Long He
Assistant Professor of Agricultural and Biological Engineering

- 223 Musselman
- luh378@psu.edu
- 717-677-6116
Publication Tags
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Fruits Fruit Apples Orchards Image Analysis Canopy Prunus Avium Color Effect Damage Detection Neural Networks Orchard Fruiting Energy Analysis Image Processing Learning Malus Methodology Removal Vegetation Index Automation Convolutional Neural Networks Mechanical HarvestingMost Recent Publications
Detection and infected area segmentation of apple fire blight using image processing and deep transfer learning for site-specific management
Md Sultan Mahmud, Long He, Azlan Zahid, Paul Heinemann, Daeun Choi, Grzegorz Krawczyk, Heping Zhu, 2023, Computers and Electronics in Agriculture
Green fruit segmentation and orientation estimation for robotic green fruit thinning of apples
Magni Hussain, Long He, James Rawlinson Schupp, David Lyons, Paul Heinemann, 2023, Computers and Electronics in Agriculture on p. 107734
Studies in precision crop load management of apple
T. L. Robinson, L. Gonzalez, L. Cheng, Y. Ziang, G. Peck, B. Arnoldson, M. Gomez, M. Guerra, Mario Miranda Sazo, C. Kahlke, T. Einhorn, A. Wallis, S. Musacchi, S. Serra, K. Lewis, T. Schmidt, P. Heinemann, L. He, T. Kon, S. Sherif, J. Clements, C. Layer, 2023, Acta Horticulturae on p. 219-225
Smart Irrigation in Orchards
Hemantkumar Gohil, Long He, 2023,
UAV Photogrammetry-Based Apple Orchard Blossom Density Estimation and Mapping
Wenan Yuan, Weiyun Hua, Paul Heinz Heinemann, Long He, 2023, Horticulturae
CFD SIMULATION OF POROUS CANOPY HEAT TRANSFER IN APPLE ORCHARD-BASED FROST PROTECTION
Weiyun Hua, Paul Heinemann, Long He, Wenan Yuan, 2023, Journal of the ASABE on p. 825-838
Design of end-effectors for apple robotic thinning in the green fruit stage
Kittiphum Pawikhum, Paul Heinemann, Long He, Henry Sommer, Randall Bock, 2023, on p. 8
Multi-agent path planning in apple orchard with tight tree rows based on improved A-Star algorithm for frost protection
Weiyun Hua, Long He, Paul Heinemann, 2023, on p. 10
Mechanical Management of Modern Planar Fruit Tree Canopies
Long He, 2023,
AN ADVANCED ROBOTIC SYSTEM FOR PRECISION CHEMICAL THINNING OF APPLE BLOSSOMS
Xinyang Mu, Magni Hussain, Long He, Paul Heinemann, James Schupp, Manoj Karkee, Minghui Zhu, 2023, Journal of the ASABE on p. 1125-1134
Most-Cited Papers
Branch detection for apple trees trained in fruiting wall architecture using depth features and Regions-Convolutional Neural Network (R-CNN)
Jing Zhang, Long He, Manoj Karkee, Qin Zhang, Xin Zhang, Zongmei Gao, 2018, Computers and Electronics in Agriculture on p. 386-393
Sensing and automation in pruning of apple trees: A review
Long He, James Schupp, 2018, Agronomy on p. 211
Apple fruit recognition algorithm based on multi-spectral dynamic image analysis
Juan Feng, Lihua Zeng, Long He, 2019, Sensors
Effect of catching surface and tilt angle on bruise damage of sweet cherry due to mechanical impact
Jianfeng Zhou, Long He, Manoj Karkee, Qin Zhang, 2016, Computers and Electronics in Agriculture on p. 282-289
Analysis of shaking-induced cherry fruit motion and damage
Jianfeng Zhou, Long He, Manoj Karkee, Qin Zhang, 2016, Biosystems Engineering on p. 105-114
Effect of excitation position of a handheld shaker on fruit removal efficiency and damage in mechanical harvesting of sweet cherry
Jianfeng Zhou, Long He, Qin Zhang, Manoj Karkee, 2014, Biosystems Engineering on p. 36-44
Effect of fruit location on apple detachment with mechanical shaking
Long He, Han Fu, Manoj Karkee, Qin Zhang, 2017, Biosystems Engineering on p. 63-71
Evaluation of the influence of shaking frequency and duration in mechanical harvesting of sweet cherry
J. Zhou, L. He, Q. Zhang, X. Du, D. Chen, M. Karkee, 2013, Applied Engineering in Agriculture on p. 607-612
Development of a LiDAR-guided section-based tree canopy density measurement system for precision spray applications
Md Sultan Mahmud, Azlan Zahid, Long He, Daeun Choi, Grzegorz Krawczyk, Heping Zhu, Paul Heinemann, 2021, Computers and Electronics in Agriculture
Energy efficacy analysis of a mechanical shaker insweet cherry harvesting
Long He, Jianfeng Zhou, Xiaoqiang Du, Du Chen, Qin Zhang, Manoj Karkee, 2013, Biosystems Engineering on p. 309-315
News Articles Featuring Long He
Jan 26, 2023
Machine vision system developed capable of locating king flowers on apple trees
A machine vision system capable of locating and identifying apple king flowers within clusters of blossoms on trees in orchards was devised by Penn State researchers — a critical early step in the development of a robotic pollination system — in a first-of-its-kind study.
Full Article
Jul 18, 2022
Agricultural engineers design early step for robotic, green-fruit thinning
Penn State agricultural engineers have developed, for the first time, a prototype “end-effector” capable of deftly removing unwanted apples from trees — the first step toward robotic, green-fruit thinning.
Full Article