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1. 发明申请

WO2019052568A1 ADAPTIVE MOTION VECTOR RESOLUTION 审中-公开
公开(公告)号：WO2019052568A1
公开(公告)日：2019-03-21
申请号：PCT/CN2018/106130
申请日：2018-09-18
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： LIU, Shan , FU, Jiali
IPC分类号： H04N19/52
CPC分类号： H04W12/06 , G06K9/00013 , G06K9/00208 , G06K9/00255 , G06K9/00744 , G06K9/00899 , G06K9/00912 , G06K9/2036 , G06K9/4642 , H04L63/0861 , H04N19/117 , H04N19/184 , H04N19/46 , H04N19/52 , H04N19/523 , H04N19/573 , H04N19/70 , H04N19/91
摘要： A mechanism of video coding is provided. The mechanism includes determining a motion vector predictor (MVP), a horizontal motion vector difference component (MVDx), and a vertical motion vector difference component (MVDy) associated with a motion vector (MV). A horizontal MV resolution (MVR) and a vertical MVR are also determined for the MV. A horizontal component of the MVP is rounded to a precision specified by the horizontal MVR and a vertical component of the MVP is rounded to a precision specified by the vertical MVR. The MV is determined based on the MVP, the MVDx, and the MVDy. The MV is then employed to position a current block in a current frame relative to a reference block in a reference frame. A video stream including the current frame is generated for display on a screen.

2. 发明申请

WO2017052406A1 APPARATUS AND METHOD FOR VIDEO MOTION COMPENSATION 审中-公开
标题翻译：视频运动补偿的装置和方法
公开(公告)号：WO2017052406A1
公开(公告)日：2017-03-30
申请号：PCT/RU2015/000611
申请日：2015-09-25
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： IKONIN, Sergey Yurievich , SYCHEV, Maxim Borisovitch , STEPIN, Victor Alexeevich
IPC分类号： H04N19/50 , H04N19/82 , H04N19/13 , H04N19/523
CPC分类号： H04N19/82 , H04N19/50 , H04N19/523
摘要： The present invention relates to a video coder for predictive coding a video stream of subsequent frames according to motion compensation into an encoded video bit stream, comprising a frame buffer (207) adapted to store at least one reference frame of the video stream, said reference frame being different from a current frame of the video stream, an inter prediction unit (210) adapted to generate a prediction block of a current block of the current frame from a reference block of the reference frame, and an adaptive sharpening filter (211) configured to adaptively filter the prediction block.
摘要翻译：本发明涉及一种视频编码器，用于根据运动补偿将后续帧的视频流预测编码成编码视频位流，包括适于存储视频流的至少一个参考帧的帧缓冲器（207），所述帧缓冲器参考帧不同于视频流的当前帧;帧间预测单元，适于从参考帧的参考块生成当前帧的当前块的预测块，以及自适应锐化滤波器（211））被配置为自适应地过滤所述预测块。

3. 发明申请

WO2017052405A1 APPARATUS AND METHOD FOR VIDEO MOTION COMPENSATION 审中-公开
标题翻译：视频运动补偿的装置和方法
公开(公告)号：WO2017052405A1
公开(公告)日：2017-03-30
申请号：PCT/RU2015/000610
申请日：2015-09-25
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： IKONIN, Sergey Yurievich , SYCHEV, Maxim Borisovich , STEPIN, Victor Alexeevich
IPC分类号： H04N19/50 , H04N19/82 , H04N19/523
CPC分类号： H04N19/82 , H04N19/523
摘要： The present invention relates to a video coder for predictive coding a video stream of subsequent frames according to motion compensation into an encoded video bit stream, comprising a frame buffer (207) configured to store at least one reference frame of the video stream, an inter prediction unit (210) configured to generate a prediction block of a current block of the current frame from a reference block of the reference frame. Said prediction block is generated by means of a motion vector having a fractional-pel resolution, said fractional-pel resolution defining for each integer position of a motion vector a plurality of associated fractional positions. The video coder further comprises a sharpening filter (211) configured to filter the prediction block, and a control unit (212) configured to control the sharpening filter (211) depending on the integer or fractional position of the motion vector used for generating the prediction block.
摘要翻译：视频编码器技术领域本发明涉及一种视频编码器，用于根据运动补偿将后续帧的视频流预测编码成编码视频位流，包括被配置为存储视频流的至少一个参考帧的帧缓冲器（207）帧间预测单元，被配置为从参考帧的参考块生成当前帧的当前块的预测块。所述预测块通过具有分数像素分辨率的运动矢量产生，所述分数像素分辨率为运动矢量的每个整数位置定义多个相关分数位置。视频编码器还包括被配置为对预测块进行滤波的锐化滤波器（211），以及控制单元（212），被配置为根据用于生成预测的运动矢量的整数或分数位置来控制锐化滤波器（211）块。

