into into the equation if you use a machine learning so you know if we try to for example use a CNN because in some sense we we're trying to formulate this as a Dean problems with taking as an input one image and we're trying to produce a denounced image then we effectively have two different terms first which we're going to use effectively tries to make our denies image which our CNN estimates close to two the image we have but at the second time we also need to make sure that the image which we reconstruct