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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29770

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Development of Algorithms for the Study of the Image in Digital Form for Satellite Applications: Extraction of a Road Network and Its Nodes
In this paper we propose a novel methodology for extracting a road network and its nodes from satellite images of Algeria country. This developed technique is a progress of our previous research works. It is founded on the information theory and the mathematical morphology; the information theory and the mathematical morphology are combined together to extract and link the road segments to form a road network and its nodes. We therefore have to define objects as sets of pixels and to study the shape of these objects and the relations that exist between them. In this approach, geometric and radiometric features of roads are integrated by a cost function and a set of selected points of a crossing road. Its performances were tested on satellite images of Algeria country.
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[1] Z. Nougrara, A. Benyettou, and N.I. Bachari, “Methodology for road network extraction in satellite image, ’’ International Publication. Journal of Applied Sciences, 2006, 6(10), (ISSN 1812-5654), pp. 2185- 2192.
[2] Z. Nougrara, “Contribution à l’élaboration d’un système d’information du réseau routier à partir des images satellitaires,’’ Thèse de Doctorat en Sciences en informatique, Dept. Informatique, Université des Sciences et de la Technologie d’Oran d’Algérie, Décembre 2009.
[3] Z. Nougrara, A. Benyettou, A. Abdellaoui, and N.I. Bachari, “Developmennt of georeferenced database of an extracted road network and its nodes from satellite imagery over Algeria sites,’’ A.M.S.E Journal of Advances in Modelling Signal Processing and Pattern Recognition, 2011, vol. 54, Issue2.
[4] Z. Nougrara, A. Benyettou, A. Abdellaoui, and N.I. Bachari, “An approach for an extracted road network and its nodes from satellite imagery and a model of integration of obtained results in a geographical information system GIS,’’ International publication. Australian journal of basic and applied sciences, 2011, ISSN 1991-8178, 5(11): 1831-1837.
[5] Z. Nougrara, A. Benyettou, A. Abedellaoui, and N.I. Bachari, ‘‘Development of a georeferenced database of an extracted road network and its nodes from digital images,’’ International conference on computer electrical, and systems sciences, and engineering, WASET World Academy of Science, Engineering and Technology, Paris-France, 2011, issue 77, June 24-26.
[6] Z. Nougrara, A. Benyettou, A. Abdellaoui, and N.I. Bachari. ‘‘Towards an automation of a method of an extracted road network and its nodes from satellite images of Algeria sites,’’ International communication. International conference on computer graphics and image processing, WASET World Academy of Science Engineering and Technology, Paris (France), 2012, Issue 66, June 27-28.
[7] X. Lin, Z. Liu, J. Zhang, and J. Shen, “Combining multiple algorithms for road network tracking from multiple source remotely sensed imagery: a practical system and performance evaluation, ’’, Sensors 2009, 9, 1237-1258; doi:10.3390/S90201237, 2009.
[8] J. Hu, A. Razdau, J.C. Femiani, M. Cui, and P. Wonka, ‘‘ Road network extraction and intersection detection from aerial images by tracking road footprints’’, IEEE Transaction on Geosciences and Remote Sensing, vol. 45, no. 12, December 2007.
[9] D. Li, ‘‘Remotely sensed images and GIS data fusion for automatic change detection’’, International Journal of Image and Data Fusion, vol. 1, no. 1, march 2010, 99-108, 2010.
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