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Proceedings Paper

Classification of fecal contamination on leafy greens by hyperspectral imaging
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Paper Abstract

This paper reported the development of hyperspectral fluorescence imaging system using ultraviolet-A excitation (320-400 nm) for detection of bovine fecal contaminants on the abaxial and adaxial surfaces of romaine lettuce and baby spinach leaves. Six spots of fecal contamination were applied to each of 40 lettuce and 40 spinach leaves. In this study, the wavebands at 666 nm and 680 nm were selected by the correlation analysis. The two-band ratio, 666 nm / 680 nm, of fluorescence intensity was used to differentiate the contaminated spots from uncontaminated leaf area. The proposed method could accurately detect all of the contaminated spots.

Paper Details

Date Published: 27 April 2010
PDF: 8 pages
Proc. SPIE 7676, Sensing for Agriculture and Food Quality and Safety II, 76760F (27 April 2010); doi: 10.1117/12.851069
Show Author Affiliations
Chun-Chieh Yang, USDA Agricultural Research Service (United States)
Won Jun, USDA Agricultural Research Service (United States)
Moon S. Kim, USDA Agricultural Research Service (United States)
Kaunglin Chao, USDA Agricultural Research Service (United States)
Sukwon Kang, Rural Development Administration (Korea, Republic of)
Diane E. Chan, USDA Agricultural Research Service (United States)
Alan Lefcourt, USDA Agricultural Research Service (United States)


Published in SPIE Proceedings Vol. 7676:
Sensing for Agriculture and Food Quality and Safety II
Moon S. Kim; Shu-I Tu; Kaunglin Chao, Editor(s)

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