A Method Based on Two Constraints for Camera Calibration Interior Parameters
In the digital photogrammetry system, camera calibration is an essential part and its accuracy directly affects system accuracy. Because non-metric digital camera interior parameters are the stationary in the measurement process, the camera interior parameters should be accurately calibrated in the laboratory. Considering the lack of general DLT algorithm, we adopt nonlinear model of the camera based on distortion. And two additional constraints are used to accurately calibrate the parameters of the camera. The experimental results are analyzed and compared with the V-STARS system. The results of interior parameters calibration are less than 1 pixel. Test results meet the requirements of industrial digital photogrammetry.
Close-range programmetry Interior parameters calibration Distortion error Scale consistency Orthogonality
Du Yefei Dong Mingli Wang Jun Sun Peng
School of Photoelectric Information and Telecommunication,Beijing Information Science and Technology University, Beijing 100192, China
国际会议
湘潭
英文
181-186
2011-07-19（万方平台首次上网日期，不代表论文的发表时间）