Title :
Using graph matching to compare VHR satellite images with GIS data
Author :
Gautama, Sidharta ; Borghgraef, Alexander
Author_Institution :
Dept. of Telecommun. & Inf. Process., Ghent Univ., Gent, Belgium
Abstract :
We propose a graph matching methodology based on relaxation labeling to compare road junction in VHR satellite images with GIS road data. Use is made of the spatial layout between points based on the relative angle. The technique finds correspondences between set of points taking into account error on the spatial location and spurious or missing points. An analysis is given to determine the weights of the algorithm based on the expected graph error.
Keywords :
geographic information systems; geophysical signal processing; image matching; remote sensing by radar; spaceborne radar; GIS data; Markov random fields; VHR satellite images; airborne sensor; change detection; correspondence problem; geographic information system; global spatial transformation model; graph error; graph matching methodology; relaxation labeling; road detection; road junction; Algorithm design and analysis; Artificial satellites; Change detection algorithms; Geographic Information Systems; Image databases; Information processing; Labeling; Roads; Robustness; Spatial databases;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International
Print_ISBN :
0-7803-7929-2
DOI :
10.1109/IGARSS.2003.1293714
