Multivision oblique photogrammetry system calibration through the combination of 2D point and line control

Jun Wu; Zenglai Dong; Gang Xu

doi:10.1117/12.901522

23 November 2011 Multivision oblique photogrammetry system calibration through the combination of 2D point and line control

Jun Wu, Zenglai Dong, Gang Xu

Author Affiliations +

Proceedings Volume 8006, MIPPR 2011: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications; 800607 (2011) https://doi.org/10.1117/12.901522
Event: Seventh International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2011), 2011, Guilin, China

Abstract

This paper presents our initial research on calibrating developed Multi-vision Oblique Photogrammetry System (MOPS). First, 2D point control from so-called Radial Alignment Constrain (RAC) by Tsai's two-stage calibration is outlined and its potential issues to camera calibration accuracy are discussed as well. Second, we make well study on image radial distortion when principle point parameters are ignored and with perspective invariant of space line, one new radial distortion correctness algorithm is proposed based on 2D line control. Third, procedure of Tsai's two-stage calibration is modified to corporate with proposed radial distortion correctness algorithm and new steps to calibrate digital cameras are summarized in detail. Finally, calibration test was implemented on selected digital camera Nikon P5100 by means of 2D chessboard as reference object. The comparison of proposed approach with Tsai's two-stage calibration is also given in this paper and valuable conclusions are conducted as well.

Citation Download Citation

Jun Wu, Zenglai Dong, and Gang Xu "Multivision oblique photogrammetry system calibration through the combination of 2D point and line control", Proc. SPIE 8006, MIPPR 2011: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications, 800607 (23 November 2011); https://doi.org/10.1117/12.901522

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KEYWORDS

Calibration

Distortion

Cameras

Digital cameras

Photogrammetry

Imaging systems

Control systems

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