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公开(公告)号：US20220215617A1
公开(公告)日：2022-07-07
申请号：US17701355
申请日：2022-03-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: A viewpoint image processing method and a related device are provided, and relate to the artificial intelligence/computer vision field. The method includes: obtaining a preset quantity of first viewpoint images; obtaining a geometric feature matrix between the preset quantity of first viewpoint images; generating an adaptive convolution kernel corresponding to each pixel of the preset quantity of first viewpoint images based on the geometric feature matrix and location information of a to-be-synthesized second viewpoint image, where the location information represents a viewpoint location of the second viewpoint image; generating the preset quantity of to-be-processed virtual composite pixel matrices based on the adaptive convolution kernels and the pixels of the preset quantity of existing viewpoint images; and synthesizing the second viewpoint image by using the preset quantity of to-be-processed virtual composite pixel matrices. The method can improve efficiency and quality of synthesizing the second viewpoint image.
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公开(公告)号：US11032571B2
公开(公告)日：2021-06-08
申请号：US16739568
申请日：2020-01-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Song , Qingpeng Xie , Peiyun Di
IPC: H04N19/15 , H04N19/597 , H04N19/115 , H04N19/132 , H04N19/162 , H04N19/176 , G06T3/00
Abstract: An image processing method includes performing horizontal division and vertical division on a longitude-latitude map or a sphere map of a to-be-processed image to obtain sub-areas of the longitude-latitude map or the sphere map, where a division location of the horizontal division is a preset latitude, a division location of the vertical division is determined by a latitude, there are at least two types of vertical division intervals in an area formed by adjacent division locations of the horizontal division, and a vertical division interval is a distance between adjacent division locations of the vertical division, and encoding images of the sub-areas.
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公开(公告)号：US20240187611A1
公开(公告)日：2024-06-06
申请号：US18437650
申请日：2024-02-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yixuan Zhang , Shaolin Chen , Yi Song , Peiyun Di
IPC: H04N19/176 , G06T7/00 , H04N19/119 , H04N19/30
CPC classification number: H04N19/176 , G06T7/0002 , H04N19/119 , H04N19/30 , G06T2207/30168
Abstract: This application provides an image encoding and decoding method and apparatus. The method may include: reading a first sub-image of a first frame of image from a first memory, and storing the first sub-image into a second memory, where the first memory is an off-chip memory, and the second memory is an on-chip memory; encoding a base layer of the first sub-image based on the first sub-image, to obtain a bitstream of the base layer of the first sub-image and a first reconstructed image; writing the first reconstructed image into the second memory; reading the first reconstructed image and the first sub-image from the second memory; and encoding a first enhancement layer of the first sub-image based on the first reconstructed image and the first sub-image, to obtain a bitstream of the first enhancement layer of the first sub-image and a second reconstructed image.
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公开(公告)号：US11416965B2
公开(公告)日：2022-08-16
申请号：US17090394
申请日：2020-11-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Song , Peiyun Di , Saiping Zhang
Abstract: An image processing method includes determining, based on a coordinate position of a to-be-interpolated sample in a target image, a first coordinate position of the to-be-interpolated sample in a source image, determining m reference samples based on the first coordinate position, determining an interpolation weight of each of the m reference samples for the to-be-interpolated sample based on a spherical distance between a coordinate position of each of the m reference samples and the first coordinate position, and determining a pixel value of the to-be-interpolated sample based on a pixel value corresponding to each of the m reference samples and the interpolation weight of each of the m reference samples for the to-be-interpolated sample to obtain the target image.
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公开(公告)号：US20210049735A1
公开(公告)日：2021-02-18
申请号：US17090394
申请日：2020-11-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Song , Peiyun Di , Saiping Zhang
Abstract: An image processing method includes determining, based on a coordinate position of a to-be-interpolated sample in a target image, a first coordinate position of the to-be-interpolated sample in a source image, determining m reference samples based on the first coordinate position, determining an interpolation weight of each of the m reference samples for the to-be-interpolated sample based on a spherical distance between a coordinate position of each of the m reference samples and the first coordinate position, and determining a pixel value of the to-be-interpolated sample based on a pixel value corresponding to each of the m reference samples and the interpolation weight of each of the m reference samples for the to-be-interpolated sample to obtain the target image.
