Papers and presentations

Refereed Publications

2017

Fiser, M., J. Ravi, B. Benes, B. Shi and P. Hirst. 2017. IMapple: a source-sink developmental model for ‘Golden Delicious’ apple trees. Acta Hort 1160:51-59.

Medeiros, H., D. Kim, J. Sun, H. Seshadri, S. Ali Akbar, N.M. Elfiky, and J. Park. 2017. Modeling Dormant Fruit Trees for Agricultural Automation. Journal of Field Robotics. 34(7):1203-1224.

http://onlinelibrary.wiley.com/doi/10.1002/rob.21679/full

Marshall-Colon, A., S.P. Long, D.K. Allen, G. Allen, D.A. Beard, B. Benes, A.J. Christensen, D.J. Cox, J.C. Hart, P.M. Hirst, K. Kannan, D.S. Katz, J.P. Lynch, A.J. Millar, B. Panneerselvam, N.D. Price, D. Ralla, R.G. Shekar, S. Shrivastava, D. Shukla, V. Srinivasan, M. Stitt, E.O. Volt, Y. Wang, X. Yin and X.G. Zhu. 2017. Crops in silico: Generating virtual crops using and integrative and multi-scale modeling platform. Frontiers in Plant Science Vol. 8. doi: 10.3389/fpls.2017.00786

Schupp, J.R., H.E. Winzeler, T.M. Kon, R.P. Marini, T.A. Baugher, L.F. Kime, and M.A. Schupp. 2017. A Method for Quantifying Whole-tree Pruning Severity in Mature Tall Spindle Apple Plantings. HortScience  52:1233-1240.

2016

Akbar, S.A., S. Chattopadhyay, N.M. Elfiky, and A. Kak. 2016. A Novel Benchmark RGBD Dataset for Dormant Apple Trees and its Application to Automatic Pruning. IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, Las Vegas, NV, USA, 2016. [pdf]

Akbar, S.A., N.M. Elfiky, and A. Kak. 2016. A Novel Framework for Modeling Dormant Apple Trees using Single Depth Image for Robotic Pruning Application. International Conference on Robotics and Automation (ICRA) 2016, Stockholm, Sweden. [pdf]

Chattopadhyay, S., S.A. Akbar, N.M. Elfiky, H. Medeiros, and A. Kak. 2016. Measuring and modeling apple trees using time-of-flight data for automation of dormant pruning applications. In 2016 IEEE Winter Conference on Applications of Computer Vision (WACV) (pp. 1–9).

Franzen, J.B. and P.M. Hirst 2016. Optimal pruning of apple and effects on tree architecture, productivity and fruit quality. Acta Hort 1130: 307-310.

Kang, H., M. Fiser, B. Shi, F. Sheibani, P. Hirst and B. Benes. 2016. IEEE International Conference on Functional-Structural Plant Growth Modeling Simulation, Visualization and Applications (FSPMA 2016). P 90-97.

Li, F., S. Chattopadhyay, S.A. Akbar, N.M. Elfiky, and A. Kak. 2016. A Novel Visualization Tool for Evaluating the Accuracy of 3D Sensing and Reconstruction Algorithms for Automatic Dormant Pruning Applications. IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, Las Vegas, NV, USA, 2016. [pdf]

2015

Elfiky, N.M., S.A. Akbar, J.Sun, J. Park, and A. Kak. 2015. Automation of Dormant Pruning in Specialty Crop Production: An Adaptive Framework for Automatic Reconstruction and Modeling of Apple TreesCVPR Workshop on Perception Beyond the Visual Spectrum (PBVS), 2015.[ pdf ]

2014

Jones, Kristal, Leland L. Glenna, and Eva Weltzien. 2014. Assessing Participatory Processes and Outcomes in Agricultural Research for Development from Participants’ Perspectives. Journal of Rural Studies 35: 91-100.

2013

Harper, J.K., A.J. Jimenez-Maldonado, R.M. Crassweller, and D.E. Smith. 2013. Impact of Producer Risk Preferences on Selection of Fresh-Market Apple Training Systems. International J. Fruit Sci. 13(2013): 265-273.

Research presentations

2017

Hirst, P.M. 2017. Return bloom in apple is related to bourse length. International Symposium on Flowering, Fruit Set and Alternate Bearing. Palermo, Italy. ISHS.

Hirst, P.M., B. Benes, M. Fiser, B. Shi, F. Sheibani, and J. Ravi. 2017. IMapple, a functional-structural tree model for apple. Crops in Silico meeting, Oxford, England.

