激光技术2024，Vol.48Issue(2)：196-203,8.DOI:10.7510/jgjs.issn.1001-3806.2024.02.008
单目标旋转摄影方法标定图像全站仪相机
Camera calibration of image total station by single-target rotatry photography
摘要
Abstract
In order to achieve high-precision camera calibration of the image total station telescope camera and a wide-angle camera,a camera calibration model for the image total station in rotary photography mode was derived using a single target rotary photography method,and the correlation analysis of model parameters was performed.Aiming at the parameter coupling problem,a double-face observation method was proposed for parameter decoupling.The feasibility of the single target rotary photography method was experimentally verified,and high-precision calibration results of the image total station telescope camera and the wide-angle camera were obtained.The results show that the camera parameters obtained from calibration can be used for image measurement at different photographic distances,with an average reprojection error of 1.0 pixel at the calibration points of the telescope camera,and the corresponding image angular resolution is 2.0".The average reprojection error at the calibration point during fixed focus photography with a telescope camera is 0.15 pixel,and the corresponding image angular resolution is 0.3".The average reprojection error at the calibration point of a wide-angle camera is 0.6 pixel,and the corresponding image angular resolution is 13.3".This research has certain reference significance for improving the image measurement accuracy of the image total station and expanding its related applications.关键词
成像系统/相机标定/旋转摄影/图像全站仪/双盘观测Key words
imaging systems/camera calibration/rotary photography/image total station/double-face observation分类
天文与地球科学引用本文复制引用
刘雄龙,骆亚波,徐卓揆..单目标旋转摄影方法标定图像全站仪相机[J].激光技术,2024,48(2):196-203,8.基金项目
国家自然科学基金资助项目(42074013 （）
42274055) （）
