专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP4446982A2 STREAMING-TECHNOLOGY BASED VIDEO DATA PROCESSING METHOD AND APPARATUS 审中-公开
公开(公告)号：EP4446982A2
公开(公告)日：2024-10-16
申请号：EP24177997.4
申请日：2017-08-21
申请人： Huawei Technologies Co., Ltd.
发明人： DI, Peiyun , XIE, Qingpeng , CONG, Jing , MING, Hua
IPC分类号： G06T7/00
CPC分类号： H04L9/40 , H04N21/26258 , H04N21/84 , H04N21/4318 , H04N21/8456 , H04N21/23439 , H04N21/816
摘要： Embodiments of the present invention provide a streaming technology-based video data processing method and apparatus. The method includes: obtaining a media presentation description, where the media presentation description includes index information of video data; obtaining the video data based on the index information of the video data; obtaining tilt information of the video data; and processing the video data based on the tilt information of the video data. According to the video data processing method and apparatus in the embodiments of the present invention, information received by a client includes tilt information of video data, and the client may adjust a presentation manner of the video data based on the tilt information.

2. 发明授权

EP2637410B1 DETECTION METHOD AND DEVICE FOR FRAME TYPE 有权
公开(公告)号：EP2637410B1
公开(公告)日：2020-09-09
申请号：EP11848791.7
申请日：2011-09-29
申请人： Huawei Technologies Co., Ltd. , University of Science and Technology of China
发明人： SHEN, Qiu , XIE, Qingpeng , ZHANG, Dong , LI, Houqiang
IPC分类号： H04N19/89 , H04N19/503 , H04L12/26 , H04N19/577

3. 发明公开

EP3076595A1 METHOD AND DEVICE FOR MEASURING USER QUALITY OF EXPERIENCE QOE 有权
标题翻译：测量用户体验QOE质量的方法和设备
公开(公告)号：EP3076595A1
公开(公告)日：2016-10-05
申请号：EP16152403.8
申请日：2011-07-22
申请人： Huawei Technologies Co., Ltd.
发明人： CHEN, Bing , XIE, Qingpeng , SUN, Lina
IPC分类号： H04L12/24 , H04L29/06
CPC分类号： H04L41/5067 , H04L41/5038 , H04L65/80
摘要： The present invention discloses a method for measuring user quality of experience QoE, where the method includes the following steps: receiving event information sent by a receiving end, where the event information includes condition information for determining a cause for shortage of valid media data in a buffer of the receiving end; determining, according to the condition information, whether the shortage of the valid media data in the buffer of the receiving end is caused by a service system or caused by a user's action; and measuring QoE decrease degrees according to different causes for the shortage of the valid media data in the buffer, respectively.
摘要翻译：本发明公开了一种用户体验质量QoE的测量方法，该方法包括以下步骤：接收接收端发送的事件信息，所述事件信息包括条件信息，用于确定导致缺少有效媒体数据的原因接收端的缓冲区; 根据所述条件信息确定所述接收端的缓存中的有效媒体数据不足是由服务系统引起的还是由用户的动作引起的; 根据缓存中有效媒体数据不足的原因分别测量QoE下降度。

4. 发明公开

EP3023830A1 IMAGING SYSTEM 有权
标题翻译： ABBILDUNGSSYSTEM
公开(公告)号：EP3023830A1
公开(公告)日：2016-05-25
申请号：EP15179690.1
申请日：2015-08-04
申请人： Huawei Technologies Co., Ltd.
发明人： KHROMOV, Maxim , PETROV, Nikolay , NIKITIN, Vladislav , XIE, Qingpeng
IPC分类号： G02B27/22 , G02B27/26 , H04N13/04
CPC分类号： G03B35/26 , G02B27/2214 , G02B27/26 , G03B35/20 , G03B35/24 , H04N13/305 , H04N13/31
摘要： Embodiments of the present invention provide an imaging system, including: a first polarization element having a first polarization direction; a second polarization element having a second polarization direction; a third polarization element, where the third polarization element has multiple areas that respectively correspond to multiple pixel positions, each area in the multiple areas consists of a first semi-area and a second semi-area, where the first semi-area has the first polarization direction, and the second semi-area has the second polarization direction; a first projection device, projecting an image onto the multiple areas by using the first polarization element and based on the multiple pixel positions; and a second projection device, projecting an image onto the multiple areas by using the second polarization element and based on the multiple pixel positions. In the embodiments of the present invention, images from multiple views may be presented, by using a polarization element, in areas corresponding to pixel positions, which, therefore, can improve imaging resolution.
摘要翻译：本发明的实施例提供了一种成像系统，包括：具有第一偏振方向的第一偏振元件; 具有第二偏振方向的第二偏振元件; 第三偏振元件，其中第三偏振元件具有分别对应于多个像素位置的多个区域，多个区域中的每个区域由第一半区域和第二半区域组成，其中第一半区域具有第一半区域偏振方向，第二半区域具有第二偏振方向; 第一投影装置，通过使用第一偏振元件并基于多个像素位置将图像投影到多个区域上; 以及第二投影装置，通过使用第二偏振元件并基于多个像素位置将图像投影到多个区域上。在本发明的实施例中，可以通过使用偏振元件在与像素位置对应的区域中呈现来自多个视图的图像，因此可以提高成像分辨率。

