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Registro Completo |
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Biblioteca(s): |
Embrapa Territorial. |
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Data corrente: |
05/03/2013 |
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Data da última atualização: |
05/03/2013 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
VEDOVATO, L. B.; VICENTE, L. E.; PIQUEIRA, J. R. C.; PEREZ FILHO, A.; MATTOS, S. H. V. L. |
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Afiliação: |
LAURA B. VEDOVATO, BOLSISTA CNPM; LUIZ EDUARDO VICENTE, CNPM; JOSÉ ROBERTO CASTILHO PIQUEIRA, USP; ARCHIMEDES PEREZ FILHO, UNICAMP; SÉRGIO HENRIQUE VANNUCCHI LEMES DE MATTOS, UNICAMP. |
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Título: |
Assessment of complexity metrics applied to analysis of spectral patterns generated by aster sensor. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: SYMPOSIUM SELPER, 15., 2012, Cayenne, French Guiana. Abstracts... Cayenne: SELPER, 2012. |
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Páginas: |
1 p. |
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Idioma: |
Inglês |
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Conteúdo: |
Landscape metrics are traditionally used in the analysis and search for spatial patterns in complex environmental systems through of establishing numeric relationships between different types of targets on Earth's surface. Under this perspective, remote sensing has had great importance as a tool for data generation, providing several levels of land use and occupancy information isonomically for large areas. For that purpose, remote sensing uses regular pixel matrices (Picture Element) with associated quantitative values (e.g. digital numbers, radiance, reflectance) which constitute a direct measurement of the variation of electromagnetic radiation (EMR) after interaction with the target. The variations in pixel values may be considered in terms of their textural patterns, regarding pixel neighborhood relationships, or spectral patterns, when EMR variations are considered along different wavelengths for a same pixel. Thus, the objective of this work was to assess the results of spectral measurements to different area extensions in images taken by the ASTER sensor, which operates with 9 bands within the visible to shortwave infrared region (0.556 to 2.400 µm) and has a spatial resolution of 15 m. For this purpose, cerrado phytophysiognomies in two hillsides at Jataí Ecological Station, in the city of Luiz Antônio, northeast portion of the state of São Paulo, Brazil, were considered reference targets, and encompassed to its greatest extent the cerradão domain and also "campo sujo" and "cerrado strictu sensu" physiognomies. The metrics used for spectral analyses are based on information entropy: measure (SDL), in which most complexity values are associated to more disorderly patterns; and measure, LMC, which is represent by a convex entropy of function that attributes greater complexity values to patterns located in an intermediate zone between order and disorder. These measures was applied to values extracted from spectral response curve generated by a wavelength X reflectance graphic which represented the target's behavior in different bands of the electromagnetic spectrum. In this work, was used two bands (8 and 9) that emphasize important components of cerrado phytophysiognomies, as lignin and water cell. For each hillside, was analysed three positions: base, medium and top, and each of these position, two spatial scales (150x150m and 75x75m). The results shows that, when taken alone, any measure presented a consistent behavior when compared of different spatial scales and bands used. However, both measures show identical behavior to attribute greater and lesser values of complexity to different positions and spatial scale at the same hillside. This results appoint that its can be used in combined as complementary measures, demonstrating in case LMC measure ? heterogeneity degrees of spectral patterns analysed and, from SDL measure, your respective location along of continuum that have in your extremes, one side, more ordered condition (therefore, more homogeneous) and, in the other extremity, more disordered conditions. MenosLandscape metrics are traditionally used in the analysis and search for spatial patterns in complex environmental systems through of establishing numeric relationships between different types of targets on Earth's surface. Under this perspective, remote sensing has had great importance as a tool for data generation, providing several levels of land use and occupancy information isonomically for large areas. For that purpose, remote sensing uses regular pixel matrices (Picture Element) with associated quantitative values (e.g. digital numbers, radiance, reflectance) which constitute a direct measurement of the variation of electromagnetic radiation (EMR) after interaction with the target. The variations in pixel values may be considered in terms of their textural patterns, regarding pixel neighborhood relationships, or spectral patterns, when EMR variations are considered along different wavelengths for a same pixel. Thus, the objective of this work was to assess the results of spectral measurements to different area extensions in images taken by the ASTER sensor, which operates with 9 bands within the visible to shortwave infrared region (0.556 to 2.400 µm) and has a spatial resolution of 15 m. For this purpose, cerrado phytophysiognomies in two hillsides at Jataí Ecological Station, in the city of Luiz Antônio, northeast portion of the state of São Paulo, Brazil, were considered reference targets, and encompassed to its greatest extent the cerradão domain and also "campo su... Mostrar Tudo |
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Palavras-Chave: |
ASTER; Landscape metrics. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/77976/1/Daniel-Gomes.pdf
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Marc: |
LEADER 03711nam a2200193 a 4500
001 1952223
005 2013-03-05
008 2012 bl uuuu u00u1 u #d
100 1 $aVEDOVATO, L. B.
