Graph matching for the registration of persistent scatterers to optical oblique imagery

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Schack, L.; Soergel, U.; Heipke, C.: Graph matching for the registration of persistent scatterers to optical oblique imagery. In: XXIII ISPRS Congress, Commission VII 3 (2016), Nr. 7, S. 195-202. DOI:

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Sum total of downloads: 192

Matching Persistent Scatterers (PS) to airborne optical imagery is one possibility to augment applications and deepen the understanding of SAR processing and products. While recently this data registration task was done with PS and optical nadir images the alternatively available optical oblique imagery is mostly neglected. Yet, the sensing geometry of oblique images is very similar in terms of viewing direction with respect to SAR.We exploit the additional information coming with these optical sensors to assign individual PS to single parts of buildings. The key idea is to incorporate topology information which is derived by grouping regularly aligned PS at facades and use it together with a geometry based measure in order to establish a consistent and meaningful matching result. We formulate this task as an optimization problem and derive a graph matching based algorithm with guaranteed convergence in order to solve it. Two exemplary case studies show the plausibility of the presented approach.
License of this version: CC BY 3.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

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downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 134 69.79%
2 image of flag of United States United States 25 13.02%
3 image of flag of China China 13 6.77%
4 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 4 2.08%
5 image of flag of Canada Canada 4 2.08%
6 image of flag of Taiwan Taiwan 2 1.04%
7 image of flag of Nepal Nepal 2 1.04%
8 image of flag of No geo information available No geo information available 1 0.52%
9 image of flag of Hungary Hungary 1 0.52%
10 image of flag of Brazil Brazil 1 0.52%
    other countries 5 2.60%

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