Study of DEM Generation Method Based on Multi-Baseline Image Sequences in Alpine-Gorge Areas

Hao Li; Shu Chen; Bo Su; Biao Yang

doi:10.4028/www.scientific.net/AMM.239-240.530

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 239-240Study of DEM Generation Method Based on...

Study of DEM Generation Method Based on Multi-Baseline Image Sequences in Alpine-Gorge Areas

Abstract:

Due to the peculiar terrain of Alpine and Gorge Areas, traditional measuring method is difficult to adapt. We studied on a DEM generation method based on multi-baseline image sequences including an initial value estimate method of relative direction elements based on the perspective transformation and a matching method of image sequences based on virtual epipolar plane. The experiment proves that the convergence and accuracy of relative orientation can be effectively improved by estimating the initial elements with perspective transformation. In matching process, the matching points are transferred through virtual epipolar plane. So that, we can decreased calculation redundancy and obtain multi-overlap corresponding points rapidly and accurately.

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Periodical:

Applied Mechanics and Materials (Volumes 239-240)

Pages:

530-535

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.239-240.530

Citation:

Cite this paper

Online since:

December 2012

Authors:

Hao Li, Shu Chen, Bo Su, Biao Yang

Keywords:

Alpine-Gorge Areas, DEM, Multi-Baseline Image Sequences, Virtual Epipolar Plane

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