blur out

To distort an image of a person or thing in order to make it difficult or impossible to distinguish. A noun or pronoun can be used between "blur" and "out." My job was blurring out nudity from R-rated movies that we would play on our TV network. Newspapers were required to blur the boy out in pictures to protect his identity. I get why the news blurred out the video of the murder, but, at the same time, I can't help but wonder if a horrifyingly graphic video would inspire change in the community.

blur the line(s) (between people or things)

To obfuscate or minimize the distinction or division between two or more different people, things, actions, etc. The hit new television show blurs the line between scripted drama and reality TV. As the film progresses, we see that the main character's unsavory actions blur the lines between those of a hero and a villain. Video game consoles have been becoming more like specialized gaming PCs in recent years, and the latest machine from Spikerosoft further blurs the line.