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Tim, I'm no expert on AI, so my understanding may be wrong, but as far as I understand AI and machine learning are similar but different. Machine learning is a subset of AI. An AI system mimics how a human makes decisions, it is a set of alorithms that have been trained through machine learning to undertake a particular task. For example the facial recognition system in the latest generation of cameras are AI systems that has been trained through machine learning in the Sony labs. They used thousands and millions of images to train the AI system to recognise human faces, bird faces, dog faces, etc and distinguish between them. When the lab based AI system achieves a high degree of accuracy, they graduate from the learning process and make their way into the AI system in your camera. The facial recognition AI system in your camera is not learning, it has learnt to identify faces of particular species to a given level of accuracy. When the next SONY firmware update comes along, they may have improved the accuracy of the faciial recognistion AI or expanded the AI system to also recognise trains and planes.What about in-camera processing? Is that AI? Every time your camera spits out an image in jpeg or heif, it was processed by an electronic device making decisions.
I once had a guy who taught photography tell me that if you aren't shooting in M, you're in Auto. P, S, A, choose one. He set that forth as someone should be ashamed of their self for using auto anything. This guy was still stuck on an old second generation DSLR (talk about a luddite) and he failed to recognize that if you're using an in-camera meter, processing, exposure comp, or almost any of the others features, you're in some degree of auto regardless of what the mode dial says. Truthfully, I don't know if he failed to understand or purposely chose not to.
However, none of this nor the vast majority of this discussion is AI. They are programmed functions. They do not learn nor improve. They are subject to the user's input and settings. I take exception to (almost) none of it.
True AI is a different story. Don't take my word for it, look up Stephen Hawking's opinion.