公开(公告)号：US09419875B2

公开(公告)日：2016-08-16

申请号：US14331611

申请日：2014-07-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shan Gao ,  Lina Sun ,  Qingpeng Xie

IPC: H04L12/26 ,  H04N17/02 ,  H04N17/00

CPC classification number: H04L43/0835 ,  H04N17/00 ,  H04N17/02

Abstract: A video quality assessment method and a video quality assessment apparatus are provided. 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; 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.

Abstract translation: 提供视频质量评估方法和视频质量评估装置。 该方法包括：获取视频数据的参数信息，其中参数信息包括比特率，帧速率和分组信息; 根据比特率或帧速率进行计算，以获得视频数据的基准视频质量; 根据分组信息计算连续丢失分组数，计算有效分组丢失次数; 根据有效分组丢失次数进行计算，获得视频数据丢失和视频数据的失真质量; 并根据基准视频质量和视频分组丢失和失真质量进行计算，以获得最终的视频质量。 使用有效数据包丢失次数可以更有效地准确评估视频，降低算法复杂度。

公开(公告)号：US20140232878A1

公开(公告)日：2014-08-21

申请号：US14264978

申请日：2014-04-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lina Sun ,  Qingpeng Xie ,  Dong Li ,  Fuzheng Yang ,  Liang Zhou ,  Chang Huang

IPC: H04N17/00

CPC classification number: H04N17/00 ,  H04N17/004

Abstract: Embodiments of the present invention disclose a method and an apparatus for obtaining a video quality parameter and an electronic device. The method includes dividing a target video segment into at least one video subsegment, where duration of every video subsegment is at least time perceivable by human eyes; obtaining a video quality parameter of the video subsegment; and processing the video quality parameter of the video subsegment, and obtaining a video quality parameter of the target video segment.

Abstract translation: 本发明的实施例公开了一种用于获得视频质量参数和电子设备的方法和装置。 该方法包括将目标视频片段划分成至少一个视频子片段，其中每个视频子片段的持续时间至少被人眼看到的时间; 获取视频子段的视频质量参数; 并处理视频子段的视频质量参数，并获得目标视频段的视频质量参数。

公开(公告)号：US20140037016A1

公开(公告)日：2014-02-06

申请号：US14050740

申请日：2013-10-10

Applicant: Huawei Technologies Co., LTD.

Inventor： Qingpeng Xie ,  Fuzheng Yang ,  Shuai Wan

IPC: H04N7/26

CPC classification number: H04N19/89 ,  H04L65/80 ,  H04N17/004 ,  H04N19/159 ,  H04N19/61 ,  H04N21/4385 ,  H04N21/44008 ,  H04N21/442

Abstract: 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.

Abstract translation: 一种用于评估视频流的质量的方法包括：获取视频流; 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。

公开(公告)号：US20130314553A1

公开(公告)日：2013-11-28

申请号：US13954168

申请日：2013-07-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lina Sun ,  Shan Gao ,  Qingpeng Xie

IPC: H04N17/00

CPC classification number: H04N17/004 ,  H04N21/44008

Abstract: 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 parameter; and calculating a video quality parameter according to the compression distortion parameter and the frame impairment distortion parameter/video data rebuffering parameter, where the video quality parameter is a difference between the compression distortion parameter and the frame impairment distortion parameter/video data rebuffering parameter.

Abstract translation: 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/视频数据重排参数; 并且根据压缩失真参数和帧损害失真参数/视频数据重新接收参数来计​​算视频质量参数，其中视频质量参数是压缩失真参数和帧损害失真参数/视频数据重排参数之间的差异。

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.

公开(公告)号：US10116929B2

公开(公告)日：2018-10-30

申请号：US15188611

申请日：2016-06-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shan Gao ,  Lina Sun ,  Qingpeng Xie

IPC: H04N17/00 ,  H04N19/154 ,  H04N21/24

Abstract: Embodiments of the present invention provide a multimedia quality monitoring method, and a device. The method includes: determining reference quality of multimedia according to reference video quality and reference audio quality of the multimedia; acquiring multimedia distortion quality that is after video distortion and/or audio distortion of the multimedia occur/occurs; and determining quality of the multimedia according to the reference quality of the multimedia and the multimedia distortion quality. Therefore, accuracy of a multimedia quality monitoring result is improved.

