People's 'self-perceptions' are often very different from the way other people perceive them.
People's 'perceptions of' this town have changed radically.
the public/public's 'perception of' nuclear power
(..) Yes, It's a very wickedly bad idea. For the greater good of man. But I'm saying this is a kind of bad, bad. Okay, you might think it's good in your bad perception. But from a good perception, it is just plain bad. Oh, you don't know what's good for bad. Now we have just one shot at this. (..)2010 Megamind