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11. 发明公开

EP3067862A3 IMAGE PROCESSING METHOD AND APPARATUS 审中-公开
标题翻译：图像处理方法和设备
公开(公告)号：EP3067862A3
公开(公告)日：2016-10-05
申请号：EP16158465.1
申请日：2016-03-03
申请人： Huawei Technologies Co., Ltd.
发明人： SHEN, Yanhao , ZHAO, Yin , LI, Mengjian
IPC分类号： G06T7/00
CPC分类号： H04N9/76 , G06T7/12 , G06T7/194 , H04N9/77
摘要： Embodiments of the present invention provide an image processing method and apparatus, where the method includes: determining m boundary points of a target image; acquiring a color component of a non-boundary point in a j th area, where the j th area is a neighborhood of the j th boundary point in the m boundary points, 1≤j≤m, and m is a positive integer greater than or equal to 1; and performing synthesis processing according to the color component of the non-boundary point in the j th area, to obtain a color component of the j th boundary point. According to the embodiments of the present invention, by means of processing on a boundary point of a target image, precision of image matting and synthesis processing can be improved, and the embodiments of the present invention can be applied to a real-time image matting and synthesis process.
摘要翻译：本发明实施例提供一种图像处理方法和装置，该方法包括：确定目标图像的m个边界点; 获取第j个区域中的非边界点的颜色分量，其中，第j个区域为m个边界点中第j个边界点的邻域，1≤j≤m，m为大于或等于 1; 根据第j个区域中的非边界点的颜色分量进行合成处理，得到第j个边界点的颜色分量。根据本发明的实施例，通过对目标图像的边界点进行处理，可以提高图像抠合和合成处理的精度，并且本发明的实施例可以应用于实时图像抠像和合成过程。

12. 发明公开

EP2993860A1 METHOD, APPARATUS, AND SYSTEM FOR PRESENTING COMMUNICATION INFORMATION IN VIDEO COMMUNICATION 有权
标题翻译：方法，装置及系统的通信信息的视频会议演示
公开(公告)号：EP2993860A1
公开(公告)日：2016-03-09
申请号：EP15182248.3
申请日：2015-08-25
申请人： Huawei Technologies Co., Ltd.
发明人： CHEN, Zichong , ZHAO, Yin , LV, Pei , ZHOU, Jiong
IPC分类号： H04L29/06
CPC分类号： H04N7/15 , G06K9/00335 , G06T7/70 , H04L65/1096 , H04L65/403 , H04S7/40
摘要： Embodiments of the present invention provide a method for presenting communication information in video communication, including: controlling collection of audio information and video information of a video communication site; determining a position of a speaker in the video communication site according to the audio information, where the speaker is a person of participants in the video communication site that speaks; acquiring speech video information from the video information according to the position of the speaker, where the speech video information is video information of the speaker within a speaking period; and controlling presentation of the speech video information.
摘要翻译：本发明实施例提供了一种用于在视频通信呈现信息的通信，包括：控制的音频信息和视频通信站点的视频信息的收集; 确定性采矿视频通信网站gemäß的音频信息，其中扬声器是在视频通信网站没有讲一个人参加的扬声器的位置; 获取从所述视频信息gemäß语音的视频信息到扬声器，其中语音的视频信息是有声周期内的扬声器的视频信息的位置; 和控制的语音视频信息的呈现。

13. 发明公开

EP4369711A2 MOTION VECTOR OBTAINING METHOD AND APPARATUS 审中-实审
公开(公告)号：EP4369711A2
公开(公告)日：2024-05-15
申请号：EP24150170.9
申请日：2019-06-04
申请人： Huawei Technologies Co., Ltd.
发明人： CHEN, Huanbang , ZHAO, Yin , YANG, Haitao , CHEN, Jianle
IPC分类号： H04N19/176
CPC分类号： H04N19/513 , H04N19/176 , H04N19/105 , H04N19/139 , H04N19/433
摘要： This application provides a motion vector obtaining method and apparatus. The method includes: determining a first value range and a second value range; determining a target offset vector of a to-be-processed block and identifier information of a target picture, where the to-be-processed block includes at least one to-be-processed sub-block, a value of a component of the target offset vector in a first direction falls within the first value range, a value of a component of the target offset vector in a second direction falls within the second value range, and the first direction and the second direction are in an orthogonal relationship; determining, in the target picture based on a location of the to-be-processed sub-block and the target offset vector, a collocated sub-block of the to-be-processed sub-block; and determining a motion vector of the to-be-processed sub-block based on a motion vector of the collocated sub-block. In this application, a range of the target offset vector is limited, so that a quantity of memory read times can be reduced in a process of obtaining the motion vector of the collocated sub-block.