5. 发明公开

EP2830316A1 METHOD AND DEVICE FOR EVALUATING MEDIA QUALITY 有权
标题翻译：方法和设备评价质量媒体
公开(公告)号：EP2830316A1
公开(公告)日：2015-01-28
申请号：EP12878144.0
申请日：2012-12-02
申请人： Huawei Technologies Co., Ltd
发明人： GAO, Shan , SUN, Lina , XIE, Qingpeng
IPC分类号： H04N17/00
CPC分类号： H04N17/004 , H04N17/02 , H04N19/89 , H04N21/23418 , H04N21/44008
摘要： The present invention is applicable to the communications field, and provides a method and an apparatus for evaluating media quality. The method includes: obtaining media reference quality and rebuffering event distortion quality; and determining final media quality according to the obtained media reference quality and rebuffering event distortion quality, where a parameter of the rebuffering event distortion quality includes at least one of the following: the number of rebuffering events, a duration of the rebuffering event, a multiple rebuffering event interaction impact parameter, initial media quality, and a factor describing media content complexity. In the present invention, when media quality is calculated, impact of the multiple rebuffering event interaction impact parameter, the initial media quality, and the factor describing media content complexity on the media quality is considered, thereby making a media quality evaluation result more accurate, and more consistent with subjective feelings of people.

6. 发明公开

EP2800388A1 VIDEO CONVERTING METHOD AND APPARATUS 审中-公开
标题翻译：视频转换方法和设备
公开(公告)号：EP2800388A1
公开(公告)日：2014-11-05
申请号：EP12865627.9
申请日：2012-06-28
申请人： Huawei Technologies Co., Ltd
发明人： FU, Jiali , XIE, Qingpeng
IPC分类号： H04N21/2343 , H04N7/26
CPC分类号： H04N19/115 , H04N19/154 , H04N19/172 , H04N19/40 , H04N21/23418 , H04N21/2343 , H04N21/44008 , H04N21/4402
摘要： The present invention discloses a video conversion method and apparatus, relates to digital media technologies, and solves a problem in the prior art that after video conversion, target video quality is low, and user experience is poor. A technical solution includes: receiving a video source, and acquiring compression distortion quality of the video source; acquiring, according to the compression distortion quality of the video source, a transcoding policy corresponding to the compression distortion quality, and determining, according to the transcoding policy, whether the video source requires transcoding; generating transcoding parameters according to the transcoding policy if the video source requires transcoding, where the transcoding policy includes target video quality, and the transcoding parameters include a target resolution, a target frame rate, and a target bit rate; and converting the video source according to the target resolution, the target frame rate, and the target bit rate, and generating a transcoded video.
摘要翻译：本发明公开了一种视频转换方法和装置，涉及数字媒体技术，解决了现有技术中视频转换后目标视频质量较差，用户体验较差的问题。技术方案包括：接收视频源，并获取视频源的压缩失真质量; 根据所述视频源的压缩失真质量获取所述压缩失真质量对应的转码策略，并根据所述转码策略确定所述视频源是否需要转码; 如果视频源需要转码，则根据转码策略生成转码参数，转码策略包括目标视频质量，转码参数包括目标分辨率，目标帧率和目标比特率; 以及根据目标分辨率，目标帧速率和目标比特率来转换视频源，并且生成转码后的视频。

7. 发明公开

EP2790407A1 VIDEO QUALITY EVALUATION METHOD AND DEVICE 审中-公开
标题翻译：视频质量评估方法和设备
公开(公告)号：EP2790407A1
公开(公告)日：2014-10-15
申请号：EP12875390.2
申请日：2012-11-05
申请人： Huawei Technologies Co., Ltd.
发明人： GAO, Shan , SUN, Lina , XIE, Qingpeng
IPC分类号： H04N17/02 , H04N7/64
CPC分类号： H04L43/0835 , H04N17/00 , H04N17/02
摘要： The present invention discloses a video quality assessment method. The method includes: acquiring parameter information of video data, where the parameter information includes a bit rate, a frame rate, and packet information; performing calculation according to the bit rate or the frame rate to obtain benchmark video quality of the video data; calculating the number of successively lost packets according to the packet information, and calculating the number of effective packet loss times according to the number of successively lost packets and a first packet threshold; performing calculation according to the number of effective packet loss times to obtain video packet loss and distortion quality of the video data; and performing calculation according to the benchmark video quality and the video packet loss and distortion quality to obtain final video quality. Using the number of effective packet loss times can accurately assess videos more effectively and reduce algorithm complexity. The present invention also discloses a video quality assessment apparatus.
摘要翻译：本发明公开了一种视频质量评估方法。该方法包括：获取视频数据的参数信息，该参数信息包括比特率，帧率和分组信息; 根据比特率或帧率进行计算，得到视频数据的基准视频质量; 根据分组信息计算连续丢失的分组数量，并根据连续丢失的分组数量和第一分组阈值计算有效丢包次数; 根据有效丢包次数进行计算，得到视频数据的视频丢包率和失真质量; 根据基准视频质量和视频丢包失真质量进行计算，得到最终的视频质量。使用有效丢包次数可以更有效地准确评估视频并降低算法复杂度。本发明还公开了一种视频质量评估装置。