245 $aAssessment of complexity metrics applied to analysis of spectral patterns generated by aster sensor.$h[electronic resource]
260 $aIn: SYMPOSIUM SELPER, 15., 2012, Cayenne, French Guiana. Abstracts... Cayenne: SELPER$c2012
300 $a1 p.
520 $aLandscape metrics are traditionally used in the analysis and search for spatial patterns in complex environmental systems through of establishing numeric relationships between different types of targets on Earth's surface. Under this perspective, remote sensing has had great importance as a tool for data generation, providing several levels of land use and occupancy information isonomically for large areas. For that purpose, remote sensing uses regular pixel matrices (Picture Element) with associated quantitative values (e.g. digital numbers, radiance, reflectance) which constitute a direct measurement of the variation of electromagnetic radiation (EMR) after interaction with the target. The variations in pixel values may be considered in terms of their textural patterns, regarding pixel neighborhood relationships, or spectral patterns, when EMR variations are considered along different wavelengths for a same pixel. Thus, the objective of this work was to assess the results of spectral measurements to different area extensions in images taken by the ASTER sensor, which operates with 9 bands within the visible to shortwave infrared region (0.556 to 2.400 µm) and has a spatial resolution of 15 m. For this purpose, cerrado phytophysiognomies in two hillsides at Jataí Ecological Station, in the city of Luiz Antônio, northeast portion of the state of São Paulo, Brazil, were considered reference targets, and encompassed to its greatest extent the cerradão domain and also "campo sujo" and "cerrado strictu sensu" physiognomies. The metrics used for spectral analyses are based on information entropy: measure (SDL), in which most complexity values are associated to more disorderly patterns; and measure, LMC, which is represent by a convex entropy of function that attributes greater complexity values to patterns located in an intermediate zone between order and disorder. These measures was applied to values extracted from spectral response curve generated by a wavelength X reflectance graphic which represented the target's behavior in different bands of the electromagnetic spectrum. In this work, was used two bands (8 and 9) that emphasize important components of cerrado phytophysiognomies, as lignin and water cell. For each hillside, was analysed three positions: base, medium and top, and each of these position, two spatial scales (150x150m and 75x75m). The results shows that, when taken alone, any measure presented a consistent behavior when compared of different spatial scales and bands used. However, both measures show identical behavior to attribute greater and lesser values of complexity to different positions and spatial scale at the same hillside. This results appoint that its can be used in combined as complementary measures, demonstrating in case LMC measure ? heterogeneity degrees of spectral patterns analysed and, from SDL measure, your respective location along of continuum that have in your extremes, one side, more ordered condition (therefore, more homogeneous) and, in the other extremity, more disordered conditions.
653 $aASTER
653 $aLandscape metrics
700 1 $aVICENTE, L. E.
700 1 $aPIQUEIRA, J. R. C.
700 1 $aPEREZ FILHO, A.
700 1 $aMATTOS, S. H. V. L.