14. 发明公开

EP4250730A3 SPATIALLY VARYING TRANSFORM WITH ADAPTIVE TRANSFORM TYPE 审中-实审
公开(公告)号：EP4250730A3
公开(公告)日：2024-01-10
申请号：EP23185053.8
申请日：2019-05-28
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Yin , YANG, Haitao , CHEN, Jianle
IPC分类号： H04N19/122 , H04N19/147 , H04N19/61 , H04N19/60 , H04N19/12 , H04N19/17
摘要： The present disclosure discloses a video decoding method and apparatus employing SVT with adaptive transform type. The method comprising: determining the usage of SVT-V or SVT-H for a residual block; determining a transform block position of a transform block of the residual block; determining a transform type of the transform block, wherein the transform type indicates a horizontal transform and a vertical transform for the transform block, wherein at least one of the horizontal transform and the vertical transform is DST-7; and reconstructing the residual block based on the transform type, the transform block position and transform coefficients of the transform block. By employing the solution of the present disclosure can improve decoding quality.

15. 发明公开

EP4210327A1 INTRA FRAME PREDICTION METHOD AND DEVICE 审中-实审
公开(公告)号：EP4210327A1
公开(公告)日：2023-07-12
申请号：EP21871636.3
申请日：2021-09-26
申请人： Huawei Technologies Co., Ltd.
发明人： YANG, Haitao , SONG, Nan , CHEN, Xu , MA, Xiang , CHEN, Huanbang , ZHAO, Yin
IPC分类号： H04N19/11
摘要： This application provides an intra prediction method and an apparatus. This application relates to the field of artificial intelligence (AI)-based video or picture compression technologies, and in particular, to the field of neural network-based video compression technologies. The method includes: obtaining respective intra prediction modes or texture distributions of P reconstructed picture blocks in a surrounding region of a current block; obtaining, based on the respective intra prediction modes or texture distributions of the P reconstructed picture blocks, Q priori candidate intra prediction modes of the current block and Q probability values; obtaining, based on M probability values corresponding to M priori candidate intra prediction modes, M weighting factors corresponding to the M priori candidate intra prediction modes; separately performing intra prediction based on the M priori candidate intra prediction modes to obtain M predicted values; and obtaining a predicted value of the current block based on a weighted summation of the M predicted values and the corresponding M weighting factors. This application can improve accuracy of intra prediction, reduce an error of intra prediction, and improve RDO efficiency of intra prediction.

16. 发明公开

EP3907995A1 CHROMA BLOCK PREDICTION METHOD AND DEVICE 有权
公开(公告)号：EP3907995A1
公开(公告)日：2021-11-10
申请号：EP19907227.3
申请日：2019-12-10
申请人： Huawei Technologies Co., Ltd.
发明人： MA, Xiang , MU, Fan , ZHAO, Yin , YANG, Haitao
IPC分类号： H04N19/182 , H04N19/593 , H04N19/186
摘要： This application provides a chroma block prediction method and apparatus, and pertains to the field of video encoding and decoding technologies. The method includes: obtaining chroma values of chroma samples at preset locations from neighboring samples of a chroma block; obtaining, based on neighboring samples of a luma block corresponding to the chroma block, luma values of luma samples corresponding to the chroma samples; classifying the obtained luma values into a first luma set and a second luma set; grouping the chroma values into a first chroma set and a second chroma set; determining a scaling coefficient in a linear model based on an average value of luma values in the first luma set, an average value of luma values in the second luma set, an average value of chroma values in the first chroma set, and an average value of chroma values in the second chroma set; determining, based on the scaling coefficient, an offset factor in a linear model corresponding to the chroma block; and determining prediction information of the chroma block based on the scaling coefficient, the offset factor, and luma reconstruction information corresponding to the chroma block. In this way, chroma block prediction efficiency can be improved.

