Acta Geodaetica et Cartographica Sinica >

2016 , Vol. 45 >Issue 1: 30 - 35

DOI: https://doi.org/10.11947/j.AGCS.2016.20140676

Variance Component Estimation in the Seamless Affine Transformation Model

  • LI Bofeng
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  • College of Surveying and Geo-informatics, Tongji University, Shanghai 200092, China

Received date: 2014-12-22

  Revised date: 2015-08-30

  Online published: 2016-01-28

Supported by

The National Natural Science Foundation of China(Nos. 41374031;41574023);Open Research Fund of the State Key Laboratory of Geoinformation Engineering (No. SKLGIE2013-M-2-2);The China Special Fund for Surveying, Mapping and Geoinformation Research in the Public Interest (No. HY14122136)

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Abstract

With the seamless affine transformation as an instance, the variance component estimation (VCE) theory is studied in the seamless datum transformation. The VCE formula of the seamless transformation model is derived. The results from the simulation experiments show that the VCE can correctly recover the objective variance components of coordinates in two datums. As a result, the accuracy of seamless transformation can be improved.

Key words： seamless datum transformation; affine transformation; variance component estimation

Cite this article

LI Bofeng . Variance Component Estimation in the Seamless Affine Transformation Model[J]. Acta Geodaetica et Cartographica Sinica, 2016 , 45(1) : 30 -35 . DOI: 10.11947/j.AGCS.2016.20140676

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