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1. 发明申请

US20170111659A1 METHOD AND APPARATUS FOR ENCODING AND DECODING TRANSFORM COEFFICIENTS 审中-公开
公开(公告)号：US20170111659A1
公开(公告)日：2017-04-20
申请号：US15391810
申请日：2016-12-27
申请人： HUAWEI TECHNOLOGIES CO.,LTD.
发明人： Jin Song , Mingyuan Yang , Dong Wang
IPC分类号： H04N19/645 , H04N19/132 , H04N19/129 , H04N19/86 , H04N19/91 , H04N19/117 , H04N19/61
CPC分类号： H04N19/645 , H04N19/117 , H04N19/129 , H04N19/132 , H04N19/60 , H04N19/61 , H04N19/86 , H04N19/91
摘要： An encoding method includes: encoding transform coefficients of a transform coefficient block according to a predetermined scan order, and encoding a set number of transform coefficients in each group until a last group of the transform coefficient block is encoded; storing an obtained map of non-zero transform coefficients, absolute values of transform coefficients, and positive and negative signs of non-zero transform coefficients; when the last group is being encoded, encoding the stored map of non-zero transform coefficients and the map of non-zero transform coefficients encoded in the last group into a bit stream; and encoding the stored absolute values of transform coefficients and positive and negative signs of non-zero transform coefficients and the absolute values of transform coefficients and positive and negative signs of non-zero transform coefficients encoded in the last group into the bit stream.

2. 发明授权

US09521408B2 Method and apparatus for rounding coordinate value of non-integer pixel position motion vector 有权
标题翻译：用于舍入非整数像素位置运动矢量坐标值的方法和装置
公开(公告)号：US09521408B2
公开(公告)日：2016-12-13
申请号：US13946705
申请日：2013-07-19
申请人： Huawei Technologies Co., Ltd.
发明人： Mingyuan Yang , Sixin Lin , Jiantong Zhou , Haoping Yu
IPC分类号： H04N7/34 , H04N7/36 , H04N19/51 , H04N19/513 , H04N19/533 , H04N19/523 , H04N19/59
CPC分类号： H04N19/51 , H04N19/513 , H04N19/523 , H04N19/533 , H04N19/59
摘要： The present disclosure provides a method and an apparatus for rounding a coordinate value of a non-integer pixel position motion vector. The method includes: rounding a coordinate value of a non-integer pixel position motion vector, which includes: for each dimension of coordinates of the non-integer pixel position motion vector, when a coordinate in the dimension is a non-integer pixel position, rounding the coordinate value of the non-integer pixel position motion vector in the dimension to one of integer pixel coordinate positions A and B if distances from the coordinate of the non-integer pixel position motion vector in the dimension to the integer pixel coordinate positions A and B adjacent to the non-integer pixel position in the dimension are the same, where an integer pixel coordinate position is determined by a sign of the coordinate value of the non-integer pixel position motion vector in the dimension.
摘要翻译：本公开提供了用于舍入非整数像素位置运动矢量的坐标值的方法和装置。该方法包括：舍入非整数像素位置运动矢量的坐标值，该坐标值包括：对于非整数像素位置运动矢量的坐标的每个维度，当维度中的坐标是非整数像素位置时，将尺寸中的非整数像素位置运动矢量的坐标值舍入到整数像素坐标位置A和B之一，如果距维度中的非整数像素位置运动矢量的坐标到整数像素坐标位置A 和B相邻的尺寸上的非整数像素位置的坐标值相同，其中整数像素坐标位置由尺寸中的非整数像素位置运动矢量的坐标值的符号确定。

3. 发明授权

US10484702B2 Encoding/decoding method and apparatus with vector derivation mode 有权
公开(公告)号：US10484702B2
公开(公告)日：2019-11-19
申请号：US15822657
申请日：2017-11-27
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Sixin Lin , Mingyuan Yang
IPC分类号： H04N7/12 , H04N19/513 , H04N19/517 , H04N19/51 , H04N19/56 , H04N19/523 , H04N19/567
摘要： An encoding method, a decoding method, an encoding apparatus, a decoding apparatus, for a video image. The encoding method includes: determining an optimal merged neighboring block for a current block based on a motion vector merging technology; determining, based a prediction direction of the optimal merged neighboring block, a motion vector derivation mode that needs to be used by a decoder; correcting a motion vector of the current block based on the motion vector derivation mode; and determining a residual between a predicted value and an original value of the current block based on the corrected motion vector, thereby encoding the current block. According to the technical solutions, a more accurate predicted value is obtained by correcting the motion vector, and a smaller residual is generated.

