Title:
TIME-LAPSE PHOTOGRAPHY METHOD AND DEVICE, AND TIME-LAPSE VIDEO GENERATION METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/109897
Kind Code:
A1
Abstract:
Disclosed is a time-lapse photography method and device, and a time-lapse video generation method and device. The time-lapse photography method is applied to a photographing device. The method comprises: acquire multiple images by means of time lapse photography; for each image of the multiple images, generating multiple bracketed exposure images that are smooth; on the basis of the generated multiple bracketed exposure images corresponding to each image, obtaining multiple synthetic images corresponding to the multiple images by means of multi-exposure fusion; and synthesizing a time-lapse video according to the multiple synthetic images. In the present invention, an exposure value of each image in the multiple bracketed exposure images is smooth, thus the exposure values of two temporally adjacent synthetic images obtained by multi-exposure fusion also have a smooth effect, such that the time-lapse video generated on the basis of the multiple synthetic images does not flicker.
Inventors:
GUO HAOMING (CN)
LI JING (CN)
LI GUANG (CN)
ZHU CHUANJIE (CN)
LI JING (CN)
LI GUANG (CN)
ZHU CHUANJIE (CN)
Application Number:
PCT/CN2020/131657
Publication Date:
June 02, 2022
Filing Date:
November 26, 2020
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
H04N5/225; H04N5/235; H04N5/232
Foreign References:
| CN105657243A | 2016-06-08 | |||
| CN110636227A | 2019-12-31 | |||
| CN110868544A | 2020-03-06 | |||
| CN105472236A | 2016-04-06 | |||
| CN110249622A | 2019-09-17 | |||
| CN105323527A | 2016-02-10 | |||
| CN108432222A | 2018-08-21 | |||
| JP2017041736A | 2017-02-23 | |||
| US20090153699A1 | 2009-06-18 |
Attorney, Agent or Firm:
INTELIGHT IP LAW FIRM (CN)
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