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Document Associé À Des Manifestations Scientifiques Année : 2023

Different analysis pipelines, different results... How to deal with analytical variability?

Camille Maumet

Résumé

Data processing is central to biomedical imaging and over the years the different tools and algorithms available to study a dataset have multiplied. Recently, multiple studies in the literature have demonstrated how the exact choice of analysis pipeline can have an impact on the conclusions of scientific experiments. Those studies focused on varying different components of the analysis pipeline including differences observed across scientific software, across preprocessing pipelines or even across different operating systems. In addition, the development of many-analyst studies -- in which independent teams of experts are tasked to answer the same research questions using the same input data -- have shed lights into how much differences can be expected across pipelines selected by experts from the scientific community. In this talk, we review different examples showcasing this analytical variability. We will reflect on the underlying reasons that can explain the existence of this variability.
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hal-04073419 , version 1 (18-04-2023)

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  • HAL Id : hal-04073419 , version 1

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Camille Maumet. Different analysis pipelines, different results... How to deal with analytical variability?. 20th IEEE International Symposium on Biomedical Imaging (ISBI 2023), Apr 2023, Cartagena (Colombia), Colombia. ⟨hal-04073419⟩
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