Publications

Arranged Chronologically, then alphabetically by first author. Newest publications first

2013

Haff, R.P., Pearson, T.C., Jackson, E.S. 2013. One dimensional Linescan x-ray detection of pits in fresh cherries. American Journal of Agricultural Science and Technology. 1:18-26. [link to ARS listing][link to free article]

Haff, R.P., Saranwong, S., Thanapase, W., Janhiran, A., Kasemsumran, S., Kawano, S. 2013. Automatic image analysis and spot classification for detection of fruit fly infestation in hyperspectral images of mangoes. Postharvest Biology and Technology. 86:23-28. [link to ARS listing][link to free article]

Kim, J.H., Campbell, B.C., Chan, K.L., Mahoney, N.E., Haff, R.P. 2013. Synergism of antifungal activity between mitochondrial respiration inhibitors and kojic acid. Molecules. 18:1564-1581. [link to ARS listing][link to free article]

Kim, J.H., Haff, R.P., Faria, N.G., Martins, M.L., Chan, K.L., Campbell, B.C. 2013. Targeting the mitochondrial respiratory chain of Cryptococcus through antifungal chemosensitization: a model for control of non-fermentative pathogens. Molecules. 18:8873-8894 DOI:10.3390/molecules 18088873. [link to ARS listing][link to free article]

Moscetti, R., Haff, R.P., Sayes, W., Monarca, D., Cecchini, M., Massintini, R. 2013. Detection of flaws in hazelnuts using VIS/NIR spectroscopy. Journal of Food Engineering. 118:1-7. [link to ARS listing][link to free article]

Saranwong, S., Ikehata, A., Noguchi, G., Park, S., Sashida, K., Okura, T., Haff, R.P., Kawano, S. 2013. Development of a low-cost NIR instrument for minced meat analysis: Part 1 - Spectrophotometer and sample presentations. American Journal of Agricultural Science and Technology. 2:61-68. [link to ARS listing][link to free article]

Toyofuku, N., Haff, R. P., & Pearson, T. C. (2013). Advances in Automated Nut Sorting. In L.J.Harris (Ed.), Improving the Safety and Quality of Nuts (pp. 230-244). Cambridge: Woodhead Publishing Limited. [link to ARS listing][link to book (not free)]

2012

Haff, R.P., Saranwong, S., Kawano, S. 2011. Methods for correcting morphological-based deficiencies in hyperspectral images of round objects. Journal of Near Infrared Spectroscopy. 19:431-441. [link to ARS listing] [link to abstract and purchase article]

Haff, R.P., and Young, R. 2012. Technical Note: A Redesigned DFA Moisture Meter. Applied Engineering in Agriculture. 28(2). [link to ARS listing][link to free article]

Haff, R.P., Young, R. 2012. Modernization of the DFA Moisture Meter. Applied Engineering in Agriculture. 28(2):221-223. [link to ARS listing]

Toyofuku, N. & Haff, R. P. (2012). Computer vision for foreign body detection and removal in the food industry. In D.-W.Sun (Ed.), Computer Vision Technology in the Food and Beverage Industries (pp. 181-205). Sawston, Cambridge, UK: Woodhead Publishing Ltd. [link to ARS listing][link to book chapter (not free)]

2011

Haff, R.P., Saranwong, S., and Kawano, S. 2011. Methods for correcting morphological-based deficiencies in hyperspectral images of round objects. Near Infrared Reflectance International Conference Proceedings. [link to ARS listing]

Haff, R.P., Slaughter, D.C., and Jackson, E.S. 2011. X-ray based stem detection in an automated tomato weeding system. Applied Engineering in Agriculture. 27(5) 803-810. [link to free article]

Saranwong, S., Haff, R.P., Thanapase, W., Janhiran, A., Kasemsumran, S., Kawano, S. 2011. Feasibility study of utilizing simplified near infrared imaging for detecting fruit fly larvae in intact fruit. Near Infrared Spectroscopy Journal. 19:55-60. [link to ARS listing] [link to abstract and purchase article]

2010

Haff, R.P., Pearson, T.C. 2010. Building Computer Free Sorting Devices Based on Reflection of Visible and NIR Wavelengths. Near Infrared Reflectance International Conference Proceedings. [link to ARS listing]

Haff, R.P., Pearson, T.C., Toyofuku, N. 2010. Sorting Of In-Shell Pistachio Nuts From Kernals Using Color Imaging. Applied Engineering in Agriculture.26(4):633-638. [link to ARS listing] [link to DOI]

Haff, R.P., Quinones, B., Swimley, M.S., Toyofuku, N. 2010. Automatic image analysis and spot classification for detection of pathogenic Escherichia coli on glass slide DNA microarrays. Computers and Electronics in Agriculture. 71(2):163-169. [link to ARS listing][link to abstract]

Haff, R.P., Saranwong, S., Thanapase, W., Toyofuku, N., Kasemsunran, S., Kawano, S. 2010. Detection of Mango Infested with Fruit Fly Eggs and Larvae by Infrared Imaging and Discriminant Analysis. United States-Japan Cooperative Program in Natural Resources. [link to ARS listing]

Saranwong, S., Haff, R.P., Ikehata, A., Kawano, S. 2010. Label Authentication of Minced Meat by Automated Near Infrared Spectroscopy. United States-Japan Cooperative Program in Natural Resources. [link to ARS listing]

2009

Haff, R.P., Slaughter, D.C. 2009. Automatic Weed Control System For Transplanted Processing Tomatoes Using X-ray Stem Sensing. UJNR Food & Agricultural Panel Proceedings. [link to ARS listing]

Haff, R.P., Tsuta, M. 2009. Detection of pits in fresh cherries. UJNR Food & Agricultural Panel Proceedings. [link to ARS listing]

Pan, Z., Atungulu, G.G., Wei, L., Haff, R.P. 2009. Development of Impact Acoustic Detection and Density Separation Methods for Production of High Quality Processed Beans. Journal of Food Engineering. 97(3):292-300. [link to ARS listing]

Toyofuku, N., Schatzki, T.F. 2009. Calculation of contaminant distribution in tree and ground nuts. World Mycotoxin Journal.2:(3):285-294. [link to ARS listing]

Toyofuku, N., Schatzki, T.F., Ong, M.S. 2009. Distribution of Aflatoxin in Non-Irrigated Peanuts. World Mycotoxin Journal. 2(1):71-75. [link to ARS listing]

 

2008

Haff, R.P., Toyofuku, N. 2008. X-ray detection of defects and contaminants in the food industry. Sensing and Instrumentation for Food Quality and Safety. 2(4). pp. 262-273. [DOI: 10.1007/s11694-008-9059-8] [link to abstract]

Haff, R.P., Jackson, E.S. 2008. Low Cost Real-Time Sorting of in Shell Pistachio Nuts from Kernels. Applied Engineering in Agriculture. 24(4):487-490. [link to full article-free]

2007

Haff, R.P. 2007. High speed real time removal of undesirable product from food processing lines. UJNR Food & Agricultural Panel Proceedings, 36th Annual Meeting, Tsukuba, Ibaraki, Japan, October 21-25, 2007. [link to ARS listing]

Haff, R.P. 2007. Obtaining flat x-ray images from round objects. ASABE Annual International Meeting (Proceedings/Symposium). [link to ARS listing] [link to abstract]

Haff, R.P., Pearson, T.C. 2007. An Automatic Algorithm for detection of Infestations in X-ray Images of Agricultural Products. Sensing and Instrumentation for Food Quality and Safety. 1(3):143-150. [DOI: 10.1007/s11694-007-9018-9] [link to abstract]

Haff, R.P., Pearson, T.C. 2007. Separating in shell pistachio nuts from kernels using impact vibration analysis. Sensing and Instrumentation for Food Quality and Safety. 1(4):188-192. [DOI: 10.1007/s11694-007-9020-2 ][link to abstract]

Jackson, E.S. and Haff, R.P. 2007. Low cost real time sorting of in-shell pistachio nuts from kernels. ASABE Annual International Meeting. (Proceedings/Symposium). [link to ARS listing]

Toyofuku, N. and Schatzki, T.F. 2007. Image Feature Based Detection of Agricultural Quarantine Materials in X-ray Images. Journal of Air Transport Management. 13: 348-354. [link to full article-free]

Haff, R.P. 2007. Real time correction of distortion in x-ray images of round objects and its application to agricultural commodities. Applied Engineering in Agriculture. 51(1):341-349 [link to ARS listing]

Pearson, T.C., Cetin, E.A., Tewfik, A.H., Haff, R.P. 2007. Feasibility of impact-acoustic emissions for detection of damaged wheat kernels. Digital Signal Processing. 17(3):617-633. [link to full article-free]

2006

Haff, R.P., Pearson, T.C. 2006. Spectral Band Selection for Optical Sorting of Pistachio Nut Defects. Transactions of the ASABE. 49(4): 1105-1113. [link to ARS listing] [link to abstract]

Haff, R.P., Slaughter, D.C., Sarig, Y. and Kader, A. X-ray assessment of translucency in pineapple. Journal of Food Processing and Preservation. 30(5): 527-533. 2006. [link to ARS listing] [link to full article]

Jackson, E.S., Haff, R.P. 2006. X-ray detection of and sorting of olives damaged by fruit fly. Transactions of the ASABE. ASABE Paper #06-6062. [link to ARS listing]

Jackson, E.S. and Haff, R.P. X-ray detection and sorting of olives damaged by fruit fly. Presented at the 2006 Annual International Meeting, Paper Number 06-6062. American Society of Agricultural and Biological Engineers, 2950 Niles Road, St. Joseph, MI 49085. 2006. [link to ARS listing] [link to DOI]

Jackson, E., Haff, R., and Pearson, T. Method and apparatus for non-destructive detection of pits and seed fragments in fruit. United States Patent No. 7,024,942. 2006. [link to Patent Office record [link to patent PDF] ]

Spanjer, M. C., Scholten, J. M., Kastrup, S., J?rissen, U., Schatzki, T. F. and Toyofuku, N. Sample Comminution for Mycotoxin Analysis: Dry Milling or Slurry Mixing? Food Additives and Contaminants, 23(1), 73-83. 2006. [link to ARS listing] [link to PubMed entry][link to full article-free]

2005

Haff, R. P., Jackson, E. S. and Pearson, T. C. Non-Destructive Detection of Pits in Dried Plums. Applied Engineering in Agriculture.Vol. 21(6): 1021-1026. 2005. [link to ARS listing] [link to DOI]

Hansen, J.D., Haff, R.P., Schlaman, D.W. andYee, W.L. Potential Postharvest Use of Radiography to Detect Internal Pests in Deciduous Tree Fruits. Journal of Entomological Science. 40(3):255-262. 2005. [link to ARS listing] [DOI: 10.18474/0749-8004-40.3.255]

2004

Haff, R.P. and Slaughter, D.C. Real-Time X-Ray Inspection of Wheat for Infestation by the Granary Weevil, Sitophilus Granarius (L.). Transactions of the Asae. 47(2):531-537. 2004. [link to ARS listing] [link to DOI]

Jackson, E.S. and Haff, R.P. Sensor for detection of pits in dried plums. Presented at the 2004 Annual International Meeting, Paper Number 04-6123. American Society of Agricultural Engineers, 2950 Niles Road, St. Joseph, MI 49085. 2004. [link to ARS listing] [link to DOI]

Schatzki, T. and Toyofuku, N. Sampling And Sample Preparation Of Pistachios. Book Chapter in Meeting The Mycotoxin Menace. Ed : Barug, D., Van Egmond, H.P., Lopez-Garcia, R., Van Osenbruggen, W.A., Visconti, A. Netherlands: Wageningen Academic Publishers. Pp.. 221-235. 2004. [link to ARS listing] [link to DOI]

2003

Campbell, B,C., Molyneux, R.J. and Schatzki, T.F., Current research on reducing pre- and post harvest aflatoxin contamination of U.S. almond, pistachio and walnut, J. Toxicol. -Toxin Reviews, 22, 225-266. 2003. [link to ARS listing] [link to article-free]

Haff, R.P., Slaughter, D.C. and Kader, A. Non-Invasive Assessment of Translucency in Pineapple Using X-Ray Imaging. Asae Annual International Meeting, July 27-30, 2003, Las Vegas. 2003 Cdrom. 2003. [link to ARS listing] [link to article]

Schatzki, T.F. and Toyofuku, N. Sample Preparation and Pre-Sampling of Pistachios. Journal of Agriculture and Food Chemistry, 51(20):6068-6072. 2003. [link to ARS listing] [DOI: 10.1021/jf0301955]

Schatzki, T.F. and Toyofuku, N. Subsampling Theory and Comparison of US and European Preparation Methods for Aflatoxing Determination in Pistachios. California Pistachio Industry Annual Report, crop year 2002-2003, 127. 2003. [link to full article-free]

2002

Haff, R.P. andSlaughter, D.C. X-Ray Inspection of Wheat for Granary Weevils Real-Time Digital Imaging Vs Film. Asae Annual International MEETING. ASAE Paper #02-6093. 2002. [link to ARS listing] [link to DOI]

Schatzki, T.F. and Haddon, W.F., Rapid, non-destructive selection of peanuts for high aflatoxin content by soaking and tandem mass spectrometry, J. Agric. Food Chem. 50, 2002. 2002. [link to ARS listing] [DOI: 10.1021/jf010848m]

Schatzki, T.F. and Toyofuku, N. Subsample Preparation of Pistachios. Proceedings of the 6th International Fruit, Nut and Vegetable Production Engineering Symposium. Potsdam, Germany, Sept 11th-14th, 2001. 171-176. 2002. [link to ARS listing]

2001

Casasent, D., Talukter, A., Schatzki, T.F., and Keagy, P.K. Detection and segmentation of items in x-ray imagery. Trans. ASAE, 44(2), 337-345, 2001. [link to DOI]

Kim S. and Schatzki, T.F. Detection of pinholes in almonds by x-ray imaging, Trans. ASAE, 44(4),997-1003, 2001. [link to abstract] [DOI: 10.13031/2013.6232]

Schatzki, T.F. and Haddon, W.F. Development of a real time sorter aflatoxin in peanuts. SPIE Proc. 4206 Environmental and Industrial Sensing, 235-247, 2001.

Schatzki, T.F. and Ong, M.S. Dependence of aflatoxin in almonds on the amount of insect damage. J. Agric. Food Chem. 49, 4513-4519, 2001. [DOI: 10.1021/jf010585w]

Toyofuku, N., Klein, S.A. and Carney, T. First Plus Third Harmonic Summation in Noise. Journal of Vision, 1(3), abstract no. 445. 2001. [link to abstract]

2000

Haff, R. and Toyofuku, N. An economical method for X-ray inspection of wheat. ASAE Paper No. 00-3069. ASAE. St. Joseph, MI. 2000. [link to journal]

Kim S. and Schatzki, T.F. , Apple watercore sorting system using x-ray imagery: I. Algorithm development. Trans. ASAE 43, 1695-1702, 2000. [link to DOI]

Pearson, T. and Toyofuku, N. Automated Sorting of Pistachio Nuts with Closed Shell. Applied Engineering in Agriculture, 16 (1): 91-94. 2000. [link to DOI]

Schatzki, T.F. Distribution of aflatoxin in pistachios. 7. Sequential sampling. J. Agric. Food Chem. 48, 4365-4368, 2000. [DOI: 10.1021/jf000342o]

Schatzki, T.F. and Ong, M.S. Distribution of aflatoxin in almonds. 2. Distribution in almonds with heavy insect damage. J. Agric. Food Chem. 48, 489-492, 2000. [DOI: 10.1021/jf990369b]

Schatzki, T.F. and Toyofuku, N. Subsampling in Pistachios. Aflatoxin Elimination Workshop Proceedings: Crop Management and Handling, Insect Control and Fungal Relationships, Session 2, 66-67. 2000. [link to Aflatoxin Elimination Workshop Proceedings] [link to full article-free]

1999

Schatzki, T.F. and De Koe, W.J., Distribution of aflatoxin in pistachios. 6. Buyer's and seller's risk. J. Agric. Food Chem. 47, 3771-3775, 1999. [DOI: 10.1021/jf981089j]

Toyofuku, N. and Schatzki, T.F. Method for Batch Testing Red Tart Cherries for the Presence of Pit Fragments. Journal of Food Processing and Preservation, 23 (5), 435-441. 1999. [link to full article-free]

1998

Casasent, D., Sipe, M.A., Schatzki, T.F., Keagy, P.M. and Le, L.-C. Neural net classification of x-ray pistachio nut data. Lebensm. Wiss. u.-Techn. 31, 122-127, 1998. [link to DOI]