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Registro original: |
Embrapa Territorial (CNPM) |
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Biblioteca(s): |
Embrapa Pantanal; Embrapa Unidades Centrais. |
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Data corrente: |
09/03/2018 |
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Data da última atualização: |
02/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SOUZA, G. da S. e; GOMES, E. G.; SANTOS, S. A.; REZENDE, A. S. C. de; ANDRADE, D. R. de F.; NOGUEIRA, M. F.; TRIGO, P.; ABREU, U. G. P. de. |
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Afiliação: |
GERALDO DA SILVA E SOUZA, SGI; ELIANE GONCALVES GOMES, SGI; SANDRA APARECIDA SANTOS, CPAP; Adalgiza Souza Carneiro de Rezende, Universidade Federal de Minas Gerais/Escola de Veterinária, Departamento de Zootecnia; Débora Roque de Freitas Andrade, Universidade Federal de Minas Gerais/Programa de Pós-graduação em Zootecnia; MARCIA FURLAN NOGUEIRA T DE LIMA, CPAP; Pablo Trigo, Universidad Nacional de La Plata/Facultad de Ciencias Veterinarias; URBANO GOMES PINTO DE ABREU, CPAP. |
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Título: |
Factors affecting the performance of Pantaneiro horses. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, v. 47, Epub Mar 2018 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to assess the physical performance of Pantaneiro horses with and without equine infectious anemia (EIA) under functional conditions of cattle management. The horses were subjected to a performance test and split into two groups according to a completely randomized design: animals were chosen from populations testing positive and negative for EIA. Performance was measured as a function of a data envelopment analysis (DEA) model considering four outputs and one unitary input. The output measures were the distance achieved in the performance test, hematocrit as a weighted average over the test duration, respiratory rate as weighted average over the test duration, and the level of lactic acid at the test termination. Weights for the hematocrit and the respiratory rate output variables were determined by means of factor analysis. The performance score was a weighted average of the output variables with the weights defined by the averages of the optimum individual multipliers in the DEA analysis. Contextual variables of interest were age, horse weight, room temperature, and corporal temperature. Only groups and room temperature were statistically significant effects, as indicated by a bootstrap analysis. The performance of group positive for EIA is significantly lower than that of the group negative for EIA and room temperature has a negative effect. |
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Palavras-Chave: |
Analysis of covariance; Anemia infecciosa eqüina; Data envelopment analysis; Delineamento experimental. |
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Thesagro: |
Anemia Infecciosa; Cavalo; Método estatístico. |
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Thesaurus NAL: |
Equine infectious anemia; Equine infectious anemia virus; Experimental design; Horses; Multivariate analysis. |
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Categoria do assunto: |
--
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/175768/1/Factors-affecting-the-perfomance-of-Pantaneiro-horses.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/173793/1/factors-2018.pdf
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Marc: |
LEADER 02421naa a2200349 a 4500
001 2090780
005 2018-05-02
008 2018 bl uuuu u00u1 u #d
100 1 $aSOUZA, G. da S. e
245 $aFactors affecting the performance of Pantaneiro horses.$h[electronic resource]
260 $c2018
520 $aThis study aimed to assess the physical performance of Pantaneiro horses with and without equine infectious anemia (EIA) under functional conditions of cattle management. The horses were subjected to a performance test and split into two groups according to a completely randomized design: animals were chosen from populations testing positive and negative for EIA. Performance was measured as a function of a data envelopment analysis (DEA) model considering four outputs and one unitary input. The output measures were the distance achieved in the performance test, hematocrit as a weighted average over the test duration, respiratory rate as weighted average over the test duration, and the level of lactic acid at the test termination. Weights for the hematocrit and the respiratory rate output variables were determined by means of factor analysis. The performance score was a weighted average of the output variables with the weights defined by the averages of the optimum individual multipliers in the DEA analysis. Contextual variables of interest were age, horse weight, room temperature, and corporal temperature. Only groups and room temperature were statistically significant effects, as indicated by a bootstrap analysis. The performance of group positive for EIA is significantly lower than that of the group negative for EIA and room temperature has a negative effect.
650 $aEquine infectious anemia
650 $aEquine infectious anemia virus
650 $aExperimental design
650 $aHorses
650 $aMultivariate analysis
650 $aAnemia Infecciosa
650 $aCavalo
650 $aMétodo estatístico
653 $aAnalysis of covariance
653 $aAnemia infecciosa eqüina
653 $aData envelopment analysis
653 $aDelineamento experimental
700 1 $aGOMES, E. G.
700 1 $aSANTOS, S. A.
700 1 $aREZENDE, A. S. C. de
700 1 $aANDRADE, D. R. de F.
700 1 $aNOGUEIRA, M. F.
700 1 $aTRIGO, P.
700 1 $aABREU, U. G. P. de
773 $tRevista Brasileira de Zootecnia, Viçosa$gv. 47, Epub Mar 2018
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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