Oddly, one's bone structure likely possesses more intrinsic privacy protections despite being, arguably, less personally identifiable than one's face.
Of course, this is also why training data is more difficult to acquire, as you mention.
Of course, this is also why training data is more difficult to acquire, as you mention.
Privacy is hard to talk and reason about without defining everything specifically.
This projects images were sourced from Flickr. You can find medical imagery on Flickr reasonably easy as well it turns out.