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Nasopharyngeal microbial communities of patients infected with SARS-CoV-2 that developed COVID-19. Author(s): PAZ VENTERO, M.; CUADRAT, R. R. C.; VIDAL, I.; ANDRADE, B. G. N.; MOLINA-PARDINES, C.; HARI-MORENO, J. M.; COUTINHO, F. H.; MERINO, E.; REGITANO, L. C. de A.; SILVEIRA, C. B.; AFLI, H.; LÓPEZ-PÉREZ, M.; RODRÍGUEZ, J. C. Background: SARS-CoV-2 is an RNA virus causing COVID-19. The clinical characteristics and epidemiology of COVID-19 have been extensively investigated, however, only one study so far focused on the pat... ... Repository: BDPA Publication year: 2021
Integração de imagens de satélites óticos e SAR para monitoramento do uso e cobertura da terra. Author(s): GAVA, G.; DE MARIA, I.; SILVEIRA, J.; PIRES, R.; BOLFE, E. L. O objetivo da presente pesquisa será o de realizar uma nova abordagem da fusão dos dados de satélites ativos SAR e óticos, para produzir mapas de uso e cobertura da terra, de forma sinérgica buscando... ... Repository: BDPA Publication year: 2024
Comparative analysis of the global forest/non-forest maps derived from SAR and optical sensors: case studies from brazilian Amazon and Cerrado biomes. Author(s): SANO, E. E.; RIZZOLI, P.; KOYAMA, C. N.; WATANABE, M.; ADAMI, M.; SHIMABUKURO, Y. E.; SILVA, G. B. S. da; FREITAS, D. M. de Abstract: Global-scale forest/non-forest (FNF) maps are of crucial importance for applications like biomass estimation and deforestation monitoring. Global FNF maps based on optical remote sensing dat... ... Repository: BDPA Publication year: 2021
Lessonia-1 SAR time-series for identifying flooded áreas. Author(s): LIMA, S. A.; COSTA, F. A. L.; BIAS, E. S.; SANO, E. E. The catastrophic floods that hit Rio Grande do Sul, Brazil, in May 2024 underscored the urgent necessity for sophisticated flood monitoring and management methods. Notably, Synthetic Aperture Radar (S... ... Repository: BDPA Publication year: 2024
Effects of the different precipitation levels on SAR data. Author(s): TORO, A. P. S. G. D.; CAPUCCI, G.; WERNER, J. P. S.; BUENO, I. T.; ESQUERDO, J. C. D. M.; ANTUNES, J. F. G.; COUTINHO, A. C.; LAMPARELLI, R. A. C.; MAGALHÃES, P. S. G.; OLIVEIRA JÚNIOR, J. G.; FIGUEIREDO, G. K. D. A. The present work aimed to identify the impacts of precipitation on the backscattering coefficient from Sentinel-1, in areas with agricultural landscape. Repository: BDPA Publication year: 2023
SAR and optical data applied to early-season mapping of integrated crop-livestock systems using deep and machine learning algorithms. Author(s): TORO, A. P. S. G. D. D.; BUENO, I. T.; WERNER, J. P. S.; ANTUNES, J. F. G.; LAMPARELLI, R. A. C.; COUTINHO, A. C.; ESQUERDO, J. C. D. M.; MAGALHÃES, P. S. G.; FIGUEIREDO, G. K. D. A. In this work, we explored the potential of three machine and deep learning algorithms (random forest, long short-term memory, and transformer) to perform early-season (with three-time windows) mapping... ... Repository: BDPA Publication year: 2023
Mapping Secondary Vegetation of a Region of Deforestation Hotspot in the Brazilian Amazon: Performance Analysis of C- and L-Band SAR Data Acquired in the Rainy Season. Author(s): KIYOHARA, B. H.; SANO, E. E. Abstract: The re-suppression of secondary vegetation (SV) in the Brazilian Amazon for agriculture or land speculation occurs mostly in the rainy season. The use of optical images to monitor such re-su... ... Repository: BDPA Publication year: 2022
Babaçu, vinagreira (Hibisco), pequi, mastruz, pitomba e guabiraba: alimentos funcionais como alternativas no combate a SARS-COV-2 (Covid-19). Author(s): COSTA, T. T.; SILVA, K. G. S. da; SILVA, I. S. F. C.; SILVA, E. V. R. da; HASHIMOTO, J. M. Com o avanço da pandemia do patógeno Coronavírus SARS-CoV-2, causador da doença Covid-19 (Coronavirus Disease), considerada hoje uma grande ameaça em escala global, recomenda-se uma alimentação rica e... ... Repository: BDPA Publication year: 2025
Abordagem metodológica baseada em imagens do SAR-R99B para identificar prováveis pistas de pouso não-homologadas na Amazônia. Author(s): ALVES, S. A. S.; ASSANTE, L. R.; SANO, E. E.; MENESES, P. R. Este estudo apresenta uma abordagem metodológica baseada em imagens de radar e nos critérios de tonalidade, tamanho e forma geométrica para identificar prováveis pistas de pouso não-homologadas na Ama... ... Repository: BDPA Publication year: 2009
A Comparative Assessment of Machine-Learning Techniques for Forest Degradation Caused by Selective Logging in an Amazon Region Using Multitemporal X-Band SAR Images. Author(s): KUCK, T. N.; SANO, E. E.; BISPO, P. da C.; SHIGUEMORI, E. H.; SILVA FILHO, P. B. F.; MATRICARDI, E. A. T. Abstract: The near-real-time detection of selective logging in tropical forests is essential to support actions for reducing CO2 emissions and for monitoring timber extraction from forest concessions... ... Repository: BDPA Publication year: 2021

Showing 1 - 10 of 2,691 results.

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