Title:
VIDEO IMAGE STABILIZATION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/214001
Kind Code:
A1
Abstract:
Embodiments of the present disclosure relate to a video image stabilization method and apparatus, an electronic device, and a storage medium. The method comprises: determining a movement trajectory of shooting positions of a video by means of performing feature point tracking between different image frames in the video; respectively performing smoothing on shooting positions of different image frames in the movement trajectory on the basis of smoothing radii corresponding to the different image frames in the video, and obtaining a smoothed trajectory, wherein the smoothing radii corresponding to the different image frames in the video are respectively determined on the basis of the number of feature points used for tracking of different image frames in the video; and performing shape transformation on the video on the basis of a difference between the smoothed trajectory and the movement trajectory, so as to obtain a video that has undergone image stabilization. An embodiment of the present disclosure achieves an effect of adaptively adjusting smoothing radii corresponding to image frames during video image stabilization according to the number of feature points on image frames in a video to be processed, a video image stabilization effect is optimized, and video quality is effectively improved.
Inventors:
YANG SONG (CN)
LIU YULONG (CN)
LIU YULONG (CN)
Application Number:
PCT/CN2022/085382
Publication Date:
October 13, 2022
Filing Date:
April 06, 2022
Export Citation:
Assignee:
BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD (CN)
International Classes:
H04N5/232; G06T5/00; G06T7/33
Domestic Patent References:
| WO2014092193A1 | 2014-06-19 |
Foreign References:
| CN108564554A | 2018-09-21 | |||
| CN108596858A | 2018-09-28 | |||
| CN110047091A | 2019-07-23 | |||
| CN110139031A | 2019-08-16 | |||
| US20130120600A1 | 2013-05-16 |
Attorney, Agent or Firm:
ZHIFAN & PARTNERS (CN)
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