Search Results - "Antonio Roberto Formaggio"
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View angle effects on the discrimination of soybean varieties and on the relationships between vegetation indices and yield using off-nadir Hyperion data
Published in Remote sensing of environment (15-04-2009)“…Imaging spectrometry has the potential to provide improved discrimination of crop types and better estimates of crop yield. Here we investigate the potential…”
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Relationships between the mineralogical and chemical composition of tropical soils and topography from hyperspectral remote sensing data
Published in ISPRS journal of photogrammetry and remote sensing (01-03-2008)“…Airborne Visible/InfraRed Imaging Spectrometer (AVIRIS) data acquired in 1995 in the vicinity of Campo Verde, central Brazil, were analyzed to investigate the…”
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Object Based Image Analysis and Data Mining applied to a remotely sensed Landsat time-series to map sugarcane over large areas
Published in Remote sensing of environment (01-08-2012)“…The aim of this research was to develop a methodology for contributing in the automation of sugarcane mapping over large areas, with time-series of remotely…”
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Land use and land cover changes in the Brazilian Cerrado: A multidisciplinary approach to assess the impacts of agricultural expansion
Published in Applied geography (Sevenoaks) (01-12-2014)“…Expansion of agricultural lands have shaped Brazilian Cerrado landscapes in recent decades; however, the environmental consequences of these transformations…”
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Self-Guided Segmentation and Classification of Multi-Temporal Landsat 8 Images for Crop Type Mapping in Southeastern Brazil
Published in Remote sensing (Basel, Switzerland) (2015)“…Only well-chosen segmentation parameters ensure optimum results of object-based image analysis (OBIA). Manually defining suitable parameter sets can be a…”
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Cloud Cover Assessment for Operational Crop Monitoring Systems in Tropical Areas
Published in Remote sensing (Basel, Switzerland) (01-03-2016)“…The potential of optical remote sensing data to identify, map and monitor croplands is well recognized. However, clouds strongly limit the usefulness of…”
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Predicting forest fire in the Brazilian Amazon using MODIS imagery and artificial neural networks
Published in ITC journal (01-08-2009)“…The presented work describes a methodology that employs artificial neural networks (ANN) and multi- temporal imagery from the MODIS/Terra-Aqua sensors to…”
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Soybean crop area estimation by Modis/Evi data
Published in Pesquisa agropecuaria brasileira (01-03-2012)“…The objective of this work was to develop a procedure to estimate soybean crop areas in Rio Grande do Sul state, Brazil. Estimations were made based on the…”
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Impacts of Land Use and Land Cover Changes on Sediment Yield in a Brazilian Amazon Drainage Basin
Published in GIScience and remote sensing (01-10-2008)“…Land use and land cover changes have as consequences several social, economic, and environmental impacts. The understanding of these changes allows a better…”
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10
Simulated multipolarized MAPSAR images to distinguish agricultural crops
Published in Scientia agricola (01-06-2012)“…Many researchers have shown the potential of Synthetic Aperture Radar (SAR) images for agricultural applications, particularly for monitoring regions with…”
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Detecção de áreas agrícolas em tempo quase real com imagens Modis
Published in Pesquisa agropecuaria brasileira (01-07-2015)“…Resumo: O objetivo deste trabalho foi desenvolver um método para identificação e monitoramento, em tempo quase real, de áreas agrícolas cultivadas com lavouras…”
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Changes in Physical Properties of Soils with Land Use Time in the Brazilian Savanna Environment
Published in Land degradation & development (01-05-2015)“…Soils from central Brazil have been intensively used over the last decades because of the rapid conversion of savannas (Cerrado) into corn/soybean fields. The…”
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The combined use of reflectance, emissivity and elevation Aster/Terra data for tropical soil studies
Published in Revista brasileira de ciência do solo (01-12-2009)“…Reflectance, emissivity and elevation data of the sensor ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer)/Terra were used to characterize…”
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14
Discrimination of sugarcane varieties in Southeastern Brazil with EO-1 Hyperion data
Published in Remote sensing of environment (01-02-2005)“…Hyperspectral data acquired by the Hyperion instrument, on board the Earth Observing-1 (EO-1) satellite, were evaluated for the discrimination of five…”
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15
Potential land availability for agricultural expansion in the Brazilian Amazon
Published in Land use policy (01-12-2015)“…•Approximately 11% of the Brazilian Amazon would be potentially available for agricultural expansion.•Forests conversion would lead to biodiversity loss and…”
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CLASSIFICAÇÃO ORIENTADA A OBJETOS EM IMAGENS MULTITEMPORAIS LANDSAT APLICADA NA IDENTIFICAÇÃO DE CANA-DE-AÇÚCAR E SOJA
Published in Revista brasileira de cartografia (21-02-2016)“…A presente pesquisa teve por objetivo avaliar a potencialidade de dados multitemporais Landsat para classiï¬cação de cana-de-açúcar e de soja, conjuntamente,…”
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Assessing the spatio-temporal rates and patterns of land-use and land-cover changes in the Cerrados of southeastern Mato Grosso, Brazil
Published in International journal of remote sensing (2013)“…The Cerrados of central Brazil have undergone profound landscape transformation in recent decades due to agricultural expansion, and this remains poorly…”
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18
Hidden Markov Models for crop recognition in remote sensing image sequences
Published in Pattern recognition letters (2011)“…This work proposes a Hidden Markov Model (HMM) based technique to classify agricultural crops. The method uses HMM to relate the varying spectral response…”
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Land use and land cover changes determine the spatial relationship between fire and deforestation in the Brazilian Amazon
Published in Applied geography (Sevenoaks) (01-05-2012)“…An increased frequency of droughts is predicted for the Amazon rainforest in the 21st century, which, combined with deforestation, could exacerbate fire…”
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EVALUATION OF THE POTENTIALITY OF WFI/CBERS-3 SENSOR DATA FOR LAND USE AND LAND COVER CLASSIFICATION
Published in Revista brasileira de cartografia (04-04-2008)“…The high cost involved in the development and launching of optical orbital sensors makes the planning and study of the potential uses of their products…”
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