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A comparison between bright field and phase-contrast image analysis techniques in activated sludge morphological characterization

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Resumo:Different approaches using microscopy image analysis procedures were employed for characterization of activated sludge systems. The approaches varied mainly on the type of visualization and acquisition method used for collection of data. In this context, this study focused on the comparison of the two most common acquisition methods: bright field and phase-contrast microscopy. Images were acquired from seven different wastewater treatment plants for a combined period of two years. Advantages and disadvantages of each acquisition technique and the results are discussed. Bright field microscopy proved to be more simple and inexpensive and provided the best overall results.
Autores principais:Mesquita, D. P.
Outros Autores:Dias, Oscar; Amaral, A. L.; Ferreira, Eugénio C.
Assunto:Activated sludge Image analysis Bright field Phase contrast Aggregates Filaments
Ano:2010
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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