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Estimate of vigor classes of Brachiaria ruziziensis using sensors boarded on UAV plataform. Traditional procedures for biomass estimation usually use destructive methods with great demands on time, resources, and labor. The development of models for automated estimation of pasture biomass, p... ... Repositório: BDPA Ano de publicação: 2021
Cattle detection using oblique UAV images. The evolution in imaging technologies and artificial intelligence algorithms, coupled with improvements in UAV technology, has enabled the use of unmanned aircraft in a wide range of applications. The... ... Repositório: BDPA Ano de publicação: 2020
Classification of Cynodon spp. grass cultivars by UAV. Traditional methods for estimating biomass in pasture frequently use destructive methods with high demand for time, resources and labor. The development of models for automated estimation of biomass a... ... Repositório: BDPA Ano de publicação: 2021
Identification of gaps in sugarcane plantations using UAV images. The objective of this study is to present a methodology for the detection and quantification of gaps formed during planting or growing of sugarcane crops. The use of UAV images for precision agricultu... ... Repositório: BDPA Ano de publicação: 2017
Evapotranspiration measurements in pasture, crops, and native Brazilian Cerrado based on UAV-borne multispectral sensor. In Brazil, agriculture consumes most of the available freshwater, especially in the Cerrado biome, where the rain cycle is marked by long periods of drought. This study, conducted at the Brazilian Agr... ... Repositório: BDPA Ano de publicação: 2024
Woody plant encroachment in a seasonal tropical savanna: lessons about classifiers and accuracy from UAV images. Abstract: Woody plant encroachment in grassy ecosystems is a widely reported phenomenon associated with negative impacts on ecosystem functions. Most studies of this phenomenon have been carried out i... ... Repositório: BDPA Ano de publicação: 2023
Individual tree detection and species classification of Amazonian palms using UAV images and deep learning. Information regarding the spatial distribution of palm trees in tropical forests is crucial for commercial exploitation and management. However, spatially continuous knowledge of palms occurrence is s... ... Repositório: BDPA Ano de publicação: 2020
Imputation of missing parts in UAV orthomosaics using PlanetScope and Sentinel-2 data: a case study in a grass-dominated área. In this study, we propose a methodological framework to impute missing parts of UAV orthomosaics using PlanetScope (PS) and Sentinel-2 (S2) data and the random forest (RF) algorithm of an integrated c... ... Repositório: BDPA Ano de publicação: 2023
Aboveground biomass estimation in Amazonian Tropical Forests: a comparison of aircraft- and GatorEye UAV- borne LiDAR data in the Chico Mendes Extractive Reserve in Acre, Brazil. Tropical forests are often located in dicult-to-access areas, which make high-quality forest structure information dicult and expensive to obtain by traditional field-based approaches. LiDAR (acronym... ... Repositório: BDPA Ano de publicação: 2020
UAV-based thermal imaging in the assessment of water status of soybean plants. Repositório: BDPA Ano de publicação: 2020

Mostrando 1 - 10 de 31 resultados.

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