A novel vegetation index for coffee ripeness monitoring using aerial imagery

R Nogueira Martins, FA de Carvalho Pinto… - Remote Sensing, 2021 - mdpi.com
Coffee ripeness monitoring is a key indicator for defining the moment of starting the harvest,
especially because the coffee quality is related to the fruit ripeness degree. The most used …

Estimation of grapevine crop coefficient using a multispectral camera on an unmanned aerial vehicle

D Gautam, B Ostendorf, V Pagay - Remote sensing, 2021 - mdpi.com
Crop water status and irrigation requirements are of great importance to the horticultural
industry due to changing climatic conditions leading to high evaporative demands, drought …

Coffee Growing with Remotely Piloted Aircraft System: Bibliometric Review

NL Bento, GAS Ferraz, LS Santana, MLO Silva - AgriEngineering, 2023 - mdpi.com
Remotely piloted aircraft systems (RPASs) have gained prominence in recent decades
primarily due to their versatility of application in various sectors of the economy. In the …

Application of a Multispectral UAS to Assess the Cover and Biomass of the Invasive Dune Species Carpobrotus edulis

MF Meyer, JA Gonçalves, JFR Cunha, SCCS Ramos… - Remote Sensing, 2023 - mdpi.com
Remote sensing can support dune ecosystem conservation. Unoccupied Aircraft Systems
(UAS) equipped with multispectral cameras can provide information for identifying different …

Comparing RGB-based vegetation indices from UAV imageries to estimate hops canopy area

K Starý, Z Jelínek, J Kumhálová, J Chyba, K Balážová - 2020 - dspace.emu.ee
Remote estimation of hops plants in hop gardens is imperative in field of precision
agriculture, because of precise imaging of hop garden structure. Monitoring of hop plant …

[HTML][HTML] Dynamics and associations of selected agrometeorological variables in Robusta growing regions of Uganda

R Ssembajwe, C Mulinde, SD Ddumba… - Agricultural Water …, 2025 - Elsevier
As climate variability increases with extremes becoming more frequent, the pressure on
agriculture only intensifies. A better understanding of the dynamics of direct climate drivers …

[HTML][HTML] Multispectral Images for Drought Stress Evaluation of Arabica Coffee Genotypes Under Different Irrigation Regimes

PC da Silva, WQ Ribeiro Junior, MLG Ramos… - Sensors, 2024 - mdpi.com
The advancement of digital agriculture combined with computational tools and Unmanned
Aerial Vehicles (UAVs) has opened the way to large-scale data collection for the calculation …

Using Remote Sensing Multispectral Imagery for Invasive Species Quantification: The Effect of Image Resolution on Area and Biomass Estimation

MF Meyer, JA Gonçalves, AMF Bio - Remote Sensing, 2024 - mdpi.com
This study assesses the applicability of different-resolution multispectral remote sensing
images for mapping and estimating the aboveground biomass (AGB) of Carpobrotus edulis …

[PDF][PDF] Evaluation of 3D uas flight path planning algorithms

P Debus, V Rodehorst - … Archives of the …, 2021 - … -remote-sens-spatial-inf-sci.net
The application of image-based methods in inspections and monitoring has increased
significantly over recent years. This is especially the case for the inspection of large …

[PDF][PDF] Preliminary study on the potential use of RPA images to quantify the influence of the defoliation after coffee harvesting to its yield.

LM Santos, GA FERRAZ, MAF CARVALHO, MS Vilela… - 2023 - dspace.emu.ee
Coffee is an agricultural commodity with global commercial importance capable of impacting
the production chain. The quantification of defoliation at harvest is important for monitoring …