Modeling and tracing of errors caused by coordinate conversions with Dopplerlet transform analysis in airborne lidar system

Shengzhe Chen; Tian Lan; Yinchao Zhang; Guoqiang Ni

doi:10.1117/12.840021

24 November 2009 Modeling and tracing of errors caused by coordinate conversions with Dopplerlet transform analysis in airborne lidar system

Shengzhe Chen, Tian Lan, Yinchao Zhang, Guoqiang Ni

Author Affiliations +

Proceedings Volume 7513, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Process Technology; 751330 (2009) https://doi.org/10.1117/12.840021
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

The systematic errors caused by coordinate conversions in airborne lidar system under moving conditions belong to one of the main error sources to measurement accuracy. In order to reduce systematic errors and to attain high observation accuracy for three-dimensional imaging airborne lidar, the tracing of the systematic errors caused by coordinate conversions is realized. Besides, there has been substantial focus on both error analysis and development of error model for the airborne lidar system in this paper. On the basis of review of the coordinate conversion methods adopted in most airborne lidar systems, the Dopplerlet Transform analysis is applied to the systematic error mainly caused by coordinate conversions in airborne lidar for correction. And the effects on the observed results are evaluated. Finally, both the validity of the developed error model and the precision of the analytical method are verified.

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Shengzhe Chen, Tian Lan, Yinchao Zhang, and Guoqiang Ni "Modeling and tracing of errors caused by coordinate conversions with Dopplerlet transform analysis in airborne lidar system", Proc. SPIE 7513, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Process Technology, 751330 (24 November 2009); https://doi.org/10.1117/12.840021

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KEYWORDS

Error analysis

LIDAR

Doppler effect

Imaging systems

Systems modeling

3D modeling

Data modeling

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