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1. 发明授权

US11483561B2 Transform method in picture block encoding, inverse transform method in picture block decoding, and apparatus 有权
公开(公告)号：US11483561B2
公开(公告)日：2022-10-25
申请号：US17037192
申请日：2020-09-29
申请人： Huawei Technologies Co., Ltd. , TSINGHUA UNIVERSITY
发明人： Liqiang Wang , Jianhua Zheng , Quanhe Yu , Yongbing Lin , Yun He
IPC分类号： H04N19/12 , H04N19/119 , H04N19/167 , H04N19/176 , H04N19/70
摘要： The present disclosure provide a transform method in picture block encoding, an inverse transform method in picture block decoding, and an apparatus. The inverse transform method includes: determining, in a target transform set, a corresponding transform pair of each region of at least two regions that constitute a to-be-decoded current block; inverse transforming each region based on the corresponding transform pair of each region to obtain an inverse transform result of each region; and obtaining an inverse transform result of the current block based on the inverse transform result of each region and a position of each region in the current block, where the at least two regions do not overlap each other, the target transform set includes a correspondence between a transform pair and a position of a region in the current block, and the transform pair includes a horizontal transform core and a vertical transform core.

2. 发明授权

US11290717B2 Encoding and decoding methods and apparatuses with multiple image block division manners 有权
公开(公告)号：US11290717B2
公开(公告)日：2022-03-29
申请号：US17094560
申请日：2020-11-10
申请人： Huawei Technologies Co., Ltd. , Tsinghua University
发明人： Changcai Lai , Xiaoran Cao , Yongbing Lin , Lingzhi Liu , Yun He
IPC分类号： H04N19/119 , H04N19/147 , H04N19/124 , H04N19/172 , H04N19/46 , H04N19/61
摘要： An encoding method with multiple image block division manners is disclosed, including: determining a division manner and a division direction of an image block; dividing the image block to obtain image subblocks sequentially arranged horizontally or vertically; determining whether the image subblocks need subdivision, and if subdivision is not needed, predicting the encoding object in the frame according to the image subblocks, to obtain residual data; performing transformation, quantization, and entropy encoding for the residual data so as to obtain coded residual data; and writing the division manner of the image block, the division direction of the image block, an identifier indicating whether the image subblocks need subdivision, and the coded residual data into a bitstream. By applying the encoding method, better prediction accuracy can be achieved when the image block presents a small change of pixel value in the horizontal or vertical direction.

3. 发明申请

US20180367813A1 Three-Dimensional Video Encoding Method, Three-Dimensional Video Decoding Method, and Related Apparatus 审中-公开
公开(公告)号：US20180367813A1
公开(公告)日：2018-12-20
申请号：US16113531
申请日：2018-08-27
申请人： Huawei Technologies Co., Ltd.
发明人： Xu Chen , Xiaozhen Zheng , Yongbing Lin
IPC分类号： H04N19/597 , H04N19/176 , H04N19/105 , H04N19/593 , H04N19/184 , H04N19/70 , H04N19/182 , H04N19/44
CPC分类号： H04N19/597 , H04N19/105 , H04N19/176 , H04N19/182 , H04N19/184 , H04N19/44 , H04N19/593 , H04N19/70
摘要： A three-dimensional (3D) 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 (SDM), 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.

4. 发明授权

US09549181B2 Method and apparatus for building motion vector list for motion vector prediction 有权
标题翻译：构建运动矢量预测运动矢量列表的方法和装置
公开(公告)号：US09549181B2
公开(公告)日：2017-01-17
申请号：US14311012
申请日：2014-06-20
申请人： Huawei Technologies Co., Ltd.
发明人： Yongbing Lin
IPC分类号： H04N19/51 , H04N19/52 , H04N19/463 , H04N19/436 , H04N19/105
CPC分类号： H04N19/52 , H04N19/105 , H04N19/176 , H04N19/436 , H04N19/46 , H04N19/463
摘要： 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.
摘要翻译：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。

