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Guided Grad-CAM visualization of lesion in Diffusion-FLAIR match (A) and mismatch (B) Cases. Panel A illustrates a Diffusion-FLAIR match case where the Guided Grad-CAM highlights the lesion, presenting a focused pattern of attention on the abnormality. Conversely, panel B displays a Diffusion-FLAIR mismatch case, where the Guided Grad-CAM extends its attention beyond the lesion, indicating a less targeted pattern.
