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Author(s): BARBEDO, J. G. A.; KOENIGKAN, L. V.; HALFELD-VIEIRA, B. de A.; COSTA, R. V. da; NECHET, K. de L.; GODOY, C. V.; LOBO JUNIOR, M.; PATRÍCIO, F. R. A.; TALAMINI, V.; CHITARRA, L. G.; OLIVEIRA, S. A. S. de; ISHIDA, A. K. N.; FERNANDES, J. M. C.; SANTOS, T. T.; CAVALCANTI, F. R.; TERAO, D.; ANGELOTTI, F.

Over the last few years, considerable effort has been spent by Embrapa in the construction of a plant disease database representative enough for the development of effective methods for automatic plan... ...

Repository: BDPA     Publication year: 2018

Author(s): FERREIRA SOBRINHO, P. A.; SANTOS, T. T.

RESUMO - A automação no contexto da agricultura é significativamente mais complexa do que em contextos urbanos e industriais. Devido à grande variabilidade das estruturas orgânicas, métodos cada vez m... ...

Repository: BDPA     Publication year: 2021

Author(s): MACARIO, C. G. N.; SANTOS, J. A. dos; MEDEIROS, C. B.; TORRES, R. da S.

Georeferenced data are a key factor in many decision-making systems. However, their interpretation is user and context dependent so that, for each situation, data analysts have to interpret them, a ti... ...

Repository: BDPA     Publication year: 2010

Author(s): GONÇALVES, J. P.; PINTO, F. A. C.; QUEIROZ, D. M.; VILLAR, F. M. M.; BARBEDO, J. G. A.; DEL PONTE, E. M.

Colour-thresholding digital imaging methods are generally accurate for measuring the percentage of foliar area affected by disease or pests (severity), but they perform poorly when scene illumination... ...

Repository: BDPA     Publication year: 2021

Author(s): BARBEDO, J. G. A.

Abstract. This paper presents a survey on methods that use digital image processing techniques to detect, quantify and classify plant diseases from digital images in the visible spectrum. Although dis... ...

Repository: BDPA     Publication year: 2013

Author(s): AZEVEDO, A. L. S.; GUEDES, E.; SILVA, M. V. G. B.; GASPARINI, C.; REIS, D.; FURLONG, J.

Repository: BDPA     Publication year: 2011

Author(s): BARBEDO, J. G. A.

Abstract. This paper presents a new method based on digital image processing techniques such as color transformations and mathematical morphology, as well as on some specialist knowledge, to provide e... ...

Repository: BDPA     Publication year: 2013

Author(s): ANTUNES, J. F. G.; ESQUERDO, J. C. D. M.

Resumo. O monitoramento ambiental do Pantanal Brasileiro pode ser auxiliado com o uso de métodos de sensoriamento remoto por meio de imagens do satélite NOAA. Este artigo aborda o processamento automá... ...

Repository: BDPA     Publication year: 2006

Author(s): ESQUERDO, J. C. D. M.; ANTUNES, J. F. G.; ZULLO JÚNIOR, J.

A geração de produtos derivados de imagens NOAA é uma tarefa trabalhosa. A elevada resolução temporal das plataformas NOAA resulta num grande número de imagens diariamente disponíveis, o que requer té... ...

Repository: BDPA     Publication year: 2005

Author(s): BARBEDO, J. G. A.; GUARIENTI, E. M.; TIBOLA, C. S.

Repository: BDPA     Publication year: 2018

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