8. 发明公开

EP2648415A1 VIDEO DATA QUALITY ASSESSMENT METHOD AND DEVICE 有权
标题翻译： VERFAHREN UND VORRICHTUNG ZURQUALITÄTSBEWERTUNGVON VIDEODATEN
公开(公告)号：EP2648415A1
公开(公告)日：2013-10-09
申请号：EP12770792.5
申请日：2012-03-30
申请人： Huawei Technologies Co., Ltd.
发明人： SUN, Lina , GAO, Shan , XIE, Qingpeng
IPC分类号： H04N17/00
CPC分类号： H04N17/004 , H04N21/44008
摘要： A video data quality assessment method and apparatus are disclosed. The video data quality assessment method includes: acquiring a compression distortion parameter of video data; acquiring a frame impairment distortion parameter/video data rebuffering influence parameter; calculating a video quality parameter According to the compression distortion parameter and the frame impairment distortion parameter/video data rebuffering influence parameter, where the video quality parameter is a difference between the compression distortion parameter and the frame impairment distortion parameter/video data rebuffering influence parameter.
摘要翻译：公开了一种视频数据质量评估方法和装置。视频数据质量评估方法包括：获取视频数据的压缩失真参数; 获取帧损害失真参数/视频数据拒绝影响参数; 计算视频质量参数根据压缩失真参数和帧损害失真参数/视频数据重播影响参数，其中视频质量参数是压缩失真参数和帧损害失真参数/视频数据重制影响参数之间的差异。

9. 发明公开

EP2229002A1 METHOD, DEVICE AND SYSTEM FOR EVALUATING QUALITY OF VIDEO CODE STREAM 审中-公开
标题翻译： VERFAHREN，VORRICHTUNG系统ZUR BEWERTUNG DERQUALITÄTEINES VIDEOCODE-STREAMS
公开(公告)号：EP2229002A1
公开(公告)日：2010-09-15
申请号：EP09793813.8
申请日：2009-06-04
申请人： Huawei Technologies Co., Ltd.
发明人： XIE, Qingpeng , YANG, Fuzheng , WAN, Shuai
IPC分类号： H04N17/00
CPC分类号： H04N19/89 , H04L65/80 , H04N17/004 , H04N19/159 , H04N19/61 , H04N21/4385 , H04N21/44008 , H04N21/442
摘要： A method for evaluating quality of video streams includes: obtaining video streams; obtain coding information of video frames in the video stream; evaluating the single frame quality according to the coding information of the video frames; and evaluating the sequence quality according to the single frame quality evaluation result. An apparatus and a system for evaluating quality are also provided. Thus, the quality of video data packets transmitted in a channel can be predicted accurately, and the single frame quality evaluation result of the video frames can be obtained immediately.
摘要翻译：一种用于评估视频流的质量的方法包括：获得视频流; 获取视频流中视频帧的编码信息; 根据视频帧的编码信息评估单帧质量; 并根据单帧质量评估结果评估序列质量。还提供了一种用于评估质量的装置和系统。因此，可以精确地预测在信道中发送的视频数据分组的质量，并且可以立即获得视频帧的单帧质量评估结果。

10. 发明公开

EP3678371A1 MEDIA INFORMATION PROCESSING METHOD AND APPARATUS 审中-公开
公开(公告)号：EP3678371A1
公开(公告)日：2020-07-08
申请号：EP18861699.9
申请日：2018-09-19
申请人： Huawei Technologies Co., Ltd.
发明人： SONG, Yi , XIE, Qingpeng , FANG, Huameng , FAN, Yuqun
IPC分类号： H04N19/10 , H04N21/81 , H04N19/597 , H04N19/70
摘要： Embodiments of the present invention disclose a media information processing method and apparatus. The method includes: obtaining media data, where the media data includes indication information and at least one frame of picture data, the indication information is used to indicate whether a prediction pixel corresponding to a pixel in a picture exceeds a boundary in a preset direction, and the preset direction includes at least one of the following directions: a top direction, a bottom direction, a left direction, or a right direction; and decoding the at least one frame of picture data based on the indication information. According to the media information processing method and apparatus in the embodiments of the present invention, it is possible to splice a plurality of sub-bitstreams, required bitstreams are spliced and then are decoded, so that a plurality of sub-picture sequences can be decoded by using only a single decoder.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式