I’d like to learn just what they are doing or attempting to do, on a technical level. I’ve been a video hobbyist for many years, and everything credible that I’ve ever heard on this subject states that you cannot add (actual) resolution that was never previously there. Not to photos, not to video. There are some tricks that “upscaling” DVD or BR decks have employed, which impart some (subjective) suggestion or illusion that this is occurring, but not really . . . .