2016

Chattopadhyay, S., S.A. Akbar, N.M. Elfiky, H.Medeiros, and A. Kak. 2016 Measuring and Modeling Apple Trees using Time-of-Flight Data for Automation of Dormant Pruning Applications.  IEEE Winter Conference on Applications of Computer Vision (WACV), 2016, Lake Placid, NY, USA. [pdf]

Glenna, L., Y. Borlu and A. Patel-Campillo. 2016. Prospects for automated pruning in apple and wine-grape production. Rural Sociological Society annual meeting, Toronto, Canada.

Hirst, P.M. 2016. Automation and modeling research at Purdue University. China Agricultural University, Beijing, China.

Hirst, P.M. 2016. Advanced technologies in apple production in the USA. China Agricultural University, Beijing, China.

Hirst, P.M. 2016. IMapple – an interactive growth and fruiting model for apple. Northwest Agricultural and Forestry University, Yangling, China.

Hirst, P.M. 2016. Research within the Department of Horticulture and Landscape Architecture at Purdue University. Northwest Agricultural and Forestry University, Yangling, China.

Hirst, P.M., T. Baugher, N. Elfiky, L. Glenna, J. Harper, A. Kak, T. Koselka, A. Patel-Campillo, J. Schupp and B. Wallach. 2016. Can apple tree pruning be automated? 1st International Apple Symposium, Yangling, China.

Hirst, P.M., T. Baugher, N. Elfiky, L. Glenna, J. Harper, A. kak, T. Koselka, A. Patel-Campillo, J. Schupp and B. Wallach. 2016. Defining and automating optimal dormant pruning. ASHS annual meeting, Atlanta, GA. Oral presentation.

Hirst, P.M., T. Baugher, N. Elfiky, L. Glenna, J. Harper, A. Kak, T. Koselka, A. Patel-Campillo, J. Schupp and B. Wallach. 2016. Defining and automating optimal dormant pruning. XI International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems. Bologna, Italy. Oral presentation.

Sheibani, F., M. Fiser, H. Kang, B. Shi, B. Benes and P. Hirst. 2016. IMapple: a functional-structural growth and fruiting simulation model of ‘Golden Delicious’ apple. ASHS annual meeting, Atlanta, GA. Graduate oral presentation.

2015

Hirst, P.M., J. Park and E. Matson. 2015. Automation in agriculture – robotics in the real world. Convergence for smarter agriculture symposium. Discovery Park, Purdue University.

Hirst, P.M. and B. Benes. 2015. IMapple – a structural-functional model for apple trees. University of Maribor, Slovenia.

Hirst, P.M. 2015. Combining physiology and engineering to improve orchard efficiency. University of Bologna, Italy.

Hirst, P.M., M. Fiser, B. Shi, B. Benes and J. Ravi.  2015. A source-sink developmental model of Golden Delicious apple trees. X International Symposium on Modeling in Fruit Research and Orchard Management, Montpellier, France.

Hirst, P.M., E. Collier, B. Shi, M. Fiser, B. Benes. 2015. Analytical developmental of a spatio-temporal data-driven model of Golden Delicious apple leaves. X International Symposium on Modeling in Fruit Research and Orchard Management, Montpellier, France.

Hirst, P.M., J. Ravi, N. Elfiky, and B. Benes. 2015. Apple tree scanning and reconstruction using Kinect. X International Symposium on Modeling in Fruit Research and Orchard Management, Montpellier, France.

2014

Hirst, P.M., T. Baugher, L. Glenna, J. Harper, A. Kak, T. Koselka, J. Park, A. Patel-Campillo, J. Schupp, J. Tarara and B. Wallach. 2014. Automated pruning of specialty crops. International Horticultural Congress, Brisbane, Australia.

Franzen, J. and P.M. Hirst. 2014. Optimal pruning of apple and effects on tree architecture, productivity and fruit quality. International Horticultural Congress, Brisbane, Australia.

Extension presentations

2017

Elsysy, M. 2017. Why is Honeycrisp so biennial? Indiana Horticultural Congress.

Jahed, K. 2017. Management of young apple trees: starting them right. Indiana Horticultural Congress.

Sheibani, F. 2017. IMapple: a new tool for best orchard management. Indiana Horticultural Congress.

Xie, B. 2017. Spurs: the basis for apple flowering and quality. Indiana Horticultural Congress.

