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Re: Recommendations for 8mm film conversion/capture




On 29-aug-05, at 21:07, Gianni Maselli wrote:

If I were you I'd make it perfect adding a two modes frame rate converter
which blends frames or uses morphing in between, optionally capable to
detect any duplicates first (for 8mm, 16mm, or even those 1930s cameras with
manual film transport).

That would make three modes (blend, telecine,morph). Option to detect duplicates is a good suggestion.

A motion compensation based de-interlacer and state
of the art intepolation algorithm to choose.

I only detect stationary parts. After all zero motion is very common.
IMO you would need very accurate motion vectors to improve interpolation or noise reduction. Much more accurate than for compression or frame rate conversion.
Do you have any references for state of the art interpolation?


Also I'd discovered a very
interesting rezzing system called NEDI it would be nice to add:
http://neuron2.net/library/nedi.pdf

Making my own upscaler is a nice challenge indeed. This article quotes a lot of papers about edge-aware scaling so there must be some sense in that.


ah...
and what about a motion compensated, conditional spatio-temporal wavelet
denoiser?

I'll leave out a few buzz words for now and just do spatio-temporal denoising. Spatial only my way is already slow so this will be glacial.


Quite a wishlist, Gianni! Most of these options would be very slow. Like Compressor 2, so to speak.

Jan.

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