公开(公告)号：US09781382B2

公开(公告)日：2017-10-03

申请号：US14959341

申请日：2015-12-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Zhang ,  Zhigang Yao ,  Qingpeng Xie

IPC: H04N7/01 ,  H04N19/527 ,  H04N19/577 ,  H04N19/567 ,  H04N19/513 ,  H04N5/14

CPC classification number: H04N7/014 ,  H04N5/145 ,  H04N7/0117 ,  H04N7/0125 ,  H04N7/0127 ,  H04N19/521 ,  H04N19/527 ,  H04N19/567 ,  H04N19/577

Abstract: A method and an apparatus for determining a small-object region in a video frame. The method includes dividing a current video frame into at least two regions, and determining a global motion vector corresponding to each region; determining an interframe motion vector of each group of adjacent frames in multiple video frames that include the current video frame and a reference frame of the current video frame; determining a candidate small-object region in the current video frame according to the interframe motion vector of the each group of adjacent frames and the determined global motion vector corresponding to each region; and performing filtering on the candidate small-object region in the current video frame, and determining a region obtained after the filtering as a small-object region in the current video frame.

公开(公告)号：US09491065B2

公开(公告)日：2016-11-08

申请号：US14014735

申请日：2013-08-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bing Chen ,  Qingpeng Xie ,  Lina Sun

IPC: H04L12/24 ,  H04L29/06

CPC classification number: H04L41/5067 ,  H04L41/5038 ,  H04L65/80

Abstract: 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.

Abstract translation: 本发明公开了一种用于测量用户体验质量QoE的方法，其中所述方法包括以下步骤：接收由接收端发送的事件信息，其中所述事件信息包括用于确定有缺陷的媒体数据的原因的条件信息 接收端的缓冲区; 根据条件信息确定接收端的缓冲器中的有效媒体数据的不足是由服务系统引起还是由用户的动作引起的; 并根据缓冲区中有效媒体数据不足的不同原因测量QoE减小度。

公开(公告)号：US20150189138A1

公开(公告)日：2015-07-02

申请号：US14574002

申请日：2014-12-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qingpeng Xie ,  Lei Zhang ,  Shanfu Li ,  Jun Yao ,  Shan Gao

IPC: H04N5/225 ,  H04N5/232

CPC classification number: H04N5/2256 ,  H04N5/23222 ,  H04N5/23293 ,  H04N5/2354 ,  H04N5/2355 ,  H04N5/2356

Abstract: Embodiments of the present invention disclose a shooting method, an apparatus, and a terminal. The method includes: after it is detected that a camera is started, instructing a display screen facing a shooting person to display a preview image; obtaining a preset lighting parameter; controlling a display screen facing a shot target to provide lighting by using the preset lighting parameter; and shooting an image according to a shooting instruction. In the embodiments of the present invention, a display screen may be used as an auxiliary light source, and the display screen is controlled to provide lighting by using a preset lighting parameter, so that the quality of an image shot by a camera in a low light condition is improved.

Abstract translation: 本发明的实施例公开了一种拍摄方法，装置和终端。 该方法包括：在检测到摄像机开始之后，指示面向拍摄人物的显示屏幕显示预览图像; 获得预设的照明参数; 控制面向射击目标的显示屏幕，通过使用预设的照明参数来提供照明; 并根据拍摄说明拍摄图像。 在本发明的实施例中，显示屏可以用作辅助光源，并且通过使用预设的照明参数来控制显示屏以提供照明，使得由相机拍摄的图像的质量低 光条件得到改善。

公开(公告)号：US20140328198A1

公开(公告)日：2014-11-06

申请号：US14331611

申请日：2014-07-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shan Gao ,  Lina Sun ,  Qingpeng Xie

IPC: H04L12/26 ,  H04N17/00

CPC classification number: H04L43/0835 ,  H04N17/00 ,  H04N17/02

Abstract: A video quality assessment method and a video quality assessment apparatus are provided. 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; 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.

Abstract translation: 提供视频质量评估方法和视频质量评估装置。 该方法包括：获取视频数据的参数信息，其中参数信息包括比特率，帧速率和分组信息; 根据比特率或帧速率进行计算，以获得视频数据的基准视频质量; 根据分组信息计算连续丢失分组数，计算有效分组丢失次数; 根据有效分组丢失次数进行计算，获得视频数据丢失和视频数据的失真质量; 并根据基准视频质量和视频分组丢失和失真质量进行计算，以获得最终的视频质量。 使用有效数据包丢失次数可以更有效地准确评估视频，降低算法复杂度。