Long He
Assistant Professor of Agricultural and Biological Engineering

- 223 Musselman
- luh378@psu.edu
- 717-677-6116
Publication Tags
Fruits Fruit Apples Orchards Malus Prunus Avium Robotics Canopy Damage Effect Remote Sensing Image Analysis Heat Transfer Color Fruiting Test Orchard Removal Aluminum Energy Detection Neural Networks Analysis Bruising (Plant) Mechanical HarvestingMost Recent Publications
Remote sensing detection algorithm for apple fire blight based on UAV multispectral image
Deqin Xiao, Yongqi Pan, Jianzhao Feng, Jianjun Yin, Youfu Liu, Long He, 2022, Computers and Electronics in Agriculture
Green Fruit Removal Dynamics for Development of Robotic Green Fruit Thinning End-Effector
Magni Hussain, Long He, Paul Heinemann, James Schupp, James Schupp, Paul Heinemann, 2022, Journal of the ASABE on p. 779-788
A Heat Transfer Model for an Apple Orchard Equipped with Mobile Heaters During Frost
Weiyun Hua, Long He, Paul Heinemann, 2022,
DEVELOPMENT OF AN AUTOMATIC AIRFLOW CONTROL SYSTEM FOR PRECISION SPRAYERS BASED ON TREE CANOPY DENSITY
Md Sultan Mahmud, Azlan Zahid, Long He, Heping Zhu, Daeun Choi, Paul Heinemann, Grzegorz Krawczy, Daeun Choi, Grzegorz Krawczyk, Paul Heinemann, 2022, Journal of the ASABE on p. 1225-1240
Robotic tree fruit harvesting: status, challenges, and prosperities
Long He, Azlan Zahid, Md Sultan Mahmud, 2022, on p. 299-332
An Apple Tree Branch Pruning Analysis
Azlan Zahid, Md Sultan Mahmud, Long He, James Schupp, Daeun Choi, Paul Heinemann, 2022, HortTechnology on p. 90-98
Variable rate Technologies for Precision Agriculture
Long He, 2022, on p. 1-9
Smart Irrigation in Orchards
Hemantkumar Gohil, Long He, 2022,
Sensitivity examination of YOLOv4 regarding test image distortion and training dataset attribute for apple flower bud classification
Wenan Yuan, D Choi, Dimitrios Bolkas, Paul Heinz Heinemann, Long He, 2022, International Joural of Remote Sensing on p. 3106-3130
LoRaWAN based Internet of Things (IoT) System for Precision Irrigation in Plasticulture Fresh-market Tomato
Haozhe Zhang, Long He, Paul Heinemann, Francesco Di Gioia, F Di Gioia, D Choi, Paul Heinemann, daeun Choi, Antonio Elia, Antonio Elia, P Heinemann, 2022, Smart Agricultural Technology on p. 100053
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
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
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
Apple fruit recognition algorithm based on multi-spectral dynamic image analysis
Juan Feng, Lihua Zeng, Long He, 2019, Sensors
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
Analysis of shaking-induced cherry fruit motion and damage
Jianfeng Zhou, Long He, Manoj Karkee, Qin Zhang, 2016, Biosystems Engineering on p. 105-114
Shake-And-catch harvesting for fresh market apples in trellis-Trained trees
L. He, H. Fu, D. Sun, M. Karkee, Q. Zhang, 2017, Transactions of the ASABE on p. 353-360
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
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
'Jazz' apple impact bruise responses to different cushioning materials
H. Fu, L. He, S. Ma, M. Karkee, D. Chen, Q. Zhang, S. Wang, 2017, Transactions of the ASABE on p. 327-336
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