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. 2023 Aug 3;14:1138239. doi: 10.3389/fphys.2023.1138239

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Copyright © 2023 Han, Dai, Chen, Gao, Chen, Yan, Ye and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Flow chart of radiomics analysis. T1, non-contrast T1-weighted imaging; AP, arterial phase; PVP, portal venous phase; DP, delayed phase; HBP, hepatobiliary phase; st a, standardized a [a means radiomics features from a single phase (e.g., radiomics features from AP)]; st b, standardized b [b means radiomics features from another single phase (e.g., radiomics features from T1)]; SMOTE, synthetic minority over-sampling technique; mRMR, minimal-redundancy-maximal-relevance; RFE, recursive feature elimination; LR, logistic regression; SVM, support vector machine; CV, cross-validation.