Artists Want to Prove Their Work Was Stolen by AI. A New Study Says That’s Impossible

gizmodo.com: One way to figure out how something works is to take it apart one piece at a time, and see how it changes along the way. That was the approach taken by two AI researchers who wanted to understand how image-generating AI models arrive at their final outputs: Do they reference a particular image, the way a human portrait artist might look at a human subject while painting? Or is there some other process at play?