this sort of non solve all of these different models and try to be as insensitive as possible and unbiased as possible so here's for example in example when I have a flare image with a brain tumor so you see the core of the tumor in red and the edema in yellow then if I use the same network but I switch here cross-entropy for i/o you as a sort of a loss function I get very different behavior and for example this this intersection over Union effectively forces you to make a very hard segmentation and that gives you overly