Title:
METHODS AND SYSTEMS FOR VIDEO COMPRESSION
Document Type and Number:
WIPO Patent Application WO/2023/050072
Kind Code:
A1
Abstract:
Methods and systems for video processing are provided. In some embodiments, the method includes receiving a current picture of a video; and determining a group of pictures associated with the current picture. The group of pictures includes a first key picture at a first time prior to the current picture and a second key picture at a second time later than the current picture. The method includes generating first and second reference pictures based on the first and second key pictures. Based on the first and second reference pictures bi-directional predictive pictures in the group of pictures can be determined. A motion estimation process based on the current picture and the bi-directional predictive pictures is then performed to generate motion information of the current picture.
Inventors:
JUNG CHEOLKON (CN)
QIN QIPU (CN)
QIN QIPU (CN)
Application Number:
PCT/CN2021/121381
Publication Date:
April 06, 2023
Filing Date:
September 28, 2021
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04N19/50
Foreign References:
| US20100296579A1 | 2010-11-25 | |||
| US20060256866A1 | 2006-11-16 | |||
| US20090285300A1 | 2009-11-19 | |||
| CN112771850A | 2021-05-07 | |||
| CN1943244A | 2007-04-04 | |||
| CN104704833A | 2015-06-10 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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