Orchard management with small unmanned aerial vehicles: A survey of sensing and analysis approaches

C Zhang, J Valente, L Kooistra, L Guo, W Wang - Precision Agriculture, 2021 - Springer
Advances in sensor miniaturization are increasing the global popularity of unmanned aerial
vehicle (UAV)-based remote sensing applications in many domains of agriculture. Fruit …

Assessing tree crown volume—A review

Z Zhu, C Kleinn, N Nölke - Forestry: An International Journal of …, 2021 - academic.oup.com
Tree crown volume is a fundamental tree characteristic. It correlates to forest biomass
production and most relevant ecosystem and environmental functions, such as carbon …

Rice yield estimation based on K-means clustering with graph-cut segmentation using low-altitude UAV images

MN Reza, IS Na, SW Baek, KH Lee - Biosystems engineering, 2019 - Elsevier
Predicting the harvest yield enables farm practices to be modified throughout the growing
season, with potential to increase the final yield. Unmanned aerial vehicle (UAV) based …

Quantifying pruning impacts on olive tree architecture and annual canopy growth by using UAV-based 3D modelling

FM Jiménez-Brenes, F López-Granados, AI De Castro… - Plant methods, 2017 - Springer
Background Tree pruning is a costly practice with important implications for crop harvest and
nutrition, pest and disease control, soil protection and irrigation strategies. Investigations on …

Mobile terrestrial laser scanner applications in precision fruticulture/horticulture and tools to extract information from canopy point clouds

A Escolà, JA Martínez-Casasnovas, J Rufat, J Arnó… - Precision …, 2017 - Springer
LiDAR sensors are widely used in many areas and, in recent years, that includes agricultural
tasks. In this work, a self-developed mobile terrestrial laser scanner based on a 2D light …

Comparison of aerial and ground 3D point clouds for canopy size assessment in precision viticulture

A Pagliai, M Ammoniaci, D Sarri, R Lisci, R Perria… - Remote Sensing, 2022 - mdpi.com
In precision viticulture, the intra-field spatial variability characterization is a crucial step to
efficiently use natural resources by lowering the environmental impact. In recent years …

Assessment of vineyard canopy characteristics from vigour maps obtained using UAV and satellite imagery

J Campos, F García-Ruíz, E Gil - Sensors, 2021 - mdpi.com
Canopy characterisation is a key factor for the success and efficiency of the pesticide
application process in vineyards. Canopy measurements to determine the optimal volume …

Application of light detection and ranging and ultrasonic sensors to high-throughput phenoty** and precision horticulture: current status and challenges

AF Colaço, JP Molin, JR Rosell-Polo… - Horticulture …, 2018 - academic.oup.com
Ultrasonic and light detection and ranging (LiDAR) sensors have been some of the most
deeply investigated sensing technologies within the scope of digital horticulture. They can …

Multispectral map** on 3D models and multi-temporal monitoring for individual characterization of olive trees

JM Jurado, L Ortega, JJ Cubillas, FR Feito - Remote Sensing, 2020 - mdpi.com
3D plant structure observation and characterization to get a comprehensive knowledge
about the plant status still poses a challenge in Precision Agriculture (PA). The complex …

Assessment of olive tree canopy characteristics and yield forecast model using high resolution UAV imagery

D Stateras, D Kalivas - Agriculture, 2020 - mdpi.com
Greek agriculture is mainly based on olive tree cultivation. Farmers have always been
concerned about annual olive orchard production. The necessity for the improvement of …