Results 31 to 40 of about 395 (57)
Realce Automático de Imagens Subaquáticas em Rios da Amazônia [PDF]
, 2015 O realce de imagens subaquáticas em aplicações na região dos rios amazônicos é cada vez mais requisitado e carece de um estudo mais aprofundado especialmente nos casos em que os rios apresentam alto índice de turbidez e baixa luminosidade.
http://lattes.cnpq.br/1092645424250280 +1 more
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Realce de sinais em ambiente com variações acústicas subaquáticas [PDF]
, 2021 Nesta Dissertação de Mestrado, são abordados os desafios associados às interferências acústicas causadas por ruído do ambiente subaquático. Neste contexto, um método para realce de sinais acústicos subaquáticos no domínio do tempo é proposto, baseado na ...
Caldeira, Antônio Walkir Sibanto
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Avaliação da propagação de trinca por fadiga em soldas subaquáticas molhadas [PDF]
, 2017 The characteristic of fatigue cracks propagation of welds produced in underwater wet welding were evaluated out of water. Butt welds produced in a hyperbaric chamber at simulated depths of 10, 60 and 90m.
Ariel Rodriguez Arias
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Neotropical Ichthyology, 2011 The present study analyzed heterotypic schooling behavior and protective mimicry relationships involving species of the genus Haemulon and other coral reef fishes on coastal reefs at Tamandaré, Pernambuco State, Northeastern Brazil.
Pedro Henrique Cipresso Pereira +2 more
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Caracterização da superfície de fratura gerada por fadiga em soldas subaquáticas molhadas
, 2018 Three-dimensional reconstruction of surfaces has been widely used in the field of materials fracture due to the need of better understand the phenomena related to this process and the mechanisms that lead to the material failure.
Natália Maia Fonseca
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Análise cinemática do nado em ondas subaquáticas na posição dorsal para nadadores de competição
, 2023 Background: The underwater undulatory swimming (NOS) is a part of competitive swimming events where the forward water resistance is practically halved compared to the surface swim.
Rey, Borja +2 more
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Neotropical Ichthyology, 2011 Knowledge concerning the behavior of wild freshwater fishes in Brazil is restricted to a few studies, despite such studies being able to answer fundamental questions about conservation. Species of Brycon are amongst the most threatened in the Neotropics,
Pedro G Azevedo +2 more
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Estimação automática de parâmetros de modelos para restauração de imagens de cenas subaquáticas
, 2008 A large number of techniques to extract information contained in images have been developed through the years. However, these techniques are based on the premise that objects and observer are immersed in a transparent medium, as the air for example.
Erickson Rangel do Nascimento
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Neotropical Ichthyology, 2011 In recent years, many studies investigated how density-dependent factors, such as shortages in microhabitat and food availability influence the structure of reef fish assemblages.
Paulo R. Medeiros +2 more
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Characterization by three-dimensional reconstruction of the fatigue fracture surface in underwater wet welds [PDF]
, 2018 Fatigue fracture surfaces in wet underwater welds were characterized by means of three-dimensional reconstructions using stereophotogrammetry in a scanning electron microscope.
Ariel Rodríguez Arias +2 more
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