Algorithm of geometry correction for airborne 3D scanning laser radar

Yuan Liu; Siying Chen; Yinchao Zhang; Guoqiang Ni

doi:10.1117/12.839639

23 November 2009 Algorithm of geometry correction for airborne 3D scanning laser radar

Yuan Liu, Siying Chen, Yinchao Zhang, Guoqiang Ni

Proceedings Volume 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications; 75081P (2009) https://doi.org/10.1117/12.839639
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

Airborne three-dimensional scanning laser radar is used for wholesale scanning exploration to the target realm, then three-dimensional model can be established and target features can be identified with the characteristics of echo signals. So it is used widely and have bright prospect in the modern military, scientific research, agriculture and industry. At present, most researchers are focus on higher precision, more reliability scanning system. As the scanning platform is fixed on the aircraft, the plane cannot keep horizontal for a long time, also impossibly for a long time fly in the route without deviation. Data acquisition and the subsequence calibration rely on different equipments. These equipments bring errors both in time and space. Accurate geometry correction can amend the errors created by the process of assembly. But for the errors caused by the plane during the flight, whole imaging process should be analyzed. Take the side-roll as an example; scanning direction is inclined, so that the scanning point deviates from the original place. New direction and coordinate is the aim to us. In this paper, errors caused by the side-roll, pitch, yaw and assembly are analyzed and the algorithm routine is designed.

Citation Download Citation

Yuan Liu, Siying Chen, Yinchao Zhang, and Guoqiang Ni "Algorithm of geometry correction for airborne 3D scanning laser radar", Proc. SPIE 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 75081P (23 November 2009); https://doi.org/10.1117/12.839639

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KEYWORDS

LIDAR

Global Positioning System

Satellite navigation systems

Receivers

3D scanning

Ranging

Clouds

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