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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com rosangela.lacerda@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
26/01/2006 |
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Data da última atualização: |
28/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ZANDONADI, R. S.; PINTO, F. A. C.; SENA JUNIOR, D. G; QUEIROZ, D. M.; VIANA, P. A.; MANTOVANI, E. C. |
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Afiliação: |
PAULO AFONSO VIANA, CNPMS; EVANDRO CHARTUNI MANTOVANI, CNPMS. |
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Título: |
Identification of lesser cornstalk borer-attacked maize plants using infrared images. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Biosystems Engineering, London, v. 91, n. 4, p. 433-439, 2005. |
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DOI: |
10.1016/j.biosystemseng.2005.05.002 |
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Idioma: |
Inglês |
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Conteúdo: |
The lesser cornstalk borer (Elasmopalpus lignosellus) is a pest that damages the maize plants in the initial growing phase causing stand reduction that can result in yield decrease. The machine vision system could be an alternative for the development of site-specific management of this pest. The objective of this work was to develop and evaluate a machine vision algorithm for identifying maize plants attacked by lesser cornstalk borer based on colour infrared images. To develop the algorithm, images of 40 maize plants were taken on different days after emergency. The plants were grown in pots, and 25 of them were infested with lesser cornstalk borer larvae and 15 were left healthy. The algorithm had three stages: leaf identification, image block classification, and plant classification. In the leaf identification stage, the plant leaves were segmented by thresholding the normalised difference vegetation index image. For the block classification stage, different neural network architectures and block sizes were tested for identification of non-attacked and attacked plant image blocks. Then, in the plant classification stage, discriminating functions were used to classify the scene as either a healthy or an attacked plant. The algorithm performance was compared with the performance of four human experts by using the Kappa coefficient of agreement. The largest size of image block, 9 by 9 pixels, was chosen because of its less computational exigency and because its performance was not significantly different from the other tested block sizes. The algorithm performance was significantly better than just one human expert. The Kappa coefficients for the algorithm and the three best human experts were 63.0 and 49.7%, respectively. The overall accuracy of the algorithm and the best three human experts was 81.6 and 73.4%, respectively. (c) 2005 Silsoe Research Institute. All rights reserved Published by Elsevier Ltd. MenosThe lesser cornstalk borer (Elasmopalpus lignosellus) is a pest that damages the maize plants in the initial growing phase causing stand reduction that can result in yield decrease. The machine vision system could be an alternative for the development of site-specific management of this pest. The objective of this work was to develop and evaluate a machine vision algorithm for identifying maize plants attacked by lesser cornstalk borer based on colour infrared images. To develop the algorithm, images of 40 maize plants were taken on different days after emergency. The plants were grown in pots, and 25 of them were infested with lesser cornstalk borer larvae and 15 were left healthy. The algorithm had three stages: leaf identification, image block classification, and plant classification. In the leaf identification stage, the plant leaves were segmented by thresholding the normalised difference vegetation index image. For the block classification stage, different neural network architectures and block sizes were tested for identification of non-attacked and attacked plant image blocks. Then, in the plant classification stage, discriminating functions were used to classify the scene as either a healthy or an attacked plant. The algorithm performance was compared with the performance of four human experts by using the Kappa coefficient of agreement. The largest size of image block, 9 by 9 pixels, was chosen because of its less computational exigency and because its performance ... Mostrar Tudo |
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Thesagro: |
Milho; Praga de planta; Zea mays. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02633naa a2200229 a 4500
001 1489194
005 2018-05-28
008 2005 bl uuuu u00u1 u #d
024 7 $a10.1016/j.biosystemseng.2005.05.002$2DOI
100 1 $aZANDONADI, R. S.
245 $aIdentification of lesser cornstalk borer-attacked maize plants using infrared images.$h[electronic resource]
260 $c2005
520 $aThe lesser cornstalk borer (Elasmopalpus lignosellus) is a pest that damages the maize plants in the initial growing phase causing stand reduction that can result in yield decrease. The machine vision system could be an alternative for the development of site-specific management of this pest. The objective of this work was to develop and evaluate a machine vision algorithm for identifying maize plants attacked by lesser cornstalk borer based on colour infrared images. To develop the algorithm, images of 40 maize plants were taken on different days after emergency. The plants were grown in pots, and 25 of them were infested with lesser cornstalk borer larvae and 15 were left healthy. The algorithm had three stages: leaf identification, image block classification, and plant classification. In the leaf identification stage, the plant leaves were segmented by thresholding the normalised difference vegetation index image. For the block classification stage, different neural network architectures and block sizes were tested for identification of non-attacked and attacked plant image blocks. Then, in the plant classification stage, discriminating functions were used to classify the scene as either a healthy or an attacked plant. The algorithm performance was compared with the performance of four human experts by using the Kappa coefficient of agreement. The largest size of image block, 9 by 9 pixels, was chosen because of its less computational exigency and because its performance was not significantly different from the other tested block sizes. The algorithm performance was significantly better than just one human expert. The Kappa coefficients for the algorithm and the three best human experts were 63.0 and 49.7%, respectively. The overall accuracy of the algorithm and the best three human experts was 81.6 and 73.4%, respectively. (c) 2005 Silsoe Research Institute. All rights reserved Published by Elsevier Ltd.
650 $aMilho
650 $aPraga de planta
650 $aZea mays
700 1 $aPINTO, F. A. C.