17. 发明公开

EP3890321A1 IMAGE RECONSTRUCTION METHOD AND DEVICE 审中-公开
公开(公告)号：EP3890321A1
公开(公告)日：2021-10-06
申请号：EP19894750.9
申请日：2019-12-13
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Yin , YANG, Haitao , ZHAO, Riyang , LI, Zhongliang , ZHANG, Lian
IPC分类号： H04N19/176 , H04N19/70
摘要： Embodiments of this application disclose a picture reconstruction method and apparatus for a video picture. The picture reconstruction method includes: obtaining a prediction mode of a current coding unit, and/or obtaining a prediction partition mode of the current coding unit, where the current coding unit includes a luma coding block and a chroma coding block, and the prediction partition mode is a mode of splitting the current coding unit into prediction blocks or prediction units; obtaining a transform block of the current coding unit based on the prediction partition mode and/or the prediction mode; and generating a reconstructed picture block of the current coding unit based on the transform block. According to the method in the embodiments of this application, video coding efficiency can be improved.

18. 发明公开

EP3866469A1 PICTURE ENCODING/DECODING METHOD AND RELATED APPARATUS 审中-实审
公开(公告)号：EP3866469A1
公开(公告)日：2021-08-18
申请号：EP20208246.7
申请日：2016-03-25
申请人： Huawei Technologies Co., Ltd.
发明人： YU, Lu , ZUO, Xuguang , ZHAO, Yin , YANG, Haitao
IPC分类号： H04N19/503 , H04N19/172 , H04N19/142 , H04N19/23 , H04N19/87 , H04N19/58 , H04N19/105 , G06K9/00 , G06K9/46
摘要： A picture encoding/decoding method and a related apparatus are provided. The picture decoding method includes: obtaining a current picture; selecting, from a knowledge base, K reference pictures of the current picture, where at least one picture in the knowledge base does not belong to a random access segment in which the current picture is located, and K is an integer greater than or equal to 1; and decoding the current picture according to the K reference pictures. The technical solutions provided in embodiments help improve video coding/decoding efficiency.

19. 发明公开

EP3866464A1 IMAGE PREDICTION METHOD AND DEVICE 审中-实审
公开(公告)号：EP3866464A1
公开(公告)日：2021-08-18
申请号：EP19875782.5
申请日：2019-10-28
申请人： Huawei Technologies Co., Ltd.
发明人： XU, Weiwei , YANG, Haitao , ZHAO, Yin
IPC分类号： H04N19/105
摘要： Embodiments of the present invention provide a picture prediction method. The method includes: receiving a bitstream; parsing the bitstream to obtain a prediction mode of a current block; when the prediction mode of the current block is a combined intra and inter prediction mode, selecting an execution mode of a triangular prediction unit mode according to a preset policy; determining motion information of the current block according to the execution mode of the triangular prediction unit mode; performing a motion compensation process based on the motion information, to obtain an inter prediction sample; obtaining an intra prediction sample according to the prediction mode of the current block; and combining the inter prediction sample and the intra prediction sample to obtain a prediction picture of the current block. The embodiments of the present invention can improve encoding and decoding efficiency.

20. 发明公开

EP3815377A1 VIDEO ENCODER, VIDEO DECODER, AND CORRESPONDING ENCODING AND DECODING METHODS 有权
公开(公告)号：EP3815377A1
公开(公告)日：2021-05-05
申请号：EP19837624.6
申请日：2019-07-16
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： MA, Xiang , ZHAO, Yin , YANG, Haitao , CHEN, Jianle
IPC分类号： H04N19/593 , H04N19/59

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