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Agricultural Research Service United States Department of Agriculture
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Brian Bowker
Kevin Chao
Stephen Delwiche
David Ingram
Won Jun
Moon Kim
Alan Lefcourt
Martha Liu
Yongliang Liu
Patricia Millner
Xiangwu Nou
Jitu Patel
Manan Sharma
Morse Solomon
Chun-Chieh Yang
 

Alan Marc Lefcourt
Food Safety Laboratory
Biomedical Engineer

Phone: (301) 504-8450
Fax: (301) 504-9466
Room 7
10300 BALTIMORE AVENUE
BLDG 303 BARC-EAST
BELTSVILLE, MD, 20705-2350

Projects
DEVELOPMENT OF NEW AND IMPROVED SYSTEMS TO ENHANCE FOOD SAFETY INSPECTION AND SANITATION OF FOOD PROCESSING
Appropriated (D)
  Accession Number: 410502

Publications
DEVELOPMENT OF TECHNOLOGY FOR ORIENTING APPLES FOR AUTOMATED ON-LINE INSPECTION - (Peer Reviewed Journal) - (15-Jul-08)
Use of concave mirrors and a single camera to acquire full surface information of randomly oriented apples - (Abstract)
Lefcourt, A.M., Reese, D., Kim, M.S., Lo, Y. 2008. Use of concave mirrors and a single camera to acquire full surface information of randomly oriented apples. ASABE Annual International Meeting, June 29 - July 2, 2008, Providence, RI.
Novel Technologies for Processing Apples - (Abstract)
Lefcourt, A.M., Kim, M.S., Narayanan, P., Reese, D., Tasch, U., Rostamian, R., Chao, K., Lo, Y. 2008. Novel Technologies for Processing Apples [abstract]. United Fresh Produce Assocation Meeting, May 4-8, 2008, Las Vegas, Nevada.
MULTISPECTRAL LINE-SCAN IMAGING SYSTEM FOR SIMULTANEOUS FLUORESCENCE AND REFLECTANCE MEASUREMENTS OF APPLES: MULTITASK APPLE INSPECTION SYSTEM - (Peer Reviewed Journal)
Kim, M.S., Lee, K., Chao, K., Lefcourt, A.M., Jun, W., Chan, D.E. 2008. Multispectral line-scan imaging system for simultaneous fluorescence and reflectance measurements of apples: multitask apple inspection system. Sensing and Instrumentation for Food Quality and Safety. 2(2):123-129.
ONLINE MULTITASKING LINE-SCAN IMAGING TECHNIQUES FOR SIMULTANEOUS SAFETY AND QUALITY EVALUATION OF APPLES - (Peer Reviewed Journal)
Kim, M.S., Lee, K., Chao, K., Lefcourt, A.M., Cho, B., Jun, W. 2008. Online multitasking line-scan imaging techniques for simultaneous safety and quality evaluation of apples. Modern Physics Letter B. 22(11):147-952.
RAPID NONDESTRUCTIVE SPECTRAL IMAGING TECHNOLOGIES FOR ONLINE FOOD SAFETY INSPECTION - (Abstract)
Kim, M.S., Chao, K., Lefcourt, A.M. 2008. Rapid nondestructive spectral imaging technologies for online food safety inspection. Proceedings of Pittcon Meeting, March 1-4, 2008, New Orleans, LA.
MULTISPECTRAL IMAGING TECHNOLOGIES FOR RAPID-ONLINE SAFETY INSPECTION OF FOODS - (Abstract)
Kim, M.S., Chao, K., Lefcourt, A.M. 2008. Multispectral imaging technologies for rapid-online safety inspection of foods. LabAutomation Conference, 01/30/2008, Palm Springs, California.
ALGORITHMS FOR PARAMETERIZATION OF DYNAMICS OF INERTIA-BASED APPLE ORIENTATION - (Peer Reviewed Journal)
Lefcourt, A.M., Narayanan, P., Tasch, U., Rostamian, R., Kim, M.S., Chen, Y.R. 2008. Algorithms for parameterization of dynamics of inertia-based apple orientation. Applied Engineering in Agriculture. 24(1):123-129.