2016

Elfiky, N. 2016. Automatic pruning of specialty crops: sensing, modeling, and calculating the pruning points. Indiana Horticultural Congress.

Glenna, L. 2016. The social and economic dimensions of automated pruning. Indiana Horticultural Congress.

Harper, J. 2016. Update on economic evaluation of autonomous pruning of grape vines and apple trees. Indiana Horticultural Congress.

Harper, J. 2016. Managing risk in fruit production with crop insurance. Indiana Horticultural Congress.

Hirst, P.M., N. Elfiky, A. Kak, J. Schupp, T. Baugher, L. Glenna, A. Patel-Campillo, J. Harper, T. Koselka and B. Wallach. 2016. Developments in precision robotic pruning. International Fruit Tree Association annual conference, Grand Rapids, MI.

Kang, H. 2016. Predicting the future – modeling growth and fruiting of apple trees. Indiana Horticultural Congress.

Koselka, T. 2016. Robotic grapevine pruning. Indiana Horticultural Congress.

Schupp, J. 2016. Pruning by the numbers. Indiana Horticultural Congress.

Schupp, J. 2016. Stubs and buds. Indiana Horticultural Congress.

Sheibani, F. 2016. Biological basis for tree modeling. Indiana Horticultural Congress.

2015

Elsysy, M. 2015. Regular bearing on Honeycrisp depends on spur management. Indiana Horticultural Congress.

Franzen, J. 2015. Pruning made simple. Indiana Horticultural Congress.

Harper, J., L. Glenna, and A. Patel-Campillo. 2015. Pruning running late – time to automate. Mid-Atlantic Fruit and Vegetable Convention.

Hirst, P. 2015. Flower formation across different apple cultivars in Indiana. Indiana Horticultural Congress.

Hirst, P. 2015. Automating pruning – pie in the sky or rubber meets the road. Mid-Atlantic Fruit and Vegetable Convention.

Park, J. and T. Koselka. 2015. From loppers to lasers – labor-saving engineering advances for grapes and apples. Mid-Atlantic Fruit and Vegetable Convention.

Sheibani, F. 2015. Managing growth to maximize flowering. Indiana Horticultural Congress.

Shi, B. 2015. 3D trees: not just for the movies. Indiana Horticultural Congress.

Schupp, J. 2015. Pruning by the numbers. Mid-Atlantic Fruit and Vegetable Convention.

Schupp, J. and T. Kon. 2015. Defining optimal pruning for tall spindle apple trees. International Fruit Tree Association field visit, Biglerville, PA.

2014

Benes, B. 2014. Self-adapting botanical tree models in computer graphics. Indiana Horticultural Congress.

Elsysy, M. 2014. Regular bearing in Honeycrisp – possibility or pipe dream? Indiana Horticultural Congress.

Franzen, J. 2014. Pruning by the numbers – developing a recipe for the best pruning. Indiana Horticultural Congress.

Hirst, P. 2014. Pomology 101: a year in the life of an apple tree. Indiana Horticultural Congress.

Hirst, P. 2014. Orchard management: pruning. Indiana Horticultural Congress.

Park, J. 2014. Automated dormant pruning of apple trees – engineering perspective. Indiana Horticultural Congress.

Theses and dissertations published

Fiser, M. 2015. Framework for functional tree simulation applied to ‘Golden Delicious’ apple trees. MS, Purdue University

Franzen, J.B. 2015. Application and implications of rule-based pruning of apple trees. MS, Purdue University

Kon, T. 2016. Evaluation of chemical and thermal blossom thinning strategies for apple. PhD. The Pennsylvania State University.

Ravi, J. 2016. Spatial reconstruction of biological trees from point clouds. MS, Purdue University

Sheibani, F. 2017. Vegetative and reproductive characteristics of ‘Golden Delicious’ apple trees as a basis for tree modeling. MS, Purdue University

Shi, B. 2015. Growth parameters of ‘Golden Delicious’ apple trees (Malus x domestica Borkh.), MS, Purdue University

Popular articles

2017

Pruning goes high-tech. Growing Produce. June 2, 2017

2015

Automated pruning with robotics. Goodfruit Grower, April 13, 2015

Public-private group looks to automate pruning. Lancaster Farming, Feb. 7, 2015

2014

Pruning is more science than art these days. Fruit Growers News, 2014

2013

Automated pruning for orchards. Growing produce for profit. Aug. 1, 2013

2012

Robot vision to automate tree pruning. Vision Systems design. Nov. 29, 2012

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