I have an introduction to artificial intelligence, and now have a small project, wash clean with AI whether equipment, has the following practice, which is correct? Or are not correct

1. Use after cleaning and qualified image training model, qualified feature extracting, every time judgment, AI model whether images are all qualified

2. Use after cleaning the unqualified and qualified pictures after cleaning training model, extract the characteristics of the unqualified, every time judgment, AI model whether images are unqualified