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Patent Searching and Data


Title:
VIDEO QUALITY ASSESSMENT METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/032361
Kind Code:
A1
Abstract:
A video quality assessment method and device, comprising: a network device determining an average video download speed, a best effort video download speed and a video download speed fluctuation rate of a terminal device, the average video download speed being the average download speed of a video within a playback duration of the video, the best effort video download speed being an average download speed of the video within an effective download time period during the playback duration, the effective download time period being the sum of all time periods within the playback duration during which the download speed is greater than a threshold; the video download speed fluctuation rate being a ratio of a buffering time period to the playback duration, and the buffering time period being the sum of all time periods within the playback duration during which download speed is less than the average video download speed; and the network device determining a video mean opinion score (vMOS) of the video according to the average video download speed, the best effort video download speed and the video download speed fluctuation rate.

Inventors:
XU QIONGTAO (CN)
LI WEN (CN)
Application Number:
PCT/CN2016/095547
Publication Date:
February 22, 2018
Filing Date:
August 16, 2016
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04N17/00
Foreign References:
CN104348647A2015-02-11
CN104468266A2015-03-25
CN104023232A2014-09-03
US20140172979A12014-06-19
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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