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• W2999173106 abstract "Considering the proliferation of extremely high-dimensional data in many domains including computer vision and healthcare applications such as computer-aided diagnosis (CAD), advanced techniques for reducing data dimensionality and identifying the most relevant features for a given classification task such as distinguishing between healthy and disordered brain states are needed. Despite the existence of many works on boosting the classification accuracy using a particular feature selection (FS) method, choosing the best one from a large pool of existing FS techniques for boosting feature reproducibility within a dataset of interest remains a formidable challenge to tackle. Notably, a good performance of a particular FS method does not necessarily imply that the experiment is reproducible and that the features identified are optimal for the entirety of the samples. Essentially, this paper presents the first attempt to address the following challenge: “Given a set of different feature selection methods {FS1,⋯,FSK}, and a dataset of interest, how to identify the most reproducible and ‘trustworthy’ connectomic features that would produce reliable biomarkers capable of accurately differentiate between two specific conditions?” To this aim, we propose FS-Select framework which explores the relationships among the different FS methods using a multi-graph architecture based on feature reproducibility power, average accuracy, and feature stability of each FS method. By extracting the ‘central’ graph node, we identify the most reliable and reproducible FS method for the target brain state classification task along with the most discriminative features fingerprinting these brain states. To evaluate the reproducibility power of FS-Select, we perturbed the training set by using different cross-validation strategies on a multi-view small-scale connectomic dataset (late mild cognitive impairment vs Alzheimer’s disease) and large-scale dataset including autistic vs healthy subjects. Our experiments revealed reproducible connectional features fingerprinting disordered brain states." @default.
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• W2999173106 date "2020-05-01" @default.
• W2999173106 modified "2023-10-15" @default.
• W2999173106 title "Identifying the best data-driven feature selection method for boosting reproducibility in classification tasks" @default.
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• W2999173106 doi "https://doi.org/10.1016/j.patcog.2019.107183" @default.
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