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

Shengzhe Chen*, Tian Lan, Yinchao Zhang, G. Ni

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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.

Original languageEnglish
Title of host publication2009 International Conference on Optical Instruments and Technology - Optoelectronic Imaging and Process Technology, OIT 2009
DOIs
Publication statusPublished - 2009
Event2009 International Conference on Optical Instruments and Technology, OIT 2009 - Shanghai, China
Duration: 19 Oct 200921 Oct 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7513
ISSN (Print)0277-786X

Conference

Conference2009 International Conference on Optical Instruments and Technology, OIT 2009
Country/TerritoryChina
CityShanghai
Period19/10/0921/10/09

Keywords

  • Airborne lidar
  • Dopplerlet transform
  • Error analysis
  • Error of coordinate conversion
  • Systematic error model

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