WHOLE SURFACE IMAGE RECONSTRUCTION FOR MACHINE VISION INSPECTION OF FRUIT - (Proceedings/Symposium)
Reese, D.Y., Lefcourt, A.M., Kim, M.S., Lo, M., Narayanan, P. 2007. Whole surface image reconstruction for machine vision inspection of fruit. Proceedings of SPIE Conference, Boston, MA 09/12/2007. Vol. 6761.
WHOLE SURFACE IMAGE RECONSTRUCTION FOR MACHINE VISION INSPECTION OF APPLES - (Abstract)
Reese, D.Y., Lefcourt, A.M., Kim, M.S., Lo, M., Narayanan, P. 2007. Whole surface image reconstruction for machine vision inspection of apples [abstract]. International Food Technology (IFT) Expo 2007.
HYPERSPECTRAL REFLECTANCE AND FLUORESCENCE LINE-SCAN IMAGING FOR ONLINE QUALITY AND SAFETY INSPECTION OF APPLES - (Peer Reviewed Journal)
Kim, M.S., Chen, Y.R., Cho, B., Chao, K., Lefcourt, A.M., Chan, D.E. 2007. Hyperspectral reflectance and fluorescence line-scan imaging for online quality and safety inspection of apples. Sensing and Instrumentation for Food Quality and Safety. 1(3):151-159.
TESTS OF THE ABILITY TO ORIENT APPLES USING THEIR INERTIAL PROPERTIES - (Proceedings/Symposium)
Narayanan, P., Lefcourt, A.M., Tasch, U., Rostamian, R., Kim, M.S. 2007. Tests of the ability to orient apples using their inertial properties. ASABE Annual International Meeting. Paper #07646.
TECHNIQUES FOR IMAGING THE WHOLE SURFACE OF FRUITS - (Abstract)
Lefcourt, A.M., Kim, M.S., Narayanan, P., Reese, D.Y., Tasch, U., Lo, M., Rostamian, R. 2007. Techniques for imaging the whole surface of fruits [abstract]. International Fresh Cut Produce Association Annual Conference, Palms Springs, CA, April 25-27, 2008.
DEVELOPMENT OF SIMPLE ALGORITHMS FOR THE DETECTION OF FECAL CONTAMINANTS ON APPLES FROM VISIBLE / NEAR INFRAED HYPERSPECTRAL REFLECTANCE IMAGING - (Peer Reviewed Journal)
Liu, Y., Chen, Y.R., Kim, M.S., Chan, D.E., Lefcourt, A. M. 2007. Development of simple algorithms for the detection of fecal contaminants on apples from visible/near infrared hyperspectral reflectance imaging. Jrnl. of Food Eng. 81:412-418.
HYPERSPECTRAL REFLECTANCE AND FLUORESCENCE LINE-SCAN IMAGING SYSTEM FOR ONLINE DETECTION OF FECAL CONTAMINATION ON APPLES - (Proceedings/Symposium)
Kim, M.S., Cho, B., Yang, C., Chao, K., Lefcourt, A.M., Chen, Y.R. 2006. Hyperspectral reflectance and fluorescence line-scan imaging system for online detection of fecal contamination on apples. Proceedings of SPIE. 6831:1-8.
DEVELOPMENT OF VIDEO TECHNOLOGY TO ANALYZE DYNAMICS OF INERTIA-BASED APPLE ORIENTATION - (Proceedings/Symposium)
Lefcourt, A.M., Narayanan, P., Rostamian, R., Tasch, U., Kim, M.S., Chen, Y.R. 2006. Development of video technology to analyze dynamics of inertia-based apple orientation. Proceedings of SPIE. 6381:Q1-Q10.
HYPERSPECTRAL FLUORESCENCE IMAGING FOR ON-LINE SAFETY INSPECTION OF APPLES - (Abstract)
Kim, M.S., Chen, Y.R., Cho, B., Yang, C., Lefcourt, A.M., Chao, K. 2006. Hyperspectral fluorescence imaging for on-line safety inspection of apples. Abstract of International Horticultural Congress, August 13-19, 2006, Seol, Korea.
USE OF IMAGING AND SPECTROSCOPY FOR NON-DESTRUCTIVE FOOD SAFETY INSPECTION IN REAL TIME - (Abstract)
Lefcourt, A.M. 2006. Use of imaging and spectroscopy for non-destructive food safety inspection in real time [abstract]. Food Safety International Conference, August 22 - 25, 2006, Guadalajara, Mexico.
