Volume 33 Issue 1
Jan.  2008
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ZHANG Ka, SHENG Yehua, YE Chun, LIANG Cheng. Absolute Calibration and Precision Analysis for Vehicle-Borne 3D Data Acquiring System Integrated with GPS,INS and CCD-Camera[J]. Geomatics and Information Science of Wuhan University, 2008, 33(1): 55-59.
Citation: ZHANG Ka, SHENG Yehua, YE Chun, LIANG Cheng. Absolute Calibration and Precision Analysis for Vehicle-Borne 3D Data Acquiring System Integrated with GPS,INS and CCD-Camera[J]. Geomatics and Information Science of Wuhan University, 2008, 33(1): 55-59.
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Absolute Calibration and Precision Analysis for Vehicle-Borne 3D Data Acquiring System Integrated with GPS,INS and CCD-Camera

  • 1Key Laboratory of Virtual Geographic Environment,MOE,Nanjing Normal University,1 Wenyuan Road,Nanjing 210046,China

Funds: 国家自然科学基金资助项目(40671147)，江苏省重大基础研究基金资助项目(05KJA17001)，全国高校博士点专项基金资助项目(20060319004)
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  • Received Date: October 19, 2007
  • Revised Date: October 19, 2007
  • Published Date: January 04, 2008
    Graphical Abstract
    • Abstract
  • Direct positioning and data acquisition system,composed of global positioning system(GPS),inertial navigation system(INS),laser ranging technique and digital photogrammetry,is a fast data acquiring technique developed in recent years.And the vehicle-borne 3D data acquisition system based on this technique is paid attention by more and more people.The direct positioning equation,which can directly work out 3D coordinates of pixel is presented.Roderick matrix is used in absolute calibration of the system to work out shift and rotation parameters,indispensable for the equation,between camera and INS-carrier coordinates datums.Then formulas for errors of 3D coordinates and point location are deduced according to the error propagation law.The experimental results show that proposed calibration method has clear physical meaning,simple calculating process and high precision.
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