4. 发明申请

WO2017005146A1 视频编码和解码方法、视频编码和解码装置审中-公开
公开(公告)号：WO2017005146A1
公开(公告)日：2017-01-12
申请号：PCT/CN2016/088157
申请日：2016-07-01
申请人：华为技术有限公司
发明人：王钊 , 马思伟 , 吕卓逸 , 杨海涛
IPC分类号： H04N19/56
CPC分类号： H04N19/56 , H04N19/109 , H04N19/136 , H04N19/139 , H04N19/14 , H04N19/182 , H04N19/523 , H04N19/533 , H04N19/57
摘要：本发明实施例公开了一种视频编码和解码方法、视频编码和解码装置。本发明实施例方法包括：获取当前图像，根据所述当前图像获取所述当前图像的运动矢量精度，所述运动矢量精度包括搜索步长集合，所述搜索步长集合中的各搜索步长小于一个像素单位；获取当前块以及所述当前块的参考图像；确定所述参考图像中的搜索起点，从所述搜索起点开始以一个像素单位为搜索步长搜索目标整像素点；根据所述运动矢量精度从所述目标整像素点开始搜索所述当前块的匹配块；获取运动矢量信息和预测残差信号，将所述参考图像的信息、所述运动矢量信息以及所述预测残差信号写入码流，所述参考图像的信息用于指示所述参考图像。本发明实施例能够结合视频特性进行编码和解码。

5. 发明申请

WO2016206748A1 REFINEMENT OF A LOW-PEL RESOLUTION MOTION ESTIMATION VECTOR 审中-公开
标题翻译：低分辨率运动估计矢量的修正
公开(公告)号：WO2016206748A1
公开(公告)日：2016-12-29
申请号：PCT/EP2015/064458
申请日：2015-06-25
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： MAIER, Georg , BROSS, Benjamin , GROIS, Dan , MARPE, Detlev , SCHWARZ, Heiko , WIEGAND, Thomas , VELTKAMP, Remco C.
IPC分类号： H04N19/147 , H04N19/557 , H04N19/567 , H04N19/523 , H04N19/176 , H04N19/533
CPC分类号： H04N19/147 , H04N19/132 , H04N19/139 , H04N19/17 , H04N19/176 , H04N19/523 , H04N19/533 , H04N19/557 , H04N19/567
摘要： The refinement of a lower-pel resolution motion estimation vector is made more effective by preceding the actual refinement with a determination of a context out of a set of context candidates based on coding costs of a set of lower-pel resolution vectors within a neighborhood of the lower-pel resolution motion estimation vector, wherein each context candidate is associated with a ranking among a set of higher-pel resolution candidate vectors surrounding the lower-pel resolution motion estimation vector. The actual refinement of the lower-pel resolution motion estimation vector to obtain the higher-pel resolution motion estimation vector may thus use the ranking associated with the context determined: sequentially arranged accordingly, the set of higher-pel resolution candidate vectors may be tested sequentially.
摘要翻译：通过基于一组上下文候选中的上下文的确定，基于一组邻近的低像素分辨率向量中的一组较低像素分辨率向量的编码成本，使得较低像素分辨率运动估计向量的细化更有效较低像素分辨率运动估计向量，其中每个上下文候选与在低像素分辨率运动估计向量周围的一组较高像素分辨率候选向量之间的等级相关联。因此，获得较高像素分辨率运动估计向量的较低像素分辨率运动估计向量的实际细化可以使用与所确定的上下文相关联的排序：相应地依次排列，可以顺序地测试该较高像素分辨率候选向量的集合。

