Title:
VIDEO QUALITY IMPROVEMENT METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/196087
Kind Code:
A1
Abstract:
Disclosed in the present application are a video quality improvement method and an apparatus within the field of artificial intelligence (AI), the video quality improvement method comprising: decoding is performed on a video to be processed, and syntax elements for a plurality of frames are obtained; an I frame is determined on the basis of a syntax element for the I frame among the plurality of frames; frame quality improvement is performed on the I frame, so as to obtain an improved I frame; a first partial image block among a plurality of image blocks in a non-I frame is determined on the basis of a syntax element for the non-I frame among the plurality of frames, said non-I frame comprising a P frame or a B frame; block quality improvement is performed on the first partial image block, so as to obtain an improved first partial image block; an improved non-I frame is obtained according to the improved first partial image block. The method in the present application can improve video quality improvement efficiency, satisfying the need for video quality improvement in real time.
Inventors:
CHEN LIANG (CN)
SUN FENGYU (CN)
LAN CHUANJUN (CN)
SUN FENGYU (CN)
LAN CHUANJUN (CN)
Application Number:
PCT/CN2020/082815
Publication Date:
October 07, 2021
Filing Date:
April 01, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04N19/114; H04N11/04
Foreign References:
| CN108989802A | 2018-12-11 | |||
| US20060268981A1 | 2006-11-30 | |||
| CN101005622A | 2007-07-25 | |||
| CN101383964A | 2009-03-11 | |||
| CN104301727A | 2015-01-21 |
Other References:
J. BOYCE, V. DRUGEON, G. J. SULLIVAN, Y.-K. WANG: "Supplemental enhancement information messages for coded video bitstreams (Draft 3)", 17. JVET MEETING; 20200107 - 20200117; BRUSSELS; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 18 March 2020 (2020-03-18), XP030285393
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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