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

Figure 6

Grad-CAM of CT images. (a) Four slices from the original CT image—the red area highlights the lesion labeled by the radiologist; (b) the Grad-CAM generated without attention mechanism; (c) the Grad-CAM generated by the multidimensional attention mechanism.

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