Fine-Grained Lung Cancer Classification from PET and CT Images Based on Multidimensional Attention Mechanism

Figure 9

The Grad-CAM generated by different attention mechanisms in PET images. (a) Four slices from the original PET image; (b) Grad-CAM in MFSE; (c) Grad-CAM in MFSA; (d) Grad-CAM in MFSCA.

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