THEORETICAL ASPECTS OF ORIENTING FRUIT USING STABILITY PROPERTIES DURING ROTATION - (Abstract)
Narayanan, P., Lefcourt, A.M., Tasch, U., Rostamian, R., Grinblat, A., Kim, M.S. 2006. Theoretical aspects of orienting fruit using stability properties during rotation [abstract]. ASABE Annual International Meeting. Paper No. 061144.
FLUORESCENCE CHARACTERISTICS OF WHOLESOME AND UNWHOLESOME CHICKEN CARCASSES - (Peer Reviewed Journal)
Kim, M.S., Chen, Y.R., Kang, S., Kim, I., Lefcourt, A.M., Kim, M. 2006. Fluorescence characteristics of wholesome and unwholesome chicken carcasses. Journal of Applied Spectroscopy. 60(10):1210-1216.
SYSTEMATIC APPROACH FOR USING HYPERSPECTRAL IMAGING DATA TO DEVELOP MULTISPECTRAL IMAGINING SYSTEMS: DETECTION OF FECES ON APPLES - (Peer Reviewed Journal)
Lefcourt, A.M., Kim, M.S., Chen, Y.R., Kang, S. 2006. Systematic approach for using hyperspectral imaging data to develop multispectral imagining systems: detection of feces on apples. Computers and Electronics in Agriculture. 54:22-35.
DETECTION OF CONTAMINANTS ON POULTRY PROCESSING PLANT EQUIPMENT USING LASER-INDUCED FLUORESCENCE IMAGING - (Peer Reviewed Journal)
Kim, M.S., Cho, B., Chao, K., Lefcourt, A.M., Liu, Y., Chen, Y.R. 2006. Detection of contaminants on poultry processing plant equipment using laser-induced fluorescence imaging. Key Engineering Materials. 321-323:1157-1162.
TECHNIQUE FOR NORMALIZING INTENSITY HISTOGRAMS OF IMAGES WHEN THE APPROXIMATE SIZE OF THE TARGET IS KNOWN: DETECTION OF FECES ON APPLES USING FLUORESCENCE IMAGING - (Peer Reviewed Journal)
Lefcourt, A.M. and Kim, M.S. 2006. Technique for normalizing intensity histograms of images when the approximate size of the target is known: Detection of feces on apples using fluorescence imaging. Computers and Electonics in Agriculture. 50:135-147.
FECAL CONTAMINATION, DETECTION, AND CLASSIFICATION ON CANTALOUPES USING HYPERSPECTRAL FLUORESCENCE IMAGERY - (Peer Reviewed Journal)
Vargas, A.M., Kim, M.S., Tao, Y., Lefcourt, A.M., Chen, Y.R. 2005. Fecal Contamination, detection, and classification on cantaloupes using hyperspectral fluorescence imaging. J. of Food Science. 70(8):E471-E476.
MULTISPECTRAL LASER INDUCED FLUORESCENCE IMAGING TECHNIQUES FOR NONDESTRUCTIVE ASSESSMENT OF POSTHARVEST FOOD QUALITY AND SAFETY - (Peer Reviewed Journal)
Kim, M.S., Lefcourt, A.M., Chen, Y.R. 2005. Multispectral laser induced flourescence imaging techniques for nondestructive assessment of postharvest food quality and safety. Acta Horticulture. 682:1379-1386.
A TRANSPORTABLE FLUORESCENCE IMAGING SYSTEM FOR DETECTING FECAL CONTAMINANTS - (Peer Reviewed Journal)
Lefcourt, A.M., Kim, M.S., Chen, Y.R. 2005. A transportable flourescence imaging system for detection of fecal contaminants. Computer Electronics in Agriculture. 48:63-74.
DETECTION OF FECAL CONTAMINATION ON APPLES USING NANOSECOND-SCALE TIME-RESOLVED IMAGING OF LASER INDUCED FLUORESCENCE - (Peer Reviewed Journal)
Lefcourt, A.M., Kim, M.S., Chen, Y.R. 2005. Detection of fecal contamination on apples using nonosecond-scale time-resolved imaging of laser induced fluorescence. Applied Optics. 44(7):1160-1170.
