I’ve experimented around with captum a bit and generally speaking, my verdict was confirmed, as this heatmap of a completely blank image shows.
Figure_1600×600 216 KB
However, I am quite confused, because in some input Images, it seems to recognise the polar bear in the image, but just seemingly neglects it, as this heatmap shows:
Figure_10692(2)600×600 176 KB Figure_10692600×600 205 KB
This seems quite contraintuitive to me, or am I misinterpreting something here?