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This paper proposes a variable flow control system in real time with deep learning using the segmentation of fruit trees in a pear orchard. The flow rate control in real time, undesired pressure fluctuation and theoretical modeling may…

Robotics · Computer Science 2021-02-16 Jaehwi Seol , Jeongeun Kim , Hyoung Il Son

The US apple industry relies heavily on semi-skilled manual labor force for essential field operations such as training, pruning, blossom and green fruit thinning, and harvesting. Blossom thinning is one of the crucial crop load management…

Robotics · Computer Science 2024-09-27 Uddhav Bhattarai , Qin Zhang , Manoj Karkee

We present a general framework for accurate positioning of sensors and end effectors in farm settings using a camera mounted on a robotic manipulator. Our main contribution is a visual servoing approach based on a new and robust feature…

Robotics · Computer Science 2022-08-25 Nicolai Häni , Volkan Isler

Orchard automation has attracted the attention of researchers recently due to the shortage of global labor force. To automate tasks in orchards such as pruning, thinning, and harvesting, a detailed understanding of the tree structure is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Zijue Chen , Keenan Granland , Rhys Newbury , Chao Chen

We want to build robots that are useful in unstructured real world applications, such as doing work in the household. Grasping in particular is an important skill in this domain, yet it remains a challenge. One of the key hurdles is…

Robotics · Computer Science 2017-11-21 Ulrich Viereck , Andreas ten Pas , Kate Saenko , Robert Platt

Labor shortages in fruit crop production have prompted the development of mechanized and automated machines as alternatives to labor-intensive orchard operations such as harvesting, pruning, and thinning. Agricultural robots capable of…

Robotics · Computer Science 2023-04-27 Dawood Ahmed , Ranjan Sapkota , Martin Churuvija , Manoj Karkee

Contemporary robots in precision agriculture focus primarily on automated harvesting or remote sensing to monitor crop health. Comparatively less work has been performed with respect to collecting physical leaf samples in the field and…

Robotics · Computer Science 2022-08-11 Merrick Campbell , Amel Dechemi , Konstantinos Karydis

Robotic harvesting of fruits in orchards is a challenging task, since high density and overlapping of fruits and branches can heavily impact the success rate of robotic harvesting. Therefore, the vision system is demanded to provide…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Hanwen Kang , Chao Chen

Dormant season grapevine pruning requires skilled seasonal workers during the winter season which are becoming less available. As workers hasten to prune more vines in less time amid to the short-term seasonal hiring culture and low wages,…

Robotics · Computer Science 2021-12-02 Abhisesh Silwal , Francisco Yandun , Anjana Nellithimaru , Terry Bates , George Kantor

We propose to use a simulation driven inverse inference approach to model the dynamics of tree branches under manipulation. Learning branch dynamics and gaining the ability to manipulate deformable vegetation can help with occlusion-prone…

Robotics · Computer Science 2023-12-21 Jayadeep Jacob , Tirthankar Bandyopadhyay , Jason Williams , Paulo Borges , Fabio Ramos

Autonomous tree pruning with unmanned aerial vehicles (UAVs) is a safety-critical real-world task: the onboard perception system must estimate the metric distance from a cutting tool to thin tree branches in real time so that the UAV can…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

Fruit tree image segmentation is an essential problem in automating a variety of agricultural tasks such as phenotyping, harvesting, spraying, and pruning. Many research papers have proposed a diverse spectrum of solutions suitable to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Il-Seok Oh

Grapevine winter pruning is a complex task, that requires skilled workers to execute it correctly. The complexity makes it time consuming. It is an operation that requires about 80-120 hours per hectare annually, making an automated robotic…

Strawberries naturally grow in clusters, interwoven with leaves, stems, and other fruits, which frequently leads to occlusion. This inherent growth habit presents a significant challenge for robotic picking, as traditional…

Robotics · Computer Science 2026-02-17 Zhenghao Fei , Wenwu Lu , Linsheng Hou , Chen Peng

There is a growing need for robotic apple harvesting due to decreasing availability and rising cost in labor. Towards the goal of developing a viable robotic system for apple harvesting, this paper presents synergistic mechatronic design…

Robotics · Computer Science 2020-10-23 Kaixiang Zhang , Kyle Lammers , Pengyu Chu , Zhaojian Li , Renfu Lu

Semantic segmentation is a fundamental task for agricultural robots to understand the surrounding environments in natural orchards. The recent development of the LiDAR techniques enables the robot to acquire accurate range measurements of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Hanwen Kang , Xing Wang

Autonomous harvesting in the open presents a complex manipulation problem. In most scenarios, an autonomous system has to deal with significant occlusion and require interaction in the presence of large structural uncertainties (every plant…

Robotics · Computer Science 2026-02-24 Nitesh Subedi , Hsin-Jung Yang , Devesh K. Jha , Soumik Sarkar

Large-scale orchard production requires timely and precise disease monitoring, yet routine manual scouting is labor-intensive and financially impractical at the scale of modern operations. As a result, disease outbreaks are often detected…

Robotics · Computer Science 2026-03-25 Hayden Feddock , Francisco Yandun , Srđan Aćimović , Abhisesh Silwal

This study presents a closed-loop robotic strawberry harvesting system that combines a robust vision module, simulation-trained deep reinforcement learning (DRL) control, and ROS-based realrobot execution. For perception, we propose…

Robotics · Computer Science 2026-05-25 Al Bashir , Shao-Yang Chang , Partho Ghose , Prem Raj , Chen-Kang Huang , Azlan Zahid

The paper is concerned with the dynamic tracking problem of SNAP orchards harvesting robots in the presence of multiple uncalibrated model parameters in the application of dwarf culture orchards harvest. A new hybrid visual servoing…

Robotics · Computer Science 2021-06-11 Tao Li , Quan Qiu , Chunjiang Zhao