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An Automated Assay for the Evaluation of Mortality in Fish Embryo

Abstract : Waterways are often first and severely affected by pollution. In this context, fish embryos – which constitute a good model for sensitivity to chemicals – are widely used in environmental toxicology studies. Such studies are devoted to the analysis of a wide spectrum of physiological parameters, for instance mortality ratio. In this article, we develop an assay to determine the mortality rate of Medaka embryo. Based on video sequences, our purpose is to obtain reliable, repeatable results in a fully automated fashion. To reach that challenging goal, we develop an efficient morphological pipeline that analyses image sequences in a multiscale paradigm, from the global scene to the embryo, and then to its heart, finally analysing its putative motion, characterized by intensity variations. Our pipeline, based on robust morphological operators, has a low computational cost, and was experimentally assessed on a dataset consisting of 660 images, providing a success ratio higher than 99%.
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Submitted on : Friday, May 22, 2015 - 1:04:40 PM
Last modification on : Saturday, January 15, 2022 - 3:58:05 AM
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Élodie Puybareau, Marc Léonard, Hugues Talbot. An Automated Assay for the Evaluation of Mortality in Fish Embryo. ISMM 2015, May 2015, Reykjavik, Iceland. ⟨10.1007/978-3-319-18720-4_10⟩. ⟨hal-01154543⟩



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