how to show discriminative features

[aooliver]

HI，
I only want to see this discriminative feature, but the size I obtained is (400,16,256). How can I display the image of this discriminative feature, as shown in your article.
Thanks a lot.

[yangli18]

The first dimension 400 a flattened 20x20 (the resolution of the downsampled feature map). You can reshape the tensor to recover the spatial dimensions for visualization. You can visualize the verification score map in the same way.