4. 发明申请

US20130315313A1 METHOD AND APPARATUS FOR ROUNDING COORDINATE VALUE OF NON-INTEGER PIXEL POSITION MOTION VECTOR 有权
标题翻译：非整数像素位置运动矢量坐标值的方法和装置
公开(公告)号：US20130315313A1
公开(公告)日：2013-11-28
申请号：US13946705
申请日：2013-07-19
申请人： Huawei Technologies Co., Ltd.
发明人： Mingyuan Yang , Sixin Lin , Jiantong Zhou , Haoping Yu
IPC分类号： H04N7/36
CPC分类号： H04N19/51 , H04N19/513 , H04N19/523 , H04N19/533 , H04N19/59
摘要： The present disclosure provides a method and an apparatus for rounding a coordinate value of a non-integer pixel position motion vector. The method includes: rounding a coordinate value of a non-integer pixel position motion vector, which includes: for each dimension of coordinates of the non-integer pixel position motion vector, when a coordinate in the dimension is a non-integer pixel position, rounding the coordinate value of the non-integer pixel position motion vector in the dimension to one of integer pixel coordinate positions A and B if distances from the coordinate of the non-integer pixel position motion vector in the dimension to the integer pixel coordinate positions A and B adjacent to the non-integer pixel position in the dimension are the same, where an integer pixel coordinate position is determined by a sign of the coordinate value of the non-integer pixel position motion vector in the dimension.
摘要翻译：本公开提供了用于舍入非整数像素位置运动矢量的坐标值的方法和装置。该方法包括：舍入非整数像素位置运动矢量的坐标值，该坐标值包括：对于非整数像素位置运动矢量的坐标的每个维度，当维度中的坐标是非整数像素位置时，将尺寸中的非整数像素位置运动矢量的坐标值舍入到整数像素坐标位置A和B之一，如果距维度中的非整数像素位置运动矢量的坐标到整数像素坐标位置A 和B相邻的尺寸上的非整数像素位置的坐标值相同，其中整数像素坐标位置由尺寸中的非整数像素位置运动矢量的坐标值的符号确定。

5. 发明申请

US20220086477A1 ENCODING/DECODING METHOD, ENCODING APPARATUS, DECODING APPARATUS, AND SYSTEM FOR VIDEO IMAGE 有权
公开(公告)号：US20220086477A1
公开(公告)日：2022-03-17
申请号：US17535693
申请日：2021-11-26
申请人： HUAWEI TECHNOLOGIES CO.,LTD.
发明人： Sixin Lin , Mingyuan Yang
IPC分类号： H04N19/513 , H04N19/517 , H04N19/51
摘要： Embodiments of the present invention provide an encoding method, a decoding method, an encoding apparatus, a decoding apparatus, for a video image. The encoding method includes: determining an optimal integrated neighboring block for a current block based on a motion vector integration technology; determining, based a prediction direction of the optimal integrated neighboring block, a motion vector derivation mode that needs to be used by a decoder; correcting a motion vector of the current block based on the motion vector derivation mode; and determining a residual between a predicted value and an original value of the current block based on the corrected motion vector, thereby encoding the current block. According to the technical solutions, a more accurate predicted value is obtained by correcting the motion vector, and a smaller residual is generated.

6. 发明授权

US10097826B2 Method and device for generating a predicted value of an image using interpolation and motion vectors 有权
公开(公告)号：US10097826B2
公开(公告)日：2018-10-09
申请号：US15864493
申请日：2018-01-08
申请人： Huawei Technologies Co., Ltd.
发明人： Sixin Lin , Mingyuan Yang , Haoping Yu , Jiantong Zhou , Cunbin Pan
IPC分类号： H04N7/12 , H04N19/109 , G06T9/00 , H04N19/56 , H04N19/149 , H04N19/117 , H04N19/53 , H04N19/523 , H04N19/577
摘要： A method and device for generating a predicted value of image to generate a predicted value of a current block during image encoding or decoding is disclosed, where the method includes determining a searching scope, wherein a plurality of motion vectors are included in the searching scope, performing up-sampling interpolations on first reference blocks corresponding to the motion vector in the searching scope, in a reference image of the current block using a first filter to obtain up-sampled first reference blocks, obtaining, using the up-sampled first reference blocks, at least one candidate motion vector corresponding to the current block, performing up-sampling interpolations on second reference blocks, corresponding to the at least one candidate motion vector, in the reference image of the current block using a second filter to obtain up-sampled second reference blocks, combining the up-sampled second reference blocks to obtain a predicted value of the current block.

