Title:
AUTOMATIC FOCUSING METHOD AND APPARATUS FOR LENS, AND ELECTRONIC DEVICE AND COMPUTER-READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/072030
Kind Code:
A1
Abstract:
The present application relates to the technical field of computer vision. Disclosed are an automatic focusing method for a lens, an automatic focusing apparatus for a lens, and an electronic device and a computer-readable storage medium. The automatic focusing method for a lens comprises: acquiring depth information of each feature point in a scene within a target field-of-view range on the basis of a first monocular image, a second monocular image, and measurement data of all inertial measurement units (IMU) corresponding to the first monocular image and the second monocular image; acquiring the current scene depth according to the depth information of the feature points; determining, according to a preset mapping relationship between a motor current value and a scene depth, a motor current value corresponding to the current scene depth; and controlling, according to the motor current value corresponding to the current scene depth, a lens to move to a target position for focusing.
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Inventors:
PAN CHAO (CN)
Application Number:
PCT/CN2022/127249
Publication Date:
May 04, 2023
Filing Date:
October 25, 2022
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H04N5/222; H04N23/67
Domestic Patent References:
| WO2021035704A1 | 2021-03-04 |
Foreign References:
| CN111158107A | 2020-05-15 | |||
| CN111213364A | 2020-05-29 | |||
| CN110913134A | 2020-03-24 | |||
| CN110336951A | 2019-10-15 | |||
| CN105891812A | 2016-08-24 |
Attorney, Agent or Firm:
TEE&HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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