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United States Department of Agriculture

Agricultural Research Service

Ronald P Haff (Ron)
Research Agricultural Engineer


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Near-infrared spectroscopy for detection of hailstorm damage on olive fruit -
Moscetti, R., Haff, R.P., Monarca, D., Cecchini, M., Massantini, R. 2016. Near-infrared spectroscopy for detection of hailstorm damage on olive fruit. Postharvest Biology and Technology. 120:204-212.
NIR detection of pits and pit fragments in fresh cherries (abstract) -
Liang, P., Haff, R.P. 2016. NIR detection of pits and pit fragments in fresh cherries (abstract). ASABE International Meeting, July 17-20, 2016, Orlando, FL. lb.
Non-destructive NIR detection of Zebra Chip disease in whole potatoes (abstract) -
Liang, P., Haff, R.P. 2016. Non-destructive NIR detection of Zebra Chip disease in whole potatoes (abstract). ASABE International Meeting, July 17-20, 2016, Orlando, FL.
Determination of soluble solids content and titratable acidity of intact fruit and juice of Satsuma mandarin using a hand-held NIR instrument in transmittance mode -
Masithoh, R.E., Haff, R.P., Kawano, S. 2016. Determination of soluble solids content and titratable acidity of intact fruit and juice of Satsuma mandarin using a hand-held NIR instrument in transmittance mode. Near Infrared Spectroscopy Journal. 24(1):83-88.
Building lab-scale x-ray tube based irradiators -
Haff, R.P., Jackson, E.S., Gomez, J., Light, D.M., Follett, P.A., Simmons, G.S., Higbee, B.S. 2015. Building lab-scale x-ray tube based irradiators. Journal of Radiation Physics and Chemistry. 121:43-49.
Detection of fruit-fly infestation in olives using X-ray imaging: Algorithm development and prospects -
Haff, R.P., Jackson, E.S., Moscetti, R., Massantini, R. 2015. Detection of fruit-fly infestation in olives using X-ray imaging: Algorithm development and prospects. American Journal of Agricultural Science and Technology. 4(1):1-8.
Recent advances in the use of non-destructive near infrared spectroscopy on intact olive fruits -
Stella, E., Moscetti, R., Haff, R.P., Contini, M., Cecchini, M. 2015. Recent advances in the use of non-destructive near infrared spectroscopy on intact olive fruits. Journal of Near Infrared Spectroscopy. 23:197-208.
All sorts of options for food product sorting -
McHugh, T.H., Haff, R.P. 2015. All sorts of options for food product sorting. Food Technology. 69(10):74-76.
Effects of x-ray irradiation on male navel orangeworm (Lepidoptera: Pyralidae) on mating, fecundity, fertility, and inherited sterility Reprint Icon -
Light, D.M., Ovchinnikova, I., Jackson, E.S., Haff, R.P. 2015. Effects of x-ray irradiation on male navel orangeworm (Lepidoptera: Pyralidae) on mating, fecundity, fertility, and inherited sterility. Journal of Economic Entomology. 8(5):2200-2212. doi: 10.1093/JEE/TOV201.
Recent advances in the use of NIR spectroscopy for qualitative control and protection of extra virgin olive oil -
Stella, E., Moscetti, R., Massantini, R., Monarca, D., Cecchini, M., Haff, R.P., Contini, M. 2015. Recent advances in the use of NIR spectroscopy for qualitative control and protection of extra virgin olive oil. La Rivista Italiana Delle Sostanze Grasse. XCII:155-173.
Nondestructive inspection of nuts for food quality and safety using NIRS (abstract) -
Haff, R.P., Moscetti, R., Massintini, R. 2014. Nondestructive inspection of nuts for food quality and safety using NIRS (abstract). In: Proceedings of the US-Japan Cooperative Program in Natural Resources, October 19-23, 2014, Athens, Georgia. p. 1-8.
Feasibility of NIR Spectroscopy to detect olive fruit infested by Bactrocera oleae -
Moscetti, R., Haff, R.P., Stella, E., Contini, M., Monarca, D., Cecchini, M., Massantini, R. 2014. Feasibility of NIR Spectroscopy to detect olive fruit infested by Bactrocera oleae. Postharvest Biology and Technology. 99:58-62.
Use of benzo anologs to enhance antimycotic activity of kresoxim methyl for control of aflatoxigenic fungal pathogens Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 Reprint Icon -
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 Reprint Icon -
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 Reprint Icon -
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 Reprint Icon -
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 -
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.
Modernization of the DFA Moisture Meter -
Haff, R.P., Young, R. 2012. Modernization of the DFA Moisture Meter. Applied Engineering in Agriculture. 28(2):221-223.
A Redesigned DFA Moisture Meter -
Haff, R.P., Young, R. 2012. A Redesigned DFA Moisture Meter. Applied Engineering in Agriculture. 28(2):221-223.
Methods for correcting morphological-based deficiencies in hyperspectral images of round objects -
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 -
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 -
Computer vision for foreign body detection and removal in the food industry -
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 -
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 -
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 -
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 -
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 -
Sorting of in-shell Pistachio nuts from kernels using color imaging -
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 -
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 -
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 -
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 -
X-ray based stem detection in an automatic tomato weeding system -
Detection of pits in fresh cherries -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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.
METHOD AND APPARATUS FOR NON-DESTRUCTIVE DETECTION OF PITS AND SEED FRAGMENTS IN FRUIT -
Jackson, E.S., Haff, R.P. 2006. Method and apparatus for non-destructive detection of pits and seed fragments in fruit. U.S. Patent 7,024,942 B1.
X-RAY ASSESSMENT OF TRANSLUCENCY IN PINEAPPLE -
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 -
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 -
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 -
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 -
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.) -
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. -
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 -
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: 8/26/2016
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