Fig. 4 | Scientific Reports

Fig. 4

From: Enhancing frozen histological section images using permanent-section-guided deep learning with nuclei attention

Fig. 4

Grad-cam comparison. Examples of permanent section patches and the Grad-cam maps of the discriminator \(\:{D}_{P}\). The Grad-cam maps on the second and third rows are for the discriminators of CycleGAN with Attention UNET & Resnet and SAN (our method), respectively. Using our method, SAN, the discriminator learns to put more focus on the nuclei parts of the image, while pushing the generator to put more efforts in generating more details in the nuclei regions as they should appear in a permanent section image. Scale bar: 20 μm.

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