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		<citationkey>CruvinelBalo:2000:MiScAg</citationkey>
		<author>Cruvinel, Paulo E.,</author>
		<author>Balogun, Fatai A.,</author>
		<title>Minitomography scanner for agriculture based on dual-energy Compton scattering</title>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 13 (SIBGRAPI)</conferencename>
		<year>2000</year>
		<editor>Carvalho, Paulo Cezar Pinto,</editor>
		<editor>Walter, Marcelo,</editor>
		<date>October</date>
		<publisheraddress>Los Alamitos</publisheraddress>
		<publisher>IEEE Computer Society</publisher>
		<conferencelocation>Gramado, RS, Brazil</conferencelocation>
		<keywords>agriculture, minitomography scanner, agriculture, dual-energy Compton scattering, tomographic instrumentation, soil aggregate sizes, regression coefficient, bulk density, water content, minimum detectable density, soil samples, imaging technique, computerized tomography.</keywords>
		<abstract>The paper presents an approach in tomographic instrumentation for agriculture based on dual-energy Compton scattering. The results show a linear relationship, independent of soil aggregate sizes with regression coefficient of better than 0.95 for bulk density and 0.70 for water content. A minimum detectable density of 0.13 g/cm/sup 3/ and 0.10 cm/sup 3//cm/sup 3/ were observed with better than 2% and 5% precision respectively. Compton scatter images of soil samples illustrating the efficacy of this imaging technique are presented.</abstract>
		<pages>193-199</pages>
		<notes>The conference was held in Gramado, RS, Brazil, from October 17 to 20.</notes>
		<organization>SBC - Brazilian Computer Society</organization>
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