The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 26, 2021
Filed:
Jul. 29, 2019
Guangdong Oppo Mobile Telecommunications Corp., Ltd., Guangdong, CN;
Ziqing Guo, Dongguan, CN;
Haitao Zhou, Dongguan, CN;
Kamwing Au, Dongguan, CN;
Xiao Tan, Dongguan, CN;
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong, CN;
Abstract
A camera calibration method, a camera calibration apparatus (), an electronic device and a computer-readable storage medium are provided. The camera calibration method includes the following steps. At (), a target infrared image and a Red/Green/Blue (RGB) image obtained by capturing the same scene by an infrared camera and an RGB camera are acquired when the image definition is lower than a definition threshold. At (), feature points in the target infrared image are extracted to obtain a first feature point set, feature points in the RGB image are extracted to obtain a second feature point set, and the first feature point set and the second feature point set are subjected to matching. At (), a transformation relation between a coordinate system of the infrared camera and a coordinate system of the RGB camera is acquired according to the matched feature points.