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Patent Searching and Data


Title:
FOCUS FOLLOWING METHOD AND APPARATUS, AND PHOTOGRAPHIC DEVICE AND COMPUTER-READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/147703
Kind Code:
A1
Abstract:
Provided are a focus following method and apparatus, and a photographic device and a computer-readable storage medium. In the solution of the embodiments of the present application, a first video frame is acquired by using an image sensor, and a region of interest can be automatically acquired from the first video frame; a second video frame carrying depth information is acquired by using a depth sensor; the first video frame and the second video frame include the same picture content, and therefore depth information of the region of interest can be determined by using the depth information of the second video frame; and in this way, the depth information of the region of interest represents depth information of a photographed target, and therefore, a focus position can be found accurately, such that a photographic device can realize automatic focus following when filming a video. By means of the solution, the consistency of video filming can be ensured, without the need for additional operations to be performed by a user, and a focus position can also be accurately found.

Inventors:
TENG WENMENG (CN)
HU TAO (CN)
HAN SHOUQIAN (CN)
Application Number:
PCT/CN2021/070581
Publication Date:
July 14, 2022
Filing Date:
January 07, 2021
Export Citation:
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Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G03B13/36
Foreign References:
CN111226154A2020-06-02
CN109696667A2019-04-30
CN105264436A2016-01-20
CN110381261A2019-10-25
US20170374354A12017-12-28
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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