random cropped here and then you put some Gaussian blur on it and so on so a little bit of us as you can see random crop color distortion Gaussian blur so what you want is two different versions of the same image each of these versions has been augmented in a different way cropped in a different way blurred in a different way such it's it's two slightly different versions of the same image and now you want to enforce you want to put this through your network so ultimately as you can see on the right side here what you want