A fast 3D scanning laser radar is designed and calibrated. A set of mechanical equipment driven by a step motor is designed to rotate the scanning plane of a 2D laser range finder to realize 3D scanning. A micro-controller system is embedded for the scanning control and synchronization with the host computer. Measurement data are acquired by a self-developed high-speed data transmission board. Besides the inherent measurement error of the 2D laser range finder, the error of the resulting 3D LADAR system is mainly caused by two reasons: 1) the unknown offset between the axis of the pitching motion and the actual origin of the 2D laser range finder; 2) the initial attitude error. Based on the system measurement model, a least sum of squared error method is adopted to calibrate the system. The experimental results show that the resulting system has high scanning speed, high data accuracy and therefore is a cost effective means to acquire high quality 3D data
No takes yet. Share an insight, caveat, or question.
Xiang et al. (2006) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: