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United States Department of Agriculture

Agricultural Research Service

Ronald P. Haff (Ron)

Agricultural Engineer


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Use of benzo anologs to enhance antimycotic activity of kresoxim methyl for control of aflatoxigenic fungal pathogens - (Peer Reviewed Journal)
Kim, J.H., Mahoney, N.E., Chan, K.L., Campbell, B.C., Haff, R.P., Stanker, L.H. 2014. Use of benzo anologs to enhance antimycotic activity of kresoxim methyl for control of aflatoxigenic fungal pathogens. Frontiers in Microbiology. DOI: 10.3389/fmicb.2014.00087.
Detection of mold-damaged chestnuts by near-infrared spectroscopy - (Peer Reviewed Journal)
Moscetti, R., Monarca, D., Cecchini, M., Haff, R.P., Contini, M., Massantini, R. 2014. Detection of mold-damaged chestnuts by near-infrared spectroscopy. Postharvest Biology and Technology. 93:83-90.
Automated detection of insect-damaged sunflower seeds by X-ray imaging - (Peer Reviewed Journal)
Pearson, T.C., Prasifka, J.R., Brabec, D.L., Haff, R.P., Hulke, B.S. 2014. Automated detection of insect-damaged sunflower seeds by X-ray imaging. Applied Engineering in Agriculture. 30(1):125-131.
A multispectral sorting device for isolating single wheat kernels with high protein content - (Peer Reviewed Journal)
Haff, R.P., Pearson, T.C., Maghirang, E.B. 2013. A multispectral sorting device for isolating single wheat kernels with high protein content. Journal of Food Measurement and Characterization. 7(4):149-157.
Nondestructive detection of infested chestnuts based on NIR spectroscopy - (Peer Reviewed Journal)
Moscetti, R., Haff, R.P., Saranwong, S., Monarca, D., Cecchini, M., Massantini, R. 2014. Nondestructive detection of infested chestnuts based on NIR spectroscopy. Postharvest Biology and Technology. 87:88-94.
Targeting the mitochondrial respiratory chain of Cryptococcus through antifungal chemosensitization: a model for control of non-fermentative pathogens Reprint Icon - (Peer Reviewed Journal)
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.
Automatic image analysis and spot classification for detection of fruit fly infestation in hyperspectral images of mangoes - (Peer Reviewed Journal)
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.
Detection of flaws in hazelnuts using VIS/NIR spectroscopy - (Peer Reviewed Journal)
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.
Development of a low-cost NIR instrument for minced meat analysis: Part 1 - Spectrophotometer and sample presentations - (Peer Reviewed Journal)
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.
One dimensional Linescan x-ray detection of pits in fresh cherries - (Peer Reviewed Journal)
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.
Synergism of antifungal activity between mitochondrial respiration inhibitors and kojic acid Reprint Icon - (Peer Reviewed Journal)
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.
A Redesigned DFA Moisture Meter - (Peer Reviewed Journal)
Haff, R.P., Young, R. 2012. A Redesigned DFA Moisture Meter. Applied Engineering in Agriculture. 28(2):221-223.
Modernization of the DFA Moisture Meter - (Peer Reviewed Journal)
Haff, R.P., Young, R. 2012. Modernization of the DFA Moisture Meter. Applied Engineering in Agriculture. 28(2):221-223.
Methods for correcting morphological-based deficiencies in hyperspectral images of round objects - (Peer Reviewed Journal)
Haff, R.P., Saranwong, S., Kawano, S. 2012. Methods for correcting morphological-based deficiencies in hyperspectral images of round objects. Journal of Near Infrared Spectroscopy. 19:431-441.
Advances in automated nut sorting - (Book / Chapter)
Toyofuku, N., Haff, R.P., Pearson, T.C. 2013. Advances in automated nut sorting. In: Sun, D. editor. Improving the Safety and Quality of Nuts. Philadelphia, PA. Woodhead Publishing. p. 230-244.
Methods for correcting morphological-based deficiencies in hyperspectral images of round objects - (Proceedings) - (07-Jun-11)
Computer vision for foreign body detection and removal in the food industry - (Book / Chapter)
Toyofuku, N., Haff, R.P. 2012. Computer vision for foreign body detection and removal in the food industry. In: Sun, D. editors. Computer Vision Technology in the Food and Beverage Industries. Philadelphia, PA: Woodhead Publishing. p. 181-205.
X-ray based stem detection in an automated tomato weeding system - (Peer Reviewed Journal)
Haff, R.P., Slaughter, D.C., Jackson, E.S. 2011. X-ray based stem detection in an automated tomato weeding system. Applied Engineering in Agriculture. 27(5):803-810.
Feasibility study of utilizing simplified near infrared imaging for detecting fruit fly larvae in intact fruit - (Peer Reviewed Journal)
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.
Detection of Mango Infested with Fruit Fly Eggs and Larvae by Infrared Imaging and Discriminant Analysis - (Proceedings)
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.
Label Authentication of Minced Meat by Automated Near Infrared Spectroscopy - (Proceedings)
