Ortho updating by aerial triangulation based on existing ortho-photos and DEM

Yong Zhang; Huaxiang Ding; Liming Tang

doi:10.1117/12.832811

30 October 2009 Ortho updating by aerial triangulation based on existing ortho-photos and DEM

Yong Zhang, Huaxiang Ding, Liming Tang

Proceedings Volume 7496, MIPPR 2009: Pattern Recognition and Computer Vision; 74962A (2009) https://doi.org/10.1117/12.832811
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

A new ortho updating method by means of the aerial triangulation which Ground Control Points (GCPs) are auto matched from the existing ortho photos and DEM has been introduced in the paper. In this new method, a two steps automatching arithmetic have been used: the one is used in auto matching between the adjacent aerial photos in order to auto transferring tie points of the block; the other is used to matching the tie points with the existing ortho photos by the aid of DEM, if the matching succeed, the ground coordinates of the tie points could be obtained and then it could be used as a GCP in the aerial triangulation. Therefore, the ortho updating method presented in the paper could not only extract tie points, but also could extract enormous GCPs to calculate the Exterior Orientation parameters (EOP) of the aerial images with high accuracy and high reliability.

Citation Download Citation

Yong Zhang, Huaxiang Ding, and Liming Tang "Ortho updating by aerial triangulation based on existing ortho-photos and DEM", Proc. SPIE 7496, MIPPR 2009: Pattern Recognition and Computer Vision, 74962A (30 October 2009); https://doi.org/10.1117/12.832811

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