While de-graining used to mean a loss of high frequency information, this hasn’t been true since John Lowry arrived on the scene.
One can de-grain, lose no information, and then add noise back to an image, if desired.
Back when we were testing The Godfather(s) at half a dozen post houses, I...
One gets into some interesting turf, if & when a filmmaker chooses to modify their work - if that’s what has occurred here.
Does a filmmaker have the aesthetic right to modify their work?
Yes.
Does the audience have to like, or approve of such modification?
No.
I’m generally for...
Why would there be a need, or desire, to reduce grain toward 3D exhibition. Problem is that there isn’t 4k information in the image.
That said, this master would probably be a superb basis for a DVD, or lower rez streaming.