Volume 37 Issue 4
Apr.  2012
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LIU Bin, GONG Jianya, JIANG Wanshou, ZHU Xiaoyong. Improvement of the Iteration by Correcting Characteristic Value Based on Ridge Estimation and Its Application in RPC Calculating[J]. Geomatics and Information Science of Wuhan University, 2012, 37(4): 399-402.
Citation: LIU Bin, GONG Jianya, JIANG Wanshou, ZHU Xiaoyong. Improvement of the Iteration by Correcting Characteristic Value Based on Ridge Estimation and Its Application in RPC Calculating[J]. Geomatics and Information Science of Wuhan University, 2012, 37(4): 399-402.
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Improvement of the Iteration by Correcting Characteristic Value Based on Ridge Estimation and Its Application in RPC Calculating

  • 1 State Key Laboratory Information Engineering in Surveying,Mapping and Remote Sensing, Wuhan University,129 Luoyu Road,Wuhan 430079,China;2 Satellite Mapping Application Center,National Administration of Surveying,Mapping and Geoinformation, 28 West Lianhuachi Road,Haidian District,Beijing 100830,China

Funds: 国家自然科学基金创新研究群体资助项目(41021061);;国家863计划资助项目(2007AA120203)
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  • Received Date: January 11, 2012
  • Published Date: April 04, 2012
    Graphical Abstract
    • Abstract
  • As an effective method for solving the morbidity normal equation,Ridge estimation has been widely studied and applied in processing of the measurement data,but the method changes the equivalent relationship and the result is a biased estimate.The iteration by correcting characteristic value does not change the equivalent relationship,but there are few studies on the limitations and the application scope of the method.With comparing the Ridge estimation method and the Iteration by correcting characteristic value,and analysing the characteristics of two methods to guide the application,an improved iteration by correcting characteristic value using the ridge parameters was proposed in this paper.This method not only reduces the iterative times and advances efficiency,but also has the same precision with the originality method.
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