birds and so on if we look at some of the problems that arise with this sampling procedure we can see some of the amusing things that convolutional networks get wrong one thing in particular is that I think probably due to the way that pooling works in the convolutional network the network is usually testing whether some feature is absent or present but not testing how many times it occurs so we tend to get multiple heads in one image or animals that have more than one face on the same head we also often get problems where