectors of the available neighboring blocks, and adding the obtained motion vectors to the motion vector list.

公开(公告)号：US09979965B2

公开(公告)日：2018-05-22

申请号：US15278469

申请日：2016-09-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Changcai Lai ,  Yongbing Lin ,  Xiaozhen Zheng

IPC: H04N19/107 ,  H04N19/50 ,  H04N19/159 ,  H04N19/176 ,  H04N19/117 ,  H04N19/65 ,  H04N19/182

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

Abstract: The present disclosure 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. 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.

公开(公告)号：US09961360B2

公开(公告)日：2018-05-01

申请号：US14788248

申请日：2015-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/513 ,  H04N19/597 ,  H04N19/52 ,  H04N19/137 ,  H04N19/176 ,  H04N19/593

CPC classification number: H04N19/513 ,  H04N19/137 ,  H04N19/176 ,  H04N19/52 ,  H04N19/593 ,  H04N19/597

Abstract: The present invention discloses a motion vector list constructing method and system for video coding. The motion vector list constructing method for video coding includes: obtaining a motion information candidate list that is based on a spatially neighboring block and a time-domain corresponding block and that is of a current prediction block; obtaining sub motion information candidates that are of multiple sub blocks of the current prediction block and that are based on inter-view corresponding blocks of the multiple sub blocks of the current prediction block; determining availability of the sub motion information candidates of the multiple sub blocks; and updating the motion information candidate list by using one sub motion information candidate of at least one available sub motion information candidate.

公开(公告)号：US20150215643A1

公开(公告)日：2015-07-30

申请号：US14681581

申请日：2015-04-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/513

CPC classification number: H04N19/597 ,  H04N19/176 ,  H04N19/436 ,  H04N19/463 ,  H04N19/513 ,  H04N19/52

Abstract: The present invention provides a method and an apparatus for acquiring a disparity vector predictor of a prediction block, relates to the field of video coding. The method may specifically include: acquiring a neighboring block of a current prediction block in a space domain; determining, according to a partition manner of a current coding unit, a position of the current prediction block in the current coding unit, and a position of the neighboring block, whether the neighboring block is located in the current coding unit; and acquiring, according to a preset order, a disparity vector predictor from a neighboring block not located in the current coding unit, and proceeding with the acquisition until a disparity vector predictor is acquired. The present invention may be applied to acquisition of a disparity vector predictor.

Abstract translation: 本发明提供了一种用于获取预测块的视差向量预测器的方法和装置，涉及视频编码领域。 该方法可以具体包括：获取空间域中的当前预测块的相邻块; 根据当前编码单元的分割方式，确定当前编码单元中当前预测块的位置和相邻块的位置，确定相邻块是否位于当前编码单元中; 以及根据预设顺序从不在当前编码单元中的相邻块获取视差矢量预测器，并且进行所述获取，直到获取了视差矢量预测器。 本发明可以应用于视差矢量预测器的获取。

公开(公告)号：US20250039373A1

公开(公告)日：2025-01-30

申请号：US18911929

申请日：2024-10-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSINGHUA UNIVERSITY

Inventor： Changcai Lai ,  Xiaoran Cao ,  Yongbing Lin ,  Lingzhi Liu ,  Yun He

IPC: H04N19/119 ,  H04N19/124 ,  H04N19/147 ,  H04N19/172 ,  H04N19/46 ,  H04N19/61

Abstract: An decoding method is disclosed, including: parsing a received bitstream to determine whether a current image block is required to be partitioned; parsing the bitstream to determine a partition direction when the current image block is required to be partitioned, wherein the partition direction is a horizontal direction; partitioning the current image block into four rectangular subblocks when the partition direction is the horizontal direction, wherein a size of the current image block is expressed as 16×H, with H representing a height of the current image block and 16 is a width of the current image block, wherein H is not equal to 16, and wherein a size of each of the four rectangular subblocks is expressed as 16×H/4; and reconstructing the current image block based on the four rectangular subblocks.

公开(公告)号：US20230362374A1

公开(公告)日：2023-11-09

申请号：US18356955

申请日：2023-07-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSINGHUA UNIVERSITY

Inventor： Changcai Lai ,  Xiaoran Cao ,  Yongbing Lin ,  Lingzhi Liu ,  Yun He

IPC: H04N19/119 ,  H04N19/147 ,  H04N19/124 ,  H04N19/172

CPC classification number: H04N19/119 ,  H04N19/147 ,  H04N19/124 ,  H04N19/172 ,  H04N19/46

Abstract: An decoding method is disclosed, including: parsing a bitstream to obtain a first flag, wherein the first flag specifies whether a current coding block is required to be partitioned; when the first flag specifies that the current coding block is required to be partitioned, parsing the bitstream to obtain a second flag, wherein the second flag specifies whether the current coding blocks is partitioned in a horizontal direction or a vertical direction; partitioning the current coding block into four first rectangular subblocks in the horizontal direction or four second rectangular subblocks in the vertical direction; and reconstructing the current coding block based on the four first rectangular subblocks or the four second rectangular subblocks.