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Author(s): HIDALGO CHÁVEZ, D. W.; SILVA, F. L. C. DA; PINTO, R. V.; CARVALHO, C. W. P. de; FREITAS-SILVA, O.

This article describes simple methods to group images including principal component analysis (PCA) and hierarchical clustering of principal components (HCPC). Images of expanded and low expanded extru... ...

Repository: BDPA     Publication year: 2023

Author(s): CARDOSO, D. B.; ROSA, S. D. V. F. da; CLEMENTE, P. E. G.; GALLEP, C. M.; PADILHA, L.

Repository: BDPA     Publication year: 2015

Author(s): SCHULTZ, B.; BERTANI, G.; FORMAGGIO, A. R.; EBERHARDT, D. S.; LUIZ, A. J. B.; ATZBERGER, C.

Repository: BDPA     Publication year: 2014

Author(s): VERAMENDI, W. N. C.; CRUVINEL, P. E.

The processing of multispectral images acquired with embedded cameras in unmanned aerial vehicles (drones) has brought new opportunities for precision agriculture. In this study a method for evaluatin... ...

Repository: BDPA     Publication year: 2024

Author(s): MORAIS, P. A. de O.; SOUZA, D. M. de; MADARI, B. E.

Soil organic matter (SOM) is usually quantified by Walkley-Black titration method or using a spectrophotometric method. This study proposes an alternative method for quantification of SOM using digita... ...

Repository: BDPA     Publication year: 2021

Author(s): BAQUETA, M. R.; POSTIGO, M. P.; ALVES, E. A.; MORAES NETO, V. F. de; VALDERRAMA, P.; PALLONE, J. A. L.; DINIZ, P. H. G. D.

The prevention of coffee fraud through the use of digital and intelligence-based technologies is an analytical challenge because depending on the adulterant, visual inspection is unreliable in roasted... ...

Repository: BDPA     Publication year: 2024

Author(s): YAGUSHI, J. T.; COSTA, D. S.; FRANÇA-NETO, J. de B.

ABSTRACT: Seed deterioration causes losses to seed companies during the storage. For researches, the challenge has been to develop techniques which improve the seed longevity as well as laboratory ana... ...

Repository: BDPA     Publication year: 2014

Author(s): LIMA, D. C. de; RODRIGUES, E. L. L.; JORGE, L. A. de C.

Repository: BDPA     Publication year: 2014

Author(s): TEIXEIRA, T. S.; RODRIGUES NETO, J. C.; SILVA, E. A.; CONCEIÇÃO, A. A.; SIQUEIRA, F. G. de; ABDELNUR, P. V.

Fungi can produce many bioactive metabolites, which are enhanced when challenged in co-culture competition. For a better evaluation of these metabolites, Mass Spectrometry Imaging (MSI) can be used to... ...

Repository: BDPA     Publication year: 2023

Author(s): ARASHIRO, E. K. N.; FONSECA, J. F. da; PEREIRA, L. G. R.; FERNANDES, C. A.; BRANDÃO, F. Z.; OBA, E.; VIANA, J. H. M.

The aim of this study was to evaluate the potential of luteal echotexture (mean pixel value and heterogeneity), as a tool for assessing luteal function during different phases of the estrous cycle in... ...

Repository: BDPA     Publication year: 2010

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