Geoinformatics 2007, Cartographic theory and models : 25-27 May 2007, Nanjing, China. 2007. Bellingham, Wash.. SPIE - The International Society of Optical Engineering
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Optical and digital image processing : 7-9 April 2008, Strasbourg, France. pp.700021-1-700021-12, 2008. Bellingham, Wash.. Society of Photo-optical Instrumentation Engineers
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