Originally Posted by Mr. X
What do the art history brush and history brush do exactly?
history brush isd like a time machine tool. lets say you want to smooth out someones skin in a pic. you can set the brush history to that state in the history menu, then gaussian blur the whole pic. then use to histbrush to unblurr the parts that shouls have crisp deatail like the eyes lips etc etc.
but there are infinite applications. its really for when you want to fine tune any adjustments or filters you have applied to an image.
i did this to a piece i made for a chic. i put her face on a pic of bettie page then gave it a glamor look by using the technique i just explained.