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公开(公告)号：US12289492B2
公开(公告)日：2025-04-29
申请号：US18173887
申请日：2023-02-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Huameng Fang , Xin Liu , Peiyun Di
IPC: H04N19/597 , H04N21/218 , H04N21/4402
Abstract: An encoding and decoding method are disclosed. The method includes: Each of multiple viewpoint bitstreams includes a first type bitstream and a second type bitstream; when a first image frame in a first type bitstream of a first viewpoint bitstream is played, receiving a switching request that indicates to play a second viewpoint bitstream; determining a first random access frame that is in a first type bitstream and/or a second type bitstream of the second viewpoint bitstream and has a play moment after and closest to the first image frame; decoding to obtain the first random access frame based on encoded data of the first random access frame in the second viewpoint bitstream, and decoding to obtain and play an image frame that is in the first type bitstream of the second viewpoint bitstream by using the first random access frame as a reference frame.
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22.发明公开公开(公告)号：US20240276074A1
公开(公告)日：2024-08-15
申请号：US18419305
申请日：2024-01-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ye-Kui Wang , Yuqun Fan , Peiyun Di
IPC: H04N21/81 , H04N21/218 , H04N21/2343 , H04N21/84
CPC classification number: H04N21/816 , H04N21/21805 , H04N21/2343 , H04N21/84
Abstract: A method comprises obtaining media content associated with a first viewpoint and a second viewpoint, wherein a first position of the first viewpoint is static and a second position of the second viewpoint is dynamic; generating a first VWPT descriptor based on the media content and describing the first viewpoint; generating a second VWPT descriptor based on the media content and describing the second viewpoint; generating an MPD comprising the first VWPT descriptor and the second VWPT descriptor; and transmitting the MPD.
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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：US11463700B2
公开(公告)日：2022-10-04
申请号：US16880757
申请日：2020-05-21
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Huameng Fang , Peiyun Di
IPC: H04N19/132 , H04N19/117 , H04N19/119 , H04N19/176 , G06T3/40 , G06T7/40 , G06T9/00
Abstract: A video picture processing method includes: sampling an initial picture, to obtain a target picture; dividing the target picture, to obtain a plurality of sub-pictures; extending picture borders of a first-category sub-picture, to obtain an extended first-category sub-picture; downsampling the extended first-category sub-picture, to obtain a downsampled first-category sub-picture; encoding a second-category sub-picture and the downsampled first-category sub-picture, to obtain bitstreams; and writing location information and extension information of the plurality of sub-pictures into the bitstreams, where extension information of the first-category sub-picture is used to indicate that the picture borders of the first-category sub-picture have been extended and indicate extension widths of the picture borders, and extension information of the second-category sub-picture is used to indicate that picture borders of the second-category sub-picture have not been extended.
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公开(公告)号：US11438645B2
公开(公告)日：2022-09-06
申请号：US17038744
申请日：2020-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yuqun Fan , Peiyun Di , Fuzheng Yang
IPC: H04N21/438 , H04N21/4402 , H04N21/6587 , H04N21/84 , H04N21/845
Abstract: A media information processing method includes obtaining media description information, where the media description information includes description information of at least two bitstreams corresponding to a first picture area, any one of the at least two bitstreams has an access point different in time from an access point of another bitstream in the at least two bitstreams, the at least two bitstreams are bitstreams obtained by separately encoding picture content of the first picture subarea, and time periods corresponding to the picture content separately encoded by the at least two bitstreams overlap, and determining, based on the media description information, a to-be-played first target bitstream, where the first target bitstream is one of the at least two bitstreams.
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Patent Agency Ranking
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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公开(公告)号：US10462518B2
公开(公告)日：2019-10-29
申请号：US15467486
申请日：2017-03-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peiyun Di , Xin Liu , Changquan Ai
IPC: H04N21/437 , H04N21/4402 , H04N5/232 , H04N5/44 , H04N7/01 , H04N21/258 , H04N21/44 , H04N21/472
Abstract: An image presentation method, where the method includes obtaining identification information of a first object when a switching instruction for switching the first object to a second object is received, where one of the first object or the second object is a first 360-degree panorama, the other is a first strip panorama, the first strip panorama includes multiple front sub-images used to display a first region, an ith front sub-image in the multiple front sub-images corresponds to a front image in a jth 360-degree panorama in multiple 360-degree panoramas and displays an ith sub-region in the first region, and the first 360-degree panorama is one of the multiple 360-degree panoramas, obtaining, according to the identification information of the first object, the second object corresponding to the identification information of the first object, and presenting the second object.
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公开(公告)号：US09485294B2
公开(公告)日：2016-11-01
申请号：US14081491
申请日：2013-11-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Dong Wang , Changqi Hu , Peiyun Di , Jun Yao , Xin Liu
CPC classification number: H04L65/602 , H04L65/4084 , H04L65/605
Abstract: Disclosure of the present invention provide a method and an apparatus for processing a video stream. The method includes: acquiring a request message from a terminal, where the request message carries address information of multiple sub video screens, according to the address information, acquiring multiple substreams corresponding to the multiple sub video screens in a one-to-one manner, merging the multiple substreams into a single stream, and generating an indication message used to indicate a picture parameter of the single stream, and sending the single stream and the indication message to the terminal, so that the terminal decodes the single stream and displays decoded multiple sub video screens according to the indication message.
Abstract translation: 本发明的公开提供了一种用于处理视频流的方法和装置。 该方法包括：根据地址信息从终端获取请求消息，其中请求消息携带多个子视频屏幕的地址信息，以一对一的方式获取对应于多个子视频屏幕的多个子流， 将多个子流合并为单个流，并生成用于指示单个流的图像参数的指示消息，并向终端发送单个流和指示消息，使得终端解码单个流并显示解码的多个 子视频屏幕根据指示信息。
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公开(公告)号：US09432432B2
公开(公告)日：2016-08-30
申请号：US14230758
申请日：2014-03-31
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04L65/602 , H04L65/4084 , H04L65/4092 , H04L65/80
Abstract: Embodiments of the present invention provide a streaming media segment preparation method and apparatus. The method includes: determining at least one quality point, where the at least one quality point is separately used to indicate quality of at least one target segment of streaming media in a first time period; and determining, according to the at least one quality point, the at least one target segment of the streaming media in the first time period. In the embodiments of the present invention, streaming media segments are prepared by taking a quality factor of the streaming media segments into consideration, which may avoid the problem that redundant segments are generated during preparation of the streaming media segments according to bit rates, thereby reducing a storage volume of a server.
Abstract translation: 本发明的实施例提供流媒体片段制备方法和装置。 该方法包括：确定至少一个质量点，其中至少一个质量点被分开用于指示在第一时间段内流媒体的至少一个目标段的质量; 以及根据所述至少一个质量点在所述第一时间周期中确定所述流媒体的所述至少一个目标片段。 在本发明的实施例中，通过考虑流媒体片段的品质因素来准备流媒体片段，这可以避免根据比特率在制作流媒体片段期间生成冗余片段的问题，从而减少 服务器的存储卷。
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