6. 发明申请

WO2016183216A1 SEARCH REGION DETERMINATION FOR INTER CODING WITHIN A PARTICULAR PICTURE OF VIDEO DATA 审中-公开
标题翻译：在视频数据的特定图像中搜索区域确定
公开(公告)号：WO2016183216A1
公开(公告)日：2016-11-17
申请号：PCT/US2016/031888
申请日：2016-05-11
申请人： QUALCOMM INCORPORATED
发明人： PANG, Chao , RAPAKA, Krishnakanth , SEREGIN, Vadim , KARCZEWICZ, Marta , JOSHI, Rajan Laxman
IPC分类号： H04N19/523 , H04N19/57
CPC分类号： H04N19/52 , H04N19/105 , H04N19/182 , H04N19/186 , H04N19/503 , H04N19/523 , H04N19/57 , H04N19/593 , H04N19/61
摘要： An example method of encoding video data includes determining a resolution that will be used for a motion vector that identifies a predictor block in a current picture of video data for a current block in the current picture of video data; determining, based on the determined resolution, a search region for the current block such that a size of the search region is smaller where the resolution is fractional-pixel than where the resolution is integer-pixel; selecting, from within the search region, a predictor block for the current block; determining the motion vector that identifies the selected predictor block for the current block; and encoding, in a coded video bitstream, a representation of the motion vector.
摘要翻译：编码视频数据的示例方法包括确定将用于识别视频数据的当前图像中的当前块的视频数据的当前图像中的预测块的运动矢量的分辨率; 基于所确定的分辨率，确定当前块的搜索区域，使得搜索区域的尺寸小于分辨率是分数像素而不是分辨率是整数像素的尺寸; 从搜索区域内选择当前块的预测块; 确定识别当前块的所选预测器块的运动矢量; 并且在编码视频比特流中对运动矢量的表示进行编码。

7. 发明申请

WO2016129851A1 비균등 위상 보간을 이용하여 비디오 신호를 인코딩, 디코딩하는 방법 및 장치 审中-公开
标题翻译：通过非均匀相位插值来编码和解码视频信号的方法和装置
公开(公告)号：WO2016129851A1
公开(公告)日：2016-08-18
申请号：PCT/KR2016/001174
申请日：2016-02-03
申请人： 엘지전자(주)
发明人： 김철근 , 남정학 , 박승욱 , 예세훈
IPC分类号： H04N19/59 , H04N19/577 , H04N19/176
CPC分类号： H04N19/117 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/523 , H04N19/59 , H04N19/70 , H04N19/80 , H04N19/82
摘要： 본 발명은, 비디오 신호를 디코딩하는 방법에 있어서, 타겟 블록 내 정수 샘플의 위치 정보를 유도하는 단계; 상기 정수 샘플의 위치 정보에 기초하여 상기 정수 샘플에 비균등 보간 필터링을 수행하는 단계; 상기 비균등 보간 필터링 결과에 따라, 보간 샘플 값을 유도하는 단계; 및 상기 보간 샘플 값을 이용하여 예측 샘플 값을 획득하는 단계를 포함하되, 상기 비균등 보간 필터링은 위상 간격 또는 보간 샘플 수 중 적어도 하나가 다르며, 상기 위상 간격은 보간 샘플 간의 간격을 나타내고, 상기 보간 샘플 수는 정수 샘플 사이에 생성되는 보간 샘플들의 개수를 나타내는 것을 특징으로 하는 방법을 제공한다.
摘要翻译：提供一种解码视频信号的方法，其特征在于包括以下步骤：获得目标块内的整数样本的位置信息; 根据整数样本的位置信息，通过非均匀插值对整数样本进行滤波; 基于非均匀内插滤波的结果获得内插采样值; 并且通过内插采样值获取预测采样值，其中对于非均匀内插滤波，相位间隔或插值采样数中的至少一个不同，相位间隔指示插值之间的间隔样本，并且插值样本的数量表示在整数样本之间生成的插值样本的数量。

8. 发明申请

WO2016109309A2 COMPUTATIONALLY EFFICIENT MOTION ESTIMATION 审中-公开
标题翻译：计算有效运动估计
公开(公告)号：WO2016109309A2
公开(公告)日：2016-07-07
申请号：PCT/US2015/067240
申请日：2015-12-22
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , LIN, Chih-Lung , LI, Binlong , LEE, Ming-Chieh
IPC分类号： H04N19/56 , H04N19/117 , H04N19/137 , H04N19/17 , H04N19/523
CPC分类号： H04N19/523 , H04N19/117 , H04N19/137 , H04N19/17 , H04N19/56 , H04N19/82
摘要： The detailed description presents innovations in performing motion estimation during digital video media encoding. In one example embodiment, motion estimation is performed using a lower-complexity sub-pixel interpolation filter configured to compute sub-pixel values for two or more candidate prediction regions at a sub-pixel offset, the two or more candidate prediction regions being located in one or more reference frames. For a selected one of the candidate prediction regions at the sub-pixel offset, motion compensation is performed using a higher-complexity sub-pixel interpolation filter.
摘要翻译：详细描述介绍了在数字视频媒体编码期间执行运动估计的创新。在一个示例实施例中，使用较低复杂度子像素内插滤波器来执行运动估计，所述较低复杂度子像素内插滤波器被配置为在子像素偏移处计算两个或更多个候选预测区域的子像素值，所述两个或更多个候选预测区域位于一个或多个参考帧。对于子像素偏移的候选预测区域中的所选择的一个，使用较高复杂度的子像素内插滤波器来执行运动补偿。

