Title:
FOCUSING METHOD AND DEVICE FOR IMAGE ACQUISITION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/042581
Kind Code:
A1
Abstract:
Disclosed are a focusing method and device for an image acquisition apparatus. By acquiring an actual distance between the point of interest of a target object and an image acquisition apparatus, wherein the image acquisition apparatus is used for photographing the target object, and according to the actual distance between the point of interest of the target object and the image acquisition apparatus, adjusting the focusing position of the image acquisition apparatus, the present invention enables the range of depth of field of the image acquisition apparatus to be changed, thereby enabling the target object to be located within the range of depth of field of the image acquisition apparatus so as to acquire a clear target image, and improving the accuracy of acquiring the characteristic information of the target object.
Inventors:
FU YANG (CN)
WANG YUNFEI (CN)
HUANG TONGBING (CN)
WANG YUNFEI (CN)
HUANG TONGBING (CN)
Application Number:
PCT/CN2019/077312
Publication Date:
March 05, 2020
Filing Date:
March 07, 2019
Export Citation:
Assignee:
BEIJING 7INVENSUN TECH CO LTD (CN)
International Classes:
H04N5/232
Foreign References:
| CN108833795A | 2018-11-16 | |||
| CN105704380A | 2016-06-22 | |||
| CN105704380A | 2016-06-22 | |||
| CN105744163A | 2016-07-06 | |||
| CN107920209A | 2018-04-17 | |||
| CN107580176A | 2018-01-12 | |||
| JP2018013527A | 2018-01-25 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
Download PDF:
Previous Patent: PERSONNEL GROUPING METHOD AND DEVICE, ELECTRONIC DEVICE, AND STORAGE MEDIUM
Next Patent: DNA DATA STORAGE METHOD AND DEVICE
Next Patent: DNA DATA STORAGE METHOD AND DEVICE