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Patent Agency Ranking
公开(公告)号：US12075166B2
公开(公告)日：2024-08-27
申请号：US17213050
申请日：2021-03-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: G06T3/40 , G06T19/00 , H04N23/698
CPC classification number: H04N23/698 , G06T3/40 , G06T19/006
Abstract: This application provides a spherical image processing method which includes: obtaining a spherical image and determining a sphere center of the spherical image; determining a viewpoint of a user when the user views the spherical image, where the viewpoint is located at any point, other than the sphere center, in a sphere space surrounded by the spherical image; determining a pixel expansion region and a pixel shrinkage region on the spherical image based on the sphere center and the viewpoint; and performing an image processing operation on the spherical image, where the image processing operation comprises a pixel expansion processing operation on an image in the pixel expansion region, and a pixel shrinkage processing operation on an image in the pixel shrinkage region.
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公开(公告)号：US11902350B2
公开(公告)日：2024-02-13
申请号：US17247008
申请日：2020-11-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Song , Peiyun Di , Xuhong Zeng , Maozheng Liu , Jun Zha , Jiantong Zhou
IPC: H04L65/80 , H04N19/162 , H04N19/184 , H04N19/70 , H04L65/70
CPC classification number: H04L65/80 , H04L65/70 , H04N19/162 , H04N19/184 , H04N19/70
Abstract: This application provides a video processing method and apparatus. The method includes: adding, by a server, perception attribute information of an object and spatial location information of the object to a video bitstream or a video file, and encapsulating the video bitstream or the video file, where the perception attribute information is used to indicate a property presented when the object is perceived by a user; and obtaining, by a terminal device, the video bitstream or the video file that carries the perception attribute information of the object and the spatial location information of the object, and performing perception rendering on a perception attribute of the object based on behavior of the user, the perception attribute information of the object and the spatial location information of the object.
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公开(公告)号：US20240275995A1
公开(公告)日：2024-08-15
申请号：US18647534
申请日：2024-04-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Song , Yixuan Zhang , Peiyun Di , Shaolin Chen
IPC: H04N19/30 , H04N19/172
CPC classification number: H04N19/30 , H04N19/172
Abstract: This application provides a picture encoding method and apparatus, and a picture decoding method and apparatus. The picture encoding method in this application includes: determining a reference frame number of a current picture based on channel feedback information, where the channel feedback information indicates information about a picture frame received by a decoder side; obtaining a first reference layer number set of a first picture frame corresponding to the reference frame number, where the first reference layer number set includes layer numbers of N1 layers, 1≤N1
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公开(公告)号：US11138460B2
公开(公告)日：2021-10-05
申请号：US16383022
申请日：2019-04-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiali Fu , Qingpeng Xie , Yi Song
Abstract: An image processing method and apparatus. The image processing method includes: obtaining encoded data of a first region and a neighboring region neighboring to the first region in a two-dimensional planar image, where the two-dimensional planar image is an image obtained by mapping a spherical panorama image, and the first region and the neighboring region have an overlapping region; determining a pixel value of a pixel in an image of the first region; determining a pixel value of a pixel in an image of the neighboring region; and determining a target pixel value of a pixel in the overlapping region based on the pixel value of the pixel of the first region in the overlapping region and the pixel value of the pixel of the neighboring region in the overlapping region.
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公开(公告)号：US20200154138A1
公开(公告)日：2020-05-14
申请号：US16739568
申请日：2020-01-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Song , Qingpeng Xie , Peiyun Di
IPC: H04N19/597 , H04N19/115 , H04N19/162 , H04N19/176 , H04N19/132 , G06T3/00
Abstract: An image processing method includes performing horizontal division and vertical division on a longitude-latitude map or a sphere map of a to-be-processed image to obtain sub-areas of the longitude-latitude map or the sphere map, where a division location of the horizontal division is a preset latitude, a division location of the vertical division is determined by a latitude, there are at least two types of vertical division intervals in an area formed by adjacent division locations of the horizontal division, and a vertical division interval is a distance between adjacent division locations of the vertical division, and encoding images of the sub-areas.
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