Title:
VIDEO MOTION ESTIMATION METHOD AND APPARATUS, DEVICE, COMPUTER-READABLE STORAGE MEDIUM AND COMPUTER PROGRAM PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/117076
Kind Code:
A1
Abstract:
A video motion estimation method and apparatus, a device, a computer-readable storage medium and a computer program product, the method comprising: acquiring a plurality of image frames in a video to be processed, and carrying out scene division on the plurality of image frames, so as to obtain a plurality of image frame sets, each image frame set comprising at least one image frame; extracting a contour feature and a color feature of a foreground object in each image frame in each image frame set; on the basis of the contour feature of the foreground object in each image frame set, determining a search range corresponding to each image frame set; determining an initial search point of each prediction frame in each image frame set; and on the basis of the initial search point of each prediction frame, a target block of a reference frame and the color features of the foreground objects, performing motion estimation in a search area corresponding to the search range in each prediction frame, so as to obtain a motion vector corresponding to the target block.
Inventors:
LI YUFENG (CN)
GUO WEI (CN)
GUO WEI (CN)
Application Number:
PCT/CN2021/135372
Publication Date:
June 09, 2022
Filing Date:
December 03, 2021
Export Citation:
Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
H04N19/51; H04N19/105; H04N19/139; H04N19/179
Foreign References:
| CN112203095A | 2021-01-08 | |||
| CN102075757A | 2011-05-25 | |||
| CN103796028A | 2014-05-14 | |||
| US20190045193A1 | 2019-02-07 | |||
| CN202011401743A | 2020-12-04 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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