9. 发明申请

WO2016078599A1 METHOD OF MOTION VECTOR AND BLOCK VECTOR RESOLUTION CONTROL 审中-公开
标题翻译：运动矢量和块矢量分辨率控制方法
公开(公告)号：WO2016078599A1
公开(公告)日：2016-05-26
申请号：PCT/CN2015/094983
申请日：2015-11-19
申请人： MEDIATEK INC.
发明人： LIU, Shan , XU, Xiaozhong
IPC分类号： H04B1/66
CPC分类号： H04N19/107 , H04N19/139 , H04N19/174 , H04N19/196 , H04N19/46 , H04N19/513 , H04N19/52 , H04N19/523 , H04N19/573 , H04N19/577 , H04N19/593
摘要： A method of video coding using coding modes including IntraBC mode (Intra-block copy mode) and inter prediction mode is disclosed. In one embodiment, when adaptive motion vector resolution is selected to allow adaptive use of integer resolution or fractional-pel resolution, are solution indicator having a value corresponding to using integer resolution for all motion vectors and all block vectors is signalled in the current. In Another embodiment, if a coded block is coded in the inter prediction mode or the IntraBC mode, the coded MV or BV is converted to a converted MV or BV having fractional-pel resolution if a resolution indicator for the coded block specifies integer resolution. The system then stores the converted MV or BV for encoding or decoding of subsequent blocks.
摘要翻译：公开了使用包括IntraBC模式（块内复制模式）和帧间预测模式的编码模式的视频编码方法。在一个实施例中，当选择自适应运动矢量分辨率以允许自适应使用整数分辨率或分数像素分辨率时，具有对应于所有运动矢量使用整数分辨率的值的解决方案指示符，并且在当前信号中指示所有块向量。在另一个实施例中，如果以帧间预测模式或IntraBC模式编码编码块，则如果编码块的分辨率指示符指定整数分辨率，则将编码的MV或BV转换为具有分数像素分辨率的转换的MV或BV。然后，系统存储用于后续块的编码或解码的转换的MV或BV。

10. 发明申请

WO2016050219A1 METHOD OF ADAPTIVE MOTION VETOR RESOLUTION FOR VIDEO CODING 审中-公开
标题翻译：用于视频编码的自适应运动分析方法
公开(公告)号：WO2016050219A1
公开(公告)日：2016-04-07
申请号：PCT/CN2015/091275
申请日：2015-09-30
申请人： MEDIATEK INC.
发明人： XU, Xiaozhong , ZHANG, Kai , LIU, Shan , AN, Jicheng , ZHANG, Xianguo
IPC分类号： H04N19/513
CPC分类号： H04N19/117 , H04N19/124 , H04N19/139 , H04N19/176 , H04N19/52 , H04N19/523 , H04N19/86
摘要： A method of MVP (motion vector prediction) for video coding with adaptive motion vector resolution is disclosed. According to the method, the MVP coding is applied to the current MV or the current MV is stored depending on the current MV resolution, the reference MV resolution, or both the current MV resolution and the reference MV resolution. In one embodiment, when the current MV resolution corresponds to integer pixel resolution, MVP coding is then applied to the current MV using a modified temporal MV as a motion vector predictor for the current MV, where the modified temporal MV is generated by right-shifting the temporal MV. In another embodiment, when the current MV resolution corresponds to integer pixel resolution, the current MV is left-shifted before it is stored in a memory.
摘要翻译：公开了一种用于具有自适应运动矢量分辨率的视频编码的MVP（运动矢量预测）的方法。根据该方法，将MVP编码应用于当前的MV，或者根据当前的MV分辨率，参考MV分辨率，或当前的MV分辨率和参考MV分辨率来存储当前的MV。在一个实施例中，当当前MV分辨率对应于整数像素分辨率时，MVP编码然后被应用于当前MV，使用经修改的时间MV作为当前MV的运动矢量预测器，其中修改的时间MV由右移时间MV。在另一个实施例中，当当前的MV分辨率对应于整数像素分辨率时，当前的MV被存储在存储器中之前被左移。

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