[zimpenfish]

> Imagine for example that the camera in a certain locale had some debris on it, but it's a unique shape and location on the lens.

I believe Facebook patented a method for using lens imperfections (dust, scratches, etc.) - see https://news.ycombinator.com/item?id=18835377

[cma]

The patent office is going to change it so if a generic neural network put to a task learns the same technique as a human patent, the patent fails the ordinarily skilled in the art test.