this the next level up and doing some more complete models of faces so let me make sure that this visualization makes sense right um when I have this little square here shown here what this little red tag what does little square means is that I have learned a neuron in the first level that is looking for a vertical edge like that one okay going one level up and and and I've shown all these rectangles the same size but higher up features are actually looking at bigger regions of the image okay it's just a resize all of the same but one