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.
Building Computer Free Sorting Devices Based on Reflection of Visible and NIR Wavelengths - (Proceedings) - (02-Jun-10)
Sorting of in-shell Pistachio nuts from kernels using color imaging - (Peer Reviewed Journal)
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. Available:http://asae.frymulti.com/toc_journals.asp?volume=26&issue=4&conf=aeaj&orgconf=aeaj2010
Automatic image analysis and spot classification for detection of pathogenic Escherichia coli on glass slide DNA microarrays - (Peer Reviewed Journal)
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.
Development of Impact Acoustic Detection and Density Separation Methods for Production of High Quality Processed Beans - (Peer Reviewed Journal)
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.
Automatic Weed Control System For Transplanted Processing Tomatoes Using X-ray Stem Sensing - (Proceedings)
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.
Real-time methods for non-destructive detection of pits in fresh cherries - (Proceedings) - (28-Apr-09)
X-ray based stem detection in an automatic tomato weeding system - (Proceedings) - (27-Apr-09)
Detection of pits in fresh cherries - (Proceedings)
Haff, R.P., Tsuta, M. 2009. Detection of pits in fresh cherries. UJNR Food & Agricultural Panel Proceedings.
X-ray detection of defects and contaminants in the food industry - (Review Article)
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. 2:262-273.
Low Cost Real-Time Sorting of in Shell Pistachio Nuts from Kernels - (Peer Reviewed Journal)
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.
High Speed Real Time Removal of Undesirable Product from Food Processing Lines - (Proceedings)
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, Vol. , pp
Separating in shell pistachio nuts from kernels using impact vibration analysis - (Peer Reviewed Journal)
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
Real Time Correction of Distortion in X-Ray Images of Round Objects and Its Application to Agricultural Commodities - (Peer Reviewed Journal)
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
An Automatic Algorithm for Detection of Inclusions in X-ray Images of Agricultural Products - (Peer Reviewed Journal)
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
Obtaining flat x-ray images from round objects - (Proceedings)
Haff, R.P. 2007. Obtaining flat x-ray images from round objects. ASABE Annual International Meeting. Vol: pp .
Low cost real time sorting of in-shell pistachio nuts from kernels - (Proceedings)
Jackson, E.S., Haff, R.P. 2007. Low cost real time sorting of in-shell pistachio nuts from kernels. ASABE Annual International Meeting.
Spectral Band Selection for Optical Sorting of Pistachio Nut Defects - (Peer Reviewed Journal)
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
X-Ray Detection of and Sorting of Olives Damaged by Fruit Fly - (Proceedings)
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.
X-Ray Assessment of Translucency in Pineapple - (Peer Reviewed Journal)
Haff, R.P., Slaughter, D.C., Kader, A. 2006. X-ray Assessment of Translucency in Pineapple. Journal of Food Processing and Preservation. 30:527-533
Feasibility of impact-acoustic emissions for detection of damaged wheat kernels Reprint Icon - (Peer Reviewed Journal)
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.
Non-Destructive Detection of Pits and Pit Fragments in Dried Plums - (Peer Reviewed Journal)
Haff, R.P., Jackson, E.S., Pearson, T.C. 2005. Non-destructive detection of pits and pit fragments in dried plums. Applied Engineering in Agriculture.21(6):1021-1026.
Potential Postharvest Use of Radiography to Detect Internal Pests in Deciduous Tree Fruits - (Peer Reviewed Journal)
Hansen, J.D., Haff, R.P., Schlaman, D.W., Yee, W.L. 2005. Potential postharvest use of radiography to detect internal pests in deciduous tree fruits. Journal of Entomological Science. 40(3):255-262.
Sensor for Detection of Pits in Dried Plums - (Proceedings)
Jackson, E.S., Haff, R.P. 2004. Sensor for detection of pits in dried plums. ASABE Annual International Meeting. ASABE PAPER #046123.
Real-Time X-Ray Inspection of Wheat for Infestation by the Granary Weevil, Sitophilus Granarius (L.) - (Peer Reviewed Journal)
Haff, R.P., Slaughter, D.C. 2004. Real-time x-ray inspection of wheat for infestation by the granary weevil, sitophilus granarius (l.). Transactions of the ASAE. 47(2):531-537.
Non-Invasive Assessment of Translucency in Pineapple Using X-Ray Imaging. - (Proceedings)
Haff, R.P., Slaughter, D.C., Kader, A. 2003. Non-invasive assessment of translucency in pineapple using x-ray imaging. ASAE Annual International Meeting, July 27-30, 2003, Las Vegas, Nevada. 2003 CDROM.
X-Ray Inspection of Wheat for Granary Weevils Real-Time Digital Imaging Vs Film - (Proceedings)
Haff, R.P., Slaughter, D.C. 2002. X-ray inspection of wheat for granary weevils real-time digital imaging vs film. ASAE Annual International Meeting.ASAE Paper #02-6093.
Last Modified: 4/2/2014
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