公开(公告)号：US11483561B2

公开(公告)日：2022-10-25

申请号：US17037192

申请日：2020-09-29

Applicant: Huawei Technologies Co., Ltd. ,  TSINGHUA UNIVERSITY

Inventor： Liqiang Wang ,  Jianhua Zheng ,  Quanhe Yu ,  Yongbing Lin ,  Yun He

IPC: H04N19/12 ,  H04N19/119 ,  H04N19/167 ,  H04N19/176 ,  H04N19/70

Abstract: 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.

公开(公告)号：US11290717B2

公开(公告)日：2022-03-29

申请号：US17094560

申请日：2020-11-10

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 ,  H04N19/46 ,  H04N19/61

Abstract: 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.

公开(公告)号：US20180367813A1

公开(公告)日：2018-12-20

申请号：US16113531

申请日：2018-08-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xu Chen ,  Xiaozhen Zheng ,  Yongbing Lin

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

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/176 ,  H04N19/182 ,  H04N19/184 ,  H04N19/44 ,  H04N19/593 ,  H04N19/70

Abstract: 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.

公开(公告)号：US09549181B2

公开(公告)日：2017-01-17

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

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：US20140233642A1

公开(公告)日：2014-08-21

申请号：US14265795

申请日：2014-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin

IPC: H04N19/593

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.

Abstract translation: 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。

公开(公告)号：US20130301730A1

公开(公告)日：2013-11-14

申请号：US13942378

申请日：2013-07-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbing Lin ,  Changcai Lai

IPC: H04N7/34

CPC classification number: H04N19/105 ,  H04N19/11 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/593

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US11936861B2

公开(公告)日：2024-03-19

申请号：US17099470

申请日：2020-11-16

Applicant: Huawei Technologies Co., Ltd. ,  Tsinghua University

Inventor： Quanhe Yu ,  Jicheng An ,  Jianhua Zheng ,  Yongbing Lin ,  Liqiang Wang ,  Benben Niu ,  Ziwei Wei ,  Yun He

IPC: H04N19/119 ,  H04N19/105 ,  H04N19/176 ,  H04N19/46

CPC classification number: H04N19/119 ,  H04N19/105 ,  H04N19/176 ,  H04N19/46

Abstract: Embodiments of this application relate to the video coding and compression field, and disclose an encoding method and apparatus, and a decoding method and apparatus, to resolve a problem that an existing split mode cannot satisfy a relatively complex texture requirement. The decoding method specifically includes: parsing a bitstream to determine a basic split mode for a current to-be-decoded picture block and a target derivation mode for a subpicture block of the current to-be-decoded picture block; splitting the current to-be-decoded picture block into N subpicture blocks in the basic split mode, where N is an integer greater than or equal to 2; deriving one derived picture block from at least two adjacent subpicture blocks in the N subpicture blocks in the target derivation mode; and decoding the derived picture block.

公开(公告)号：US20230375668A1

公开(公告)日：2023-11-23

申请号：US18364222

申请日：2023-08-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoyu Lv ,  Daxin Luo ,  Yongbing Lin ,  Sha Ma

IPC: G01S7/481 ,  G01S17/931 ,  G01S17/89

CPC classification number: G01S7/4811 ,  G01S17/931 ,  G01S17/89

Abstract: A detection apparatus includes a laser transmitter, a laser detector, a beam optical splitter, and an image detector. The laser transmitter is configured to emit a laser signal to a detection area through the beam optical splitter. The laser detector is configured to receive a first signal from a first target object in the detection area through the beam optical splitter. The beam optical splitter is further configured to provide a second signal from the first target object in the detection area for the image detector. The image detector is configured to perform imaging using the second signal.

公开(公告)号：US10091523B2

公开(公告)日：2018-10-02

申请号：US15345948

申请日：2016-11-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongbing Lin

IPC: H04N19/51 ,  H04N19/52 ,  H04N19/436 ,  H04N19/463 ,  H04N19/46 ,  H04N19/176 ,  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：US20180241994A1

公开(公告)日：2018-08-23

申请号：US15958171

申请日：2018-04-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Changcai Lai ,  Yongbing Lin ,  Xiaozhen Zheng

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

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

Abstract: 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.