Hinton doesn't like that pooling loses track of the exact locations where features are located, and just tests if a feature occurs in some area. The basic effe

Hinton doesn't like that pooling loses track of the exact locations where features are located, and just tests if a feature occurs in some area. The basic effect of this is to decrease the resolution, so it's more tractable to operate on. Without pooling you are stuck with a huge resolution at each layer.