NS-SCALE TIME-RESOLVED LASER INDUCED FLUORESCENCE IMAGING FOR DETECTION OF FECAL CONTAMINATION ON APPLES - (Proceedings/Symposium)
Kim, M.S., Lefcourt, A.M., Chen, Y.R.. 2004. NS-scale time-resolved laser induced flourescence imaging for detection of fecal contamination on apples. In: Chen, Y.R., Tu, Shu-I., editors. Nondestructive Sensing for Food Safety, Quality, and Natual Resources. The International Society for Optical Engineering Conference, October 27-28, 2004, Philadelphia, Pennsylvania. p. 190-197.
AUTOMATED DETECTION OF FECAL CONTAMINATION OF APPLES BASED ON MULTISPECTRAL FLUORESCENCE IMAGE FUSION - (Peer Reviewed Journal)
Kim, M.S., Lefcourt, A.M., Chen, Y.R., Tao, Y. 2005. Automated detection of fecal contamination of apples based on multispectral flourescence image fusion. Journal of Food Engineering. 71(1):85-91.
SAFETY INSPECTION OF CANTALOUPES AND STRAWBERRIES USING MULTISPECTRAL FLUORESCENCE IMAGING TECHNIQUES - (Proceedings/Symposium) - (31-Aug-04)
A NOVEL INTEGRATED PCA AND FLD METHOD ON HYPERSPECTRAL IMAGING FEATURE EXTRACTION FOR CUCUMBER CHILLING DAMAGE INSPECTION - (Peer Reviewed Journal)
Cheng, X., Chen, Y.R., Tao, Y., Wang, C.Y., Kim, M.S., Lefcourt, A.M. 2004. A novel integrated PCA and FLD method on hyperspectral imaging feature extraction method for cucumber chilling damage inspection. Transactions of ASAE. 47(04):1313-1320.
HYPERSPECTRAL AND MULTISPECTRAL LASER INDUCED FLUORESCENCE IMAGING TECHNIQUES FOR FOOD SAFETY INSPECTION - (Peer Reviewed Journal)
Kim, M.S., Lefcourt, A.M., Chen, Y.R., Kang, S. 2004. Hyperspectral and multispectral laser induced fluorescence imaging techniques for food safety inspection. Key Engineering Materials. Vols.270-273:PP.1055-1063.
PORTABLE MULTISPECTRAL FLUORESCENCE IMAGING SYSTEM FOR FOOD SAFETY APPLICATIONS - (Proceedings/Symposium)
Lefcourt, A.M., Kim, M.S., Chen, Y.R. 2003. Portable multispectral fluorescence imaging system for food safety applications. SPIE Proceedings entitled: Monitoring Food, Safety, Agriculture, and Plant Health. 5271:62-72.
MULTISPECTRAL FLUORESCENCE IMAGING TECHNIQUES FOR NONDESTRUCTIVE FOOD SAFETY INSPECTION - (Proceedings/Symposium)
Kim, M.S., Lefcourt, A.M., Chen, Y.R. 2003. Multispectral fluorescence techniques for non-destructive food safety inspection. SPIE Proceedings entitled: Monitoring Food, Safety, Agriculture, and Plant Health. 5271:62-72.
AUTOMATED DETECTION OF FECAL CONTAMINATION OF APPLES BY MULTISPECTRAL LASER-INDUCED FLUORESCENCE IMAGING - (Peer Reviewed Journal)
LEFCOURT, A.M., KIM, M.S., CHEN, Y.R. AUTOMATED DETECTION OF FECAL CONTAMINATION OF APPLES BY MULTISPECTRAL LASER-INDUCED FLUORESCENCE IMAGING. APPLIED OPTICS. 2003.
MULTISPECTRAL LASER-INDUCED FLUORESCENCE IMAGING SYSTEM FOR LARGE BIOLOGICAL SAMPLES - (Peer Reviewed Journal)
KIM, M.S., LEFCOURT, A.M., CHEN, Y.R. MULTISPECTRAL LASER-INDUCED FLUORESCENCE IMAGING SYSTEM FOR LARGE BIOLOGICAL SAMPLES. APPLIED OPTICS. 42(19):3927-3934. 2003.

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Last Modified: 10/05/2008
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