700 1 $aSENA JUNIOR, D. G
700 1 $aQUEIROZ, D. M.
700 1 $aVIANA, P. A.
700 1 $aMANTOVANI, E. C.
773 $tBiosystems Engineering, London$gv. 91, n. 4, p. 433-439, 2005.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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| Registros recuperados : 29 | |
| 1. |  | LEITE, T. B.; FONSECA, L. X.; KROLOW, A. C. R. Avaliações físico-químicas de maçã Cvs. Gala e Fuji em calda. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA E PÓS GRADUAÇÃO DA EMBRAPA CLIMA TEMPERADO, 3., 2010, Pelotas. resumos e palestras... Pelotas: Embrapa Clima Temperado, 2010. Anais: Carreira, ética e inovação: o que você está fazendo? Pelotas: Embrapa Clima Temperado, 2010. Editado por Ivan Rodrigues de Almeida, Leonardo Ferreira Dutra e Jamir Luis Silva da Silva. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 2. | | FONSECA, L. X.; KROLOW, A. C. R.; LEITE, T. B. Determinação dos teores de umidade de frutos de Butiá (Butiá capitata) utilizando método convencional e analisador de umidade. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA E PÓS GRADUAÇÃO DA EMBRAPA CLIMA TEMPERADO, 3., 2010, Pelotas. resumos e palestras... Pelotas: Embrapa Clima Temperado, 2010. Anais: Carreira, ética e inovação: o que você está fazendo? Pelotas: Embrapa Clima Temperado, 2010. Editado por Ivan Rodrigues de Almeida, Leonardo Ferreira Dutra e Jamir Luis Silva da Silva. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 7. | | FONSECA, L. X.; KROLOW, A. C. R.; BARBIERI, R. L.; LEITE, T. B.; NORA, L. Caracterização química e física de frutos de butiá (Butia capitata). In: CONGRESO ARGENTINO DE CIENCIA Y TECNOLOGÍA DE ALIMENTOS (CYTAL), 13.; SIMPOSIO INTERNACIONAL DE NUEVAS TECNOLOGÍAS, 4.; SIMPOSIO LATINOAMERICANO SOBRE HIGIENE Y CALIDAD DE ALIMENTOS, 2.; SIMPOSIO SOBRE NORMATIVA ALIMENTARIA, 1., 2011, Buenos Aires. Ciência e tecnología de alimentos: anais. Buenos Aires: UCA, 2011.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 8. | | FONSECA, L. X.; KROLOW, A. C. R.; LEITE, T. B.; SCHWENGBER, J. E. Avaliação de parâmetros físicos e físico-químicos de cultivares de tomate cereja orgânico (lycopersicon esculentum var. cerasiforme). In: CONGRESO ARGENTINO DE CIENCIA Y TECNOLOGÍA DE ALIMENTOS (CYTAL), 13.; SIMPOSIO INTERNACIONAL DE NUEVAS TECNOLOGÍAS, 4.; SIMPOSIO LATINOAMERICANO SOBRE HIGIENE Y CALIDAD DE ALIMENTOS, 2.; SIMPOSIO SOBRE NORMATIVA ALIMENTARIA, 1., 2011, Buenos Aires. Ciência e tecnología de alimentos: anais. Buenos Aires: UCA, 2011.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 15. | | CRIZEL, G. R.; Leite, T. B.; ANTES, S.; FLORES CANTILLANO, R. F.; ROMBALDI, C. V. Influência da radiação uv-c nos teores de nutrientes em folhas de morangueiros cv. Albion. In:SIMPÓSIO NACIONAL DO MORANGO, 6.; ENCONTRO SOBRE PEQUENAS FRUTAS E FRUTAS NATIVAS DO MERCOSUL, 5., 2012, Pelotas. Palestras e resumos... Pelotas: Embrapa Clima Temperado, 2012. 231 p. Organizadores: Marcia Vizzotto, Carlos Reisser Júnior, Rosa Lia Barbieri, Rodrigo Cezar Franzon.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 19. | | RIBEIRO, J. A.; LEITE, T. B.; SILVE, M. M. da; MORENO, M. B.; FLORES CANTILLANO, R. F. Agentes conservantes na preservação da qualidade pós-colheita de pêssego cv. eldorado minimamente processado armazenado por diferentes períodos. In: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 22.; ENCONTRO DE PÓS-GRADUAÇÃO, 15., 2013, Pelotas. [Anais.]. Pelotas: UFPel, 2013.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 20. | | MORENO, M. B.; CORRÊA, A. P. A.; KROLOW, A. C. R.; LEITE, T. B.; ROMBALDI, C. V.; GOMES, C. B. Análise das folhas de alface CV. elisa submetida a diferentes tratamentos com torta de mamona no solo infestado com meloidogyne javanica. In: CONGRESSO LATINO AMERICANO, 6.; CONGRESSO BRASILEIRO DE HIGIENISTAS DE ALIMENTOS, 12.; ENCONTRO NACIONAL DE CENTROS DE CONTROLE DE ZOONOSES, 2.; ENCONTRO DO SISTEMA BRASILEIRO DE INSPEÇÃO DE PRODUTOS DE ORIGEM ANIMAL, 4., 2013, Gramado. Os alimentos sob a òtica da sustentabilidade entre a consciência e a prática: anais. Gramado, 2013.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 29 | |
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