5. 发明申请

US20140233642A1 Method and Apparatus for Intra-Prediction 有权
标题翻译：用于预测的方法和装置
公开(公告)号：US20140233642A1
公开(公告)日：2014-08-21
申请号：US14265795
申请日：2014-04-30
申请人： Huawei Technologies Co., Ltd.
发明人： Yongbing Lin
IPC分类号： H04N19/593
CPC分类号： H04N19/593 , H04N19/105 , H04N19/11 , H04N19/136 , H04N19/176
摘要： 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.
摘要翻译：提供帧内预测方法以根据上邻近块和左邻近块的像素值预测当前块。该方法包括：根据预测方向获取左邻近块中的上邻近块中的参考像素的映射像素; 计算上相邻块中的参考像素的像素值的平均像素值及其各自的映射像素的像素值; 以及根据预测方向，通过使用平均像素值来预测当前块中的像素的像素值。通过使用根据本发明的用于帧内预测的方法和装置，根据上相邻块中的参考像素的平均像素值和当前的相邻块的相对值来获取用于预测的参考像素的像素值块。

6. 发明申请

US20130301730A1 SPATIAL DOMAIN PREDICTION ENCODING METHOD, DECODING METHOD, APPARATUS, AND SYSTEM 审中-公开
标题翻译：空间域预测编码方法，解码方法，装置和系统
公开(公告)号：US20130301730A1
公开(公告)日：2013-11-14
申请号：US13942378
申请日：2013-07-15
申请人： Huawei Technologies Co., Ltd.
发明人： Yongbing Lin , Changcai Lai
IPC分类号： H04N7/34
CPC分类号： H04N19/105 , H04N19/11 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/593
摘要： In embodiments of the present invention, a first reference point and a second reference point that correspond to a prediction point are obtained from an upper reference edge and a left reference edge of a prediction block respectively according to a position of the prediction point in the prediction block and a prediction texture direction that corresponds to a prediction mode. Then linear interpolation is performed, according to the position of the prediction point, on the first reference point and the second reference point to obtain a predicted value of the prediction point.
摘要翻译：在本发明的实施例中，根据预测点在预测中的位置分别从预测块的上参考边和左参考边获得对应于预测点的第一参考点和第二参考点块和对应于预测模式的预测纹理方向。然后根据预测点的位置在第一参考点和第二参考点上执行线性插值，以获得预测点的预测值。

7. 发明授权

US12143582B2 Encoding and decoding methods and apparatuses with multiple image block division manners 有权
公开(公告)号：US12143582B2
公开(公告)日：2024-11-12
申请号：US18356955
申请日：2023-07-21
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TSINGHUA UNIVERSITY
发明人： Changcai Lai , Xiaoran Cao , Yongbing Lin , Lingzhi Liu , Yun He
IPC分类号： H04N19/119 , H04N19/124 , H04N19/147 , H04N19/172 , H04N19/46 , H04N19/61
CPC分类号： H04N19/119 , H04N19/124 , H04N19/147 , H04N19/172 , H04N19/46 , H04N19/61
摘要： 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.

8. 发明授权

US10887620B2 Method and apparatus for processing intra prediction mode 有权
公开(公告)号：US10887620B2
公开(公告)日：2021-01-05
申请号：US16201580
申请日：2018-11-27
申请人： Huawei Technologies Co., Ltd.
发明人： Yongbing Lin , Xiaozhen Zheng
IPC分类号： H04N19/176 , H04N19/593 , H04N19/196 , H04N19/11
摘要： 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.

9. 发明申请

US20180343467A1 METHOD AND APPARATUS FOR BUILDING MOTION VECTOR LIST FOR MOTION VECTOR PREDICTION 审中-公开
公开(公告)号：US20180343467A1
公开(公告)日：2018-11-29
申请号：US16054750
申请日：2018-08-03
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yongbing Lin
IPC分类号： H04N19/52 , H04N19/463 , H04N19/46 , H04N19/436 , H04N19/176 , H04N19/105
CPC分类号： H04N19/52 , H04N19/105 , H04N19/176 , H04N19/436 , H04N19/46 , H04N19/463
摘要： 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.

10. 发明授权

US09979965B2 Image coding and decoding method, image data processing method, and devices thereof 有权
公开(公告)号：US09979965B2
公开(公告)日：2018-05-22
申请号：US15278469
申请日：2016-09-28
申请人： Huawei Technologies Co., Ltd.
发明人： Changcai Lai , Yongbing Lin , Xiaozhen Zheng
IPC分类号： H04N19/107 , H04N19/50 , H04N19/159 , H04N19/176 , H04N19/117 , H04N19/65 , H04N19/182
CPC分类号： H04N19/107 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/50 , H04N19/65
摘要： 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.

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