Pearson, T.C. and Schatzki, T.F. Machine vision system for automated detection of aflatoxin contaminated pistachios. J. Agric Food Chem. 46, 2248-2252, 1998. [DOI: 10.1021/jf980218t]

Schatzki, T.F. Distribution of aflatoxin in pistachios. 5. Sampling and testing U.S. pistachios for aflatoxin. J. Agric. Food Chem. 46:2-4, 1998. [DOI: 10.1021/jf970872t]

Talukter, A., Casasent, D., Lee, H.W., Keagy, P.M. and Schatzki, T.F. A new feature extraction method for classification of agricultural products from x-ray images. SPIE Proc. 3543 Precision Agriculture and Biological Quality, 53-64, 1998. [link to full article-free]

Talukter, A., Casasent, D., Lee, H.W., Keagy, P.M. and Schatzki, T.F., Modified binary watershed transform for segmentation of agricultural products. SPIE Proc. 3543 Precision Agriculture and Biological Quality, 53-64, 1998. [link to full article-free]

1997

Casasent, D., Talukter, A., Keagy, P. and Schatzki, T.F. Detection and segmentation of items in x-ray imagery. Proc. SPIE 2907-21 and 3073-11, 1997.

Casasent, D., Talukder, A., Lee H-W, Keagy, P.M. and Schatzki, T.F. Segmentation and classification for x-ray agricultural product inspection. Proc. 5th Intern. Symp. Fruit, Nut and Vegetable Process Eng., Davis, CA. Sept. 1997.

Haff, R.P. and Schatzki, T.F. Image restoration of line-scanned x-ray images. Optical Engineering, 36(12), 3288-3296. 1997. [link to abstract and purchase article]

Keagy, P.M., Schatzki, T.F., Le., L, Casasent, D. and Weber, D. Expanded image data base of pistachio x-ray images and classification by conventional methods. SPIE Proc. 2907: 196-204, 1997.

Pearson, T. and Schatzki, T.F. Machine vision system for automated detection of aflatoxin contaminated pistachios. Proc. 5th Intern. Symp. Fruit, Nut and Vegetable Process Eng., Davis, CA. Sept. 1997.

Schatzki, T. F., Haff, R. P., Young, R., Can, I., Le, L.-C. and Toyofuku, N. Defect Detection in Apples by Means of X-ray Imaging. Transactions of the ASAE, 40 (5), 1407-1415. 1997. [link to DOI]

Schatzki, T.F. and Pan, J. Distribution of aflatoxin in pistachios. 4. Distribution in small pistachios. J. Agric. Food Chem. 45: 205-207, 1997. [DOI: 10.1021/jf960438b]

1996

Keagy, P.M., Parvin, B., and Schatzki, T.F. Machine recognition of naval orange worm damage in x-ray images of pistachio nuts. Lebensm.-Wiss. u. Technol. 29: 140-145, 1996. [DOI: 10.1006/fstl.1996.0019]

Schatzki, T.F. Distribution of aflatoxin in almonds. J. Agric. Food Chem. 44: 3595-3597, 1996. [DOI: 10.1021/jf960120j]

Schatzki, T.F., The distribution of aflatoxin in pistachios. Western Pistachio News: 11-12, Winter, 1996.

Schatzki, T. F., Haff, R. P., Young, R., Can, I., Le, L.-C. and Toyofuku, N. Defect Detection in Apples by Means of X-ray Imaging. SPIE Proceedings, 2907. 1996. [link to abstract] [link to abstract and purchase article]

Schatzki, T.F. and Pan, J.L. Distribution of aflatoxin in pistachios. 3. Distribution in pistachio process streams. J. Agric. Food Chem. 44: 1076-1084, 2468, 1996. [DOI: 10.1021/jf950358s] [link to full article-free]

Schatzki, T. F., Young, R., Haff, R. P., Eye, J. and Wright, G. Visual Detection of Particulates in x-ray images of Processed Meat Products. Optical Engineering, 35(8) 2286-2291. 1996. [link to abstract and purchase article]

1995

Schatzki, T.F. Distribution of aflatoxin in pistachios. 2. Distribution in freshly harvested pistachios. J. Agric. Food Chem. 43: 1566-1569, 1995. [DOI: 10.1021/jf00054a028]

