> Privacy preservation: an outside observer cannot determine whether any pair of reference images were taken by the same device. Image contents are not exposed

> Privacy preservation: an outside observer cannot determine whether any pair of reference images were taken by the same device. Image contents are not exposed to Apple or anyone else. I am curious if the PCC processing makes it resilient to the method from a couple years ago of fingerprinting the microdistortions in an individual phone lens to tell when two photos were taken by the same phone.