Actually what is being worked on is to signal to the encoder that the picture grain is intentional and that is should not be removed in the pre-processing filter. To carry the information in-band for the decoder to actually retain the "film grain" that was intended as part of the artistic work involved in the picture.Hmm! Thanks but no thanks!
Even the film manufactures are trying to do away with this and slowly doing a rather good job of it too. I suppose you still like vinyl disks too?
Do you even watch movies in a theater? Do you even listen to music from the analog era? It is not about preserving superficial flaws like dust and scratches, but retaining the original texture of the recording as the director/producer intended. Even a simulation of it is perceptually more pleasing than blocky artifacts and/or smeary post-processing. Film grain is not going anywhere; watch any of the HD trailers on Apple's site to see that. Even movies shot in digital have grain added to make them appear more cinematic.Considering Vinyl audio disks are now more than 20 years since there production they are historic so we should keep the scratches an a part of the historic remembrance of a by gone era??? This is just to weird for me to consider! While there may be some who actually want this, I am not one of them! Next someone will be saying, (as interlaced video disappears) that we should not provide deinerlace filters because it takes away from the nostalgia of a by gone era.
I'm not really sure what world your living in?? If the film manufactures were not constantly improving the quality of their product they would have lost all of their clients who presently do most of the post processing digitally and the end product is put back on a film chain. It's easy to see poor film in the newer resolutions. Even with all this in place many of the productions you watch now are being shot digitally and have never seen film until the mastering process.I'd rather have film grain than pixellation any day, unless you can give me a way to use a ccd the size of a large screen tv so that I can record something with quality enough so you can't see pixels or processing on a big movie theatre screen.
That said, adding fake film grain to a digital image is silly. You cannot make it look as it originally did because pixels are square. Sure, it would be nice to have as a teaching tool, but the film grain is most likely there in what you are watching, you would just have to have a much much much higher resolution digital version in order to see it.
I'm not sure what world your living in either or what you are watching. If it weren't for the newer HD resolutions film manufactures would have no need to continue to improve their emulsions. Some years ago TI created DLP projectors for Digital Theater and demonstrations of this technology swept Hollywood, Film lost. We would have Digital Theater if it weren't for the cost. However there are some (65 or 70 last count I heard) theaters world wide. But most of the production houses do use this technology and there is no film involved. Today we have cameras that shoot the scenes digitally and more and more productions are being done this way as it is more cost effective than film and the product or creativity does NOT suffer because of the use of it. In fact it benefits for many reasons like avoiding the Telecene process in which the Telecene artist had to match film batches to keep the color consistent throughout the project. This was (still is) an expensive difficult task which must take place when film is used to guarantee that special effects can be matched and editors can freely edit the product. Part of the Teleciene process is keeping the film clean. This means Low noise with the least amount of film grain possible. One of the first things a cinematographer does at the beginning of a new project is call the post house and asks about the latest advances in film stock. This is of coarse dependent on if the producer has chosen to shoot the project is using film, as this is becoming more rare as the cameras continue to improve each year.So what are we supposed to do, run all of our film through noise reduction algorithms so that everything looks like a smeary, digitally perfect mess? You seem to be quite the contrarian about what would be an optional, user-selectable feature that would be more useful than the "psychedelic" filter. The point is merely that noise is a viable and simple post processing option and one that ffDshow has already had for a long time now.
I didn't intend this to turn into some useless debate on vinyl versus CDs.
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