How to Train an AI to Learn Unknown Objects

It all comes down to initial setup. What problem do you want to solve? Are you really concerned about what color of the car is? This is the door open from which side are you seeing? If you set that problem, then the whole labeling and instructions and the models you want to build and that training of that models will be a completely different setup. It requires so much different process and algorithms and the data you need to collect and how you collect it. And if you simply want to find where's the car, then of course it's a simpler project, but the setup is also very, very different.