going to explain in this case for this kind of image based for image based reinforcement learning but just for image based neural networks how can we come up with a contrastive loss so you see there's kind of a two pipeline thing going on here there is like this and this and then one of them is going to be the good encoding all right so let's check it out let's say we have this image that we had before right draw it again this little spaceship this and this and so right and we want to we want to do this what we