Title:
METHOD FOR CALIBRATING BRACKET OF 3D STRUCTURED LIGHT MODULE, APPARATUS, AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/007944
Kind Code:
A1
Abstract:
A method for calibrating a bracket of a 3D structured light module, an apparatus, and a device. Said method comprises: controlling a transmitter (220) to project infrared light to a calibration plate (120), and receiving an infrared image, the infrared image being obtained by photographing by means of an infrared receiving module (210), the calibration plate (120) onto which infrared light has been projected; acquiring the position of a preset mark point in the infrared image; calculating an offset between the position of the preset mark point and a set position of the preset mark point; and performing position adjustment of the infrared receiving module (210) and the transmitter (220) according to the offset.
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Inventors:
YAN WENJING (CN)
LI YANG (CN)
LI YANG (CN)
Application Number:
PCT/CN2019/105536
Publication Date:
January 21, 2021
Filing Date:
September 12, 2019
Export Citation:
Assignee:
NANCHANG O FILM BIO IDENTIFICATION TECH CO LTD (CN)
International Classes:
G01B11/25; G01B11/00
Foreign References:
| CN108225216A | 2018-06-29 | |||
| CN207854012U | 2018-09-11 | |||
| CN109443214A | 2019-03-08 | |||
| CN108683908A | 2018-10-19 | |||
| CN208834323U | 2019-05-07 | |||
| CN109544637A | 2019-03-29 | |||
| US20170085860A1 | 2017-03-23 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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