NDLI: Influence and Analysis of IMU Attitude Measurement Error on Laser Point Accuracy

Content Provider	IEEE Xplore Digital Library
Author	Han Yun Cheng Xin-wen Sun Hua Zhao Li-jian
Copyright Year	2010
Abstract	The emergence of airborne LIDAR system provides a new technical method for fast acquisition and processing of the spatial three-dimensional data. The limitations of traditional techniques are overcome by LIDRA, using of non-contact scanning data to obtain high-precision 3D data, it be able to work in all-weather, with a quickly scanning speed, strong real-time, all-digital processing and so on. The coordinates of laser pin-point can be abtained by calculating the spatial orientation vector of known points to the unknown point in LIDRA system. The composition of systems is very complex, so the laser point coordinates location will effected by system error and accidental error of the LIADR system. The status quo of airborne laser scanning was briefly introduced in this paper. On the basis of airborne laser scanning system positioning principle, the impact of the pitch angle, roll angle, yaw angle and synthetic attitude error of IMU on laser point positioning accuracy was detailedly analyzed. After simulated calculations using IMU practical measurement accuracy presently, some useful conclusions were obtained, which have certain guiding significance for the understanding of airborne laser positioning accuracy and practical application.
Starting Page	1196
Ending Page	1199
File Size	341137
Page Count	4
File Format	PDF
ISBN	9781424468805
e-ISBN	9781424468812
DOI	10.1109/iCECE.2010.298
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement errors Laser theory Accuracy Error analysis Positioning accuracy Measurement uncertainty Measurement by laser beam Position measurement Laser modes Airborne Laser Scanning altimetry Inertial Measurement Unit (IMU)
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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