Schatzki, T.F. Distribution of aflatoxin in pistachios. 1. Lot distributions. J. Agric. Food Chem. 43: 1561-1565, 1995. [DOI: 10.1021/jf00054a027]

Schatzki, T. F., Young, R., Haff, R. P., Eye, J. and Wright, G. Visual Detection of Particulates in Processed Meat Products by X-ray. SPIE, 2345, 348-353. 1994. [link to abstract and purchase article]

1994

Haff, R.P. and Schatzki, T.F. New Method for Batch Testing of Red Tart Cherries for the Presence of Pits. Journal of Food Processing and Preservation, 18, 23-30. 1994. [link to abstract] [link to DOI]

Tollner, E.W., Affelt H.A.,Jr., Brown, G.K., Chen, P., Galili, N., Haugh, C.G., Notea, A., Sarig, Y., Schatzki, T., Smulivich, I. and Zion, B. Nondestructive detection of interior voids, foreign inclusions and pests. in Non-destructuive Technologies for Quality Evaluation of Fruits and Vegetables. ASAE, St. Joseph MI 1994.

1993

Keagy, P.M. and Schatzki, T.F. Machine recognition of weevil damage in wheat radiograms. Cer. Chem. 70(6): 696-700, 1993 [link to article-free]

Lagunas-Solar., M.C. and Haff, R.P. Theoretical and experimental excitation functions for proton induced nuclear reactions on z=10 to z=82 target nuclides. Radiochimica Acta, 60, 57-67. 1993. [link to abstract]

Schatzki, T.F., Wilson, E.K., Kitto, G.B., Behrens, P. and Heller, I. Determination of hidden Sitophilus granarius (Coleoptera Curculionidae) in wheat by myosin ELISA. J. Econ. Entom. 86(5): 1584-1589, 1993. [link to abstract]

1991

Keagy, P. M. and Schatzki, T. F. Effect of image resolution on insect detection in wheat radiographs. Cer. Chem. 68: 339-343. 1991. [link to abstract] [link to full article-free]

Schatzki, T. F. and Keagy, P. M. Effect of image size and contrast on the recognition of insects. SPIE Proc. 1379: 182-188, 1991. [link to abstract]

Schatzki, T. F. Effectiveness of screening methods for contraband recovery. J. Econ. Entom. 84: 489-495. 1991 [link to abstract]

previous to 1990

Schatzki, T. F. and Wong, R. Y. Detection of submilligram inclusions of heavy metals in processed foods. Food Techn. (11): 72-76. 1989.

Schatzki, T. F. and Young, R. Xray imaging of baggage for agricultural contraband. J. Transportation Eng. 114: 657-671. 1988. [link to abstract]

Schatzki, T. F. and Fine, T. A. Analysis of radiograms of wheat kernels for quality control. Cer. Chem. 65: 233-239. 1988. [link to abstract] [link to full article-free]

Schatzki, T. F. Detection of agricultural contraband in baggage. U.S. Patent 4,539,648. 1985.

Schatzki, T. F., Young, R. and Duryea, R. Detection of agricultural items by image processing. In "Agricultural Electronics - 1983 and Beyond." Proc. of the Nat. Conf. on Agric. Electronics Applications, Amer. Soc. of Agric. Eng., St. Joseph, MI, pp 631-639. 1984.

Schatzki, T. F., Grossman, A. and Young, R. Recognition of agricultural objects by shape. IEEE Trans. Patt. Anal. Mach. Intel. 5:645-653. 1983. [link to abstract]

Schatzki, T. F., Witt, S. C., Wilkins, D. E. and Lenker, D. H. Characterization of growing lettuce from density contours. II. Statistics. Pattern Recognition, 13(5), pp. 341-346. 1981. [link to abstract]

Schatzki, T. F., Witt, S. C., Wilkins, D. E. and Lenker, D. H. Characterization of growing lettuce from density contours. I. Head selection. Pattern Recognition, 13(5), pp. 333-340. 1981. [link to abstract]

Keagy, P. M., Connor, M. A., and Schatzki, T. F. Regression analysis of thiamin and color changes in enriched cookies using factorial design. Cereal Chem. 56, pp. 567-573. 1979. [link to article-free]