It's advanced editing. I would have cloned out the dirt spots on the pedals.
Edit: Well don't I look dumb. I didn't even read your title the first time around in voting. Obviously those spots are "imperfections." I don't really like the flower in the upper right as it doesn't seem to match the other three flowers. Cloning it out could lead to a DQ though. Your main flower is very detailed and sharp and you can really see the texture in the pedals which it great. Having said that, I still might have cloned out the large brown spot on the left :) 7 |