Invention Grant
- Patent Title: Camera calibration plate, camera calibration method and device, and image acquisition system
-
Application No.: US16739476Application Date: 2020-01-10
-
Publication No.: US11461930B2Publication Date: 2022-10-04
- Inventor: Fuqiang Ma , Hongzhen Xue , Lili Chen , Hao Zhang , Gang Li , Minglei Chu
- Applicant: Beijing BOE Optoelectronics Technology Co., Ltd. , BOE Technology Group Co., Ltd.
- Applicant Address: CN Beijing; CN Beijing
- Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.,BOE Technology Group Co., Ltd.
- Current Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.,BOE Technology Group Co., Ltd.
- Current Assignee Address: CN Beijing; CN Beijing
- Agency: Myers Bigel, P.A.
- Priority: CN201910032212.0 20190114,CN201910060071.3 20190122
- Main IPC: H04N5/225
- IPC: H04N5/225 ; G06T7/80 ; H04N5/232 ; G06T5/00 ; G06T7/70

Abstract:
A camera calibration plate, a camera calibration method and device, and an image acquisition system are described. The camera calibration plate includes a planar plate body, and a plurality of groups of concentric circles on the planar plate body. The plurality of groups of concentric circles are same and include solid circle center points. The plurality of groups of concentric circles are distributed in an array.
Public/Granted literature
- US20200226789A1 CAMERA CALIBRATION PLATE, CAMERA CALIBRATION METHOD AND DEVICE, AND IMAGE ACQUISITION SYSTEM Public/Granted day:2020-07-16
Information query