No, to give you an example, it needed 51% gaussian noise over this image to prevent it from seeing it's watermark. Changing the proportions or compressing it will not do anything. This is what 51% gaussian noise looks like: https://gov.f9.is/r2s8UB7a - here is 49% where it can still detect it: https://gov.f9.is/FQi3AL2I