7. 发明授权

US09324165B2 Method and device for generating a predicted value of an image using interpolation and motion vectors 有权
标题翻译：使用内插和运动矢量生成图像的预测值的方法和装置
公开(公告)号：US09324165B2
公开(公告)日：2016-04-26
申请号：US13738773
申请日：2013-01-10
申请人： Huawei Technologies Co., Ltd.
发明人： Sixin Lin , Mingyuan Yang , Haoping Yu , Jiantong Zhou , Cunbin Pan
IPC分类号： H04N7/12 , G06T9/00 , H04N19/56 , H04N19/149 , H04N19/109 , H04N19/117 , H04N19/53 , H04N19/523 , H04N19/577
CPC分类号： H04N19/109 , G06T9/004 , H04N19/117 , H04N19/149 , H04N19/523 , H04N19/53 , H04N19/56 , H04N19/577
摘要： A method and device for generating a predicted value of image that are mostly used to generate a predicted value of a current block during image encoding or decoding. The method includes: determining a searching scope, wherein multiple motion vectors are included in the searching scope; performing up-sampling interpolations on first reference blocks, corresponding to the motion vector in the searching scope, in a reference image of the current block by using a first filter to obtain up-sampled first reference blocks; by using the up-sampled first reference blocks, obtaining at least one candidate motion vector corresponding to the current block; performing up-sampling interpolations on second reference blocks, corresponding to the at least one candidate motion vector, in the reference image of the current block by using a second filter to obtain up-sampled second reference blocks; combining the up-sampled second reference blocks to obtain a predicted value of the current block.
摘要翻译：一种用于在图像编码或解码期间生成主要用于生成当前块的预测值的图像的预测值的方法和装置。该方法包括：确定搜索范围，其中多个运动矢量包括在搜索范围内; 通过使用第一滤波器来获取上采样的第一参考块，在当前块的参考图像中对与搜索范围中的运动矢量相对应的第一参考块执行向上采样内插; 通过使用上采样的第一参考块，获得与当前块相对应的至少一个候选运动矢量; 通过使用第二滤波器来获取上采样的第二参考块，在当前块的参考图像中对应于至少一个候选运动矢量的第二参考块上执行上取样内插; 组合上采样的第二参考块以获得当前块的预测值。

8. 发明授权

US09288492B2 Motion prediction or compensation method 有权
标题翻译：运动预测或补偿方法
公开(公告)号：US09288492B2
公开(公告)日：2016-03-15
申请号：US13947681
申请日：2013-07-22
申请人： Huawei Technologies Co., Ltd.
发明人： Sixin Lin , Mingyuan Yang , Jiantong Zhou , Haoping Yu
IPC分类号： H04N19/52 , H04N19/533 , H04N19/56 , H04N19/523
CPC分类号： H04N19/533 , H04N19/52 , H04N19/523 , H04N19/56
摘要： Embodiments of the present invention provide a motion prediction or compensation method during a video coding and decoding process. A motion prediction or compensation method provided in the embodiments of the present invention includes: acquiring a candidate motion vector set; conducting a refined search for an optimal motion vector based on information of the candidate motion vector set; and performing motion prediction or compensation by using the motion vector acquired by the refined search. This improves coding performance and meanwhile maintains reasonable complexity.
摘要翻译：本发明的实施例在视频编码和解码过程中提供运动预测或补偿方法。本发明实施例提供的运动预测或补偿方法包括：获取候选运动矢量集; 基于候选运动矢量集的信息进行精确搜索最优运动矢量; 以及通过使用由精细搜索获得的运动矢量来执行运动预测或补偿。这提高了编码性能，同时保持了合理的复杂性。

9. 发明申请

US20180131932A1 Method and Device for Generating a Predicted Value of an Image Using Interpolation and Motion Vectors 审中-公开
公开(公告)号：US20180131932A1
公开(公告)日：2018-05-10
申请号：US15864493
申请日：2018-01-08
申请人： Huawei Technologies Co., Ltd.
发明人： Sixin Lin , Mingyuan Yang , Haoping Yu , Jiantong Zhou , Cunbin Pan
IPC分类号： H04N19/109 , G06T9/00 , H04N19/577 , H04N19/56 , H04N19/117 , H04N19/523 , H04N19/149 , H04N19/53
CPC分类号： H04N19/109 , G06T9/004 , H04N19/117 , H04N19/149 , H04N19/523 , H04N19/53 , H04N19/56 , H04N19/577
摘要： A method and device for generating a predicted value of image to generate a predicted value of a current block during image encoding or decoding is disclosed, where the method includes determining a searching scope, wherein a plurality of motion vectors are included in the searching scope, performing up-sampling interpolations on first reference blocks corresponding to the motion vector in the searching scope, in a reference image of the current block using a first filter to obtain up-sampled first reference blocks, obtaining, using the up-sampled first reference blocks, at least one candidate motion vector corresponding to the current block, performing up-sampling interpolations on second reference blocks, corresponding to the at least one candidate motion vector, in the reference image of the current block using a second filter to obtain up-sampled second reference blocks, combining the up-sampled second reference blocks to obtain a predicted value of the current block.

10. 发明申请

US20180077424A1 ENCODING/DECODING METHOD, ENCODING APPARATUS, DECODING APPARATUS, AND SYSTEM FOR VIDEO IMAGE 审中-公开
公开(公告)号：US20180077424A1
公开(公告)日：2018-03-15
申请号：US15822657
申请日：2017-11-27
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Sixin Lin , Mingyuan Yang
IPC分类号： H04N19/513 , H04N19/517 , H04N19/523 , H04N19/567 , H04N19/56
摘要： Embodiments of the present invention provide an encoding method, a decoding method, an encoding apparatus, a decoding apparatus, for a video image. The encoding method includes: determining an optimal integrated neighboring block for a current block based on a motion vector integration technology; determining, based a prediction direction of the optimal integrated neighboring block, a motion vector derivation mode that needs to be used by a decoder; correcting a motion vector of the current block based on the motion vector derivation mode; and determining a residual between a predicted value and an original value of the current block based on the corrected motion vector, thereby encoding the current block. According to the technical solutions, a more accurate predicted value is obtained by correcting the motion vector, and a smaller residual is generated.

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