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. 2020 May 5;15(6):909–920. doi: 10.1007/s11548-020-02186-z

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Fig. 3 — Comparison of the basic blocks for different feature extractors. a The residual block of ResNet; b a 3-layer dense block; c an extreme module of inception (Xception module); d a depth-wise-based module of MobileNet; e MobileNetV2 blocks with two stride values